truffle: src/share/vm/opto/escape.cpp annotate

annotate src/share/vm/opto/escape.cpp @ 20804:7848fc12602b

Merge with jdk8u40-b25

author	Gilles Duboscq <gilles.m.duboscq@oracle.com>
date	Tue, 07 Apr 2015 14:58:49 +0200
parents	52b4284cb496 f913964f3fde
children

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
20313 b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	2 * Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1539 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1539 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1539 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	26 #include "ci/bcEscapeAnalyzer.hpp"
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	27 #include "compiler/compileLog.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	28 #include "libadt/vectset.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	29 #include "memory/allocation.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	30 #include "opto/c2compiler.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	31 #include "opto/callnode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	32 #include "opto/cfgnode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	33 #include "opto/compile.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	34 #include "opto/escape.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	35 #include "opto/phaseX.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1921 diff changeset	36 #include "opto/rootnode.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	37
1634 60a14ad85270 6966411: escape.cpp:450 assert(base->Opcode() == Op_ConP kvn parents: 1552 diff changeset	38 ConnectionGraph::ConnectionGraph(Compile * C, PhaseIterGVN *igvn) :
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	39 _nodes(C->comp_arena(), C->unique(), C->unique(), NULL),
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	40 _in_worklist(C->comp_arena()),
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	41 _next_pidx(0),
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	42 _collecting(true),
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	43 _verify(false),
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	44 _compile(C),
1634 60a14ad85270 6966411: escape.cpp:450 assert(base->Opcode() == Op_ConP kvn parents: 1552 diff changeset	45 _igvn(igvn),
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	46 _node_map(C->comp_arena()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	47 // Add unknown java object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	48 add_java_object(C->top(), PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	49 phantom_obj = ptnode_adr(C->top()->_idx)->as_JavaObject();
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	50 // Add ConP(#NULL) and ConN(#NULL) nodes.
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	51 Node* oop_null = igvn->zerocon(T_OBJECT);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	52 assert(oop_null->_idx < nodes_size(), "should be created already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	53 add_java_object(oop_null, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	54 null_obj = ptnode_adr(oop_null->_idx)->as_JavaObject();
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	55 if (UseCompressedOops) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	56 Node* noop_null = igvn->zerocon(T_NARROWOOP);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	57 assert(noop_null->_idx < nodes_size(), "should be created already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	58 map_ideal_node(noop_null, null_obj);
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	59 }
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	60 _pcmp_neq = NULL; // Should be initialized
8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	61 _pcmp_eq = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	62 }
a61af66fc99e Initial load duke parents: diff changeset	63
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	64 bool ConnectionGraph::has_candidates(Compile *C) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	65 // EA brings benefits only when the code has allocations and/or locks which
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	66 // are represented by ideal Macro nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	67 int cnt = C->macro_count();
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	68 for (int i = 0; i < cnt; i++) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	69 Node *n = C->macro_node(i);
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	70 if (n->is_Allocate())
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	71 return true;
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	72 if (n->is_Lock()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	73 Node* obj = n->as_Lock()->obj_node()->uncast();
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	74 if (!(obj->is_Parm() \|\| obj->is_Con()))
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	75 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	76 }
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	77 if (n->is_CallStaticJava() &&
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	78 n->as_CallStaticJava()->is_boxing_method()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	79 return true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	80 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	81 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	82 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	83 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	84
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	85 void ConnectionGraph::do_analysis(Compile C, PhaseIterGVN igvn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	86 Compile::TracePhase t2("escapeAnalysis", &Phase::_t_escapeAnalysis, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	87 ResourceMark rm;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	88
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	89 // Add ConP#NULL and ConN#NULL nodes before ConnectionGraph construction
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	90 // to create space for them in ConnectionGraph::_nodes[].
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	91 Node* oop_null = igvn->zerocon(T_OBJECT);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	92 Node* noop_null = igvn->zerocon(T_NARROWOOP);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	93 ConnectionGraph* congraph = new(C->comp_arena()) ConnectionGraph(C, igvn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	94 // Perform escape analysis
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	95 if (congraph->compute_escape()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	96 // There are non escaping objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	97 C->set_congraph(congraph);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	98 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	99 // Cleanup.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	100 if (oop_null->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	101 igvn->hash_delete(oop_null);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	102 if (noop_null->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	103 igvn->hash_delete(noop_null);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	104 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	105
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	106 bool ConnectionGraph::compute_escape() {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	107 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	108 PhaseGVN* igvn = _igvn;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	109
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	110 // Worklists used by EA.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	111 Unique_Node_List delayed_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	112 GrowableArray<Node*> alloc_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	113 GrowableArray<Node*> ptr_cmp_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	114 GrowableArray<Node*> storestore_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	115 GrowableArray<PointsToNode*> ptnodes_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	116 GrowableArray<JavaObjectNode*> java_objects_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	117 GrowableArray<JavaObjectNode*> non_escaped_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	118 GrowableArray<FieldNode*> oop_fields_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	119 DEBUG_ONLY( GrowableArray<Node*> addp_worklist; )
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	120
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	121 { Compile::TracePhase t3("connectionGraph", &Phase::_t_connectionGraph, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	122
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	123 // 1. Populate Connection Graph (CG) with PointsTo nodes.
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	124 ideal_nodes.map(C->live_nodes(), NULL); // preallocate space
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	125 // Initialize worklist
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	126 if (C->root() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	127 ideal_nodes.push(C->root());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	128 }
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	129 // Processed ideal nodes are unique on ideal_nodes list
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	130 // but several ideal nodes are mapped to the phantom_obj.
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	131 // To avoid duplicated entries on the following worklists
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	132 // add the phantom_obj only once to them.
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	133 ptnodes_worklist.append(phantom_obj);
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	134 java_objects_worklist.append(phantom_obj);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	135 for( uint next = 0; next < ideal_nodes.size(); ++next ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	136 Node* n = ideal_nodes.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	137 // Create PointsTo nodes and add them to Connection Graph. Called
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	138 // only once per ideal node since ideal_nodes is Unique_Node list.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	139 add_node_to_connection_graph(n, &delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	140 PointsToNode* ptn = ptnode_adr(n->_idx);
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	141 if (ptn != NULL && ptn != phantom_obj) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	142 ptnodes_worklist.append(ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	143 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	144 java_objects_worklist.append(ptn->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	145 if ((n->is_Allocate() \|\| n->is_CallStaticJava()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	146 (ptn->escape_state() < PointsToNode::GlobalEscape)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	147 // Only allocations and java static calls results are interesting.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	148 non_escaped_worklist.append(ptn->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	149 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	150 } else if (ptn->is_Field() && ptn->as_Field()->is_oop()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	151 oop_fields_worklist.append(ptn->as_Field());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	152 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	153 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	154 if (n->is_MergeMem()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	155 // Collect all MergeMem nodes to add memory slices for
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	156 // scalar replaceable objects in split_unique_types().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	157 _mergemem_worklist.append(n->as_MergeMem());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	158 } else if (OptimizePtrCompare && n->is_Cmp() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	159 (n->Opcode() == Op_CmpP \|\| n->Opcode() == Op_CmpN)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	160 // Collect compare pointers nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	161 ptr_cmp_worklist.append(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	162 } else if (n->is_MemBarStoreStore()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	163 // Collect all MemBarStoreStore nodes so that depending on the
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	164 // escape status of the associated Allocate node some of them
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	165 // may be eliminated.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	166 storestore_worklist.append(n);
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	167 } else if (n->is_MemBar() && (n->Opcode() == Op_MemBarRelease) &&
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	168 (n->req() > MemBarNode::Precedent)) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	169 record_for_optimizer(n);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	170 #ifdef ASSERT
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	171 } else if (n->is_AddP()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	172 // Collect address nodes for graph verification.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	173 addp_worklist.append(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	174 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	175 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	176 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	177 Node* m = n->fast_out(i); // Get user
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	178 ideal_nodes.push(m);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	179 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	180 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	181 if (non_escaped_worklist.length() == 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	182 _collecting = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	183 return false; // Nothing to do.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	184 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	185 // Add final simple edges to graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	186 while(delayed_worklist.size() > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	187 Node* n = delayed_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	188 add_final_edges(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	189 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	190 int ptnodes_length = ptnodes_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	191
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	192 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	193 if (VerifyConnectionGraph) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	194 // Verify that no new simple edges could be created and all
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	195 // local vars has edges.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	196 _verify = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	197 for (int next = 0; next < ptnodes_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	198 PointsToNode* ptn = ptnodes_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	199 add_final_edges(ptn->ideal_node());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	200 if (ptn->is_LocalVar() && ptn->edge_count() == 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	201 ptn->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	202 assert(ptn->as_LocalVar()->edge_count() > 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	203 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	204 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	205 _verify = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	206 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	207 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	208
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	209 // 2. Finish Graph construction by propagating references to all
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	210 // java objects through graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	211 if (!complete_connection_graph(ptnodes_worklist, non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	212 java_objects_worklist, oop_fields_worklist)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	213 // All objects escaped or hit time or iterations limits.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	214 _collecting = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	215 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	216 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	217
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	218 // 3. Adjust scalar_replaceable state of nonescaping objects and push
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	219 // scalar replaceable allocations on alloc_worklist for processing
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	220 // in split_unique_types().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	221 int non_escaped_length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	222 for (int next = 0; next < non_escaped_length; next++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	223 JavaObjectNode* ptn = non_escaped_worklist.at(next);
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	224 bool noescape = (ptn->escape_state() == PointsToNode::NoEscape);
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	225 Node* n = ptn->ideal_node();
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	226 if (n->is_Allocate()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	227 n->as_Allocate()->_is_non_escaping = noescape;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	228 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	229 if (n->is_CallStaticJava()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	230 n->as_CallStaticJava()->_is_non_escaping = noescape;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	231 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	232 if (noescape && ptn->scalar_replaceable()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	233 adjust_scalar_replaceable_state(ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	234 if (ptn->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	235 alloc_worklist.append(ptn->ideal_node());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	236 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	237 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	238 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	239
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	240 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	241 if (VerifyConnectionGraph) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	242 // Verify that graph is complete - no new edges could be added or needed.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	243 verify_connection_graph(ptnodes_worklist, non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	244 java_objects_worklist, addp_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	245 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	246 assert(C->unique() == nodes_size(), "no new ideal nodes should be added during ConnectionGraph build");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	247 assert(null_obj->escape_state() == PointsToNode::NoEscape &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	248 null_obj->edge_count() == 0 &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	249 !null_obj->arraycopy_src() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	250 !null_obj->arraycopy_dst(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	251 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	252
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	253 _collecting = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	254
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	255 } // TracePhase t3("connectionGraph")
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	256
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	257 // 4. Optimize ideal graph based on EA information.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	258 bool has_non_escaping_obj = (non_escaped_worklist.length() > 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	259 if (has_non_escaping_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	260 optimize_ideal_graph(ptr_cmp_worklist, storestore_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	261 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	262
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	263 #ifndef PRODUCT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	264 if (PrintEscapeAnalysis) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	265 dump(ptnodes_worklist); // Dump ConnectionGraph
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	266 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	267 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	268
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	269 bool has_scalar_replaceable_candidates = (alloc_worklist.length() > 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	270 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	271 if (VerifyConnectionGraph) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	272 int alloc_length = alloc_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	273 for (int next = 0; next < alloc_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	274 Node* n = alloc_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	275 PointsToNode* ptn = ptnode_adr(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	276 assert(ptn->escape_state() == PointsToNode::NoEscape && ptn->scalar_replaceable(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	277 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	278 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	279 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	280
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	281 // 5. Separate memory graph for scalar replaceable allcations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	282 if (has_scalar_replaceable_candidates &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	283 C->AliasLevel() >= 3 && EliminateAllocations) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	284 // Now use the escape information to create unique types for
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	285 // scalar replaceable objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	286 split_unique_types(alloc_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	287 if (C->failing()) return false;
10405 f2110083203d 8005849: JEP 167: Event-Based JVM Tracing sla parents: 10391 diff changeset	288 C->print_method(PHASE_AFTER_EA, 2);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	289
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	290 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	291 } else if (Verbose && (PrintEscapeAnalysis \|\| PrintEliminateAllocations)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	292 tty->print("=== No allocations eliminated for ");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	293 C->method()->print_short_name();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	294 if(!EliminateAllocations) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	295 tty->print(" since EliminateAllocations is off ===");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	296 } else if(!has_scalar_replaceable_candidates) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	297 tty->print(" since there are no scalar replaceable candidates ===");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	298 } else if(C->AliasLevel() < 3) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	299 tty->print(" since AliasLevel < 3 ===");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	300 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	301 tty->cr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	302 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	303 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	304 return has_non_escaping_obj;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	305 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	306
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	307 // Utility function for nodes that load an object
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	308 void ConnectionGraph::add_objload_to_connection_graph(Node n, Unique_Node_List delayed_worklist) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	309 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	310 // ThreadLocal has RawPtr type.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	311 const Type* t = _igvn->type(n);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	312 if (t->make_ptr() != NULL) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	313 Node* adr = n->in(MemNode::Address);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	314 #ifdef ASSERT
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	315 if (!adr->is_AddP()) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	316 assert(_igvn->type(adr)->isa_rawptr(), "sanity");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	317 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	318 assert((ptnode_adr(adr->_idx) == NULL \|\|
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	319 ptnode_adr(adr->_idx)->as_Field()->is_oop()), "sanity");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	320 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	321 #endif
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	322 add_local_var_and_edge(n, PointsToNode::NoEscape,
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	323 adr, delayed_worklist);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	324 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	325 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	326
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	327 // Populate Connection Graph with PointsTo nodes and create simple
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	328 // connection graph edges.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	329 void ConnectionGraph::add_node_to_connection_graph(Node n, Unique_Node_List delayed_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	330 assert(!_verify, "this method sould not be called for verification");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	331 PhaseGVN* igvn = _igvn;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	332 uint n_idx = n->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	333 PointsToNode* n_ptn = ptnode_adr(n_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	334 if (n_ptn != NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	335 return; // No need to redefine PointsTo node during first iteration.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	336
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	337 if (n->is_Call()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	338 // Arguments to allocation and locking don't escape.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	339 if (n->is_AbstractLock()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	340 // Put Lock and Unlock nodes on IGVN worklist to process them during
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	341 // first IGVN optimization when escape information is still available.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	342 record_for_optimizer(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	343 } else if (n->is_Allocate()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	344 add_call_node(n->as_Call());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	345 record_for_optimizer(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	346 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	347 if (n->is_CallStaticJava()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	348 const char* name = n->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	349 if (name != NULL && strcmp(name, "uncommon_trap") == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	350 return; // Skip uncommon traps
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	351 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	352 // Don't mark as processed since call's arguments have to be processed.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	353 delayed_worklist->push(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	354 // Check if a call returns an object.
