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

annotate src/share/vm/opto/escape.cpp @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com

author	minqi
date	Mon, 12 Nov 2012 14:03:53 -0800
parents	f3da5ff1514c
children	2aff40cb4703

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
4937 73df3733f2eb 7129284: +DoEscapeAnalysis regression w/ early build of 7u4 (HotSpot 23) on Linux kvn parents: 4777 diff changeset	2 * Copyright (c) 2005, 2012, 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),
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	40 _collecting(true),
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	41 _verify(false),
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	42 _compile(C),
1634 60a14ad85270 6966411: escape.cpp:450 assert(base->Opcode() == Op_ConP kvn parents: 1552 diff changeset	43 _igvn(igvn),
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	44 _node_map(C->comp_arena()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	45 // Add unknown java object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	46 add_java_object(C->top(), PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	47 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	48 // 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	49 Node* oop_null = igvn->zerocon(T_OBJECT);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	50 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	51 add_java_object(oop_null, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	52 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	53 if (UseCompressedOops) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	54 Node* noop_null = igvn->zerocon(T_NARROWOOP);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	55 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	56 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	57 }
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	58 _pcmp_neq = NULL; // Should be initialized
8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	59 _pcmp_eq = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	60 }
a61af66fc99e Initial load duke parents: diff changeset	61
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	62 bool ConnectionGraph::has_candidates(Compile *C) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	63 // 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	64 // are represented by ideal Macro nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	65 int cnt = C->macro_count();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	66 for( int i=0; i < cnt; i++ ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	67 Node *n = C->macro_node(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	68 if ( n->is_Allocate() )
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	69 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	70 if( n->is_Lock() ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	71 Node* obj = n->as_Lock()->obj_node()->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	72 if( !(obj->is_Parm() \|\| obj->is_Con()) )
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	73 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	74 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	75 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	76 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	77 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	78
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	79 void ConnectionGraph::do_analysis(Compile C, PhaseIterGVN igvn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	80 Compile::TracePhase t2("escapeAnalysis", &Phase::_t_escapeAnalysis, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	81 ResourceMark rm;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	82
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	83 // 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	84 // to create space for them in ConnectionGraph::_nodes[].
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	85 Node* oop_null = igvn->zerocon(T_OBJECT);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	86 Node* noop_null = igvn->zerocon(T_NARROWOOP);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	87 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	88 // Perform escape analysis
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	89 if (congraph->compute_escape()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	90 // There are non escaping objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	91 C->set_congraph(congraph);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	92 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	93 // Cleanup.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	94 if (oop_null->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	95 igvn->hash_delete(oop_null);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	96 if (noop_null->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	97 igvn->hash_delete(noop_null);
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
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	100 bool ConnectionGraph::compute_escape() {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	101 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	102 PhaseGVN* igvn = _igvn;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	103
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	104 // Worklists used by EA.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	105 Unique_Node_List delayed_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	106 GrowableArray<Node*> alloc_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	107 GrowableArray<Node*> ptr_cmp_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	108 GrowableArray<Node*> storestore_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	109 GrowableArray<PointsToNode*> ptnodes_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	110 GrowableArray<JavaObjectNode*> java_objects_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	111 GrowableArray<JavaObjectNode*> non_escaped_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	112 GrowableArray<FieldNode*> oop_fields_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	113 DEBUG_ONLY( GrowableArray<Node*> addp_worklist; )
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	114
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	115 { Compile::TracePhase t3("connectionGraph", &Phase::_t_connectionGraph, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	116
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	117 // 1. Populate Connection Graph (CG) with PointsTo nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	118 ideal_nodes.map(C->unique(), NULL); // preallocate space
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	119 // Initialize worklist
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	120 if (C->root() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	121 ideal_nodes.push(C->root());
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 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	124 Node* n = ideal_nodes.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	125 // 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	126 // 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	127 add_node_to_connection_graph(n, &delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	128 PointsToNode* ptn = ptnode_adr(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	129 if (ptn != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	130 ptnodes_worklist.append(ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	131 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	132 java_objects_worklist.append(ptn->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	133 if ((n->is_Allocate() \|\| n->is_CallStaticJava()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	134 (ptn->escape_state() < PointsToNode::GlobalEscape)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	135 // 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	136 non_escaped_worklist.append(ptn->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	137 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	138 } 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	139 oop_fields_worklist.append(ptn->as_Field());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	140 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	141 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	142 if (n->is_MergeMem()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	143 // 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	144 // scalar replaceable objects in split_unique_types().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	145 _mergemem_worklist.append(n->as_MergeMem());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	146 } else if (OptimizePtrCompare && n->is_Cmp() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	147 (n->Opcode() == Op_CmpP \|\| n->Opcode() == Op_CmpN)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	148 // Collect compare pointers nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	149 ptr_cmp_worklist.append(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	150 } else if (n->is_MemBarStoreStore()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	151 // 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	152 // 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	153 // may be eliminated.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	154 storestore_worklist.append(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	155 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	156 } else if(n->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	157 // Collect address nodes for graph verification.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	158 addp_worklist.append(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	159 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	160 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	161 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	162 Node* m = n->fast_out(i); // Get user
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	163 ideal_nodes.push(m);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	164 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	165 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	166 if (non_escaped_worklist.length() == 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	167 _collecting = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	168 return false; // Nothing to do.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	169 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	170 // Add final simple edges to graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	171 while(delayed_worklist.size() > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	172 Node* n = delayed_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	173 add_final_edges(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	174 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	175 int ptnodes_length = ptnodes_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	176
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	177 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	178 if (VerifyConnectionGraph) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	179 // 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	180 // local vars has edges.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	181 _verify = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	182 for (int next = 0; next < ptnodes_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	183 PointsToNode* ptn = ptnodes_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	184 add_final_edges(ptn->ideal_node());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	185 if (ptn->is_LocalVar() && ptn->edge_count() == 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	186 ptn->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	187 assert(ptn->as_LocalVar()->edge_count() > 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	188 }
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 _verify = false;
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 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	193
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	194 // 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	195 // java objects through graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	196 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	197 java_objects_worklist, oop_fields_worklist)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	198 // 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	199 _collecting = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	200 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	201 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	202
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	203 // 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	204 // scalar replaceable allocations on alloc_worklist for processing
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	205 // in split_unique_types().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	206 int non_escaped_length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	207 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	208 JavaObjectNode* ptn = non_escaped_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	209 if (ptn->escape_state() == PointsToNode::NoEscape &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	210 ptn->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	211 adjust_scalar_replaceable_state(ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	212 if (ptn->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	213 alloc_worklist.append(ptn->ideal_node());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	214 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	215 }
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 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	219 if (VerifyConnectionGraph) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	220 // 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	221 verify_connection_graph(ptnodes_worklist, non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	222 java_objects_worklist, addp_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	223 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	224 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	225 assert(null_obj->escape_state() == PointsToNode::NoEscape &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	226 null_obj->edge_count() == 0 &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	227 !null_obj->arraycopy_src() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	228 !null_obj->arraycopy_dst(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	229 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	230
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	231 _collecting = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	232
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	233 } // TracePhase t3("connectionGraph")
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	234
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	235 // 4. Optimize ideal graph based on EA information.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	236 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	237 if (has_non_escaping_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	238 optimize_ideal_graph(ptr_cmp_worklist, storestore_worklist);
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
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	241 #ifndef PRODUCT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	242 if (PrintEscapeAnalysis) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	243 dump(ptnodes_worklist); // Dump ConnectionGraph
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	244 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	245 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	246
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	247 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	248 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	249 if (VerifyConnectionGraph) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	250 int alloc_length = alloc_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	251 for (int next = 0; next < alloc_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	252 Node* n = alloc_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	253 PointsToNode* ptn = ptnode_adr(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	254 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	255 }