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	355 if ((n->as_Call()->returns_pointer() &&
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	356 n->as_Call()->proj_out(TypeFunc::Parms) != NULL) \|\|
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	357 (n->is_CallStaticJava() &&
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	358 n->as_CallStaticJava()->is_boxing_method())) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	359 add_call_node(n->as_Call());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	360 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	361 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	362 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	363 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	364 // Put this check here to process call arguments since some call nodes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	365 // point to phantom_obj.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	366 if (n_ptn == phantom_obj \|\| n_ptn == null_obj)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	367 return; // Skip predefined nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	368
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	369 int opcode = n->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	370 switch (opcode) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	371 case Op_AddP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	372 Node* base = get_addp_base(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	373 PointsToNode* ptn_base = ptnode_adr(base->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	374 // Field nodes are created for all field types. They are used in
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	375 // adjust_scalar_replaceable_state() and split_unique_types().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	376 // Note, non-oop fields will have only base edges in Connection
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	377 // Graph because such fields are not used for oop loads and stores.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	378 int offset = address_offset(n, igvn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	379 add_field(n, PointsToNode::NoEscape, offset);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	380 if (ptn_base == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	381 delayed_worklist->push(n); // Process it later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	382 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	383 n_ptn = ptnode_adr(n_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	384 add_base(n_ptn->as_Field(), ptn_base);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	385 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	386 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	387 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	388 case Op_CastX2P: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	389 map_ideal_node(n, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	390 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	391 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	392 case Op_CastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	393 case Op_CheckCastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	394 case Op_EncodeP:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	395 case Op_DecodeN:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	396 case Op_EncodePKlass:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	397 case Op_DecodeNKlass: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	398 add_local_var_and_edge(n, PointsToNode::NoEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	399 n->in(1), delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	400 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	401 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	402 case Op_CMoveP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	403 add_local_var(n, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	404 // Do not add edges during first iteration because some could be
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	405 // not defined yet.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	406 delayed_worklist->push(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	407 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	408 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	409 case Op_ConP:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	410 case Op_ConN:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	411 case Op_ConNKlass: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	412 // assume all oop constants globally escape except for null
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	413 PointsToNode::EscapeState es;
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	414 const Type* t = igvn->type(n);
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	415 if (t == TypePtr::NULL_PTR \|\| t == TypeNarrowOop::NULL_PTR) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	416 es = PointsToNode::NoEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	417 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	418 es = PointsToNode::GlobalEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	419 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	420 add_java_object(n, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	421 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	422 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	423 case Op_CreateEx: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	424 // assume that all exception objects globally escape
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	425 map_ideal_node(n, phantom_obj);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	426 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	427 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	428 case Op_LoadKlass:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	429 case Op_LoadNKlass: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	430 // Unknown class is loaded
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	431 map_ideal_node(n, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	432 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	433 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	434 case Op_LoadP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	435 case Op_LoadN:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	436 case Op_LoadPLocked: {
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	437 add_objload_to_connection_graph(n, delayed_worklist);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	438 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	439 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	440 case Op_Parm: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	441 map_ideal_node(n, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	442 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	443 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	444 case Op_PartialSubtypeCheck: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	445 // Produces Null or notNull and is used in only in CmpP so
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	446 // phantom_obj could be used.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	447 map_ideal_node(n, phantom_obj); // Result is unknown
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	448 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	449 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	450 case Op_Phi: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	451 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	452 // ThreadLocal has RawPtr type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	453 const Type* t = n->as_Phi()->type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	454 if (t->make_ptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	455 add_local_var(n, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	456 // Do not add edges during first iteration because some could be
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	457 // not defined yet.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	458 delayed_worklist->push(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	459 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	460 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	461 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	462 case Op_Proj: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	463 // we are only interested in the oop result projection from a call
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	464 if (n->as_Proj()->_con == TypeFunc::Parms && n->in(0)->is_Call() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	465 n->in(0)->as_Call()->returns_pointer()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	466 add_local_var_and_edge(n, PointsToNode::NoEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	467 n->in(0), delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	468 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	469 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	470 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	471 case Op_Rethrow: // Exception object escapes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	472 case Op_Return: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	473 if (n->req() > TypeFunc::Parms &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	474 igvn->type(n->in(TypeFunc::Parms))->isa_oopptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	475 // Treat Return value as LocalVar with GlobalEscape escape state.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	476 add_local_var_and_edge(n, PointsToNode::GlobalEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	477 n->in(TypeFunc::Parms), delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	478 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	479 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	480 }
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	481 case Op_GetAndSetP:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	482 case Op_GetAndSetN: {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	483 add_objload_to_connection_graph(n, delayed_worklist);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	484 // fallthrough
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	485 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	486 case Op_StoreP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	487 case Op_StoreN:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	488 case Op_StoreNKlass:
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	489 case Op_StorePConditional:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	490 case Op_CompareAndSwapP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	491 case Op_CompareAndSwapN: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	492 Node* adr = n->in(MemNode::Address);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	493 const Type *adr_type = igvn->type(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	494 adr_type = adr_type->make_ptr();
10279 70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	495 if (adr_type == NULL) {
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	496 break; // skip dead nodes
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	497 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	498 if (adr_type->isa_oopptr() \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	499 (opcode == Op_StoreP \|\| opcode == Op_StoreN \|\| opcode == Op_StoreNKlass) &&
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	500 (adr_type == TypeRawPtr::NOTNULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	501 adr->in(AddPNode::Address)->is_Proj() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	502 adr->in(AddPNode::Address)->in(0)->is_Allocate())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	503 delayed_worklist->push(n); // Process it later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	504 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	505 assert(adr->is_AddP(), "expecting an AddP");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	506 if (adr_type == TypeRawPtr::NOTNULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	507 // Verify a raw address for a store captured by Initialize node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	508 int offs = (int)igvn->find_intptr_t_con(adr->in(AddPNode::Offset), Type::OffsetBot);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	509 assert(offs != Type::OffsetBot, "offset must be a constant");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	510 }
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	511 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	512 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	513 // Ignore copy the displaced header to the BoxNode (OSR compilation).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	514 if (adr->is_BoxLock())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	515 break;
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	516 // Stored value escapes in unsafe access.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	517 if ((opcode == Op_StoreP) && (adr_type == TypeRawPtr::BOTTOM)) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	518 // Pointer stores in G1 barriers looks like unsafe access.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	519 // Ignore such stores to be able scalar replace non-escaping
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	520 // allocations.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	521 if (UseG1GC && adr->is_AddP()) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	522 Node* base = get_addp_base(adr);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	523 if (base->Opcode() == Op_LoadP &&
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	524 base->in(MemNode::Address)->is_AddP()) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	525 adr = base->in(MemNode::Address);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	526 Node* tls = get_addp_base(adr);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	527 if (tls->Opcode() == Op_ThreadLocal) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	528 int offs = (int)igvn->find_intptr_t_con(adr->in(AddPNode::Offset), Type::OffsetBot);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	529 if (offs == in_bytes(JavaThread::satb_mark_queue_offset() +
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	530 PtrQueue::byte_offset_of_buf())) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	531 break; // G1 pre barier previous oop value store.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	532 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	533 if (offs == in_bytes(JavaThread::dirty_card_queue_offset() +
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	534 PtrQueue::byte_offset_of_buf())) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	535 break; // G1 post barier card address store.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	536 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	537 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	538 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	539 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	540 delayed_worklist->push(n); // Process unsafe access later.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	541 break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	542 }
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	543 #ifdef ASSERT
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	544 n->dump(1);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	545 assert(false, "not unsafe or G1 barrier raw StoreP");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	546 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	547 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	548 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	549 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	550 case Op_AryEq:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	551 case Op_StrComp:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	552 case Op_StrEquals:
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	553 case Op_StrIndexOf:
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	554 case Op_EncodeISOArray: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	555 add_local_var(n, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	556 delayed_worklist->push(n); // Process it later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	557 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	558 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	559 case Op_ThreadLocal: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	560 add_java_object(n, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	561 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	562 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	563 default:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	564 ; // Do nothing for nodes not related to EA.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	565 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	566 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	567 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	568
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	569 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	570 #define ELSE_FAIL(name) \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	571 /* Should not be called for not pointer type. */ \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	572 n->dump(1); \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	573 assert(false, name); \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	574 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	575 #else
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	576 #define ELSE_FAIL(name) \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	577 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	578 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	579
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	580 // Add final simple edges to graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	581 void ConnectionGraph::add_final_edges(Node *n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	582 PointsToNode* n_ptn = ptnode_adr(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	583 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	584 if (_verify && n_ptn->is_JavaObject())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	585 return; // This method does not change graph for JavaObject.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	586 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	587
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	588 if (n->is_Call()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	589 process_call_arguments(n->as_Call());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	590 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	591 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	592 assert(n->is_Store() \|\| n->is_LoadStore() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	593 (n_ptn != NULL) && (n_ptn->ideal_node() != NULL),
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	594 "node should be registered already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	595 int opcode = n->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	596 switch (opcode) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	597 case Op_AddP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	598 Node* base = get_addp_base(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	599 PointsToNode* ptn_base = ptnode_adr(base->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	600 assert(ptn_base != NULL, "field's base should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	601 add_base(n_ptn->as_Field(), ptn_base);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	602 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	603 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	604 case Op_CastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	605 case Op_CheckCastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	606 case Op_EncodeP:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	607 case Op_DecodeN:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	608 case Op_EncodePKlass:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	609 case Op_DecodeNKlass: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	610 add_local_var_and_edge(n, PointsToNode::NoEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	611 n->in(1), NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	612 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	613 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	614 case Op_CMoveP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	615 for (uint i = CMoveNode::IfFalse; i < n->req(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	616 Node* in = n->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	617 if (in == NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	618 continue; // ignore NULL
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	619 Node* uncast_in = in->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	620 if (uncast_in->is_top() \|\| uncast_in == n)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	621 continue; // ignore top or inputs which go back this node
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	622 PointsToNode* ptn = ptnode_adr(in->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	623 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	624 add_edge(n_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	625 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	626 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	627 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	628 case Op_LoadP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	629 case Op_LoadN:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	630 case Op_LoadPLocked: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	631 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	632 // ThreadLocal has RawPtr type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	633 const Type* t = _igvn->type(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	634 if (t->make_ptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	635 Node* adr = n->in(MemNode::Address);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	636 add_local_var_and_edge(n, PointsToNode::NoEscape, adr, NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	637 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	638 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	639 ELSE_FAIL("Op_LoadP");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	640 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	641 case Op_Phi: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	642 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	643 // ThreadLocal has RawPtr type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	644 const Type* t = n->as_Phi()->type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	645 if (t->make_ptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	646 for (uint i = 1; i < n->req(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	647 Node* in = n->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	648 if (in == NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	649 continue; // ignore NULL
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	650 Node* uncast_in = in->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	651 if (uncast_in->is_top() \|\| uncast_in == n)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	652 continue; // ignore top or inputs which go back this node
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	653 PointsToNode* ptn = ptnode_adr(in->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	654 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	655 add_edge(n_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	656 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	657 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	658 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	659 ELSE_FAIL("Op_Phi");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	660 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	661 case Op_Proj: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	662 // we are only interested in the oop result projection from a call
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	663 if (n->as_Proj()->_con == TypeFunc::Parms && n->in(0)->is_Call() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	664 n->in(0)->as_Call()->returns_pointer()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	665 add_local_var_and_edge(n, PointsToNode::NoEscape, n->in(0), NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	666 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	667 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	668 ELSE_FAIL("Op_Proj");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	669 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	670 case Op_Rethrow: // Exception object escapes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	671 case Op_Return: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	672 if (n->req() > TypeFunc::Parms &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	673 _igvn->type(n->in(TypeFunc::Parms))->isa_oopptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	674 // Treat Return value as LocalVar with GlobalEscape escape state.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	675 add_local_var_and_edge(n, PointsToNode::GlobalEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	676 n->in(TypeFunc::Parms), NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	677 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	678 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	679 ELSE_FAIL("Op_Return");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	680 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	681 case Op_StoreP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	682 case Op_StoreN:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	683 case Op_StoreNKlass:
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	684 case Op_StorePConditional:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	685 case Op_CompareAndSwapP:
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	686 case Op_CompareAndSwapN:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	687 case Op_GetAndSetP:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	688 case Op_GetAndSetN: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	689 Node* adr = n->in(MemNode::Address);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	690 const Type *adr_type = _igvn->type(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	691 adr_type = adr_type->make_ptr();
10279 70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	692 #ifdef ASSERT
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	693 if (adr_type == NULL) {
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	694 n->dump(1);
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	695 assert(adr_type != NULL, "dead node should not be on list");
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	696 break;
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	697 }
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	698 #endif
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	699 if (opcode == Op_GetAndSetP \|\| opcode == Op_GetAndSetN) {
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	700 add_local_var_and_edge(n, PointsToNode::NoEscape, adr, NULL);
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	701 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	702 if (adr_type->isa_oopptr() \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	703 (opcode == Op_StoreP \|\| opcode == Op_StoreN \|\| opcode == Op_StoreNKlass) &&
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	704 (adr_type == TypeRawPtr::NOTNULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	705 adr->in(AddPNode::Address)->is_Proj() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	706 adr->in(AddPNode::Address)->in(0)->is_Allocate())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	707 // Point Address to Value
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	708 PointsToNode* adr_ptn = ptnode_adr(adr->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	709 assert(adr_ptn != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	710 adr_ptn->as_Field()->is_oop(), "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	711 Node *val = n->in(MemNode::ValueIn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	712 PointsToNode* ptn = ptnode_adr(val->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	713 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	714 add_edge(adr_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	715 break;
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	716 } else if ((opcode == Op_StoreP) && (adr_type == TypeRawPtr::BOTTOM)) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	717 // Stored value escapes in unsafe access.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	718 Node *val = n->in(MemNode::ValueIn);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	719 PointsToNode* ptn = ptnode_adr(val->_idx);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	720 assert(ptn != NULL, "node should be registered");
17894 87b5e00100fe 8038048: assert(null_obj->escape_state() == PointsToNode::NoEscape,etc) runThese -full kvn parents: 14202 diff changeset	721 set_escape_state(ptn, PointsToNode::GlobalEscape);
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	722 // Add edge to object for unsafe access with offset.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	723 PointsToNode* adr_ptn = ptnode_adr(adr->_idx);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	724 assert(adr_ptn != NULL, "node should be registered");
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	725 if (adr_ptn->is_Field()) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	726 assert(adr_ptn->as_Field()->is_oop(), "should be oop field");
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	727 add_edge(adr_ptn, ptn);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	728 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	729 break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	730 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	731 ELSE_FAIL("Op_StoreP");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	732 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	733 case Op_AryEq:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	734 case Op_StrComp:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	735 case Op_StrEquals:
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	736 case Op_StrIndexOf:
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	737 case Op_EncodeISOArray: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	738 // char[] arrays passed to string intrinsic do not escape but
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	739 // they are not scalar replaceable. Adjust escape state for them.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	740 // Start from in(2) edge since in(1) is memory edge.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	741 for (uint i = 2; i < n->req(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	742 Node* adr = n->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	743 const Type* at = _igvn->type(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	744 if (!adr->is_top() && at->isa_ptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	745 assert(at == Type::TOP \|\| at == TypePtr::NULL_PTR \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	746 at->isa_ptr() != NULL, "expecting a pointer");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	747 if (adr->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	748 adr = get_addp_base(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	749 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	750 PointsToNode* ptn = ptnode_adr(adr->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	751 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	752 add_edge(n_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	753 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	754 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	755 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	756 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	757 default: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	758 // This method should be called only for EA specific nodes which may
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	759 // miss some edges when they were created.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	760 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	761 n->dump(1);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	762 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	763 guarantee(false, "unknown node");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	764 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	765 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	766 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	767 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	768
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	769 void ConnectionGraph::add_call_node(CallNode* call) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	770 assert(call->returns_pointer(), "only for call which returns pointer");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	771 uint call_idx = call->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	772 if (call->is_Allocate()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	773 Node* k = call->in(AllocateNode::KlassNode);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	774 const TypeKlassPtr* kt = k->bottom_type()->isa_klassptr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	775 assert(kt != NULL, "TypeKlassPtr required.");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	776 ciKlass* cik = kt->klass();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	777 PointsToNode::EscapeState es = PointsToNode::NoEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	778 bool scalar_replaceable = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	779 if (call->is_AllocateArray()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	780 if (!cik->is_array_klass()) { // StressReflectiveCode
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	781 es = PointsToNode::GlobalEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	782 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	783 int length = call->in(AllocateNode::ALength)->find_int_con(-1);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	784 if (length < 0 \|\| length > EliminateAllocationArraySizeLimit) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	785 // Not scalar replaceable if the length is not constant or too big.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	786 scalar_replaceable = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	787 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	788 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	789 } else { // Allocate instance
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	790 if (cik->is_subclass_of(_compile->env()->Thread_klass()) \|\|
12871 6171eb9da4fd 8007923: Tests on references fails twisti parents: 11080 diff changeset	791 cik->is_subclass_of(_compile->env()->Reference_klass()) \|\|
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	792 !cik->is_instance_klass() \|\| // StressReflectiveCode
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	793 cik->as_instance_klass()->has_finalizer()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	794 es = PointsToNode::GlobalEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	795 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	796 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	797 add_java_object(call, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	798 PointsToNode* ptn = ptnode_adr(call_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	799 if (!scalar_replaceable && ptn->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	800 ptn->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	801 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	802 } else if (call->is_CallStaticJava()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	803 // Call nodes could be different types:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	804 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	805 // 1. CallDynamicJavaNode (what happened during call is unknown):
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	806 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	807 // - mapped to GlobalEscape JavaObject node if oop is returned;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	808 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	809 // - all oop arguments are escaping globally;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	810 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	811 // 2. CallStaticJavaNode (execute bytecode analysis if possible):
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	812 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	813 // - the same as CallDynamicJavaNode if can't do bytecode analysis;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	814 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	815 // - mapped to GlobalEscape JavaObject node if unknown oop is returned;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	816 // - mapped to NoEscape JavaObject node if non-escaping object allocated
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	817 // during call is returned;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	818 // - mapped to ArgEscape LocalVar node pointed to object arguments
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	819 // which are returned and does not escape during call;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	820 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	821 // - oop arguments escaping status is defined by bytecode analysis;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	822 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	823 // For a static call, we know exactly what method is being called.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	824 // Use bytecode estimator to record whether the call's return value escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	825 ciMethod* meth = call->as_CallJava()->method();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	826 if (meth == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	827 const char* name = call->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	828 assert(strncmp(name, "_multianewarray", 15) == 0, "TODO: add failed case check");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	829 // Returns a newly allocated unescaped object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	830 add_java_object(call, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	831 ptnode_adr(call_idx)->set_scalar_replaceable(false);
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	832 } else if (meth->is_boxing_method()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	833 // Returns boxing object
10281 1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	834 PointsToNode::EscapeState es;
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	835 vmIntrinsics::ID intr = meth->intrinsic_id();
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	836 if (intr == vmIntrinsics::_floatValue \|\| intr == vmIntrinsics::_doubleValue) {
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	837 // It does not escape if object is always allocated.
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	838 es = PointsToNode::NoEscape;
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	839 } else {
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	840 // It escapes globally if object could be loaded from cache.
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	841 es = PointsToNode::GlobalEscape;
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	842 }
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10279 diff changeset	843 add_java_object(call, es);
4122 cc81b9c09bbb 7112478: after 7105605 JRuby bench_define_method_methods.rb fails with NPE kvn parents: 4115 diff changeset	844 } else {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	845 BCEscapeAnalyzer* call_analyzer = meth->get_bcea();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	846 call_analyzer->copy_dependencies(_compile->dependencies());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	847 if (call_analyzer->is_return_allocated()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	848 // Returns a newly allocated unescaped object, simply
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	849 // update dependency information.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	850 // Mark it as NoEscape so that objects referenced by
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	851 // it's fields will be marked as NoEscape at least.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	852 add_java_object(call, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	853 ptnode_adr(call_idx)->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	854 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	855 // Determine whether any arguments are returned.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	856 const TypeTuple* d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	857 bool ret_arg = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	858 for (uint i = TypeFunc::Parms; i < d->cnt(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	859 if (d->field_at(i)->isa_ptr() != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	860 call_analyzer->is_arg_returned(i - TypeFunc::Parms)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	861 ret_arg = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	862 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	863 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	864 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	865 if (ret_arg) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	866 add_local_var(call, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	867 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	868 // Returns unknown object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	869 map_ideal_node(call, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	870 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	871 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	872 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	873 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	874 // An other type of call, assume the worst case:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	875 // returned value is unknown and globally escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	876 assert(call->Opcode() == Op_CallDynamicJava, "add failed case check");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	877 map_ideal_node(call, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	878 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	879 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	880
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	881 void ConnectionGraph::process_call_arguments(CallNode *call) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	882 bool is_arraycopy = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	883 switch (call->Opcode()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	884 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	885 case Op_Allocate:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	886 case Op_AllocateArray:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	887 case Op_Lock:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	888 case Op_Unlock:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	889 assert(false, "should be done already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	890 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	891 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	892 case Op_CallLeafNoFP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	893 is_arraycopy = (call->as_CallLeaf()->_name != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	894 strstr(call->as_CallLeaf()->_name, "arraycopy") != 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	895 // fall through
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	896 case Op_CallLeaf: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	897 // Stub calls, objects do not escape but they are not scale replaceable.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	898 // Adjust escape state for outgoing arguments.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	899 const TypeTuple * d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	900 bool src_has_oops = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	901 for (uint i = TypeFunc::Parms; i < d->cnt(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	902 const Type* at = d->field_at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	903 Node *arg = call->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	904 const Type *aat = _igvn->type(arg);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	905 if (arg->is_top() \|\| !at->isa_ptr() \|\| !aat->isa_ptr())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	906 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	907 if (arg->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	908 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	909 // The inline_native_clone() case when the arraycopy stub is called
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	910 // after the allocation before Initialize and CheckCastPP nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	911 // Or normal arraycopy for object arrays case.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	912 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	913 // Set AddP's base (Allocate) as not scalar replaceable since
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	914 // pointer to the base (with offset) is passed as argument.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	915 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	916 arg = get_addp_base(arg);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	917 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	918 PointsToNode* arg_ptn = ptnode_adr(arg->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	919 assert(arg_ptn != NULL, "should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	920 PointsToNode::EscapeState arg_esc = arg_ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	921 if (is_arraycopy \|\| arg_esc < PointsToNode::ArgEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	922 assert(aat == Type::TOP \|\| aat == TypePtr::NULL_PTR \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	923 aat->isa_ptr() != NULL, "expecting an Ptr");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	924 bool arg_has_oops = aat->isa_oopptr() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	925 (aat->isa_oopptr()->klass() == NULL \|\| aat->isa_instptr() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	926 (aat->isa_aryptr() && aat->isa_aryptr()->klass()->is_obj_array_klass()));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	927 if (i == TypeFunc::Parms) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	928 src_has_oops = arg_has_oops;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	929 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	930 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	931 // src or dst could be j.l.Object when other is basic type array:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	932 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	933 // arraycopy(char[],0,Object*,0,size);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	934 // arraycopy(Object*,0,char[],0,size);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	935 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	936 // Don't add edges in such cases.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	937 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	938 bool arg_is_arraycopy_dest = src_has_oops && is_arraycopy &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	939 arg_has_oops && (i > TypeFunc::Parms);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	940 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	941 if (!(is_arraycopy \|\|
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	942 (call->as_CallLeaf()->_name != NULL &&
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	943 (strcmp(call->as_CallLeaf()->_name, "g1_wb_pre") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	944 strcmp(call->as_CallLeaf()->_name, "g1_wb_post") == 0 \|\|
11080 b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 10405 diff changeset	945 strcmp(call->as_CallLeaf()->_name, "updateBytesCRC32") == 0 \|\|
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	946 strcmp(call->as_CallLeaf()->_name, "aescrypt_encryptBlock") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	947 strcmp(call->as_CallLeaf()->_name, "aescrypt_decryptBlock") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	948 strcmp(call->as_CallLeaf()->_name, "cipherBlockChaining_encryptAESCrypt") == 0 \|\|
20313 b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	949 strcmp(call->as_CallLeaf()->_name, "cipherBlockChaining_decryptAESCrypt") == 0 \|\|
b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	950 strcmp(call->as_CallLeaf()->_name, "sha1_implCompress") == 0 \|\|
b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	951 strcmp(call->as_CallLeaf()->_name, "sha1_implCompressMB") == 0 \|\|
b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	952 strcmp(call->as_CallLeaf()->_name, "sha256_implCompress") == 0 \|\|
b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	953 strcmp(call->as_CallLeaf()->_name, "sha256_implCompressMB") == 0 \|\|
b20a35eae442 8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC kvn parents: 17894 diff changeset	954 strcmp(call->as_CallLeaf()->_name, "sha512_implCompress") == 0 \|\|
20438 166d744df0de 8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method kvn parents: 20313 diff changeset	955 strcmp(call->as_CallLeaf()->_name, "sha512_implCompressMB") == 0 \|\|
166d744df0de 8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method kvn parents: 20313 diff changeset	956 strcmp(call->as_CallLeaf()->_name, "multiplyToLen") == 0)
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	957 ))) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	958 call->dump();
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	959 fatal(err_msg_res("EA unexpected CallLeaf %s", call->as_CallLeaf()->_name));
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	960 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	961 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	962 // Always process arraycopy's destination object since
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	963 // we need to add all possible edges to references in
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	964 // source object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	965 if (arg_esc >= PointsToNode::ArgEscape &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	966 !arg_is_arraycopy_dest) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	967 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	968 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	969 set_escape_state(arg_ptn, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	970 if (arg_is_arraycopy_dest) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	971 Node* src = call->in(TypeFunc::Parms);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	972 if (src->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	973 src = get_addp_base(src);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	974 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	975 PointsToNode* src_ptn = ptnode_adr(src->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	976 assert(src_ptn != NULL, "should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	977 if (arg_ptn != src_ptn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	978 // Special arraycopy edge:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	979 // A destination object's field can't have the source object
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	980 // as base since objects escape states are not related.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	981 // Only escape state of destination object's fields affects
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	982 // escape state of fields in source object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	983 add_arraycopy(call, PointsToNode::ArgEscape, src_ptn, arg_ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	984 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	985 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	986 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	987 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	988 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	989 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	990 case Op_CallStaticJava: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	991 // For a static call, we know exactly what method is being called.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	992 // Use bytecode estimator to record the call's escape affects
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	993 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	994 const char* name = call->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	995 assert((name == NULL \|\| strcmp(name, "uncommon_trap") != 0), "normal calls only");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	996 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	997 ciMethod* meth = call->as_CallJava()->method();
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	998 if ((meth != NULL) && meth->is_boxing_method()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	999 break; // Boxing methods do not modify any oops.
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	1000 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1001 BCEscapeAnalyzer* call_analyzer = (meth !=NULL) ? meth->get_bcea() : NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1002 // fall-through if not a Java method or no analyzer information
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1003 if (call_analyzer != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1004 PointsToNode* call_ptn = ptnode_adr(call->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1005 const TypeTuple* d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1006 for (uint i = TypeFunc::Parms; i < d->cnt(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1007 const Type* at = d->field_at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1008 int k = i - TypeFunc::Parms;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1009 Node* arg = call->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1010 PointsToNode* arg_ptn = ptnode_adr(arg->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1011 if (at->isa_ptr() != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1012 call_analyzer->is_arg_returned(k)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1013 // The call returns arguments.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1014 if (call_ptn != NULL) { // Is call's result used?
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1015 assert(call_ptn->is_LocalVar(), "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1016 assert(arg_ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1017 add_edge(call_ptn, arg_ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1018 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1019 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1020 if (at->isa_oopptr() != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1021 arg_ptn->escape_state() < PointsToNode::GlobalEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1022 if (!call_analyzer->is_arg_stack(k)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1023 // The argument global escapes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1024 set_escape_state(arg_ptn, PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1025 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1026 set_escape_state(arg_ptn, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1027 if (!call_analyzer->is_arg_local(k)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1028 // The argument itself doesn't escape, but any fields might
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1029 set_fields_escape_state(arg_ptn, PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1030 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1031 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1032 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1033 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1034 if (call_ptn != NULL && call_ptn->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1035 // The call returns arguments.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1036 assert(call_ptn->edge_count() > 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1037 if (!call_analyzer->is_return_local()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1038 // Returns also unknown object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1039 add_edge(call_ptn, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1040 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1041 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1042 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1043 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1044 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1045 default: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1046 // Fall-through here if not a Java method or no analyzer information
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1047 // or some other type of call, assume the worst case: all arguments
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1048 // globally escape.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1049 const TypeTuple* d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1050 for (uint i = TypeFunc::Parms; i < d->cnt(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1051 const Type* at = d->field_at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1052 if (at->isa_oopptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1053 Node* arg = call->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1054 if (arg->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1055 arg = get_addp_base(arg);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1056 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1057 assert(ptnode_adr(arg->_idx) != NULL, "should be defined already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1058 set_escape_state(ptnode_adr(arg->_idx), PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1059 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1060 }
4122 cc81b9c09bbb 7112478: after 7105605 JRuby bench_define_method_methods.rb fails with NPE kvn parents: 4115 diff changeset	1061 }
cc81b9c09bbb 7112478: after 7105605 JRuby bench_define_method_methods.rb fails with NPE kvn parents: 4115 diff changeset	1062 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1063 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1064
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1065
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1066 // Finish Graph construction.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1067 bool ConnectionGraph::complete_connection_graph(
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1068 GrowableArray<PointsToNode*>& ptnodes_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1069 GrowableArray<JavaObjectNode*>& non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1070 GrowableArray<JavaObjectNode*>& java_objects_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1071 GrowableArray<FieldNode*>& oop_fields_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1072 // Normally only 1-3 passes needed to build Connection Graph depending
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1073 // on graph complexity. Observed 8 passes in jvm2008 compiler.compiler.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1074 // Set limit to 20 to catch situation when something did go wrong and
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1075 // bailout Escape Analysis.
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1076 // Also limit build time to 20 sec (60 in debug VM), EscapeAnalysisTimeout flag.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1077 #define CG_BUILD_ITER_LIMIT 20
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1078
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1079 // Propagate GlobalEscape and ArgEscape escape states and check that
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1080 // we still have non-escaping objects. The method pushs on _worklist
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1081 // Field nodes which reference phantom_object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1082 if (!find_non_escaped_objects(ptnodes_worklist, non_escaped_worklist)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1083 return false; // Nothing to do.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1084 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1085 // Now propagate references to all JavaObject nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1086 int java_objects_length = java_objects_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1087 elapsedTimer time;
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1088 bool timeout = false;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1089 int new_edges = 1;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1090 int iterations = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1091 do {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1092 while ((new_edges > 0) &&
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1093 (iterations++ < CG_BUILD_ITER_LIMIT)) {
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1094 double start_time = time.seconds();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1095 time.start();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1096 new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1097 // Propagate references to phantom_object for nodes pushed on _worklist
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1098 // by find_non_escaped_objects() and find_field_value().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1099 new_edges += add_java_object_edges(phantom_obj, false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1100 for (int next = 0; next < java_objects_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1101 JavaObjectNode* ptn = java_objects_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1102 new_edges += add_java_object_edges(ptn, true);
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1103
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1104 #define SAMPLE_SIZE 4
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1105 if ((next % SAMPLE_SIZE) == 0) {
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1106 // Each 4 iterations calculate how much time it will take
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1107 // to complete graph construction.
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1108 time.stop();
20688 f913964f3fde 8066199: C2 escape analysis prevents VM from exiting quickly kvn parents: 20671 diff changeset	1109 // Poll for requests from shutdown mechanism to quiesce compiler
f913964f3fde 8066199: C2 escape analysis prevents VM from exiting quickly kvn parents: 20671 diff changeset	1110 // because Connection graph construction may take long time.
f913964f3fde 8066199: C2 escape analysis prevents VM from exiting quickly kvn parents: 20671 diff changeset	1111 CompileBroker::maybe_block();
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1112 double stop_time = time.seconds();
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1113 double time_per_iter = (stop_time - start_time) / (double)SAMPLE_SIZE;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1114 double time_until_end = time_per_iter * (double)(java_objects_length - next);
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1115 if ((start_time + time_until_end) >= EscapeAnalysisTimeout) {
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1116 timeout = true;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1117 break; // Timeout
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1118 }
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1119 start_time = stop_time;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1120 time.start();
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1121 }
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1122 #undef SAMPLE_SIZE
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1123
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1124 }
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1125 if (timeout) break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1126 if (new_edges > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1127 // Update escape states on each iteration if graph was updated.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1128 if (!find_non_escaped_objects(ptnodes_worklist, non_escaped_worklist)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1129 return false; // Nothing to do.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1130 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1131 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1132 time.stop();
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1133 if (time.seconds() >= EscapeAnalysisTimeout) {
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1134 timeout = true;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1135 break;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1136 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1137 }
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1138 if ((iterations < CG_BUILD_ITER_LIMIT) && !timeout) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1139 time.start();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1140 // Find fields which have unknown value.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1141 int fields_length = oop_fields_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1142 for (int next = 0; next < fields_length; next++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1143 FieldNode* field = oop_fields_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1144 if (field->edge_count() == 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1145 new_edges += find_field_value(field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1146 // This code may added new edges to phantom_object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1147 // Need an other cycle to propagate references to phantom_object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1148 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1149 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1150 time.stop();
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1151 if (time.seconds() >= EscapeAnalysisTimeout) {
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1152 timeout = true;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1153 break;
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1154 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1155 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1156 new_edges = 0; // Bailout
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1157 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1158 } while (new_edges > 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1159
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1160 // Bailout if passed limits.
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1161 if ((iterations >= CG_BUILD_ITER_LIMIT) \|\| timeout) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1162 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1163 if (C->log() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1164 C->log()->begin_elem("connectionGraph_bailout reason='reached ");
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1165 C->log()->text("%s", timeout ? "time" : "iterations");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1166 C->log()->end_elem(" limit'");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1167 }
6895 006174cfe979 7163534: VM could crashes assert(false) failed: infinite EA connection graph build kvn parents: 6894 diff changeset	1168 assert(ExitEscapeAnalysisOnTimeout, err_msg_res("infinite EA connection graph build (%f sec, %d iterations) with %d nodes and worklist size %d",
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1169 time.seconds(), iterations, nodes_size(), ptnodes_worklist.length()));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1170 // Possible infinite build_connection_graph loop,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1171 // bailout (no changes to ideal graph were made).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1172 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1173 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1174 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1175 if (Verbose && PrintEscapeAnalysis) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1176 tty->print_cr("EA: %d iterations to build connection graph with %d nodes and worklist size %d",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1177 iterations, nodes_size(), ptnodes_worklist.length());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1178 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1179 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1180
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1181 #undef CG_BUILD_ITER_LIMIT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1182
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1183 // Find fields initialized by NULL for non-escaping Allocations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1184 int non_escaped_length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1185 for (int next = 0; next < non_escaped_length; next++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1186 JavaObjectNode* ptn = non_escaped_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1187 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1188 assert(es <= PointsToNode::ArgEscape, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1189 if (es == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1190 if (find_init_values(ptn, null_obj, _igvn) > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1191 // Adding references to NULL object does not change escape states
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1192 // since it does not escape. Also no fields are added to NULL object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1193 add_java_object_edges(null_obj, false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1194 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1195 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1196 Node* n = ptn->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1197 if (n->is_Allocate()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1198 // The object allocated by this Allocate node will never be
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1199 // seen by an other thread. Mark it so that when it is
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1200 // expanded no MemBarStoreStore is added.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1201 InitializeNode* ini = n->as_Allocate()->initialization();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1202 if (ini != NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1203 ini->set_does_not_escape();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1204 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1205 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1206 return true; // Finished graph construction.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1207 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1208
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1209 // Propagate GlobalEscape and ArgEscape escape states to all nodes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1210 // and check that we still have non-escaping java objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1211 bool ConnectionGraph::find_non_escaped_objects(GrowableArray<PointsToNode*>& ptnodes_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1212 GrowableArray<JavaObjectNode*>& non_escaped_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1213 GrowableArray<PointsToNode*> escape_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1214 // First, put all nodes with GlobalEscape and ArgEscape states on worklist.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1215 int ptnodes_length = ptnodes_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1216 for (int next = 0; next < ptnodes_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1217 PointsToNode* ptn = ptnodes_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1218 if (ptn->escape_state() >= PointsToNode::ArgEscape \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1219 ptn->fields_escape_state() >= PointsToNode::ArgEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1220 escape_worklist.push(ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1221 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1222 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1223 // Set escape states to referenced nodes (edges list).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1224 while (escape_worklist.length() > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1225 PointsToNode* ptn = escape_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1226 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1227 PointsToNode::EscapeState field_es = ptn->fields_escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1228 if (ptn->is_Field() && ptn->as_Field()->is_oop() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1229 es >= PointsToNode::ArgEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1230 // GlobalEscape or ArgEscape state of field means it has unknown value.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1231 if (add_edge(ptn, phantom_obj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1232 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1233 add_field_uses_to_worklist(ptn->as_Field());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1234 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1235 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1236 for (EdgeIterator i(ptn); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1237 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1238 if (e->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1239 assert(ptn->arraycopy_dst(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1240 // Propagate only fields escape state through arraycopy edge.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1241 if (e->fields_escape_state() < field_es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1242 set_fields_escape_state(e, field_es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1243 escape_worklist.push(e);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1244 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1245 } else if (es >= field_es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1246 // fields_escape_state is also set to 'es' if it is less than 'es'.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1247 if (e->escape_state() < es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1248 set_escape_state(e, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1249 escape_worklist.push(e);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1250 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1251 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1252 // Propagate field escape state.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1253 bool es_changed = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1254 if (e->fields_escape_state() < field_es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1255 set_fields_escape_state(e, field_es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1256 es_changed = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1257 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1258 if ((e->escape_state() < field_es) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1259 e->is_Field() && ptn->is_JavaObject() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1260 e->as_Field()->is_oop()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1261 // Change escape state of referenced fileds.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1262 set_escape_state(e, field_es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1263 es_changed = true;;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1264 } else if (e->escape_state() < es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1265 set_escape_state(e, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1266 es_changed = true;;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1267 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1268 if (es_changed) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1269 escape_worklist.push(e);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1270 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1271 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1272 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1273 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1274 // Remove escaped objects from non_escaped list.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1275 for (int next = non_escaped_worklist.length()-1; next >= 0 ; --next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1276 JavaObjectNode* ptn = non_escaped_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1277 if (ptn->escape_state() >= PointsToNode::GlobalEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1278 non_escaped_worklist.delete_at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1279 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1280 if (ptn->escape_state() == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1281 // Find fields in non-escaped allocations which have unknown value.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1282 find_init_values(ptn, phantom_obj, NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1283 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1284 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1285 return (non_escaped_worklist.length() > 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1286 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1287
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1288 // Add all references to JavaObject node by walking over all uses.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1289 int ConnectionGraph::add_java_object_edges(JavaObjectNode* jobj, bool populate_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1290 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1291 if (populate_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1292 // Populate _worklist by uses of jobj's uses.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1293 for (UseIterator i(jobj); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1294 PointsToNode* use = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1295 if (use->is_Arraycopy())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1296 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1297 add_uses_to_worklist(use);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1298 if (use->is_Field() && use->as_Field()->is_oop()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1299 // Put on worklist all field's uses (loads) and
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1300 // related field nodes (same base and offset).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1301 add_field_uses_to_worklist(use->as_Field());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1302 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1303 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1304 }
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1305 for (int l = 0; l < _worklist.length(); l++) {
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1306 PointsToNode* use = _worklist.at(l);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1307 if (PointsToNode::is_base_use(use)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1308 // Add reference from jobj to field and from field to jobj (field's base).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1309 use = PointsToNode::get_use_node(use)->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1310 if (add_base(use->as_Field(), jobj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1311 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1312 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1313 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1314 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1315 assert(!use->is_JavaObject(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1316 if (use->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1317 if (jobj == null_obj) // NULL object does not have field edges
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1318 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1319 // Added edge from Arraycopy node to arraycopy's source java object
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1320 if (add_edge(use, jobj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1321 jobj->set_arraycopy_src();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1322 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1323 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1324 // and stop here.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1325 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1326 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1327 if (!add_edge(use, jobj))
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1328 continue; // No new edge added, there was such edge already.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1329 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1330 if (use->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1331 add_uses_to_worklist(use);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1332 if (use->arraycopy_dst()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1333 for (EdgeIterator i(use); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1334 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1335 if (e->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1336 if (jobj == null_obj) // NULL object does not have field edges
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1337 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1338 // Add edge from arraycopy's destination java object to Arraycopy node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1339 if (add_edge(jobj, e)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1340 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1341 jobj->set_arraycopy_dst();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1342 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1343 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1344 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1345 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1346 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1347 // Added new edge to stored in field values.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1348 // Put on worklist all field's uses (loads) and
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1349 // related field nodes (same base and offset).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1350 add_field_uses_to_worklist(use->as_Field());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1351 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1352 }
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1353 _worklist.clear();
90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1354 _in_worklist.Reset();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1355 return new_edges;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1356 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1357
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1358 // Put on worklist all related field nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1359 void ConnectionGraph::add_field_uses_to_worklist(FieldNode* field) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1360 assert(field->is_oop(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1361 int offset = field->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1362 add_uses_to_worklist(field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1363 // Loop over all bases of this field and push on worklist Field nodes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1364 // with the same offset and base (since they may reference the same field).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1365 for (BaseIterator i(field); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1366 PointsToNode* base = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1367 add_fields_to_worklist(field, base);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1368 // Check if the base was source object of arraycopy and go over arraycopy's
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1369 // destination objects since values stored to a field of source object are
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1370 // accessable by uses (loads) of fields of destination objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1371 if (base->arraycopy_src()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1372 for (UseIterator j(base); j.has_next(); j.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1373 PointsToNode* arycp = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1374 if (arycp->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1375 for (UseIterator k(arycp); k.has_next(); k.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1376 PointsToNode* abase = k.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1377 if (abase->arraycopy_dst() && abase != base) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1378 // Look for the same arracopy reference.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1379 add_fields_to_worklist(field, abase);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1380 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1381 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1382 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1383 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1384 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1385 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1386 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1387
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1388 // Put on worklist all related field nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1389 void ConnectionGraph::add_fields_to_worklist(FieldNode* field, PointsToNode* base) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1390 int offset = field->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1391 if (base->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1392 for (UseIterator j(base); j.has_next(); j.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1393 PointsToNode* f = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1394 if (PointsToNode::is_base_use(f)) { // Field
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1395 f = PointsToNode::get_use_node(f);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1396 if (f == field \|\| !f->as_Field()->is_oop())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1397 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1398 int offs = f->as_Field()->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1399 if (offs == offset \|\| offset == Type::OffsetBot \|\| offs == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1400 add_to_worklist(f);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1401 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1402 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1403 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1404 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1405 assert(base->is_JavaObject(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1406 if (// Skip phantom_object since it is only used to indicate that
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1407 // this field's content globally escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1408 (base != phantom_obj) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1409 // NULL object node does not have fields.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1410 (base != null_obj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1411 for (EdgeIterator i(base); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1412 PointsToNode* f = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1413 // Skip arraycopy edge since store to destination object field
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1414 // does not update value in source object field.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1415 if (f->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1416 assert(base->arraycopy_dst(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1417 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1418 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1419 if (f == field \|\| !f->as_Field()->is_oop())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1420 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1421 int offs = f->as_Field()->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1422 if (offs == offset \|\| offset == Type::OffsetBot \|\| offs == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1423 add_to_worklist(f);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1424 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1425 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1426 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1427 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1428 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1429
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1430 // Find fields which have unknown value.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1431 int ConnectionGraph::find_field_value(FieldNode* field) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1432 // Escaped fields should have init value already.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1433 assert(field->escape_state() == PointsToNode::NoEscape, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1434 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1435 for (BaseIterator i(field); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1436 PointsToNode* base = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1437 if (base->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1438 // Skip Allocate's fields which will be processed later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1439 if (base->ideal_node()->is_Allocate())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1440 return 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1441 assert(base == null_obj, "only NULL ptr base expected here");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1442 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1443 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1444 if (add_edge(field, phantom_obj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1445 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1446 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1447 add_field_uses_to_worklist(field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1448 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1449 return new_edges;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1450 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1451
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1452 // Find fields initializing values for allocations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1453 int ConnectionGraph::find_init_values(JavaObjectNode* pta, PointsToNode* init_val, PhaseTransform* phase) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1454 assert(pta->escape_state() == PointsToNode::NoEscape, "Not escaped Allocate nodes only");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1455 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1456 Node* alloc = pta->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1457 if (init_val == phantom_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1458 // Do nothing for Allocate nodes since its fields values are "known".