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 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	258
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	259 // 5. Separate memory graph for scalar replaceable allcations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	260 if (has_scalar_replaceable_candidates &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	261 C->AliasLevel() >= 3 && EliminateAllocations) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	262 // 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	263 // scalar replaceable objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	264 split_unique_types(alloc_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	265 if (C->failing()) return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	266 C->print_method("After Escape Analysis", 2);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	267
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	268 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	269 } else if (Verbose && (PrintEscapeAnalysis \|\| PrintEliminateAllocations)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	270 tty->print("=== No allocations eliminated for ");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	271 C->method()->print_short_name();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	272 if(!EliminateAllocations) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	273 tty->print(" since EliminateAllocations is off ===");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	274 } else if(!has_scalar_replaceable_candidates) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	275 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	276 } else if(C->AliasLevel() < 3) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	277 tty->print(" since AliasLevel < 3 ===");
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 tty->cr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	280 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	281 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	282 return has_non_escaping_obj;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	283 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	284
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	285 // Utility function for nodes that load an object
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	286 void ConnectionGraph::add_objload_to_connection_graph(Node n, Unique_Node_List delayed_worklist) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	287 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	288 // ThreadLocal has RawPtr type.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	289 const Type* t = _igvn->type(n);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	290 if (t->make_ptr() != NULL) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	291 Node* adr = n->in(MemNode::Address);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	292 #ifdef ASSERT
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	293 if (!adr->is_AddP()) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	294 assert(_igvn->type(adr)->isa_rawptr(), "sanity");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	295 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	296 assert((ptnode_adr(adr->_idx) == NULL \|\|
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	297 ptnode_adr(adr->_idx)->as_Field()->is_oop()), "sanity");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	298 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	299 #endif
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	300 add_local_var_and_edge(n, PointsToNode::NoEscape,
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	301 adr, delayed_worklist);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	302 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	303 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	304
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	305 // 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	306 // connection graph edges.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	307 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	308 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	309 PhaseGVN* igvn = _igvn;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	310 uint n_idx = n->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	311 PointsToNode* n_ptn = ptnode_adr(n_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	312 if (n_ptn != NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	313 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	314
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	315 if (n->is_Call()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	316 // Arguments to allocation and locking don't escape.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	317 if (n->is_AbstractLock()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	318 // 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	319 // 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	320 record_for_optimizer(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	321 } else if (n->is_Allocate()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	322 add_call_node(n->as_Call());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	323 record_for_optimizer(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	324 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	325 if (n->is_CallStaticJava()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	326 const char* name = n->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	327 if (name != NULL && strcmp(name, "uncommon_trap") == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	328 return; // Skip uncommon traps
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	329 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	330 // 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	331 delayed_worklist->push(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	332 // Check if a call returns an object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	333 if (n->as_Call()->returns_pointer() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	334 n->as_Call()->proj_out(TypeFunc::Parms) != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	335 add_call_node(n->as_Call());
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	338 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	339 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	340 // 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	341 // point to phantom_obj.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	342 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	343 return; // Skip predefined nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	344
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	345 int opcode = n->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	346 switch (opcode) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	347 case Op_AddP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	348 Node* base = get_addp_base(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	349 PointsToNode* ptn_base = ptnode_adr(base->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	350 // 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	351 // adjust_scalar_replaceable_state() and split_unique_types().
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	352 // 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	353 // 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	354 int offset = address_offset(n, igvn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	355 add_field(n, PointsToNode::NoEscape, offset);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	356 if (ptn_base == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	357 delayed_worklist->push(n); // Process it later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	358 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	359 n_ptn = ptnode_adr(n_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	360 add_base(n_ptn->as_Field(), ptn_base);
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 break;
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 case Op_CastX2P: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	365 map_ideal_node(n, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	366 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	367 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	368 case Op_CastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	369 case Op_CheckCastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	370 case Op_EncodeP:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	371 case Op_DecodeN:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	372 case Op_EncodePKlass:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	373 case Op_DecodeNKlass: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	374 add_local_var_and_edge(n, PointsToNode::NoEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	375 n->in(1), delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	376 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	377 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	378 case Op_CMoveP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	379 add_local_var(n, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	380 // 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	381 // not defined yet.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	382 delayed_worklist->push(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	383 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	384 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	385 case Op_ConP:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	386 case Op_ConN:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	387 case Op_ConNKlass: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	388 // 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	389 PointsToNode::EscapeState es;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	390 if (igvn->type(n) == TypePtr::NULL_PTR \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	391 igvn->type(n) == TypeNarrowOop::NULL_PTR) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	392 es = PointsToNode::NoEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	393 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	394 es = PointsToNode::GlobalEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	395 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	396 add_java_object(n, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	397 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	398 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	399 case Op_CreateEx: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	400 // assume that all exception objects globally escape
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	401 add_java_object(n, PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	402 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	403 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	404 case Op_LoadKlass:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	405 case Op_LoadNKlass: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	406 // Unknown class is loaded
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	407 map_ideal_node(n, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	408 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	409 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	410 case Op_LoadP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	411 case Op_LoadN:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	412 case Op_LoadPLocked: {
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	413 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	414 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	415 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	416 case Op_Parm: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	417 map_ideal_node(n, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	418 break;
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 case Op_PartialSubtypeCheck: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	421 // 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	422 // phantom_obj could be used.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	423 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	424 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	425 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	426 case Op_Phi: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	427 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	428 // ThreadLocal has RawPtr type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	429 const Type* t = n->as_Phi()->type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	430 if (t->make_ptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	431 add_local_var(n, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	432 // 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	433 // not defined yet.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	434 delayed_worklist->push(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	435 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	436 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	437 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	438 case Op_Proj: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	439 // 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	440 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	441 n->in(0)->as_Call()->returns_pointer()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	442 add_local_var_and_edge(n, PointsToNode::NoEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	443 n->in(0), delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	444 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	445 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	446 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	447 case Op_Rethrow: // Exception object escapes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	448 case Op_Return: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	449 if (n->req() > TypeFunc::Parms &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	450 igvn->type(n->in(TypeFunc::Parms))->isa_oopptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	451 // 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	452 add_local_var_and_edge(n, PointsToNode::GlobalEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	453 n->in(TypeFunc::Parms), delayed_worklist);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	454 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	455 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	456 }
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	457 case Op_GetAndSetP:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	458 case Op_GetAndSetN: {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	459 add_objload_to_connection_graph(n, delayed_worklist);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	460 // fallthrough
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	461 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	462 case Op_StoreP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	463 case Op_StoreN:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	464 case Op_StoreNKlass:
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	465 case Op_StorePConditional:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	466 case Op_CompareAndSwapP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	467 case Op_CompareAndSwapN: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	468 Node* adr = n->in(MemNode::Address);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	469 const Type *adr_type = igvn->type(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	470 adr_type = adr_type->make_ptr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	471 if (adr_type->isa_oopptr() \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	472 (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	473 (adr_type == TypeRawPtr::NOTNULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	474 adr->in(AddPNode::Address)->is_Proj() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	475 adr->in(AddPNode::Address)->in(0)->is_Allocate())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	476 delayed_worklist->push(n); // Process it later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	477 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	478 assert(adr->is_AddP(), "expecting an AddP");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	479 if (adr_type == TypeRawPtr::NOTNULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	480 // 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	481 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	482 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	483 }
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	484 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	485 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	486 // 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	487 if (adr->is_BoxLock())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	488 break;
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	489 // Stored value escapes in unsafe access.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	490 if ((opcode == Op_StoreP) && (adr_type == TypeRawPtr::BOTTOM)) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	491 // Pointer stores in G1 barriers looks like unsafe access.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	492 // 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	493 // allocations.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	494 if (UseG1GC && adr->is_AddP()) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	495 Node* base = get_addp_base(adr);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	496 if (base->Opcode() == Op_LoadP &&
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	497 base->in(MemNode::Address)->is_AddP()) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	498 adr = base->in(MemNode::Address);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	499 Node* tls = get_addp_base(adr);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	500 if (tls->Opcode() == Op_ThreadLocal) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	501 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	502 if (offs == in_bytes(JavaThread::satb_mark_queue_offset() +
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	503 PtrQueue::byte_offset_of_buf())) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	504 break; // G1 pre barier previous oop value store.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	505 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	506 if (offs == in_bytes(JavaThread::dirty_card_queue_offset() +
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	507 PtrQueue::byte_offset_of_buf())) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	508 break; // G1 post barier card address store.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	509 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	510 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	511 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	512 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	513 delayed_worklist->push(n); // Process unsafe access later.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	514 break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	515 }
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	516 #ifdef ASSERT
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	517 n->dump(1);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	518 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	519 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	520 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	521 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	522 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	523 case Op_AryEq:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	524 case Op_StrComp:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	525 case Op_StrEquals:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	526 case Op_StrIndexOf: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	527 add_local_var(n, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	528 delayed_worklist->push(n); // Process it later.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	529 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	530 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	531 case Op_ThreadLocal: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	532 add_java_object(n, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	533 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	534 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	535 default:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	536 ; // Do nothing for nodes not related to EA.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	537 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	538 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	539 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	540
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	541 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	542 #define ELSE_FAIL(name) \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	543 /* Should not be called for not pointer type. */ \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	544 n->dump(1); \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	545 assert(false, name); \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	546 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	547 #else
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	548 #define ELSE_FAIL(name) \
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	549 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	550 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	551
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	552 // Add final simple edges to graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	553 void ConnectionGraph::add_final_edges(Node *n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	554 PointsToNode* n_ptn = ptnode_adr(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	555 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	556 if (_verify && n_ptn->is_JavaObject())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	557 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	558 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	559
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	560 if (n->is_Call()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	561 process_call_arguments(n->as_Call());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	562 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	563 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	564 assert(n->is_Store() \|\| n->is_LoadStore() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	565 (n_ptn != NULL) && (n_ptn->ideal_node() != NULL),
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	566 "node should be registered already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	567 int opcode = n->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	568 switch (opcode) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	569 case Op_AddP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	570 Node* base = get_addp_base(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	571 PointsToNode* ptn_base = ptnode_adr(base->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	572 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	573 add_base(n_ptn->as_Field(), ptn_base);
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	576 case Op_CastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	577 case Op_CheckCastPP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	578 case Op_EncodeP:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	579 case Op_DecodeN:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	580 case Op_EncodePKlass:
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	581 case Op_DecodeNKlass: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	582 add_local_var_and_edge(n, PointsToNode::NoEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	583 n->in(1), NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	584 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	585 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	586 case Op_CMoveP: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	587 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	588 Node* in = n->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	589 if (in == NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	590 continue; // ignore NULL
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	591 Node* uncast_in = in->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	592 if (uncast_in->is_top() \|\| uncast_in == n)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	593 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	594 PointsToNode* ptn = ptnode_adr(in->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	595 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	596 add_edge(n_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	597 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	598 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	599 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	600 case Op_LoadP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	601 case Op_LoadN:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	602 case Op_LoadPLocked: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	603 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	604 // ThreadLocal has RawPtr type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	605 const Type* t = _igvn->type(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	606 if (t->make_ptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	607 Node* adr = n->in(MemNode::Address);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	608 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	609 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	610 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	611 ELSE_FAIL("Op_LoadP");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	612 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	613 case Op_Phi: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	614 // Using isa_ptr() instead of isa_oopptr() for LoadP and Phi because
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	615 // ThreadLocal has RawPtr type.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	616 const Type* t = n->as_Phi()->type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	617 if (t->make_ptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	618 for (uint i = 1; i < n->req(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	619 Node* in = n->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	620 if (in == NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	621 continue; // ignore NULL
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	622 Node* uncast_in = in->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	623 if (uncast_in->is_top() \|\| uncast_in == n)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	624 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	625 PointsToNode* ptn = ptnode_adr(in->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	626 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	627 add_edge(n_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	628 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	629 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	630 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	631 ELSE_FAIL("Op_Phi");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	632 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	633 case Op_Proj: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	634 // 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	635 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	636 n->in(0)->as_Call()->returns_pointer()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	637 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	638 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	639 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	640 ELSE_FAIL("Op_Proj");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	641 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	642 case Op_Rethrow: // Exception object escapes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	643 case Op_Return: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	644 if (n->req() > TypeFunc::Parms &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	645 _igvn->type(n->in(TypeFunc::Parms))->isa_oopptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	646 // 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	647 add_local_var_and_edge(n, PointsToNode::GlobalEscape,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	648 n->in(TypeFunc::Parms), NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	649 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	650 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	651 ELSE_FAIL("Op_Return");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	652 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	653 case Op_StoreP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	654 case Op_StoreN:
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	655 case Op_StoreNKlass:
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	656 case Op_StorePConditional:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	657 case Op_CompareAndSwapP:
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	658 case Op_CompareAndSwapN:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	659 case Op_GetAndSetP:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	660 case Op_GetAndSetN: {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	661 Node* adr = n->in(MemNode::Address);
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	662 if (opcode == Op_GetAndSetP \|\| opcode == Op_GetAndSetN) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	663 const Type* t = _igvn->type(n);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	664 if (t->make_ptr() != NULL) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	665 add_local_var_and_edge(n, PointsToNode::NoEscape, adr, NULL);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	666 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6268 diff changeset	667 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	668 const Type *adr_type = _igvn->type(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	669 adr_type = adr_type->make_ptr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	670 if (adr_type->isa_oopptr() \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	671 (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	672 (adr_type == TypeRawPtr::NOTNULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	673 adr->in(AddPNode::Address)->is_Proj() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	674 adr->in(AddPNode::Address)->in(0)->is_Allocate())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	675 // Point Address to Value
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	676 PointsToNode* adr_ptn = ptnode_adr(adr->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	677 assert(adr_ptn != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	678 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	679 Node *val = n->in(MemNode::ValueIn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	680 PointsToNode* ptn = ptnode_adr(val->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	681 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	682 add_edge(adr_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	683 break;
5954 ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	684 } else if ((opcode == Op_StoreP) && (adr_type == TypeRawPtr::BOTTOM)) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	685 // Stored value escapes in unsafe access.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	686 Node *val = n->in(MemNode::ValueIn);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	687 PointsToNode* ptn = ptnode_adr(val->_idx);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	688 assert(ptn != NULL, "node should be registered");
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	689 ptn->set_escape_state(PointsToNode::GlobalEscape);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	690 // Add edge to object for unsafe access with offset.