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1459 if (alloc->is_Allocate())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1460 return 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1461 assert(alloc->as_CallStaticJava(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1462 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1463 if (alloc->as_CallStaticJava()->method() == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1464 const char* name = alloc->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1465 assert(strncmp(name, "_multianewarray", 15) == 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1466 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1467 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1468 // Non-escaped allocation returned from Java or runtime call have
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1469 // unknown values in fields.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1470 for (EdgeIterator i(pta); i.has_next(); i.next()) {
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1471 PointsToNode* field = i.get();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1472 if (field->is_Field() && field->as_Field()->is_oop()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1473 if (add_edge(field, phantom_obj)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1474 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1475 new_edges++;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1476 add_field_uses_to_worklist(field->as_Field());
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1477 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1478 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1479 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1480 return new_edges;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1481 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1482 assert(init_val == null_obj, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1483 // Do nothing for Call nodes since its fields values are unknown.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1484 if (!alloc->is_Allocate())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1485 return 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1486
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1487 InitializeNode* ini = alloc->as_Allocate()->initialization();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1488 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1489 bool visited_bottom_offset = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1490 GrowableArray<int> offsets_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1491
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1492 // Check if an oop field's initializing value is recorded and add
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1493 // a corresponding NULL if field's value if it is not recorded.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1494 // Connection Graph does not record a default initialization by NULL
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1495 // captured by Initialize node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1496 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1497 for (EdgeIterator i(pta); i.has_next(); i.next()) {
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1498 PointsToNode* field = i.get(); // Field (AddP)
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1499 if (!field->is_Field() \|\| !field->as_Field()->is_oop())
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1500 continue; // Not oop field
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1501 int offset = field->as_Field()->offset();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1502 if (offset == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1503 if (!visited_bottom_offset) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1504 // OffsetBot is used to reference array's element,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1505 // always add reference to NULL to all Field nodes since we don't
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1506 // known which element is referenced.
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1507 if (add_edge(field, null_obj)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1508 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1509 new_edges++;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1510 add_field_uses_to_worklist(field->as_Field());
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1511 visited_bottom_offset = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1512 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1513 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1514 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1515 // Check only oop fields.
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1516 const Type* adr_type = field->ideal_node()->as_AddP()->bottom_type();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1517 if (adr_type->isa_rawptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1518 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1519 // Raw pointers are used for initializing stores so skip it
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1520 // since it should be recorded already
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1521 Node* base = get_addp_base(field->ideal_node());
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1522 assert(adr_type->isa_rawptr() && base->is_Proj() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1523 (base->in(0) == alloc),"unexpected pointer type");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1524 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1525 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1526 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1527 if (!offsets_worklist.contains(offset)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1528 offsets_worklist.append(offset);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1529 Node* value = NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1530 if (ini != NULL) {
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1531 // StoreP::memory_type() == T_ADDRESS
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1532 BasicType ft = UseCompressedOops ? T_NARROWOOP : T_ADDRESS;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1533 Node* store = ini->find_captured_store(offset, type2aelembytes(ft, true), phase);
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1534 // Make sure initializing store has the same type as this AddP.
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1535 // This AddP may reference non existing field because it is on a
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1536 // dead branch of bimorphic call which is not eliminated yet.
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1537 if (store != NULL && store->is_Store() &&
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1538 store->as_Store()->memory_type() == ft) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1539 value = store->in(MemNode::ValueIn);
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1540 #ifdef ASSERT
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1541 if (VerifyConnectionGraph) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1542 // Verify that AddP already points to all objects the value points to.
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1543 PointsToNode* val = ptnode_adr(value->_idx);
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1544 assert((val != NULL), "should be processed already");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1545 PointsToNode* missed_obj = NULL;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1546 if (val->is_JavaObject()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1547 if (!field->points_to(val->as_JavaObject())) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1548 missed_obj = val;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1549 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1550 } else {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1551 if (!val->is_LocalVar() \|\| (val->edge_count() == 0)) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1552 tty->print_cr("----------init store has invalid value -----");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1553 store->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1554 val->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1555 assert(val->is_LocalVar() && (val->edge_count() > 0), "should be processed already");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1556 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1557 for (EdgeIterator j(val); j.has_next(); j.next()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1558 PointsToNode* obj = j.get();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1559 if (obj->is_JavaObject()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1560 if (!field->points_to(obj->as_JavaObject())) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1561 missed_obj = obj;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1562 break;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1563 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1564 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1565 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1566 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1567 if (missed_obj != NULL) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1568 tty->print_cr("----------field---------------------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1569 field->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1570 tty->print_cr("----------missed referernce to object-----------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1571 missed_obj->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1572 tty->print_cr("----------object referernced by init store -----");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1573 store->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1574 val->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1575 assert(!field->points_to(missed_obj->as_JavaObject()), "missed JavaObject reference");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1576 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1577 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1578 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1579 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1580 // There could be initializing stores which follow allocation.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1581 // For example, a volatile field store is not collected
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1582 // by Initialize node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1583 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1584 // Need to check for dependent loads to separate such stores from
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1585 // stores which follow loads. For now, add initial value NULL so
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1586 // that compare pointers optimization works correctly.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1587 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1588 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1589 if (value == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1590 // A field's initializing value was not recorded. Add NULL.
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1591 if (add_edge(field, null_obj)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1592 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1593 new_edges++;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1594 add_field_uses_to_worklist(field->as_Field());
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1595 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1596 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1597 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1598 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1599 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1600 return new_edges;
0 a61af66fc99e Initial load duke parents: diff changeset	1601 }
a61af66fc99e Initial load duke parents: diff changeset	1602
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1603 // Adjust scalar_replaceable state after Connection Graph is built.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1604 void ConnectionGraph::adjust_scalar_replaceable_state(JavaObjectNode* jobj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1605 // Search for non-escaping objects which are not scalar replaceable
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1606 // and mark them to propagate the state to referenced objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1607
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1608 // 1. An object is not scalar replaceable if the field into which it is
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1609 // stored has unknown offset (stored into unknown element of an array).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1610 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1611 for (UseIterator i(jobj); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1612 PointsToNode* use = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1613 assert(!use->is_Arraycopy(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1614 if (use->is_Field()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1615 FieldNode* field = use->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1616 assert(field->is_oop() && field->scalar_replaceable() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1617 field->fields_escape_state() == PointsToNode::NoEscape, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1618 if (field->offset() == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1619 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1620 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1621 }
14202 3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1622 // 2. An object is not scalar replaceable if the field into which it is
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1623 // stored has multiple bases one of which is null.
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1624 if (field->base_count() > 1) {
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1625 for (BaseIterator i(field); i.has_next(); i.next()) {
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1626 PointsToNode* base = i.get();
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1627 if (base == null_obj) {
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1628 jobj->set_scalar_replaceable(false);
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1629 return;
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1630 }
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1631 }
3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1632 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1633 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1634 assert(use->is_Field() \|\| use->is_LocalVar(), "sanity");
14202 3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1635 // 3. An object is not scalar replaceable if it is merged with other objects.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1636 for (EdgeIterator j(use); j.has_next(); j.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1637 PointsToNode* ptn = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1638 if (ptn->is_JavaObject() && ptn != jobj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1639 // Mark all objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1640 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1641 ptn->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1642 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1643 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1644 if (!jobj->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1645 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1646 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1647 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1648
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1649 for (EdgeIterator j(jobj); j.has_next(); j.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1650 // Non-escaping object node should point only to field nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1651 FieldNode* field = j.get()->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1652 int offset = field->as_Field()->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1653
14202 3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1654 // 4. An object is not scalar replaceable if it has a field with unknown
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1655 // offset (array's element is accessed in loop).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1656 if (offset == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1657 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1658 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1659 }
14202 3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1660 // 5. Currently an object is not scalar replaceable if a LoadStore node
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1661 // access its field since the field value is unknown after it.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1662 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1663 Node* n = field->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1664 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1665 if (n->fast_out(i)->is_LoadStore()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1666 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1667 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1668 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1669 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1670
14202 3e98456aab94 8027388: JVM crashes with SIGSEGV (0xb) at pc=0x00000001077cbbf6 iveresov parents: 12871 diff changeset	1671 // 6. Or the address may point to more then one object. This may produce
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1672 // the false positive result (set not scalar replaceable)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1673 // since the flow-insensitive escape analysis can't separate
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1674 // the case when stores overwrite the field's value from the case
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1675 // when stores happened on different control branches.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1676 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1677 // Note: it will disable scalar replacement in some cases:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1678 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1679 // Point p[] = new Point[1];
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1680 // p[0] = new Point(); // Will be not scalar replaced
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1681 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1682 // but it will save us from incorrect optimizations in next cases:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1683 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1684 // Point p[] = new Point[1];
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1685 // if ( x ) p[0] = new Point(); // Will be not scalar replaced
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1686 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1687 if (field->base_count() > 1) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1688 for (BaseIterator i(field); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1689 PointsToNode* base = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1690 // Don't take into account LocalVar nodes which
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1691 // may point to only one object which should be also
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1692 // this field's base by now.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1693 if (base->is_JavaObject() && base != jobj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1694 // Mark all bases.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1695 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1696 base->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1697 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1698 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1699 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1700 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1701 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1702
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1703 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1704 void ConnectionGraph::verify_connection_graph(
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1705 GrowableArray<PointsToNode*>& ptnodes_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1706 GrowableArray<JavaObjectNode*>& non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1707 GrowableArray<JavaObjectNode*>& java_objects_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1708 GrowableArray<Node*>& addp_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1709 // Verify that graph is complete - no new edges could be added.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1710 int java_objects_length = java_objects_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1711 int non_escaped_length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1712 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1713 for (int next = 0; next < java_objects_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1714 JavaObjectNode* ptn = java_objects_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1715 new_edges += add_java_object_edges(ptn, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1716 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1717 assert(new_edges == 0, "graph was not complete");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1718 // Verify that escape state is final.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1719 int length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1720 find_non_escaped_objects(ptnodes_worklist, non_escaped_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1721 assert((non_escaped_length == non_escaped_worklist.length()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1722 (non_escaped_length == length) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1723 (_worklist.length() == 0), "escape state was not final");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1724
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1725 // Verify fields information.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1726 int addp_length = addp_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1727 for (int next = 0; next < addp_length; ++next ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1728 Node* n = addp_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1729 FieldNode* field = ptnode_adr(n->_idx)->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1730 if (field->is_oop()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1731 // Verify that field has all bases
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1732 Node* base = get_addp_base(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1733 PointsToNode* ptn = ptnode_adr(base->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1734 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1735 assert(field->has_base(ptn->as_JavaObject()), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1736 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1737 assert(ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1738 for (EdgeIterator i(ptn); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1739 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1740 if (e->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1741 assert(field->has_base(e->as_JavaObject()), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1742 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1743 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1744 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1745 // Verify that all fields have initializing values.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1746 if (field->edge_count() == 0) {
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1747 tty->print_cr("----------field does not have references----------");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1748 field->dump();
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1749 for (BaseIterator i(field); i.has_next(); i.next()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1750 PointsToNode* base = i.get();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1751 tty->print_cr("----------field has next base---------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1752 base->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1753 if (base->is_JavaObject() && (base != phantom_obj) && (base != null_obj)) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1754 tty->print_cr("----------base has fields-------------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1755 for (EdgeIterator j(base); j.has_next(); j.next()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1756 j.get()->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1757 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1758 tty->print_cr("----------base has references---------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1759 for (UseIterator j(base); j.has_next(); j.next()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1760 j.get()->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1761 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1762 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1763 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1764 for (UseIterator i(field); i.has_next(); i.next()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1765 i.get()->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1766 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1767 assert(field->edge_count() > 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1768 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1769 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1770 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1771 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1772 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1773
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1774 // Optimize ideal graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1775 void ConnectionGraph::optimize_ideal_graph(GrowableArray<Node*>& ptr_cmp_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1776 GrowableArray<Node*>& storestore_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1777 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1778 PhaseIterGVN* igvn = _igvn;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1779 if (EliminateLocks) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1780 // Mark locks before changing ideal graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1781 int cnt = C->macro_count();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1782 for( int i=0; i < cnt; i++ ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1783 Node *n = C->macro_node(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1784 if (n->is_AbstractLock()) { // Lock and Unlock nodes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1785 AbstractLockNode* alock = n->as_AbstractLock();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1786 if (!alock->is_non_esc_obj()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1787 if (not_global_escape(alock->obj_node())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1788 assert(!alock->is_eliminated() \|\| alock->is_coarsened(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1789 // The lock could be marked eliminated by lock coarsening
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1790 // code during first IGVN before EA. Replace coarsened flag
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1791 // to eliminate all associated locks/unlocks.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1792 alock->set_non_esc_obj();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1793 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1794 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1795 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1796 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1797 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1798
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1799 if (OptimizePtrCompare) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1800 // Add ConI(#CC_GT) and ConI(#CC_EQ).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1801 _pcmp_neq = igvn->makecon(TypeInt::CC_GT);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1802 _pcmp_eq = igvn->makecon(TypeInt::CC_EQ);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1803 // Optimize objects compare.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1804 while (ptr_cmp_worklist.length() != 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1805 Node *n = ptr_cmp_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1806 Node *res = optimize_ptr_compare(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1807 if (res != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1808 #ifndef PRODUCT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1809 if (PrintOptimizePtrCompare) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1810 tty->print_cr("++++ Replaced: %d %s(%d,%d) --> %s", n->_idx, (n->Opcode() == Op_CmpP ? "CmpP" : "CmpN"), n->in(1)->_idx, n->in(2)->_idx, (res == _pcmp_eq ? "EQ" : "NotEQ"));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1811 if (Verbose) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1812 n->dump(1);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1813 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1814 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1815 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1816 igvn->replace_node(n, res);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1817 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1818 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1819 // cleanup
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1820 if (_pcmp_neq->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1821 igvn->hash_delete(_pcmp_neq);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1822 if (_pcmp_eq->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1823 igvn->hash_delete(_pcmp_eq);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1824 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1825
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1826 // For MemBarStoreStore nodes added in library_call.cpp, check
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1827 // escape status of associated AllocateNode and optimize out
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1828 // MemBarStoreStore node if the allocated object never escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1829 while (storestore_worklist.length() != 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1830 Node *n = storestore_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1831 MemBarStoreStoreNode *storestore = n ->as_MemBarStoreStore();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1832 Node *alloc = storestore->in(MemBarNode::Precedent)->in(0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1833 assert (alloc->is_Allocate(), "storestore should point to AllocateNode");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1834 if (not_global_escape(alloc)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1835 MemBarNode* mb = MemBarNode::make(C, Op_MemBarCPUOrder, Compile::AliasIdxBot);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1836 mb->init_req(TypeFunc::Memory, storestore->in(TypeFunc::Memory));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1837 mb->init_req(TypeFunc::Control, storestore->in(TypeFunc::Control));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1838 igvn->register_new_node_with_optimizer(mb);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1839 igvn->replace_node(storestore, mb);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1840 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1841 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1842 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1843
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1844 // Optimize objects compare.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1845 Node* ConnectionGraph::optimize_ptr_compare(Node* n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1846 assert(OptimizePtrCompare, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1847 PointsToNode* ptn1 = ptnode_adr(n->in(1)->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1848 PointsToNode* ptn2 = ptnode_adr(n->in(2)->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1849 JavaObjectNode* jobj1 = unique_java_object(n->in(1));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1850 JavaObjectNode* jobj2 = unique_java_object(n->in(2));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1851 assert(ptn1->is_JavaObject() \|\| ptn1->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1852 assert(ptn2->is_JavaObject() \|\| ptn2->is_LocalVar(), "sanity");
0 a61af66fc99e Initial load duke parents: diff changeset	1853
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1854 // Check simple cases first.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1855 if (jobj1 != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1856 if (jobj1->escape_state() == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1857 if (jobj1 == jobj2) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1858 // Comparing the same not escaping object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1859 return _pcmp_eq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1860 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1861 Node* obj = jobj1->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1862 // Comparing not escaping allocation.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1863 if ((obj->is_Allocate() \|\| obj->is_CallStaticJava()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1864 !ptn2->points_to(jobj1)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1865 return _pcmp_neq; // This includes nullness check.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1866 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1867 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1868 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1869 if (jobj2 != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1870 if (jobj2->escape_state() == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1871 Node* obj = jobj2->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1872 // Comparing not escaping allocation.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1873 if ((obj->is_Allocate() \|\| obj->is_CallStaticJava()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1874 !ptn1->points_to(jobj2)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1875 return _pcmp_neq; // This includes nullness check.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1876 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1877 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1878 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1879 if (jobj1 != NULL && jobj1 != phantom_obj &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1880 jobj2 != NULL && jobj2 != phantom_obj &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1881 jobj1->ideal_node()->is_Con() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1882 jobj2->ideal_node()->is_Con()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1883 // Klass or String constants compare. Need to be careful with
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1884 // compressed pointers - compare types of ConN and ConP instead of nodes.
10279 70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	1885 const Type* t1 = jobj1->ideal_node()->get_ptr_type();
70120f47d403 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() kvn parents: 10278 diff changeset	1886 const Type* t2 = jobj2->ideal_node()->get_ptr_type();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1887 if (t1->make_ptr() == t2->make_ptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1888 return _pcmp_eq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1889 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1890 return _pcmp_neq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1891 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1892 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1893 if (ptn1->meet(ptn2)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1894 return NULL; // Sets are not disjoint
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1895 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1896
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1897 // Sets are disjoint.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1898 bool set1_has_unknown_ptr = ptn1->points_to(phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1899 bool set2_has_unknown_ptr = ptn2->points_to(phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1900 bool set1_has_null_ptr = ptn1->points_to(null_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1901 bool set2_has_null_ptr = ptn2->points_to(null_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1902 if (set1_has_unknown_ptr && set2_has_null_ptr \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1903 set2_has_unknown_ptr && set1_has_null_ptr) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1904 // Check nullness of unknown object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1905 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1906 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1907
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1908 // Disjointness by itself is not sufficient since
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1909 // alias analysis is not complete for escaped objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1910 // Disjoint sets are definitely unrelated only when
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1911 // at least one set has only not escaping allocations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1912 if (!set1_has_unknown_ptr && !set1_has_null_ptr) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1913 if (ptn1->non_escaping_allocation()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1914 return _pcmp_neq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1915 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1916 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1917 if (!set2_has_unknown_ptr && !set2_has_null_ptr) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1918 if (ptn2->non_escaping_allocation()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1919 return _pcmp_neq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1920 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1921 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1922 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1923 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1924
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1925 // Connection Graph constuction functions.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1926
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1927 void ConnectionGraph::add_local_var(Node *n, PointsToNode::EscapeState es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1928 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1929 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1930 assert(ptadr->is_LocalVar() && ptadr->ideal_node() == n, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1931 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1932 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1933 Compile* C = _compile;
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1934 ptadr = new (C->comp_arena()) LocalVarNode(this, n, es);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1935 _nodes.at_put(n->_idx, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1936 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1937
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1938 void ConnectionGraph::add_java_object(Node *n, PointsToNode::EscapeState es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1939 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1940 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1941 assert(ptadr->is_JavaObject() && ptadr->ideal_node() == n, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1942 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1943 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1944 Compile* C = _compile;
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1945 ptadr = new (C->comp_arena()) JavaObjectNode(this, n, es);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1946 _nodes.at_put(n->_idx, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1947 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1948
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1949 void ConnectionGraph::add_field(Node *n, PointsToNode::EscapeState es, int offset) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1950 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1951 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1952 assert(ptadr->is_Field() && ptadr->ideal_node() == n, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1953 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1954 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1955 bool unsafe = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1956 bool is_oop = is_oop_field(n, offset, &unsafe);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1957 if (unsafe) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1958 es = PointsToNode::GlobalEscape;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1959 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1960 Compile* C = _compile;
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1961 FieldNode* field = new (C->comp_arena()) FieldNode(this, n, es, offset, is_oop);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1962 _nodes.at_put(n->_idx, field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1963 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1964
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1965 void ConnectionGraph::add_arraycopy(Node *n, PointsToNode::EscapeState es,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1966 PointsToNode* src, PointsToNode* dst) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1967 assert(!src->is_Field() && !dst->is_Field(), "only for JavaObject and LocalVar");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1968 assert((src != null_obj) && (dst != null_obj), "not for ConP NULL");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1969 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1970 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1971 assert(ptadr->is_Arraycopy() && ptadr->ideal_node() == n, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1972 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1973 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1974 Compile* C = _compile;
20585 90297adbda9d 8041984: CompilerThread seems to occupy all CPU in a very rare situation kvn parents: 20572 diff changeset	1975 ptadr = new (C->comp_arena()) ArraycopyNode(this, n, es);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1976 _nodes.at_put(n->_idx, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1977 // Add edge from arraycopy node to source object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1978 (void)add_edge(ptadr, src);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1979 src->set_arraycopy_src();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1980 // Add edge from destination object to arraycopy node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1981 (void)add_edge(dst, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1982 dst->set_arraycopy_dst();
0 a61af66fc99e Initial load duke parents: diff changeset	1983 }
a61af66fc99e Initial load duke parents: diff changeset	1984
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1985 bool ConnectionGraph::is_oop_field(Node* n, int offset, bool* unsafe) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1986 const Type* adr_type = n->as_AddP()->bottom_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1987 BasicType bt = T_INT;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1988 if (offset == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1989 // Check only oop fields.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1990 if (!adr_type->isa_aryptr() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1991 (adr_type->isa_aryptr()->klass() == NULL) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1992 adr_type->isa_aryptr()->klass()->is_obj_array_klass()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1993 // OffsetBot is used to reference array's element. Ignore first AddP.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1994 if (find_second_addp(n, n->in(AddPNode::Base)) == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1995 bt = T_OBJECT;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1996 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1997 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1998 } else if (offset != oopDesc::klass_offset_in_bytes()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1999 if (adr_type->isa_instptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2000 ciField* field = _compile->alias_type(adr_type->isa_instptr())->field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2001 if (field != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2002 bt = field->layout_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2003 } else {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2004 // Check for unsafe oop field access
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2005 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2006 int opcode = n->fast_out(i)->Opcode();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2007 if (opcode == Op_StoreP \|\| opcode == Op_LoadP \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2008 opcode == Op_StoreN \|\| opcode == Op_LoadN) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2009 bt = T_OBJECT;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2010 (*unsafe) = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2011 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2012 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2013 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2014 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2015 } else if (adr_type->isa_aryptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2016 if (offset == arrayOopDesc::length_offset_in_bytes()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2017 // Ignore array length load.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2018 } else if (find_second_addp(n, n->in(AddPNode::Base)) != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2019 // Ignore first AddP.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2020 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2021 const Type* elemtype = adr_type->isa_aryptr()->elem();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2022 bt = elemtype->array_element_basic_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2023 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2024 } else if (adr_type->isa_rawptr() \|\| adr_type->isa_klassptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2025 // Allocation initialization, ThreadLocal field access, unsafe access
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2026 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2027 int opcode = n->fast_out(i)->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2028 if (opcode == Op_StoreP \|\| opcode == Op_LoadP \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2029 opcode == Op_StoreN \|\| opcode == Op_LoadN) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2030 bt = T_OBJECT;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	2031 break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2032 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2033 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2034 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2035 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2036 return (bt == T_OBJECT \|\| bt == T_NARROWOOP \|\| bt == T_ARRAY);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2037 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2038
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2039 // Returns unique pointed java object or NULL.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2040 JavaObjectNode* ConnectionGraph::unique_java_object(Node *n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2041 assert(!_collecting, "should not call when contructed graph");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2042 // If the node was created after the escape computation we can't answer.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2043 uint idx = n->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2044 if (idx >= nodes_size()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2045 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2046 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2047 PointsToNode* ptn = ptnode_adr(idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2048 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2049 return ptn->as_JavaObject();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2050 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2051 assert(ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2052 // Check all java objects it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2053 JavaObjectNode* jobj = NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2054 for (EdgeIterator i(ptn); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2055 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2056 if (e->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2057 if (jobj == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2058 jobj = e->as_JavaObject();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2059 } else if (jobj != e) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2060 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2061 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2062 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2063 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2064 return jobj;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2065 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2066
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2067 // Return true if this node points only to non-escaping allocations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2068 bool PointsToNode::non_escaping_allocation() {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2069 if (is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2070 Node* n = ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2071 if (n->is_Allocate() \|\| n->is_CallStaticJava()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2072 return (escape_state() == PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2073 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2074 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2075 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2076 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2077 assert(is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2078 // Check all java objects it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2079 for (EdgeIterator i(this); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2080 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2081 if (e->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2082 Node* n = e->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2083 if ((e->escape_state() != PointsToNode::NoEscape) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2084 !(n->is_Allocate() \|\| n->is_CallStaticJava())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2085 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2086 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2087 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2088 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2089 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2090 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2091
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2092 // Return true if we know the node does not escape globally.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2093 bool ConnectionGraph::not_global_escape(Node *n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2094 assert(!_collecting, "should not call during graph construction");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2095 // If the node was created after the escape computation we can't answer.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2096 uint idx = n->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2097 if (idx >= nodes_size()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2098 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2099 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2100 PointsToNode* ptn = ptnode_adr(idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2101 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2102 // If we have already computed a value, return it.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2103 if (es >= PointsToNode::GlobalEscape)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2104 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2105 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2106 return true; // (es < PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2107 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2108 assert(ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2109 // Check all java objects it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2110 for (EdgeIterator i(ptn); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2111 if (i.get()->escape_state() >= PointsToNode::GlobalEscape)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2112 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2113 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2114 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2115 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2116
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2117
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2118 // Helper functions
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2119
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2120 // Return true if this node points to specified node or nodes it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2121 bool PointsToNode::points_to(JavaObjectNode* ptn) const {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2122 if (is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2123 return (this == ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2124 }
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	2125 assert(is_LocalVar() \|\| is_Field(), "sanity");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2126 for (EdgeIterator i(this); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2127 if (i.get() == ptn)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2128 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2129 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2130 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2131 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2132
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2133 // Return true if one node points to an other.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2134 bool PointsToNode::meet(PointsToNode* ptn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2135 if (this == ptn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2136 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2137 } else if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2138 return this->points_to(ptn->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2139 } else if (this->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2140 return ptn->points_to(this->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2141 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2142 assert(this->is_LocalVar() && ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2143 int ptn_count = ptn->edge_count();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2144 for (EdgeIterator i(this); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2145 PointsToNode* this_e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2146 for (int j = 0; j < ptn_count; j++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2147 if (this_e == ptn->edge(j))
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2148 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2149 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2150 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2151 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2152 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2153
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2154 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2155 // Return true if bases point to this java object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2156 bool FieldNode::has_base(JavaObjectNode* jobj) const {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2157 for (BaseIterator i(this); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2158 if (i.get() == jobj)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2159 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2160 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2161 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2162 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2163 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2164
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2165 int ConnectionGraph::address_offset(Node* adr, PhaseTransform *phase) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2166 const Type *adr_type = phase->type(adr);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2167 if (adr->is_AddP() && adr_type->isa_oopptr() == NULL &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2168 adr->in(AddPNode::Address)->is_Proj() &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2169 adr->in(AddPNode::Address)->in(0)->is_Allocate()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2170 // We are computing a raw address for a store captured by an Initialize
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2171 // compute an appropriate address type. AddP cases #3 and #5 (see below).
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2172 int offs = (int)phase->find_intptr_t_con(adr->in(AddPNode::Offset), Type::OffsetBot);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2173 assert(offs != Type::OffsetBot \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2174 adr->in(AddPNode::Address)->in(0)->is_AllocateArray(),
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2175 "offset must be a constant or it is initialization of array");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2176 return offs;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2177 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2178 const TypePtr *t_ptr = adr_type->isa_ptr();
0 a61af66fc99e Initial load duke parents: diff changeset	2179 assert(t_ptr != NULL, "must be a pointer type");
a61af66fc99e Initial load duke parents: diff changeset	2180 return t_ptr->offset();
a61af66fc99e Initial load duke parents: diff changeset	2181 }
a61af66fc99e Initial load duke parents: diff changeset	2182
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2183 Node* ConnectionGraph::get_addp_base(Node *addp) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2184 assert(addp->is_AddP(), "must be AddP");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2185 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2186 // AddP cases for Base and Address inputs:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2187 // case #1. Direct object's field reference:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2188 // Allocate
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2189 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2190 // Proj #5 ( oop result )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2191 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2192 // CheckCastPP (cast to instance type)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2193 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2194 // AddP ( base == address )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2195 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2196 // case #2. Indirect object's field reference:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2197 // Phi
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2198 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2199 // CastPP (cast to instance type)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2200 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2201 // AddP ( base == address )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2202 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2203 // case #3. Raw object's field reference for Initialize node:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2204 // Allocate
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2205 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2206 // Proj #5 ( oop result )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2207 // top \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2208 // \ \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2209 // AddP ( base == top )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2210 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2211 // case #4. Array's element reference:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2212 // {CheckCastPP \| CastPP}
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2213 // \| \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2214 // \| AddP ( array's element offset )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2215 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2216 // AddP ( array's offset )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2217 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2218 // case #5. Raw object's field reference for arraycopy stub call:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2219 // The inline_native_clone() case when the arraycopy stub is called
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2220 // after the allocation before Initialize and CheckCastPP nodes.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2221 // Allocate
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2222 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2223 // Proj #5 ( oop result )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2224 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2225 // AddP ( base == address )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2226 //
77 36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2227 // case #6. Constant Pool, ThreadLocal, CastX2P or
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2228 // Raw object's field reference:
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2229 // {ConP, ThreadLocal, CastX2P, raw Load}
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2230 // top \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2231 // \ \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2232 // AddP ( base == top )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2233 //
77 36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2234 // case #7. Klass's field reference.
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2235 // LoadKlass
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2236 // \| \|
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2237 // AddP ( base == address )
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2238 //
164 c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2239 // case #8. narrow Klass's field reference.
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2240 // LoadNKlass
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2241 // \|
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2242 // DecodeN
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2243 // \| \|
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2244 // AddP ( base == address )
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2245 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2246 Node *base = addp->in(AddPNode::Base);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2247 if (base->uncast()->is_top()) { // The AddP case #3 and #6.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2248 base = addp->in(AddPNode::Address);
957 159d56b94894 6880574: C2 assert in escape.cpp:445 on linux-amd64 kvn parents: 866 diff changeset	2249 while (base->is_AddP()) {
159d56b94894 6880574: C2 assert in escape.cpp:445 on linux-amd64 kvn parents: 866 diff changeset	2250 // Case #6 (unsafe access) may have several chained AddP nodes.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2251 assert(base->in(AddPNode::Base)->uncast()->is_top(), "expected unsafe access address only");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2252 base = base->in(AddPNode::Address);
957 159d56b94894 6880574: C2 assert in escape.cpp:445 on linux-amd64 kvn parents: 866 diff changeset	2253 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2254 Node* uncast_base = base->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2255 int opcode = uncast_base->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2256 assert(opcode == Op_ConP \|\| opcode == Op_ThreadLocal \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	2257 opcode == Op_CastX2P \|\| uncast_base->is_DecodeNarrowPtr() \|\|
10391 83dcb116fdb1 8015441: runThese crashed with assert(opcode == Op_ConP \|\| opcode == Op_ThreadLocal \|\| opcode == Op_CastX2P ..) failed: sanity kvn parents: 10281 diff changeset	2258 (uncast_base->is_Mem() && (uncast_base->bottom_type()->isa_rawptr() != NULL)) \|\|
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2259 (uncast_base->is_Proj() && uncast_base->in(0)->is_Allocate()), "sanity");
0 a61af66fc99e Initial load duke parents: diff changeset	2260 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2261 return base;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2262 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2263
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2264 Node* ConnectionGraph::find_second_addp(Node* addp, Node* n) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2265 assert(addp->is_AddP() && addp->outcnt() > 0, "Don't process dead nodes");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2266 Node* addp2 = addp->raw_out(0);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2267 if (addp->outcnt() == 1 && addp2->is_AddP() &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2268 addp2->in(AddPNode::Base) == n &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2269 addp2->in(AddPNode::Address) == addp) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2270 assert(addp->in(AddPNode::Base) == n, "expecting the same base");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2271 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2272 // Find array's offset to push it on worklist first and
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2273 // as result process an array's element offset first (pushed second)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2274 // to avoid CastPP for the array's offset.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2275 // Otherwise the inserted CastPP (LocalVar) will point to what
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2276 // the AddP (Field) points to. Which would be wrong since
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2277 // the algorithm expects the CastPP has the same point as
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2278 // as AddP's base CheckCastPP (LocalVar).
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2279 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2280 // ArrayAllocation
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2281 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2282 // CheckCastPP
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2283 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2284 // memProj (from ArrayAllocation CheckCastPP)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2285 // \| \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2286 // \| \|\| Int (element index)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2287 // \| \|\| \| ConI (log(element size))
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2288 // \| \|\| \| /
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2289 // \| \|\| LShift
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2290 // \| \|\| /
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2291 // \| AddP (array's element offset)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2292 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2293 // \| \| ConI (array's offset: #12(32-bits) or #24(64-bits))
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2294 // \| / /
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2295 // AddP (array's offset)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2296 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2297 // Load/Store (memory operation on array's element)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2298 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2299 return addp2;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2300 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2301 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2302 }
a61af66fc99e Initial load duke parents: diff changeset	2303
a61af66fc99e Initial load duke parents: diff changeset	2304 //
a61af66fc99e Initial load duke parents: diff changeset	2305 // Adjust the type and inputs of an AddP which computes the
a61af66fc99e Initial load duke parents: diff changeset	2306 // address of a field of an instance
a61af66fc99e Initial load duke parents: diff changeset	2307 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2308 bool ConnectionGraph::split_AddP(Node addp, Node base) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2309 PhaseGVN* igvn = _igvn;
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2310 const TypeOopPtr *base_t = igvn->type(base)->isa_oopptr();
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2311 assert(base_t != NULL && base_t->is_known_instance(), "expecting instance oopptr");
0 a61af66fc99e Initial load duke parents: diff changeset	2312 const TypeOopPtr *t = igvn->type(addp)->isa_oopptr();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2313 if (t == NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2314 // We are computing a raw address for a store captured by an Initialize
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2315 // compute an appropriate address type (cases #3 and #5).
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2316 assert(igvn->type(addp) == TypeRawPtr::NOTNULL, "must be raw pointer");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2317 assert(addp->in(AddPNode::Address)->is_Proj(), "base of raw address must be result projection from allocation");
306 af945ba2e739 6741738: TypePtr::add_offset() set incorrect offset when the add overflows kvn parents: 293 diff changeset	2318 intptr_t offs = (int)igvn->find_intptr_t_con(addp->in(AddPNode::Offset), Type::OffsetBot);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2319 assert(offs != Type::OffsetBot, "offset must be a constant");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2320 t = base_t->add_offset(offs)->is_oopptr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2321 }
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2322 int inst_id = base_t->instance_id();
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2323 assert(!t->is_known_instance() \|\| t->instance_id() == inst_id,
0 a61af66fc99e Initial load duke parents: diff changeset	2324 "old type must be non-instance or match new type");
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2325
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2326 // The type 't' could be subclass of 'base_t'.
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2327 // As result t->offset() could be large then base_t's size and it will
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2328 // cause the failure in add_offset() with narrow oops since TypeOopPtr()
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2329 // constructor verifies correctness of the offset.
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2330 //
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2331 // It could happened on subclass's branch (from the type profiling
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2332 // inlining) which was not eliminated during parsing since the exactness
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2333 // of the allocation type was not propagated to the subclass type check.
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2334 //
988 7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2335 // Or the type 't' could be not related to 'base_t' at all.
7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2336 // It could happened when CHA type is different from MDO type on a dead path
7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2337 // (for example, from instanceof check) which is not collapsed during parsing.
7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2338 //
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2339 // Do nothing for such AddP node and don't process its users since
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2340 // this code branch will go away.
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2341 //
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2342 if (!t->is_known_instance() &&
988 7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2343 !base_t->klass()->is_subtype_of(t->klass())) {
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2344 return false; // bail out
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2345 }
0 a61af66fc99e Initial load duke parents: diff changeset	2346 const TypeOopPtr *tinst = base_t->add_offset(t->offset())->is_oopptr();
1062 dcdcc8c16e20 6896352: CTW fails hotspot/src/share/vm/opto/escape.cpp:1155 kvn parents: 988 diff changeset	2347 // Do NOT remove the next line: ensure a new alias index is allocated
dcdcc8c16e20 6896352: CTW fails hotspot/src/share/vm/opto/escape.cpp:1155 kvn parents: 988 diff changeset	2348 // for the instance type. Note: C++ will not remove it since the call
dcdcc8c16e20 6896352: CTW fails hotspot/src/share/vm/opto/escape.cpp:1155 kvn parents: 988 diff changeset	2349 // has side effect.
0 a61af66fc99e Initial load duke parents: diff changeset	2350 int alias_idx = _compile->get_alias_index(tinst);
a61af66fc99e Initial load duke parents: diff changeset	2351 igvn->set_type(addp, tinst);
a61af66fc99e Initial load duke parents: diff changeset	2352 // record the allocation in the node map
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2353 set_map(addp, get_map(base->_idx));
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2354 // Set addp's Base and Address to 'base'.
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2355 Node *abase = addp->in(AddPNode::Base);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2356 Node *adr = addp->in(AddPNode::Address);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2357 if (adr->is_Proj() && adr->in(0)->is_Allocate() &&
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2358 adr->in(0)->_idx == (uint)inst_id) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2359 // Skip AddP cases #3 and #5.
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2360 } else {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2361 assert(!abase->is_top(), "sanity"); // AddP case #3
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2362 if (abase != base) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2363 igvn->hash_delete(addp);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2364 addp->set_req(AddPNode::Base, base);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2365 if (abase == adr) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2366 addp->set_req(AddPNode::Address, base);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2367 } else {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2368 // AddP case #4 (adr is array's element offset AddP node)
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2369 #ifdef ASSERT
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2370 const TypeOopPtr *atype = igvn->type(adr)->isa_oopptr();
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2371 assert(adr->is_AddP() && atype != NULL &&
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2372 atype->instance_id() == inst_id, "array's element offset should be processed first");
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2373 #endif
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2374 }
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2375 igvn->hash_insert(addp);
0 a61af66fc99e Initial load duke parents: diff changeset	2376 }
a61af66fc99e Initial load duke parents: diff changeset	2377 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2378 // Put on IGVN worklist since at least addp's type was changed above.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2379 record_for_optimizer(addp);
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2380 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	2381 }
a61af66fc99e Initial load duke parents: diff changeset	2382
a61af66fc99e Initial load duke parents: diff changeset	2383 //
a61af66fc99e Initial load duke parents: diff changeset	2384 // Create a new version of orig_phi if necessary. Returns either the newly
2459 55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2385 // created phi or an existing phi. Sets create_new to indicate whether a new
0 a61af66fc99e Initial load duke parents: diff changeset	2386 // phi was created. Cache the last newly created phi in the node map.
a61af66fc99e Initial load duke parents: diff changeset	2387 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2388 PhiNode ConnectionGraph::create_split_phi(PhiNode orig_phi, int alias_idx, GrowableArray<PhiNode *> &orig_phi_worklist, bool &new_created) {
0 a61af66fc99e Initial load duke parents: diff changeset	2389 Compile *C = _compile;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2390 PhaseGVN* igvn = _igvn;
0 a61af66fc99e Initial load duke parents: diff changeset	2391 new_created = false;
a61af66fc99e Initial load duke parents: diff changeset	2392 int phi_alias_idx = C->get_alias_index(orig_phi->adr_type());
a61af66fc99e Initial load duke parents: diff changeset	2393 // nothing to do if orig_phi is bottom memory or matches alias_idx
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2394 if (phi_alias_idx == alias_idx) {
0 a61af66fc99e Initial load duke parents: diff changeset	2395 return orig_phi;
a61af66fc99e Initial load duke parents: diff changeset	2396 }
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2397 // Have we recently created a Phi for this alias index?