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	691 PointsToNode* adr_ptn = ptnode_adr(adr->_idx);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	692 assert(adr_ptn != NULL, "node should be registered");
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	693 if (adr_ptn->is_Field()) {
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	694 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	695 add_edge(adr_ptn, ptn);
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	696 }
ed4c92f54c2d 7154997: assert(false) failed: not G1 barrier raw StoreP kvn parents: 5948 diff changeset	697 break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	698 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	699 ELSE_FAIL("Op_StoreP");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	700 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	701 case Op_AryEq:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	702 case Op_StrComp:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	703 case Op_StrEquals:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	704 case Op_StrIndexOf: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	705 // 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	706 // 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	707 // 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	708 for (uint i = 2; i < n->req(); i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	709 Node* adr = n->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	710 const Type* at = _igvn->type(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	711 if (!adr->is_top() && at->isa_ptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	712 assert(at == Type::TOP \|\| at == TypePtr::NULL_PTR \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	713 at->isa_ptr() != NULL, "expecting a pointer");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	714 if (adr->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	715 adr = get_addp_base(adr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	716 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	717 PointsToNode* ptn = ptnode_adr(adr->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	718 assert(ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	719 add_edge(n_ptn, ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	720 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	721 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	722 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	723 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	724 default: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	725 // 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	726 // miss some edges when they were created.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	727 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	728 n->dump(1);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	729 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	730 guarantee(false, "unknown node");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	731 }
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 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	734 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	735
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	736 void ConnectionGraph::add_call_node(CallNode* call) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	737 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	738 uint call_idx = call->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	739 if (call->is_Allocate()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	740 Node* k = call->in(AllocateNode::KlassNode);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	741 const TypeKlassPtr* kt = k->bottom_type()->isa_klassptr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	742 assert(kt != NULL, "TypeKlassPtr required.");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	743 ciKlass* cik = kt->klass();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	744 PointsToNode::EscapeState es = PointsToNode::NoEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	745 bool scalar_replaceable = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	746 if (call->is_AllocateArray()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	747 if (!cik->is_array_klass()) { // StressReflectiveCode
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	748 es = PointsToNode::GlobalEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	749 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	750 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	751 if (length < 0 \|\| length > EliminateAllocationArraySizeLimit) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	752 // 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	753 scalar_replaceable = false;
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	756 } else { // Allocate instance
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	757 if (cik->is_subclass_of(_compile->env()->Thread_klass()) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	758 !cik->is_instance_klass() \|\| // StressReflectiveCode
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	759 cik->as_instance_klass()->has_finalizer()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	760 es = PointsToNode::GlobalEscape;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	761 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	762 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	763 add_java_object(call, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	764 PointsToNode* ptn = ptnode_adr(call_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	765 if (!scalar_replaceable && ptn->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	766 ptn->set_scalar_replaceable(false);
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 } else if (call->is_CallStaticJava()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	769 // Call nodes could be different types:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	770 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	771 // 1. CallDynamicJavaNode (what happened during call is unknown):
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	772 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	773 // - 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	774 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	775 // - all oop arguments are escaping globally;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	776 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	777 // 2. CallStaticJavaNode (execute bytecode analysis if possible):
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	778 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	779 // - 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	780 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	781 // - 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	782 // - 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	783 // during call is returned;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	784 // - 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	785 // 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	786 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	787 // - 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	788 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	789 // 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	790 // 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	791 ciMethod* meth = call->as_CallJava()->method();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	792 if (meth == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	793 const char* name = call->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	794 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	795 // Returns a newly allocated unescaped object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	796 add_java_object(call, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	797 ptnode_adr(call_idx)->set_scalar_replaceable(false);
4122 cc81b9c09bbb 7112478: after 7105605 JRuby bench_define_method_methods.rb fails with NPE kvn parents: 4115 diff changeset	798 } else {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	799 BCEscapeAnalyzer* call_analyzer = meth->get_bcea();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	800 call_analyzer->copy_dependencies(_compile->dependencies());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	801 if (call_analyzer->is_return_allocated()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	802 // Returns a newly allocated unescaped object, simply
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	803 // update dependency information.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	804 // 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	805 // 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	806 add_java_object(call, PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	807 ptnode_adr(call_idx)->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	808 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	809 // Determine whether any arguments are returned.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	810 const TypeTuple* d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	811 bool ret_arg = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	812 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	813 if (d->field_at(i)->isa_ptr() != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	814 call_analyzer->is_arg_returned(i - TypeFunc::Parms)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	815 ret_arg = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	816 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	817 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	818 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	819 if (ret_arg) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	820 add_local_var(call, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	821 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	822 // Returns unknown object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	823 map_ideal_node(call, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	824 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	825 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	826 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	827 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	828 // 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	829 // returned value is unknown and globally escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	830 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	831 map_ideal_node(call, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	832 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	833 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	834
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	835 void ConnectionGraph::process_call_arguments(CallNode *call) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	836 bool is_arraycopy = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	837 switch (call->Opcode()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	838 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	839 case Op_Allocate:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	840 case Op_AllocateArray:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	841 case Op_Lock:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	842 case Op_Unlock:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	843 assert(false, "should be done already");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	844 break;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	845 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	846 case Op_CallLeafNoFP:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	847 is_arraycopy = (call->as_CallLeaf()->_name != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	848 strstr(call->as_CallLeaf()->_name, "arraycopy") != 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	849 // fall through