0 a61af66fc99e Initial load duke parents: diff changeset	2398 PhiNode *result = get_map_phi(orig_phi->_idx);
a61af66fc99e Initial load duke parents: diff changeset	2399 if (result != NULL && C->get_alias_index(result->adr_type()) == alias_idx) {
a61af66fc99e Initial load duke parents: diff changeset	2400 return result;
a61af66fc99e Initial load duke parents: diff changeset	2401 }
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2402 // Previous check may fail when the same wide memory Phi was split into Phis
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2403 // for different memory slices. Search all Phis for this region.
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2404 if (result != NULL) {
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2405 Node* region = orig_phi->in(0);
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2406 for (DUIterator_Fast imax, i = region->fast_outs(imax); i < imax; i++) {
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2407 Node* phi = region->fast_out(i);
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2408 if (phi->is_Phi() &&
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2409 C->get_alias_index(phi->as_Phi()->adr_type()) == alias_idx) {
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2410 assert(phi->_idx >= nodes_size(), "only new Phi per instance memory slice");
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2411 return phi->as_Phi();
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2412 }
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2413 }
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2414 }
20671 9e69e8d1c900 8058148: MaxNodeLimit and LiveNodeCountInliningCutoff vlivanov parents: 20585 diff changeset	2415 if (C->live_nodes() + 2*NodeLimitFudgeFactor > C->max_node_limit()) {
38 b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2416 if (C->do_escape_analysis() == true && !C->failing()) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2417 // Retry compilation without escape analysis.
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2418 // If this is the first failure, the sentinel string will "stick"
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2419 // to the Compile object, and the C2Compiler will see it and retry.
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2420 C->record_failure(C2Compiler::retry_no_escape_analysis());
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2421 }
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2422 return NULL;
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2423 }
0 a61af66fc99e Initial load duke parents: diff changeset	2424 orig_phi_worklist.append_if_missing(orig_phi);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2425 const TypePtr *atype = C->get_adr_type(alias_idx);
0 a61af66fc99e Initial load duke parents: diff changeset	2426 result = PhiNode::make(orig_phi->in(0), NULL, Type::MEMORY, atype);
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2427 C->copy_node_notes_to(result, orig_phi);
0 a61af66fc99e Initial load duke parents: diff changeset	2428 igvn->set_type(result, result->bottom_type());
a61af66fc99e Initial load duke parents: diff changeset	2429 record_for_optimizer(result);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2430 set_map(orig_phi, result);
0 a61af66fc99e Initial load duke parents: diff changeset	2431 new_created = true;
a61af66fc99e Initial load duke parents: diff changeset	2432 return result;
a61af66fc99e Initial load duke parents: diff changeset	2433 }
a61af66fc99e Initial load duke parents: diff changeset	2434
a61af66fc99e Initial load duke parents: diff changeset	2435 //
2459 55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2436 // Return a new version of Memory Phi "orig_phi" with the inputs having the
0 a61af66fc99e Initial load duke parents: diff changeset	2437 // specified alias index.
a61af66fc99e Initial load duke parents: diff changeset	2438 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2439 PhiNode ConnectionGraph::split_memory_phi(PhiNode orig_phi, int alias_idx, GrowableArray<PhiNode *> &orig_phi_worklist) {
0 a61af66fc99e Initial load duke parents: diff changeset	2440 assert(alias_idx != Compile::AliasIdxBot, "can't split out bottom memory");
a61af66fc99e Initial load duke parents: diff changeset	2441 Compile *C = _compile;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2442 PhaseGVN* igvn = _igvn;
0 a61af66fc99e Initial load duke parents: diff changeset	2443 bool new_phi_created;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2444 PhiNode *result = create_split_phi(orig_phi, alias_idx, orig_phi_worklist, new_phi_created);
0 a61af66fc99e Initial load duke parents: diff changeset	2445 if (!new_phi_created) {
a61af66fc99e Initial load duke parents: diff changeset	2446 return result;
a61af66fc99e Initial load duke parents: diff changeset	2447 }
a61af66fc99e Initial load duke parents: diff changeset	2448 GrowableArray<PhiNode *> phi_list;
a61af66fc99e Initial load duke parents: diff changeset	2449 GrowableArray<uint> cur_input;
a61af66fc99e Initial load duke parents: diff changeset	2450 PhiNode *phi = orig_phi;
a61af66fc99e Initial load duke parents: diff changeset	2451 uint idx = 1;
a61af66fc99e Initial load duke parents: diff changeset	2452 bool finished = false;
a61af66fc99e Initial load duke parents: diff changeset	2453 while(!finished) {
a61af66fc99e Initial load duke parents: diff changeset	2454 while (idx < phi->req()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2455 Node *mem = find_inst_mem(phi->in(idx), alias_idx, orig_phi_worklist);
0 a61af66fc99e Initial load duke parents: diff changeset	2456 if (mem != NULL && mem->is_Phi()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2457 PhiNode *newphi = create_split_phi(mem->as_Phi(), alias_idx, orig_phi_worklist, new_phi_created);
0 a61af66fc99e Initial load duke parents: diff changeset	2458 if (new_phi_created) {
a61af66fc99e Initial load duke parents: diff changeset	2459 // found an phi for which we created a new split, push current one on worklist and begin
a61af66fc99e Initial load duke parents: diff changeset	2460 // processing new one
a61af66fc99e Initial load duke parents: diff changeset	2461 phi_list.push(phi);
a61af66fc99e Initial load duke parents: diff changeset	2462 cur_input.push(idx);
a61af66fc99e Initial load duke parents: diff changeset	2463 phi = mem->as_Phi();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2464 result = newphi;
0 a61af66fc99e Initial load duke parents: diff changeset	2465 idx = 1;
a61af66fc99e Initial load duke parents: diff changeset	2466 continue;
a61af66fc99e Initial load duke parents: diff changeset	2467 } else {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2468 mem = newphi;
0 a61af66fc99e Initial load duke parents: diff changeset	2469 }
a61af66fc99e Initial load duke parents: diff changeset	2470 }
38 b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2471 if (C->failing()) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2472 return NULL;
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2473 }
0 a61af66fc99e Initial load duke parents: diff changeset	2474 result->set_req(idx++, mem);
a61af66fc99e Initial load duke parents: diff changeset	2475 }
a61af66fc99e Initial load duke parents: diff changeset	2476 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2477 // verify that the new Phi has an input for each input of the original
a61af66fc99e Initial load duke parents: diff changeset	2478 assert( phi->req() == result->req(), "must have same number of inputs.");
a61af66fc99e Initial load duke parents: diff changeset	2479 assert( result->in(0) != NULL && result->in(0) == phi->in(0), "regions must match");
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2480 #endif
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2481 // Check if all new phi's inputs have specified alias index.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2482 // Otherwise use old phi.
0 a61af66fc99e Initial load duke parents: diff changeset	2483 for (uint i = 1; i < phi->req(); i++) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2484 Node* in = result->in(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2485 assert((phi->in(i) == NULL) == (in == NULL), "inputs must correspond.");
0 a61af66fc99e Initial load duke parents: diff changeset	2486 }
a61af66fc99e Initial load duke parents: diff changeset	2487 // we have finished processing a Phi, see if there are any more to do
a61af66fc99e Initial load duke parents: diff changeset	2488 finished = (phi_list.length() == 0 );
a61af66fc99e Initial load duke parents: diff changeset	2489 if (!finished) {
a61af66fc99e Initial load duke parents: diff changeset	2490 phi = phi_list.pop();
a61af66fc99e Initial load duke parents: diff changeset	2491 idx = cur_input.pop();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2492 PhiNode *prev_result = get_map_phi(phi->_idx);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2493 prev_result->set_req(idx++, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2494 result = prev_result;
0 a61af66fc99e Initial load duke parents: diff changeset	2495 }
a61af66fc99e Initial load duke parents: diff changeset	2496 }
a61af66fc99e Initial load duke parents: diff changeset	2497 return result;
a61af66fc99e Initial load duke parents: diff changeset	2498 }
a61af66fc99e Initial load duke parents: diff changeset	2499
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2500 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2501 // The next methods are derived from methods in MemNode.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2502 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2503 Node* ConnectionGraph::step_through_mergemem(MergeMemNode mmem, int alias_idx, const TypeOopPtr toop) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2504 Node *mem = mmem;
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2505 // TypeOopPtr::NOTNULL+any is an OOP with unknown offset - generally
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2506 // means an array I have not precisely typed yet. Do not do any
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2507 // alias stuff with it any time soon.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2508 if (toop->base() != Type::AnyPtr &&
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2509 !(toop->klass() != NULL &&
5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2510 toop->klass()->is_java_lang_Object() &&
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2511 toop->offset() == Type::OffsetBot)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2512 mem = mmem->memory_at(alias_idx);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2513 // Update input if it is progress over what we have now
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2514 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2515 return mem;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2516 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2517
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2518 //
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2519 // Move memory users to their memory slices.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2520 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2521 void ConnectionGraph::move_inst_mem(Node* n, GrowableArray<PhiNode *> &orig_phis) {
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2522 Compile* C = _compile;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2523 PhaseGVN* igvn = _igvn;
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2524 const TypePtr* tp = igvn->type(n->in(MemNode::Address))->isa_ptr();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2525 assert(tp != NULL, "ptr type");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2526 int alias_idx = C->get_alias_index(tp);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2527 int general_idx = C->get_general_index(alias_idx);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2528
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2529 // Move users first
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2530 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2531 Node* use = n->fast_out(i);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2532 if (use->is_MergeMem()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2533 MergeMemNode* mmem = use->as_MergeMem();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2534 assert(n == mmem->memory_at(alias_idx), "should be on instance memory slice");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2535 if (n != mmem->memory_at(general_idx) \|\| alias_idx == general_idx) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2536 continue; // Nothing to do
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2537 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2538 // Replace previous general reference to mem node.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2539 uint orig_uniq = C->unique();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2540 Node* m = find_inst_mem(n, general_idx, orig_phis);
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2541 assert(orig_uniq == C->unique(), "no new nodes");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2542 mmem->set_memory_at(general_idx, m);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2543 --imax;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2544 --i;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2545 } else if (use->is_MemBar()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2546 assert(!use->is_Initialize(), "initializing stores should not be moved");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2547 if (use->req() > MemBarNode::Precedent &&
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2548 use->in(MemBarNode::Precedent) == n) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2549 // Don't move related membars.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2550 record_for_optimizer(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2551 continue;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2552 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2553 tp = use->as_MemBar()->adr_type()->isa_ptr();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2554 if (tp != NULL && C->get_alias_index(tp) == alias_idx \|\|
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2555 alias_idx == general_idx) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2556 continue; // Nothing to do
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2557 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2558 // Move to general memory slice.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2559 uint orig_uniq = C->unique();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2560 Node* m = find_inst_mem(n, general_idx, orig_phis);
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2561 assert(orig_uniq == C->unique(), "no new nodes");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2562 igvn->hash_delete(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2563 imax -= use->replace_edge(n, m);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2564 igvn->hash_insert(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2565 record_for_optimizer(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2566 --i;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2567 #ifdef ASSERT
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2568 } else if (use->is_Mem()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2569 if (use->Opcode() == Op_StoreCM && use->in(MemNode::OopStore) == n) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2570 // Don't move related cardmark.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2571 continue;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2572 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2573 // Memory nodes should have new memory input.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2574 tp = igvn->type(use->in(MemNode::Address))->isa_ptr();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2575 assert(tp != NULL, "ptr type");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2576 int idx = C->get_alias_index(tp);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2577 assert(get_map(use->_idx) != NULL \|\| idx == alias_idx,
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2578 "Following memory nodes should have new memory input or be on the same memory slice");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2579 } else if (use->is_Phi()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2580 // Phi nodes should be split and moved already.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2581 tp = use->as_Phi()->adr_type()->isa_ptr();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2582 assert(tp != NULL, "ptr type");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2583 int idx = C->get_alias_index(tp);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2584 assert(idx == alias_idx, "Following Phi nodes should be on the same memory slice");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2585 } else {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2586 use->dump();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2587 assert(false, "should not be here");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2588 #endif
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2589 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2590 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2591 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2592
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2593 //
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2594 // Search memory chain of "mem" to find a MemNode whose address
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2595 // is the specified alias index.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2596 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2597 Node* ConnectionGraph::find_inst_mem(Node orig_mem, int alias_idx, GrowableArray<PhiNode > &orig_phis) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2598 if (orig_mem == NULL)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2599 return orig_mem;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2600 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2601 PhaseGVN* igvn = _igvn;
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2602 const TypeOopPtr *toop = C->get_adr_type(alias_idx)->isa_oopptr();
5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2603 bool is_instance = (toop != NULL) && toop->is_known_instance();
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2604 Node *start_mem = C->start()->proj_out(TypeFunc::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2605 Node *prev = NULL;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2606 Node *result = orig_mem;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2607 while (prev != result) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2608 prev = result;
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2609 if (result == start_mem)
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2610 break; // hit one of our sentinels
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2611 if (result->is_Mem()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2612 const Type *at = igvn->type(result->in(MemNode::Address));
2459 55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2613 if (at == Type::TOP)
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2614 break; // Dead
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2615 assert (at->isa_ptr() != NULL, "pointer type required.");
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2616 int idx = C->get_alias_index(at->is_ptr());
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2617 if (idx == alias_idx)
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2618 break; // Found
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2619 if (!is_instance && (at->isa_oopptr() == NULL \|\|
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2620 !at->is_oopptr()->is_known_instance())) {
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2621 break; // Do not skip store to general memory slice.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2622 }
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2623 result = result->in(MemNode::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2624 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2625 if (!is_instance)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2626 continue; // don't search further for non-instance types
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2627 // skip over a call which does not affect this memory slice
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2628 if (result->is_Proj() && result->as_Proj()->_con == TypeFunc::Memory) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2629 Node *proj_in = result->in(0);
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2630 if (proj_in->is_Allocate() && proj_in->_idx == (uint)toop->instance_id()) {
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2631 break; // hit one of our sentinels
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2632 } else if (proj_in->is_Call()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2633 CallNode *call = proj_in->as_Call();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2634 if (!call->may_modify(toop, igvn)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2635 result = call->in(TypeFunc::Memory);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2636 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2637 } else if (proj_in->is_Initialize()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2638 AllocateNode* alloc = proj_in->as_Initialize()->allocation();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2639 // Stop if this is the initialization for the object instance which
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2640 // which contains this memory slice, otherwise skip over it.
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2641 if (alloc == NULL \|\| alloc->_idx != (uint)toop->instance_id()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2642 result = proj_in->in(TypeFunc::Memory);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2643 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2644 } else if (proj_in->is_MemBar()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2645 result = proj_in->in(TypeFunc::Memory);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2646 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2647 } else if (result->is_MergeMem()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2648 MergeMemNode *mmem = result->as_MergeMem();
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2649 result = step_through_mergemem(mmem, alias_idx, toop);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2650 if (result == mmem->base_memory()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2651 // Didn't find instance memory, search through general slice recursively.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2652 result = mmem->memory_at(C->get_general_index(alias_idx));
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2653 result = find_inst_mem(result, alias_idx, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2654 if (C->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2655 return NULL;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2656 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2657 mmem->set_memory_at(alias_idx, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2658 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2659 } else if (result->is_Phi() &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2660 C->get_alias_index(result->as_Phi()->adr_type()) != alias_idx) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2661 Node *un = result->as_Phi()->unique_input(igvn);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2662 if (un != NULL) {
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2663 orig_phis.append_if_missing(result->as_Phi());
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2664 result = un;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2665 } else {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2666 break;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2667 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2668 } else if (result->is_ClearArray()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2669 if (!ClearArrayNode::step_through(&result, (uint)toop->instance_id(), igvn)) {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2670 // Can not bypass initialization of the instance
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2671 // we are looking for.
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2672 break;
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2673 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2674 // Otherwise skip it (the call updated 'result' value).
584 49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2675 } else if (result->Opcode() == Op_SCMemProj) {
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2676 Node* mem = result->in(0);
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2677 Node* adr = NULL;
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2678 if (mem->is_LoadStore()) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2679 adr = mem->in(MemNode::Address);
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2680 } else {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2681 assert(mem->Opcode() == Op_EncodeISOArray, "sanity");
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2682 adr = mem->in(3); // Memory edge corresponds to destination array
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2683 }
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2684 const Type *at = igvn->type(adr);
584 49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2685 if (at != Type::TOP) {
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2686 assert (at->isa_ptr() != NULL, "pointer type required.");
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2687 int idx = C->get_alias_index(at->is_ptr());
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2688 assert(idx != alias_idx, "Object is not scalar replaceable if a LoadStore node access its field");
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2689 break;
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2690 }
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	2691 result = mem->in(MemNode::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2692 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2693 }
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2694 if (result->is_Phi()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2695 PhiNode *mphi = result->as_Phi();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2696 assert(mphi->bottom_type() == Type::MEMORY, "memory phi required");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2697 const TypePtr *t = mphi->adr_type();
2459 55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2698 if (!is_instance) {
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2699 // Push all non-instance Phis on the orig_phis worklist to update inputs
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2700 // during Phase 4 if needed.
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2701 orig_phis.append_if_missing(mphi);
2459 55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2702 } else if (C->get_alias_index(t) != alias_idx) {
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2703 // Create a new Phi with the specified alias index type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2704 result = split_memory_phi(mphi, alias_idx, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2705 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2706 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2707 // the result is either MemNode, PhiNode, InitializeNode.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2708 return result;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2709 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2710
0 a61af66fc99e Initial load duke parents: diff changeset	2711 //
a61af66fc99e Initial load duke parents: diff changeset	2712 // Convert the types of unescaped object to instance types where possible,
a61af66fc99e Initial load duke parents: diff changeset	2713 // propagate the new type information through the graph, and update memory
a61af66fc99e Initial load duke parents: diff changeset	2714 // edges and MergeMem inputs to reflect the new type.
a61af66fc99e Initial load duke parents: diff changeset	2715 //
a61af66fc99e Initial load duke parents: diff changeset	2716 // We start with allocations (and calls which may be allocations) on alloc_worklist.
a61af66fc99e Initial load duke parents: diff changeset	2717 // The processing is done in 4 phases:
a61af66fc99e Initial load duke parents: diff changeset	2718 //
a61af66fc99e Initial load duke parents: diff changeset	2719 // Phase 1: Process possible allocations from alloc_worklist. Create instance
a61af66fc99e Initial load duke parents: diff changeset	2720 // types for the CheckCastPP for allocations where possible.
a61af66fc99e Initial load duke parents: diff changeset	2721 // Propagate the the new types through users as follows:
a61af66fc99e Initial load duke parents: diff changeset	2722 // casts and Phi: push users on alloc_worklist
a61af66fc99e Initial load duke parents: diff changeset	2723 // AddP: cast Base and Address inputs to the instance type
a61af66fc99e Initial load duke parents: diff changeset	2724 // push any AddP users on alloc_worklist and push any memnode
a61af66fc99e Initial load duke parents: diff changeset	2725 // users onto memnode_worklist.
a61af66fc99e Initial load duke parents: diff changeset	2726 // Phase 2: Process MemNode's from memnode_worklist. compute new address type and
a61af66fc99e Initial load duke parents: diff changeset	2727 // search the Memory chain for a store with the appropriate type
a61af66fc99e Initial load duke parents: diff changeset	2728 // address type. If a Phi is found, create a new version with
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2729 // the appropriate memory slices from each of the Phi inputs.