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	850 case Op_CallLeaf: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	851 // 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	852 // Adjust escape state for outgoing arguments.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	853 const TypeTuple * d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	854 bool src_has_oops = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	855 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	856 const Type* at = d->field_at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	857 Node *arg = call->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	858 const Type *aat = _igvn->type(arg);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	859 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	860 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	861 if (arg->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	862 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	863 // 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	864 // after the allocation before Initialize and CheckCastPP nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	865 // Or normal arraycopy for object arrays case.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	866 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	867 // 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	868 // 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	869 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	870 arg = get_addp_base(arg);
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 PointsToNode* arg_ptn = ptnode_adr(arg->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	873 assert(arg_ptn != NULL, "should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	874 PointsToNode::EscapeState arg_esc = arg_ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	875 if (is_arraycopy \|\| arg_esc < PointsToNode::ArgEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	876 assert(aat == Type::TOP \|\| aat == TypePtr::NULL_PTR \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	877 aat->isa_ptr() != NULL, "expecting an Ptr");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	878 bool arg_has_oops = aat->isa_oopptr() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	879 (aat->isa_oopptr()->klass() == NULL \|\| aat->isa_instptr() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	880 (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	881 if (i == TypeFunc::Parms) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	882 src_has_oops = arg_has_oops;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	883 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	884 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	885 // 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	886 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	887 // arraycopy(char[],0,Object*,0,size);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	888 // arraycopy(Object*,0,char[],0,size);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	889 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	890 // Don't add edges in such cases.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	891 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	892 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	893 arg_has_oops && (i > TypeFunc::Parms);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	894 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	895 if (!(is_arraycopy \|\|
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	896 (call->as_CallLeaf()->_name != NULL &&
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	897 (strcmp(call->as_CallLeaf()->_name, "g1_wb_pre") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	898 strcmp(call->as_CallLeaf()->_name, "g1_wb_post") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	899 strcmp(call->as_CallLeaf()->_name, "aescrypt_encryptBlock") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	900 strcmp(call->as_CallLeaf()->_name, "aescrypt_decryptBlock") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	901 strcmp(call->as_CallLeaf()->_name, "cipherBlockChaining_encryptAESCrypt") == 0 \|\|
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	902 strcmp(call->as_CallLeaf()->_name, "cipherBlockChaining_decryptAESCrypt") == 0)
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	903 ))) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	904 call->dump();
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6848 diff changeset	905 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	906 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	907 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	908 // Always process arraycopy's destination object since
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	909 // 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	910 // source object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	911 if (arg_esc >= PointsToNode::ArgEscape &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	912 !arg_is_arraycopy_dest) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	913 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	914 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	915 set_escape_state(arg_ptn, PointsToNode::ArgEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	916 if (arg_is_arraycopy_dest) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	917 Node* src = call->in(TypeFunc::Parms);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	918 if (src->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	919 src = get_addp_base(src);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	920 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	921 PointsToNode* src_ptn = ptnode_adr(src->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	922 assert(src_ptn != NULL, "should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	923 if (arg_ptn != src_ptn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	924 // Special arraycopy edge:
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	925 // 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	926 // 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	927 // 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	928 // escape state of fields in source object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	929 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	930 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	931 }
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	934 break;
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 case Op_CallStaticJava: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	937 // 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	938 // 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	939 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	940 const char* name = call->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	941 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	942 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	943 ciMethod* meth = call->as_CallJava()->method();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	944 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	945 // 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	946 if (call_analyzer != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	947 PointsToNode* call_ptn = ptnode_adr(call->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	948 const TypeTuple* d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	949 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	950 const Type* at = d->field_at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	951 int k = i - TypeFunc::Parms;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	952 Node* arg = call->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	953 PointsToNode* arg_ptn = ptnode_adr(arg->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	954 if (at->isa_ptr() != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	955 call_analyzer->is_arg_returned(k)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	956 // The call returns arguments.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	957 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	958 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	959 assert(arg_ptn != NULL, "node should be registered");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	960 add_edge(call_ptn, arg_ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	961 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	962 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	963 if (at->isa_oopptr() != NULL &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	964 arg_ptn->escape_state() < PointsToNode::GlobalEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	965 if (!call_analyzer->is_arg_stack(k)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	966 // The argument global escapes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	967 set_escape_state(arg_ptn, PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	968 } else {
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 (!call_analyzer->is_arg_local(k)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	971 // 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	972 set_fields_escape_state(arg_ptn, PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	973 }
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	976 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	977 if (call_ptn != NULL && call_ptn->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	978 // The call returns arguments.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	979 assert(call_ptn->edge_count() > 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	980 if (!call_analyzer->is_return_local()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	981 // Returns also unknown object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	982 add_edge(call_ptn, phantom_obj);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	983 }
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 break;
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 default: {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	989 // 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	990 // 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	991 // globally escape.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	992 const TypeTuple* d = call->tf()->domain();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	993 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	994 const Type* at = d->field_at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	995 if (at->isa_oopptr() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	996 Node* arg = call->in(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	997 if (arg->is_AddP()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	998 arg = get_addp_base(arg);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	999 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1000 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	1001 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	1002 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1003 }
4122 cc81b9c09bbb 7112478: after 7105605 JRuby bench_define_method_methods.rb fails with NPE kvn parents: 4115 diff changeset	1004 }
cc81b9c09bbb 7112478: after 7105605 JRuby bench_define_method_methods.rb fails with NPE kvn parents: 4115 diff changeset	1005 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1006 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1007
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1008
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1009 // Finish Graph construction.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1010 bool ConnectionGraph::complete_connection_graph(
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1011 GrowableArray<PointsToNode*>& ptnodes_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1012 GrowableArray<JavaObjectNode*>& non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1013 GrowableArray<JavaObjectNode*>& java_objects_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1014 GrowableArray<FieldNode*>& oop_fields_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1015 // 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	1016 // 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	1017 // 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	1018 // bailout Escape Analysis.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1019 // Also limit build time to 30 sec (60 in debug VM).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1020 #define CG_BUILD_ITER_LIMIT 20
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1021 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1022 #define CG_BUILD_TIME_LIMIT 60.0
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1023 #else
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1024 #define CG_BUILD_TIME_LIMIT 30.0
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1025 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1026
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1027 // 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	1028 // 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	1029 // Field nodes which reference phantom_object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1030 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	1031 return false; // Nothing to do.
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 // Now propagate references to all JavaObject nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1034 int java_objects_length = java_objects_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1035 elapsedTimer time;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1036 int new_edges = 1;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1037 int iterations = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1038 do {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1039 while ((new_edges > 0) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1040 (iterations++ < CG_BUILD_ITER_LIMIT) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1041 (time.seconds() < CG_BUILD_TIME_LIMIT)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1042 time.start();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1043 new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1044 // 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	1045 // 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	1046 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	1047 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	1048 JavaObjectNode* ptn = java_objects_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1049 new_edges += add_java_object_edges(ptn, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1050 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1051 if (new_edges > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1052 // 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	1053 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	1054 return false; // Nothing to do.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1055 }
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 time.stop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1058 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1059 if ((iterations < CG_BUILD_ITER_LIMIT) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1060 (time.seconds() < CG_BUILD_TIME_LIMIT)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1061 time.start();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1062 // Find fields which have unknown value.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1063 int fields_length = oop_fields_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1064 for (int next = 0; next < fields_length; next++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1065 FieldNode* field = oop_fields_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1066 if (field->edge_count() == 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1067 new_edges += find_field_value(field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1068 // 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	1069 // 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	1070 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1071 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1072 time.stop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1073 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1074 new_edges = 0; // Bailout
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1075 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1076 } while (new_edges > 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1077
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1078 // Bailout if passed limits.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1079 if ((iterations >= CG_BUILD_ITER_LIMIT) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1080 (time.seconds() >= CG_BUILD_TIME_LIMIT)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1081 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1082 if (C->log() != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1083 C->log()->begin_elem("connectionGraph_bailout reason='reached ");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1084 C->log()->text("%s", (iterations >= CG_BUILD_ITER_LIMIT) ? "iterations" : "time");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1085 C->log()->end_elem(" limit'");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1086 }
6895 006174cfe979 7163534: VM could crashes assert(false) failed: infinite EA connection graph build kvn parents: 6894 diff changeset	1087 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	1088 time.seconds(), iterations, nodes_size(), ptnodes_worklist.length()));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1089 // Possible infinite build_connection_graph loop,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1090 // bailout (no changes to ideal graph were made).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1091 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1092 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1093 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1094 if (Verbose && PrintEscapeAnalysis) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1095 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	1096 iterations, nodes_size(), ptnodes_worklist.length());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1097 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1098 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1099
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1100 #undef CG_BUILD_ITER_LIMIT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1101 #undef CG_BUILD_TIME_LIMIT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1102
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1103 // 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	1104 int non_escaped_length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1105 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	1106 JavaObjectNode* ptn = non_escaped_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1107 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1108 assert(es <= PointsToNode::ArgEscape, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1109 if (es == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1110 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	1111 // 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	1112 // 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	1113 add_java_object_edges(null_obj, false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1114 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1115 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1116 Node* n = ptn->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1117 if (n->is_Allocate()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1118 // 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	1119 // 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	1120 // expanded no MemBarStoreStore is added.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1121 InitializeNode* ini = n->as_Allocate()->initialization();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1122 if (ini != NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1123 ini->set_does_not_escape();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1124 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1125 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1126 return true; // Finished graph construction.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1127 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1128
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1129 // 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	1130 // 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	1131 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	1132 GrowableArray<JavaObjectNode*>& non_escaped_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1133 GrowableArray<PointsToNode*> escape_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1134 // 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	1135 int ptnodes_length = ptnodes_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1136 for (int next = 0; next < ptnodes_length; ++next) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1137 PointsToNode* ptn = ptnodes_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1138 if (ptn->escape_state() >= PointsToNode::ArgEscape \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1139 ptn->fields_escape_state() >= PointsToNode::ArgEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1140 escape_worklist.push(ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1141 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1142 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1143 // Set escape states to referenced nodes (edges list).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1144 while (escape_worklist.length() > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1145 PointsToNode* ptn = escape_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1146 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1147 PointsToNode::EscapeState field_es = ptn->fields_escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1148 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	1149 es >= PointsToNode::ArgEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1150 // 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	1151 if (add_edge(ptn, phantom_obj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1152 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1153 add_field_uses_to_worklist(ptn->as_Field());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1154 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1155 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1156 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	1157 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1158 if (e->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1159 assert(ptn->arraycopy_dst(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1160 // Propagate only fields escape state through arraycopy edge.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1161 if (e->fields_escape_state() < field_es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1162 set_fields_escape_state(e, field_es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1163 escape_worklist.push(e);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1164 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1165 } else if (es >= field_es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1166 // 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	1167 if (e->escape_state() < es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1168 set_escape_state(e, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1169 escape_worklist.push(e);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1170 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1171 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1172 // Propagate field escape state.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1173 bool es_changed = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1174 if (e->fields_escape_state() < field_es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1175 set_fields_escape_state(e, field_es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1176 es_changed = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1177 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1178 if ((e->escape_state() < field_es) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1179 e->is_Field() && ptn->is_JavaObject() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1180 e->as_Field()->is_oop()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1181 // Change escape state of referenced fileds.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1182 set_escape_state(e, field_es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1183 es_changed = true;;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1184 } else if (e->escape_state() < es) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1185 set_escape_state(e, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1186 es_changed = true;;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1187 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1188 if (es_changed) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1189 escape_worklist.push(e);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1190 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1191 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1192 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1193 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1194 // Remove escaped objects from non_escaped list.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1195 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	1196 JavaObjectNode* ptn = non_escaped_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1197 if (ptn->escape_state() >= PointsToNode::GlobalEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1198 non_escaped_worklist.delete_at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1199 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1200 if (ptn->escape_state() == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1201 // 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	1202 find_init_values(ptn, phantom_obj, NULL);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1203 }
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 return (non_escaped_worklist.length() > 0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1206 }
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 // 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	1209 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	1210 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1211 if (populate_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1212 // Populate _worklist by uses of jobj's uses.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1213 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	1214 PointsToNode* use = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1215 if (use->is_Arraycopy())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1216 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1217 add_uses_to_worklist(use);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1218 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	1219 // 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	1220 // related field nodes (same base and offset).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1221 add_field_uses_to_worklist(use->as_Field());
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1224 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1225 while(_worklist.length() > 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1226 PointsToNode* use = _worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1227 if (PointsToNode::is_base_use(use)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1228 // 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	1229 use = PointsToNode::get_use_node(use)->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1230 if (add_base(use->as_Field(), jobj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1231 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1232 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1233 continue;
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 assert(!use->is_JavaObject(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1236 if (use->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1237 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	1238 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1239 // 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	1240 if (add_edge(use, jobj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1241 jobj->set_arraycopy_src();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1242 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1243 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1244 // and stop here.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1245 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1246 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1247 if (!add_edge(use, jobj))
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1248 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	1249 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1250 if (use->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1251 add_uses_to_worklist(use);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1252 if (use->arraycopy_dst()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1253 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	1254 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1255 if (e->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1256 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	1257 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1258 // 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	1259 if (add_edge(jobj, e)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1260 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1261 jobj->set_arraycopy_dst();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1262 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1263 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1264 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1265 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1266 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1267 // Added new edge to stored in field values.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1268 // 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	1269 // related field nodes (same base and offset).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1270 add_field_uses_to_worklist(use->as_Field());
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 return new_edges;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1274 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1275
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1276 // Put on worklist all related field nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1277 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	1278 assert(field->is_oop(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1279 int offset = field->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1280 add_uses_to_worklist(field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1281 // 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	1282 // 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	1283 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	1284 PointsToNode* base = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1285 add_fields_to_worklist(field, base);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1286 // 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	1287 // 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	1288 // 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	1289 if (base->arraycopy_src()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1290 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	1291 PointsToNode* arycp = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1292 if (arycp->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1293 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	1294 PointsToNode* abase = k.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1295 if (abase->arraycopy_dst() && abase != base) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1296 // Look for the same arracopy reference.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1297 add_fields_to_worklist(field, abase);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1298 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1299 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1300 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1301 }
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1305