0 a61af66fc99e Initial load duke parents: diff changeset	2730 // For stores, process the users as follows:
a61af66fc99e Initial load duke parents: diff changeset	2731 // MemNode: push on memnode_worklist
a61af66fc99e Initial load duke parents: diff changeset	2732 // MergeMem: push on mergemem_worklist
a61af66fc99e Initial load duke parents: diff changeset	2733 // Phase 3: Process MergeMem nodes from mergemem_worklist. Walk each memory slice
a61af66fc99e Initial load duke parents: diff changeset	2734 // moving the first node encountered of each instance type to the
a61af66fc99e Initial load duke parents: diff changeset	2735 // the input corresponding to its alias index.
a61af66fc99e Initial load duke parents: diff changeset	2736 // appropriate memory slice.
a61af66fc99e Initial load duke parents: diff changeset	2737 // Phase 4: Update the inputs of non-instance memory Phis and the Memory input of memnodes.
a61af66fc99e Initial load duke parents: diff changeset	2738 //
a61af66fc99e Initial load duke parents: diff changeset	2739 // In the following example, the CheckCastPP nodes are the cast of allocation
a61af66fc99e Initial load duke parents: diff changeset	2740 // results and the allocation of node 29 is unescaped and eligible to be an
a61af66fc99e Initial load duke parents: diff changeset	2741 // instance type.
a61af66fc99e Initial load duke parents: diff changeset	2742 //
a61af66fc99e Initial load duke parents: diff changeset	2743 // We start with:
a61af66fc99e Initial load duke parents: diff changeset	2744 //
a61af66fc99e Initial load duke parents: diff changeset	2745 // 7 Parm #memory
a61af66fc99e Initial load duke parents: diff changeset	2746 // 10 ConI "12"
a61af66fc99e Initial load duke parents: diff changeset	2747 // 19 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2748 // 20 AddP _ 19 19 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2749 // 29 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2750 // 30 AddP _ 29 29 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2751 //
a61af66fc99e Initial load duke parents: diff changeset	2752 // 40 StoreP 25 7 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2753 // 50 StoreP 35 40 30 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2754 // 60 StoreP 45 50 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2755 // 70 LoadP _ 60 30 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2756 // 80 Phi 75 50 60 Memory alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2757 // 90 LoadP _ 80 30 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2758 // 100 LoadP _ 80 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2759 //
a61af66fc99e Initial load duke parents: diff changeset	2760 //
a61af66fc99e Initial load duke parents: diff changeset	2761 // Phase 1 creates an instance type for node 29 assigning it an instance id of 24
a61af66fc99e Initial load duke parents: diff changeset	2762 // and creating a new alias index for node 30. This gives:
a61af66fc99e Initial load duke parents: diff changeset	2763 //
a61af66fc99e Initial load duke parents: diff changeset	2764 // 7 Parm #memory
a61af66fc99e Initial load duke parents: diff changeset	2765 // 10 ConI "12"
a61af66fc99e Initial load duke parents: diff changeset	2766 // 19 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2767 // 20 AddP _ 19 19 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2768 // 29 CheckCastPP "Foo" iid=24
a61af66fc99e Initial load duke parents: diff changeset	2769 // 30 AddP _ 29 29 10 Foo+12 alias_index=6 iid=24
a61af66fc99e Initial load duke parents: diff changeset	2770 //
a61af66fc99e Initial load duke parents: diff changeset	2771 // 40 StoreP 25 7 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2772 // 50 StoreP 35 40 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2773 // 60 StoreP 45 50 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2774 // 70 LoadP _ 60 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2775 // 80 Phi 75 50 60 Memory alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2776 // 90 LoadP _ 80 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2777 // 100 LoadP _ 80 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2778 //
a61af66fc99e Initial load duke parents: diff changeset	2779 // In phase 2, new memory inputs are computed for the loads and stores,
a61af66fc99e Initial load duke parents: diff changeset	2780 // And a new version of the phi is created. In phase 4, the inputs to
a61af66fc99e Initial load duke parents: diff changeset	2781 // node 80 are updated and then the memory nodes are updated with the
a61af66fc99e Initial load duke parents: diff changeset	2782 // values computed in phase 2. This results in:
a61af66fc99e Initial load duke parents: diff changeset	2783 //
a61af66fc99e Initial load duke parents: diff changeset	2784 // 7 Parm #memory
a61af66fc99e Initial load duke parents: diff changeset	2785 // 10 ConI "12"
a61af66fc99e Initial load duke parents: diff changeset	2786 // 19 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2787 // 20 AddP _ 19 19 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2788 // 29 CheckCastPP "Foo" iid=24
a61af66fc99e Initial load duke parents: diff changeset	2789 // 30 AddP _ 29 29 10 Foo+12 alias_index=6 iid=24
a61af66fc99e Initial load duke parents: diff changeset	2790 //
a61af66fc99e Initial load duke parents: diff changeset	2791 // 40 StoreP 25 7 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2792 // 50 StoreP 35 7 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2793 // 60 StoreP 45 40 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2794 // 70 LoadP _ 50 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2795 // 80 Phi 75 40 60 Memory alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2796 // 120 Phi 75 50 50 Memory alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2797 // 90 LoadP _ 120 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2798 // 100 LoadP _ 80 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2799 //
a61af66fc99e Initial load duke parents: diff changeset	2800 void ConnectionGraph::split_unique_types(GrowableArray<Node *> &alloc_worklist) {
a61af66fc99e Initial load duke parents: diff changeset	2801 GrowableArray<Node *> memnode_worklist;
a61af66fc99e Initial load duke parents: diff changeset	2802 GrowableArray<PhiNode *> orig_phis;
1921 e4fcbeb5a698 6991188: C2 Crashes while compiling method kvn parents: 1815 diff changeset	2803 PhaseIterGVN *igvn = _igvn;
0 a61af66fc99e Initial load duke parents: diff changeset	2804 uint new_index_start = (uint) _compile->num_alias_types();
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2805 Arena* arena = Thread::current()->resource_area();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2806 VectorSet visited(arena);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2807 ideal_nodes.clear(); // Reset for use with set_map/get_map.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2808 uint unique_old = _compile->unique();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2809
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2810 // Phase 1: Process possible allocations from alloc_worklist.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2811 // Create instance types for the CheckCastPP for allocations where possible.
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2812 //
524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2813 // (Note: don't forget to change the order of the second AddP node on
524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2814 // the alloc_worklist if the order of the worklist processing is changed,
524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2815 // see the comment in find_second_addp().)
524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2816 //
0 a61af66fc99e Initial load duke parents: diff changeset	2817 while (alloc_worklist.length() != 0) {
a61af66fc99e Initial load duke parents: diff changeset	2818 Node *n = alloc_worklist.pop();
a61af66fc99e Initial load duke parents: diff changeset	2819 uint ni = n->_idx;
a61af66fc99e Initial load duke parents: diff changeset	2820 if (n->is_Call()) {
a61af66fc99e Initial load duke parents: diff changeset	2821 CallNode *alloc = n->as_Call();
a61af66fc99e Initial load duke parents: diff changeset	2822 // copy escape information to call node
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2823 PointsToNode* ptn = ptnode_adr(alloc->_idx);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2824 PointsToNode::EscapeState es = ptn->escape_state();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2825 // We have an allocation or call which returns a Java object,
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2826 // see if it is unescaped.
4058 59e515ee9354 7059047: EA: can't find initializing store with several CheckCastPP kvn parents: 4046 diff changeset	2827 if (es != PointsToNode::NoEscape \|\| !ptn->scalar_replaceable())
0 a61af66fc99e Initial load duke parents: diff changeset	2828 continue;
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2829 // Find CheckCastPP for the allocate or for the return value of a call
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2830 n = alloc->result_cast();
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2831 if (n == NULL) { // No uses except Initialize node
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2832 if (alloc->is_Allocate()) {
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2833 // Set the scalar_replaceable flag for allocation
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2834 // so it could be eliminated if it has no uses.
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2835 alloc->as_Allocate()->_is_scalar_replaceable = true;
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2836 }
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2837 if (alloc->is_CallStaticJava()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2838 // Set the scalar_replaceable flag for boxing method
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2839 // so it could be eliminated if it has no uses.
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2840 alloc->as_CallStaticJava()->_is_scalar_replaceable = true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2841 }
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2842 continue;
39 76256d272075 6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation kvn parents: 38 diff changeset	2843 }
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2844 if (!n->is_CheckCastPP()) { // not unique CheckCastPP.
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2845 assert(!alloc->is_Allocate(), "allocation should have unique type");
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2846 continue;
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2847 }
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2848
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2849 // The inline code for Object.clone() casts the allocation result to
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2850 // java.lang.Object and then to the actual type of the allocated
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2851 // object. Detect this case and use the second cast.
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2852 // Also detect j.l.reflect.Array.newInstance(jobject, jint) case when
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2853 // the allocation result is cast to java.lang.Object and then
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2854 // to the actual Array type.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2855 if (alloc->is_Allocate() && n->as_Type()->type() == TypeInstPtr::NOTNULL
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2856 && (alloc->is_AllocateArray() \|\|
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2857 igvn->type(alloc->in(AllocateNode::KlassNode)) != TypeKlassPtr::OBJECT)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2858 Node *cast2 = NULL;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2859 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2860 Node *use = n->fast_out(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2861 if (use->is_CheckCastPP()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2862 cast2 = use;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2863 break;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2864 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2865 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2866 if (cast2 != NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2867 n = cast2;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2868 } else {
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2869 // Non-scalar replaceable if the allocation type is unknown statically
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2870 // (reflection allocation), the object can't be restored during
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2871 // deoptimization without precise type.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2872 continue;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2873 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2874 }
20572 87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2875
87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2876 const TypeOopPtr *t = igvn->type(n)->isa_oopptr();
87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2877 if (t == NULL)
87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2878 continue; // not a TypeOopPtr
87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2879 if (!t->klass_is_exact())
87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2880 continue; // not an unique type
87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2881
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2882 if (alloc->is_Allocate()) {
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2883 // Set the scalar_replaceable flag for allocation
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2884 // so it could be eliminated.
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2885 alloc->as_Allocate()->_is_scalar_replaceable = true;
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2886 }
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2887 if (alloc->is_CallStaticJava()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2888 // Set the scalar_replaceable flag for boxing method
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2889 // so it could be eliminated.
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2890 alloc->as_CallStaticJava()->_is_scalar_replaceable = true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	2891 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2892 set_escape_state(ptnode_adr(n->_idx), es); // CheckCastPP escape state
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2893 // in order for an object to be scalar-replaceable, it must be:
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2894 // - a direct allocation (not a call returning an object)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2895 // - non-escaping
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2896 // - eligible to be a unique type
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2897 // - not determined to be ineligible by escape analysis
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2898 set_map(alloc, n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2899 set_map(n, alloc);
20572 87f199a9c1b1 8058825: EA: ConnectionGraph::split_unique_types does incorrect scalar replacement vlivanov parents: 20438 diff changeset	2900 const TypeOopPtr* tinst = t->cast_to_instance_id(ni);
0 a61af66fc99e Initial load duke parents: diff changeset	2901 igvn->hash_delete(n);
a61af66fc99e Initial load duke parents: diff changeset	2902 igvn->set_type(n, tinst);
a61af66fc99e Initial load duke parents: diff changeset	2903 n->raise_bottom_type(tinst);
a61af66fc99e Initial load duke parents: diff changeset	2904 igvn->hash_insert(n);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2905 record_for_optimizer(n);
4058 59e515ee9354 7059047: EA: can't find initializing store with several CheckCastPP kvn parents: 4046 diff changeset	2906 if (alloc->is_Allocate() && (t->isa_instptr() \|\| t->isa_aryptr())) {
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2907
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2908 // First, put on the worklist all Field edges from Connection Graph
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2909 // which is more accurate then putting immediate users from Ideal Graph.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2910 for (EdgeIterator e(ptn); e.has_next(); e.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2911 PointsToNode* tgt = e.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2912 Node* use = tgt->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2913 assert(tgt->is_Field() && use->is_AddP(),
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2914 "only AddP nodes are Field edges in CG");
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2915 if (use->outcnt() > 0) { // Don't process dead nodes
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2916 Node* addp2 = find_second_addp(use, use->in(AddPNode::Base));
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2917 if (addp2 != NULL) {
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2918 assert(alloc->is_AllocateArray(),"array allocation was expected");
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2919 alloc_worklist.append_if_missing(addp2);
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2920 }
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2921 alloc_worklist.append_if_missing(use);
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2922 }
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2923 }
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2924
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2925 // An allocation may have an Initialize which has raw stores. Scan
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2926 // the users of the raw allocation result and push AddP users
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2927 // on alloc_worklist.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2928 Node *raw_result = alloc->proj_out(TypeFunc::Parms);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2929 assert (raw_result != NULL, "must have an allocation result");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2930 for (DUIterator_Fast imax, i = raw_result->fast_outs(imax); i < imax; i++) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2931 Node *use = raw_result->fast_out(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2932 if (use->is_AddP() && use->outcnt() > 0) { // Don't process dead nodes
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2933 Node* addp2 = find_second_addp(use, raw_result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2934 if (addp2 != NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2935 assert(alloc->is_AllocateArray(),"array allocation was expected");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2936 alloc_worklist.append_if_missing(addp2);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2937 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2938 alloc_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2939 } else if (use->is_MemBar()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2940 memnode_worklist.append_if_missing(use);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2941 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2942 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2943 }
0 a61af66fc99e Initial load duke parents: diff changeset	2944 } else if (n->is_AddP()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2945 JavaObjectNode* jobj = unique_java_object(get_addp_base(n));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2946 if (jobj == NULL \|\| jobj == phantom_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2947 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2948 ptnode_adr(get_addp_base(n)->_idx)->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2949 ptnode_adr(n->_idx)->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2950 assert(jobj != NULL && jobj != phantom_obj, "escaped allocation");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2951 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2952 _compile->record_failure(C2Compiler::retry_no_escape_analysis());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2953 return;
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2954 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2955 Node *base = get_map(jobj->idx()); // CheckCastPP node
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2956 if (!split_AddP(n, base)) continue; // wrong type from dead path
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2957 } else if (n->is_Phi() \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2958 n->is_CheckCastPP() \|\|
168 7793bd37a336 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops kvn parents: 164 diff changeset	2959 n->is_EncodeP() \|\|
7793bd37a336 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops kvn parents: 164 diff changeset	2960 n->is_DecodeN() \|\|
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2961 (n->is_ConstraintCast() && n->Opcode() == Op_CastPP)) {
0 a61af66fc99e Initial load duke parents: diff changeset	2962 if (visited.test_set(n->_idx)) {
a61af66fc99e Initial load duke parents: diff changeset	2963 assert(n->is_Phi(), "loops only through Phi's");
a61af66fc99e Initial load duke parents: diff changeset	2964 continue; // already processed
a61af66fc99e Initial load duke parents: diff changeset	2965 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2966 JavaObjectNode* jobj = unique_java_object(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2967 if (jobj == NULL \|\| jobj == phantom_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2968 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2969 ptnode_adr(n->_idx)->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2970 assert(jobj != NULL && jobj != phantom_obj, "escaped allocation");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2971 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2972 _compile->record_failure(C2Compiler::retry_no_escape_analysis());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2973 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2974 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2975 Node *val = get_map(jobj->idx()); // CheckCastPP node
0 a61af66fc99e Initial load duke parents: diff changeset	2976 TypeNode *tn = n->as_Type();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2977 const TypeOopPtr* tinst = igvn->type(val)->isa_oopptr();
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2978 assert(tinst != NULL && tinst->is_known_instance() &&
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2979 tinst->instance_id() == jobj->idx() , "instance type expected.");
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2980
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2981 const Type *tn_type = igvn->type(tn);
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2982 const TypeOopPtr *tn_t;
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2983 if (tn_type->isa_narrowoop()) {
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2984 tn_t = tn_type->make_ptr()->isa_oopptr();
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2985 } else {
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2986 tn_t = tn_type->isa_oopptr();
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2987 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2988 if (tn_t != NULL && tinst->klass()->is_subtype_of(tn_t->klass())) {
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2989 if (tn_type->isa_narrowoop()) {
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2990 tn_type = tinst->make_narrowoop();
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2991 } else {
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2992 tn_type = tinst;
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2993 }
0 a61af66fc99e Initial load duke parents: diff changeset	2994 igvn->hash_delete(tn);
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2995 igvn->set_type(tn, tn_type);
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2996 tn->set_type(tn_type);
0 a61af66fc99e Initial load duke parents: diff changeset	2997 igvn->hash_insert(tn);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2998 record_for_optimizer(n);
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2999 } else {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3000 assert(tn_type == TypePtr::NULL_PTR \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3001 tn_t != NULL && !tinst->klass()->is_subtype_of(tn_t->klass()),
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3002 "unexpected type");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3003 continue; // Skip dead path with different type
0 a61af66fc99e Initial load duke parents: diff changeset	3004 }
a61af66fc99e Initial load duke parents: diff changeset	3005 }
a61af66fc99e Initial load duke parents: diff changeset	3006 } else {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3007 debug_only(n->dump();)
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3008 assert(false, "EA: unexpected node");
0 a61af66fc99e Initial load duke parents: diff changeset	3009 continue;
a61af66fc99e Initial load duke parents: diff changeset	3010 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3011 // push allocation's users on appropriate worklist
0 a61af66fc99e Initial load duke parents: diff changeset	3012 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	3013 Node *use = n->fast_out(i);
a61af66fc99e Initial load duke parents: diff changeset	3014 if(use->is_Mem() && use->in(MemNode::Address) == n) {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3015 // Load/store to instance's field
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3016 memnode_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3017 } else if (use->is_MemBar()) {
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3018 if (use->in(TypeFunc::Memory) == n) { // Ignore precedent edge
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3019 memnode_worklist.append_if_missing(use);
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3020 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3021 } else if (use->is_AddP() && use->outcnt() > 0) { // No dead nodes
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3022 Node* addp2 = find_second_addp(use, n);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3023 if (addp2 != NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3024 alloc_worklist.append_if_missing(addp2);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3025 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3026 alloc_worklist.append_if_missing(use);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3027 } else if (use->is_Phi() \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3028 use->is_CheckCastPP() \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	3029 use->is_EncodeNarrowPtr() \|\|
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	3030 use->is_DecodeNarrowPtr() \|\|
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3031 (use->is_ConstraintCast() && use->Opcode() == Op_CastPP)) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3032 alloc_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3033 #ifdef ASSERT
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3034 } else if (use->is_Mem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3035 assert(use->in(MemNode::Address) != n, "EA: missing allocation reference path");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3036 } else if (use->is_MergeMem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3037 assert(_mergemem_worklist.contains(use->as_MergeMem()), "EA: missing MergeMem node in the worklist");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3038 } else if (use->is_SafePoint()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3039 // Look for MergeMem nodes for calls which reference unique allocation
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3040 // (through CheckCastPP nodes) even for debug info.
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3041 Node* m = use->in(TypeFunc::Memory);
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3042 if (m->is_MergeMem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3043 assert(_mergemem_worklist.contains(m->as_MergeMem()), "EA: missing MergeMem node in the worklist");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3044 }
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3045 } else if (use->Opcode() == Op_EncodeISOArray) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3046 if (use->in(MemNode::Memory) == n \|\| use->in(3) == n) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3047 // EncodeISOArray overwrites destination array
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3048 memnode_worklist.append_if_missing(use);
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3049 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3050 } else {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3051 uint op = use->Opcode();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3052 if (!(op == Op_CmpP \|\| op == Op_Conv2B \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3053 op == Op_CastP2X \|\| op == Op_StoreCM \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3054 op == Op_FastLock \|\| op == Op_AryEq \|\| op == Op_StrComp \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3055 op == Op_StrEquals \|\| op == Op_StrIndexOf)) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3056 n->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3057 use->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3058 assert(false, "EA: missing allocation reference path");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3059 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3060 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	3061 }
a61af66fc99e Initial load duke parents: diff changeset	3062 }
a61af66fc99e Initial load duke parents: diff changeset	3063
a61af66fc99e Initial load duke parents: diff changeset	3064 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3065 // New alias types were created in split_AddP().