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1306 // Put on worklist all related field nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1307 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	1308 int offset = field->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1309 if (base->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1310 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	1311 PointsToNode* f = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1312 if (PointsToNode::is_base_use(f)) { // Field
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1313 f = PointsToNode::get_use_node(f);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1314 if (f == field \|\| !f->as_Field()->is_oop())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1315 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1316 int offs = f->as_Field()->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1317 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	1318 add_to_worklist(f);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1319 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1320 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1321 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1322 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1323 assert(base->is_JavaObject(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1324 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	1325 // this field's content globally escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1326 (base != phantom_obj) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1327 // NULL object node does not have fields.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1328 (base != null_obj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1329 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	1330 PointsToNode* f = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1331 // 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	1332 // does not update value in source object field.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1333 if (f->is_Arraycopy()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1334 assert(base->arraycopy_dst(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1335 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1336 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1337 if (f == field \|\| !f->as_Field()->is_oop())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1338 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1339 int offs = f->as_Field()->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1340 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	1341 add_to_worklist(f);
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1347
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1348 // Find fields which have unknown value.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1349 int ConnectionGraph::find_field_value(FieldNode* field) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1350 // Escaped fields should have init value already.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1351 assert(field->escape_state() == PointsToNode::NoEscape, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1352 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1353 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	1354 PointsToNode* base = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1355 if (base->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1356 // 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	1357 if (base->ideal_node()->is_Allocate())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1358 return 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1359 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	1360 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1361 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1362 if (add_edge(field, phantom_obj)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1363 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1364 new_edges++;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1365 add_field_uses_to_worklist(field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1366 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1367 return new_edges;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1368 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1369
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1370 // Find fields initializing values for allocations.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1371 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	1372 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	1373 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1374 Node* alloc = pta->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1375 if (init_val == phantom_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1376 // 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	1377 if (alloc->is_Allocate())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1378 return 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1379 assert(alloc->as_CallStaticJava(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1380 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1381 if (alloc->as_CallStaticJava()->method() == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1382 const char* name = alloc->as_CallStaticJava()->_name;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1383 assert(strncmp(name, "_multianewarray", 15) == 0, "sanity");
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 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1386 // 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	1387 // unknown values in fields.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1388 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	1389 PointsToNode* field = i.get();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1390 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	1391 if (add_edge(field, phantom_obj)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1392 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1393 new_edges++;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1394 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	1395 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1396 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1397 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1398 return new_edges;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1399 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1400 assert(init_val == null_obj, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1401 // 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	1402 if (!alloc->is_Allocate())
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1403 return 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1404
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1405 InitializeNode* ini = alloc->as_Allocate()->initialization();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1406 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1407 bool visited_bottom_offset = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1408 GrowableArray<int> offsets_worklist;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1409
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1410 // 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	1411 // 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	1412 // 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	1413 // captured by Initialize node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1414 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1415 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	1416 PointsToNode* field = i.get(); // Field (AddP)
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1417 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	1418 continue; // Not oop field
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1419 int offset = field->as_Field()->offset();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1420 if (offset == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1421 if (!visited_bottom_offset) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1422 // OffsetBot is used to reference array's element,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1423 // 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	1424 // known which element is referenced.
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1425 if (add_edge(field, null_obj)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1426 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1427 new_edges++;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1428 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	1429 visited_bottom_offset = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1430 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1431 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1432 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1433 // Check only oop fields.
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1434 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	1435 if (adr_type->isa_rawptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1436 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1437 // 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	1438 // 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	1439 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	1440 assert(adr_type->isa_rawptr() && base->is_Proj() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1441 (base->in(0) == alloc),"unexpected pointer type");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1442 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1443 continue;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1444 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1445 if (!offsets_worklist.contains(offset)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1446 offsets_worklist.append(offset);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1447 Node* value = NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1448 if (ini != NULL) {
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1449 // StoreP::memory_type() == T_ADDRESS
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1450 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	1451 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	1452 // 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	1453 // 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	1454 // 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	1455 if (store != NULL && store->is_Store() &&
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1456 store->as_Store()->memory_type() == ft) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1457 value = store->in(MemNode::ValueIn);
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1458 #ifdef ASSERT
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1459 if (VerifyConnectionGraph) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1460 // 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	1461 PointsToNode* val = ptnode_adr(value->_idx);
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1462 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	1463 PointsToNode* missed_obj = NULL;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1464 if (val->is_JavaObject()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1465 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	1466 missed_obj = val;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1467 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1468 } else {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1469 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	1470 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	1471 store->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1472 val->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1473 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	1474 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1475 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	1476 PointsToNode* obj = j.get();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1477 if (obj->is_JavaObject()) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1478 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	1479 missed_obj = obj;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1480 break;
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1481 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1482 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1483 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1484 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1485 if (missed_obj != NULL) {
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1486 tty->print_cr("----------field---------------------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1487 field->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1488 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	1489 missed_obj->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1490 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	1491 store->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1492 val->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1493 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	1494 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1495 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1496 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1497 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1498 // There could be initializing stores which follow allocation.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1499 // 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	1500 // by Initialize node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1501 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1502 // 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	1503 // 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	1504 // that compare pointers optimization works correctly.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1505 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1506 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1507 if (value == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1508 // 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	1509 if (add_edge(field, null_obj)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1510 // New edge was added
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1511 new_edges++;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1512 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	1513 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1514 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1515 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1516 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1517 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1518 return new_edges;
0 a61af66fc99e Initial load duke parents: diff changeset	1519 }
a61af66fc99e Initial load duke parents: diff changeset	1520
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1521 // 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	1522 void ConnectionGraph::adjust_scalar_replaceable_state(JavaObjectNode* jobj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1523 // 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	1524 // 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	1525
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1526 // 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	1527 // 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	1528 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1529 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	1530 PointsToNode* use = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1531 assert(!use->is_Arraycopy(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1532 if (use->is_Field()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1533 FieldNode* field = use->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1534 assert(field->is_oop() && field->scalar_replaceable() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1535 field->fields_escape_state() == PointsToNode::NoEscape, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1536 if (field->offset() == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1537 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1538 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1539 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1540 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1541 assert(use->is_Field() \|\| use->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1542 // 2. An object is not scalar replaceable if it is merged with other objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1543 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	1544 PointsToNode* ptn = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1545 if (ptn->is_JavaObject() && ptn != jobj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1546 // Mark all objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1547 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1548 ptn->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1549 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1550 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1551 if (!jobj->scalar_replaceable()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1552 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1553 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1554 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1555
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1556 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	1557 // 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	1558 FieldNode* field = j.get()->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1559 int offset = field->as_Field()->offset();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1560
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1561 // 3. An object is not scalar replaceable if it has a field with unknown
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1562 // offset (array's element is accessed in loop).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1563 if (offset == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1564 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1565 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1566 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1567 // 4. Currently an object is not scalar replaceable if a LoadStore node
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1568 // 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	1569 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1570 Node* n = field->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1571 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	1572 if (n->fast_out(i)->is_LoadStore()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1573 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1574 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1575 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1576 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1577
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1578 // 5. Or the address may point to more then one object. This may produce
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1579 // the false positive result (set not scalar replaceable)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1580 // 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	1581 // 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	1582 // when stores happened on different control branches.