0 a61af66fc99e Initial load duke parents: diff changeset	3066 uint new_index_end = (uint) _compile->num_alias_types();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3067 assert(unique_old == _compile->unique(), "there should be no new ideal nodes after Phase 1");
0 a61af66fc99e Initial load duke parents: diff changeset	3068
a61af66fc99e Initial load duke parents: diff changeset	3069 // Phase 2: Process MemNode's from memnode_worklist. compute new address type and
a61af66fc99e Initial load duke parents: diff changeset	3070 // compute new values for Memory inputs (the Memory inputs are not
a61af66fc99e Initial load duke parents: diff changeset	3071 // actually updated until phase 4.)
a61af66fc99e Initial load duke parents: diff changeset	3072 if (memnode_worklist.length() == 0)
a61af66fc99e Initial load duke parents: diff changeset	3073 return; // nothing to do
a61af66fc99e Initial load duke parents: diff changeset	3074 while (memnode_worklist.length() != 0) {
a61af66fc99e Initial load duke parents: diff changeset	3075 Node *n = memnode_worklist.pop();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3076 if (visited.test_set(n->_idx))
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3077 continue;
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3078 if (n->is_Phi() \|\| n->is_ClearArray()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3079 // we don't need to do anything, but the users must be pushed
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3080 } else if (n->is_MemBar()) { // Initialize, MemBar nodes
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3081 // we don't need to do anything, but the users must be pushed
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3082 n = n->as_MemBar()->proj_out(TypeFunc::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3083 if (n == NULL)
0 a61af66fc99e Initial load duke parents: diff changeset	3084 continue;
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3085 } else if (n->Opcode() == Op_EncodeISOArray) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3086 // get the memory projection
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3087 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3088 Node *use = n->fast_out(i);
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3089 if (use->Opcode() == Op_SCMemProj) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3090 n = use;
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3091 break;
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3092 }
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3093 }
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3094 assert(n->Opcode() == Op_SCMemProj, "memory projection required");
0 a61af66fc99e Initial load duke parents: diff changeset	3095 } else {
a61af66fc99e Initial load duke parents: diff changeset	3096 assert(n->is_Mem(), "memory node required.");
a61af66fc99e Initial load duke parents: diff changeset	3097 Node *addr = n->in(MemNode::Address);
a61af66fc99e Initial load duke parents: diff changeset	3098 const Type *addr_t = igvn->type(addr);
a61af66fc99e Initial load duke parents: diff changeset	3099 if (addr_t == Type::TOP)
a61af66fc99e Initial load duke parents: diff changeset	3100 continue;
a61af66fc99e Initial load duke parents: diff changeset	3101 assert (addr_t->isa_ptr() != NULL, "pointer type required.");
a61af66fc99e Initial load duke parents: diff changeset	3102 int alias_idx = _compile->get_alias_index(addr_t->is_ptr());
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3103 assert ((uint)alias_idx < new_index_end, "wrong alias index");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3104 Node *mem = find_inst_mem(n->in(MemNode::Memory), alias_idx, orig_phis);
38 b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	3105 if (_compile->failing()) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	3106 return;
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	3107 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3108 if (mem != n->in(MemNode::Memory)) {
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3109 // We delay the memory edge update since we need old one in
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3110 // MergeMem code below when instances memory slices are separated.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3111 set_map(n, mem);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3112 }
0 a61af66fc99e Initial load duke parents: diff changeset	3113 if (n->is_Load()) {
a61af66fc99e Initial load duke parents: diff changeset	3114 continue; // don't push users
a61af66fc99e Initial load duke parents: diff changeset	3115 } else if (n->is_LoadStore()) {
a61af66fc99e Initial load duke parents: diff changeset	3116 // get the memory projection
a61af66fc99e Initial load duke parents: diff changeset	3117 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	3118 Node *use = n->fast_out(i);
a61af66fc99e Initial load duke parents: diff changeset	3119 if (use->Opcode() == Op_SCMemProj) {
a61af66fc99e Initial load duke parents: diff changeset	3120 n = use;
a61af66fc99e Initial load duke parents: diff changeset	3121 break;
a61af66fc99e Initial load duke parents: diff changeset	3122 }
a61af66fc99e Initial load duke parents: diff changeset	3123 }
a61af66fc99e Initial load duke parents: diff changeset	3124 assert(n->Opcode() == Op_SCMemProj, "memory projection required");
a61af66fc99e Initial load duke parents: diff changeset	3125 }
a61af66fc99e Initial load duke parents: diff changeset	3126 }
a61af66fc99e Initial load duke parents: diff changeset	3127 // push user on appropriate worklist
a61af66fc99e Initial load duke parents: diff changeset	3128 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	3129 Node *use = n->fast_out(i);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3130 if (use->is_Phi() \|\| use->is_ClearArray()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3131 memnode_worklist.append_if_missing(use);
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3132 } else if (use->is_Mem() && use->in(MemNode::Memory) == n) {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3133 if (use->Opcode() == Op_StoreCM) // Ignore cardmark stores
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3134 continue;
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3135 memnode_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3136 } else if (use->is_MemBar()) {
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3137 if (use->in(TypeFunc::Memory) == n) { // Ignore precedent edge
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3138 memnode_worklist.append_if_missing(use);
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3139 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3140 #ifdef ASSERT
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3141 } else if(use->is_Mem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3142 assert(use->in(MemNode::Memory) != n, "EA: missing memory path");
0 a61af66fc99e Initial load duke parents: diff changeset	3143 } else if (use->is_MergeMem()) {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3144 assert(_mergemem_worklist.contains(use->as_MergeMem()), "EA: missing MergeMem node in the worklist");
7637 b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3145 } else if (use->Opcode() == Op_EncodeISOArray) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3146 if (use->in(MemNode::Memory) == n \|\| use->in(3) == n) {
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3147 // EncodeISOArray overwrites destination array
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3148 memnode_worklist.append_if_missing(use);
b30b3c2a0cf2 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 kvn parents: 7196 diff changeset	3149 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3150 } else {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3151 uint op = use->Opcode();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3152 if (!(op == Op_StoreCM \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3153 (op == Op_CallLeaf && use->as_CallLeaf()->_name != NULL &&
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3154 strcmp(use->as_CallLeaf()->_name, "g1_wb_pre") == 0) \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3155 op == Op_AryEq \|\| op == Op_StrComp \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3156 op == Op_StrEquals \|\| op == Op_StrIndexOf)) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3157 n->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3158 use->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3159 assert(false, "EA: missing memory path");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3160 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3161 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	3162 }
a61af66fc99e Initial load duke parents: diff changeset	3163 }
a61af66fc99e Initial load duke parents: diff changeset	3164 }
a61af66fc99e Initial load duke parents: diff changeset	3165
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3166 // Phase 3: Process MergeMem nodes from mergemem_worklist.
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3167 // Walk each memory slice moving the first node encountered of each
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3168 // instance type to the the input corresponding to its alias index.
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3169 uint length = _mergemem_worklist.length();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3170 for( uint next = 0; next < length; ++next ) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3171 MergeMemNode* nmm = _mergemem_worklist.at(next);
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3172 assert(!visited.test_set(nmm->_idx), "should not be visited before");
0 a61af66fc99e Initial load duke parents: diff changeset	3173 // Note: we don't want to use MergeMemStream here because we only want to
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3174 // scan inputs which exist at the start, not ones we add during processing.
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3175 // Note 2: MergeMem may already contains instance memory slices added
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3176 // during find_inst_mem() call when memory nodes were processed above.
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3177 igvn->hash_delete(nmm);
0 a61af66fc99e Initial load duke parents: diff changeset	3178 uint nslices = nmm->req();
a61af66fc99e Initial load duke parents: diff changeset	3179 for (uint i = Compile::AliasIdxRaw+1; i < nslices; i++) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3180 Node* mem = nmm->in(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3181 Node* cur = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3182 if (mem == NULL \|\| mem->is_top())
a61af66fc99e Initial load duke parents: diff changeset	3183 continue;
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3184 // First, update mergemem by moving memory nodes to corresponding slices
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3185 // if their type became more precise since this mergemem was created.
0 a61af66fc99e Initial load duke parents: diff changeset	3186 while (mem->is_Mem()) {
a61af66fc99e Initial load duke parents: diff changeset	3187 const Type *at = igvn->type(mem->in(MemNode::Address));
a61af66fc99e Initial load duke parents: diff changeset	3188 if (at != Type::TOP) {
a61af66fc99e Initial load duke parents: diff changeset	3189 assert (at->isa_ptr() != NULL, "pointer type required.");
a61af66fc99e Initial load duke parents: diff changeset	3190 uint idx = (uint)_compile->get_alias_index(at->is_ptr());
a61af66fc99e Initial load duke parents: diff changeset	3191 if (idx == i) {
a61af66fc99e Initial load duke parents: diff changeset	3192 if (cur == NULL)
a61af66fc99e Initial load duke parents: diff changeset	3193 cur = mem;
a61af66fc99e Initial load duke parents: diff changeset	3194 } else {
a61af66fc99e Initial load duke parents: diff changeset	3195 if (idx >= nmm->req() \|\| nmm->is_empty_memory(nmm->in(idx))) {
a61af66fc99e Initial load duke parents: diff changeset	3196 nmm->set_memory_at(idx, mem);
a61af66fc99e Initial load duke parents: diff changeset	3197 }
a61af66fc99e Initial load duke parents: diff changeset	3198 }
a61af66fc99e Initial load duke parents: diff changeset	3199 }
a61af66fc99e Initial load duke parents: diff changeset	3200 mem = mem->in(MemNode::Memory);
a61af66fc99e Initial load duke parents: diff changeset	3201 }
a61af66fc99e Initial load duke parents: diff changeset	3202 nmm->set_memory_at(i, (cur != NULL) ? cur : mem);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3203 // Find any instance of the current type if we haven't encountered
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3204 // already a memory slice of the instance along the memory chain.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3205 for (uint ni = new_index_start; ni < new_index_end; ni++) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3206 if((uint)_compile->get_general_index(ni) == i) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3207 Node *m = (ni >= nmm->req()) ? nmm->empty_memory() : nmm->in(ni);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3208 if (nmm->is_empty_memory(m)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3209 Node* result = find_inst_mem(mem, ni, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3210 if (_compile->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3211 return;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3212 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3213 nmm->set_memory_at(ni, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3214 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3215 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3216 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3217 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3218 // Find the rest of instances values
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3219 for (uint ni = new_index_start; ni < new_index_end; ni++) {
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3220 const TypeOopPtr *tinst = _compile->get_adr_type(ni)->isa_oopptr();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3221 Node* result = step_through_mergemem(nmm, ni, tinst);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3222 if (result == nmm->base_memory()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3223 // Didn't find instance memory, search through general slice recursively.
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3224 result = nmm->memory_at(_compile->get_general_index(ni));
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3225 result = find_inst_mem(result, ni, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3226 if (_compile->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3227 return;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3228 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3229 nmm->set_memory_at(ni, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3230 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3231 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3232 igvn->hash_insert(nmm);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3233 record_for_optimizer(nmm);
0 a61af66fc99e Initial load duke parents: diff changeset	3234 }
a61af66fc99e Initial load duke parents: diff changeset	3235
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3236 // Phase 4: Update the inputs of non-instance memory Phis and
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3237 // the Memory input of memnodes
0 a61af66fc99e Initial load duke parents: diff changeset	3238 // First update the inputs of any non-instance Phi's from
a61af66fc99e Initial load duke parents: diff changeset	3239 // which we split out an instance Phi. Note we don't have
a61af66fc99e Initial load duke parents: diff changeset	3240 // to recursively process Phi's encounted on the input memory
a61af66fc99e Initial load duke parents: diff changeset	3241 // chains as is done in split_memory_phi() since they will
a61af66fc99e Initial load duke parents: diff changeset	3242 // also be processed here.
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	3243 for (int j = 0; j < orig_phis.length(); j++) {
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	3244 PhiNode *phi = orig_phis.at(j);
0 a61af66fc99e Initial load duke parents: diff changeset	3245 int alias_idx = _compile->get_alias_index(phi->adr_type());
a61af66fc99e Initial load duke parents: diff changeset	3246 igvn->hash_delete(phi);
a61af66fc99e Initial load duke parents: diff changeset	3247 for (uint i = 1; i < phi->req(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3248 Node *mem = phi->in(i);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3249 Node *new_mem = find_inst_mem(mem, alias_idx, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3250 if (_compile->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3251 return;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3252 }
0 a61af66fc99e Initial load duke parents: diff changeset	3253 if (mem != new_mem) {
a61af66fc99e Initial load duke parents: diff changeset	3254 phi->set_req(i, new_mem);
a61af66fc99e Initial load duke parents: diff changeset	3255 }
a61af66fc99e Initial load duke parents: diff changeset	3256 }
a61af66fc99e Initial load duke parents: diff changeset	3257 igvn->hash_insert(phi);
a61af66fc99e Initial load duke parents: diff changeset	3258 record_for_optimizer(phi);
a61af66fc99e Initial load duke parents: diff changeset	3259 }
a61af66fc99e Initial load duke parents: diff changeset	3260
a61af66fc99e Initial load duke parents: diff changeset	3261 // Update the memory inputs of MemNodes with the value we computed
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3262 // in Phase 2 and move stores memory users to corresponding memory slices.
3278 66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3263 // Disable memory split verification code until the fix for 6984348.
66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3264 // Currently it produces false negative results since it does not cover all cases.
66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3265 #if 0 // ifdef ASSERT
2249 3763ca6579b7 7013538: Java memory leak with escape analysis kvn parents: 2086 diff changeset	3266 visited.Reset();
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3267 Node_Stack old_mems(arena, _compile->unique() >> 2);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3268 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3269 for (uint i = 0; i < ideal_nodes.size(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3270 Node* n = ideal_nodes.at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3271 Node* nmem = get_map(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3272 assert(nmem != NULL, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3273 if (n->is_Mem()) {
3278 66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3274 #if 0 // ifdef ASSERT
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3275 Node* old_mem = n->in(MemNode::Memory);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3276 if (!visited.test_set(old_mem->_idx)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3277 old_mems.push(old_mem, old_mem->outcnt());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3278 }
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3279 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3280 assert(n->in(MemNode::Memory) != nmem, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3281 if (!n->is_Load()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3282 // Move memory users of a store first.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3283 move_inst_mem(n, orig_phis);
0 a61af66fc99e Initial load duke parents: diff changeset	3284 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3285 // Now update memory input
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3286 igvn->hash_delete(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3287 n->set_req(MemNode::Memory, nmem);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3288 igvn->hash_insert(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3289 record_for_optimizer(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3290 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3291 assert(n->is_Allocate() \|\| n->is_CheckCastPP() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3292 n->is_AddP() \|\| n->is_Phi(), "unknown node used for set_map()");
0 a61af66fc99e Initial load duke parents: diff changeset	3293 }
a61af66fc99e Initial load duke parents: diff changeset	3294 }
3278 66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3295 #if 0 // ifdef ASSERT
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3296 // Verify that memory was split correctly
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3297 while (old_mems.is_nonempty()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3298 Node* old_mem = old_mems.node();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3299 uint old_cnt = old_mems.index();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3300 old_mems.pop();
3278 66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3301 assert(old_cnt == old_mem->outcnt(), "old mem could be lost");
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3302 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3303 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	3304 }
a61af66fc99e Initial load duke parents: diff changeset	3305
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3306 #ifndef PRODUCT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3307 static const char *node_type_names[] = {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3308 "UnknownType",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3309 "JavaObject",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3310 "LocalVar",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3311 "Field",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3312 "Arraycopy"
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3313 };
4937 73df3733f2eb 7129284: +DoEscapeAnalysis regression w/ early build of 7u4 (HotSpot 23) on Linux kvn parents: 4777 diff changeset	3314
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3315 static const char *esc_names[] = {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3316 "UnknownEscape",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3317 "NoEscape",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3318 "ArgEscape",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3319 "GlobalEscape"
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3320 };
0 a61af66fc99e Initial load duke parents: diff changeset	3321
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3322 void PointsToNode::dump(bool print_state) const {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3323 NodeType nt = node_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3324 tty->print("%s ", node_type_names[(int) nt]);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3325 if (print_state) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3326 EscapeState es = escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3327 EscapeState fields_es = fields_escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3328 tty->print("%s(%s) ", esc_names[(int)es], esc_names[(int)fields_es]);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3329 if (nt == PointsToNode::JavaObject && !this->scalar_replaceable())
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3330 tty->print("NSR ");
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3331 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3332 if (is_Field()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3333 FieldNode* f = (FieldNode*)this;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3334 if (f->is_oop())
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3335 tty->print("oop ");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3336 if (f->offset() > 0)
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3337 tty->print("+%d ", f->offset());
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3338 tty->print("(");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3339 for (BaseIterator i(f); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3340 PointsToNode* b = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3341 tty->print(" %d%s", b->idx(),(b->is_JavaObject() ? "P" : ""));
4763 1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4122 diff changeset	3342 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3343 tty->print(" )");
0 a61af66fc99e Initial load duke parents: diff changeset	3344 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3345 tty->print("[");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3346 for (EdgeIterator i(this); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3347 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3348 tty->print(" %d%s%s", e->idx(),(e->is_JavaObject() ? "P" : (e->is_Field() ? "F" : "")), e->is_Arraycopy() ? "cp" : "");
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3349 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3350 tty->print(" [");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3351 for (UseIterator i(this); i.has_next(); i.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3352 PointsToNode* u = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3353 bool is_base = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3354 if (PointsToNode::is_base_use(u)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3355 is_base = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3356 u = PointsToNode::get_use_node(u)->as_Field();
4058 59e515ee9354 7059047: EA: can't find initializing store with several CheckCastPP kvn parents: 4046 diff changeset	3357 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3358 tty->print(" %d%s%s", u->idx(), is_base ? "b" : "", u->is_Arraycopy() ? "cp" : "");
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3359 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3360 tty->print(" ]] ");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3361 if (_node == NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3362 tty->print_cr("<null>");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3363 else
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3364 _node->dump();
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3365 }
8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3366
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3367 void ConnectionGraph::dump(GrowableArray<PointsToNode*>& ptnodes_worklist) {
0 a61af66fc99e Initial load duke parents: diff changeset	3368 bool first = true;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3369 int ptnodes_length = ptnodes_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3370 for (int i = 0; i < ptnodes_length; i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3371 PointsToNode *ptn = ptnodes_worklist.at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3372 if (ptn == NULL \|\| !ptn->is_JavaObject())
0 a61af66fc99e Initial load duke parents: diff changeset	3373 continue;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3374 PointsToNode::EscapeState es = ptn->escape_state();
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3375 if ((es != PointsToNode::NoEscape) && !Verbose) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3376 continue;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3377 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3378 Node* n = ptn->ideal_node();
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3379 if (n->is_Allocate() \|\| (n->is_CallStaticJava() &&
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 7637 diff changeset	3380 n->as_CallStaticJava()->is_boxing_method())) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3381 if (first) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3382 tty->cr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3383 tty->print("======== Connection graph for ");
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	3384 _compile->method()->print_short_name();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3385 tty->cr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3386 first = false;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3387 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3388 ptn->dump();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3389 // Print all locals and fields which reference this allocation
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3390 for (UseIterator j(ptn); j.has_next(); j.next()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3391 PointsToNode* use = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3392 if (use->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3393 use->dump(Verbose);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3394 } else if (Verbose) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3395 use->dump();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3396 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3397 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3398 tty->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	3399 }
a61af66fc99e Initial load duke parents: diff changeset	3400 }
a61af66fc99e Initial load duke parents: diff changeset	3401 }
a61af66fc99e Initial load duke parents: diff changeset	3402 #endif

Mercurial > hg > truffle

annotate src/share/vm/opto/escape.cpp @ 20804:7848fc12602b