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 // 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	1585 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1586 // Point p[] = new Point[1];
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1587 // 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	1588 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1589 // 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	1590 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1591 // Point p[] = new Point[1];
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1592 // 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	1593 //
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1594 if (field->base_count() > 1) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1595 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	1596 PointsToNode* base = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1597 // Don't take into account LocalVar nodes which
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1598 // 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	1599 // this field's base by now.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1600 if (base->is_JavaObject() && base != jobj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1601 // Mark all bases.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1602 jobj->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1603 base->set_scalar_replaceable(false);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1604 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1605 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1606 }
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1609
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1610 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1611 void ConnectionGraph::verify_connection_graph(
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1612 GrowableArray<PointsToNode*>& ptnodes_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1613 GrowableArray<JavaObjectNode*>& non_escaped_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1614 GrowableArray<JavaObjectNode*>& java_objects_worklist,
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1615 GrowableArray<Node*>& addp_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1616 // 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	1617 int java_objects_length = java_objects_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1618 int non_escaped_length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1619 int new_edges = 0;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1620 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	1621 JavaObjectNode* ptn = java_objects_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1622 new_edges += add_java_object_edges(ptn, true);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1623 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1624 assert(new_edges == 0, "graph was not complete");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1625 // Verify that escape state is final.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1626 int length = non_escaped_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1627 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	1628 assert((non_escaped_length == non_escaped_worklist.length()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1629 (non_escaped_length == length) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1630 (_worklist.length() == 0), "escape state was not final");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1631
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1632 // Verify fields information.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1633 int addp_length = addp_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1634 for (int next = 0; next < addp_length; ++next ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1635 Node* n = addp_worklist.at(next);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1636 FieldNode* field = ptnode_adr(n->_idx)->as_Field();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1637 if (field->is_oop()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1638 // Verify that field has all bases
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1639 Node* base = get_addp_base(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1640 PointsToNode* ptn = ptnode_adr(base->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1641 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1642 assert(field->has_base(ptn->as_JavaObject()), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1643 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1644 assert(ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1645 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	1646 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1647 if (e->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1648 assert(field->has_base(e->as_JavaObject()), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1649 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1650 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1651 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1652 // Verify that all fields have initializing values.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1653 if (field->edge_count() == 0) {
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1654 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	1655 field->dump();
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1656 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	1657 PointsToNode* base = i.get();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1658 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	1659 base->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1660 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	1661 tty->print_cr("----------base has fields-------------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1662 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	1663 j.get()->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1664 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1665 tty->print_cr("----------base has references---------------------");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1666 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	1667 j.get()->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1668 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1669 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1670 }
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1671 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	1672 i.get()->dump();
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	1673 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1674 assert(field->edge_count() > 0, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1675 }
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 }
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 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1680
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1681 // Optimize ideal graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1682 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	1683 GrowableArray<Node*>& storestore_worklist) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1684 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1685 PhaseIterGVN* igvn = _igvn;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1686 if (EliminateLocks) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1687 // Mark locks before changing ideal graph.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1688 int cnt = C->macro_count();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1689 for( int i=0; i < cnt; i++ ) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1690 Node *n = C->macro_node(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1691 if (n->is_AbstractLock()) { // Lock and Unlock nodes
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1692 AbstractLockNode* alock = n->as_AbstractLock();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1693 if (!alock->is_non_esc_obj()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1694 if (not_global_escape(alock->obj_node())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1695 assert(!alock->is_eliminated() \|\| alock->is_coarsened(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1696 // 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	1697 // 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	1698 // to eliminate all associated locks/unlocks.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1699 alock->set_non_esc_obj();
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1704 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1705
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1706 if (OptimizePtrCompare) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1707 // Add ConI(#CC_GT) and ConI(#CC_EQ).
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1708 _pcmp_neq = igvn->makecon(TypeInt::CC_GT);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1709 _pcmp_eq = igvn->makecon(TypeInt::CC_EQ);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1710 // Optimize objects compare.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1711 while (ptr_cmp_worklist.length() != 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1712 Node *n = ptr_cmp_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1713 Node *res = optimize_ptr_compare(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1714 if (res != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1715 #ifndef PRODUCT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1716 if (PrintOptimizePtrCompare) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1717 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	1718 if (Verbose) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1719 n->dump(1);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1720 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1721 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1722 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1723 igvn->replace_node(n, res);
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1726 // cleanup
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1727 if (_pcmp_neq->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1728 igvn->hash_delete(_pcmp_neq);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1729 if (_pcmp_eq->outcnt() == 0)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1730 igvn->hash_delete(_pcmp_eq);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1731 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1732
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1733 // 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	1734 // escape status of associated AllocateNode and optimize out
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1735 // MemBarStoreStore node if the allocated object never escapes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1736 while (storestore_worklist.length() != 0) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1737 Node *n = storestore_worklist.pop();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1738 MemBarStoreStoreNode *storestore = n ->as_MemBarStoreStore();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1739 Node *alloc = storestore->in(MemBarNode::Precedent)->in(0);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1740 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	1741 if (not_global_escape(alloc)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1742 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	1743 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	1744 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	1745 igvn->register_new_node_with_optimizer(mb);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1746 igvn->replace_node(storestore, mb);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1747 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1748 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1749 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1750
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1751 // Optimize objects compare.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1752 Node* ConnectionGraph::optimize_ptr_compare(Node* n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1753 assert(OptimizePtrCompare, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1754 PointsToNode* ptn1 = ptnode_adr(n->in(1)->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1755 PointsToNode* ptn2 = ptnode_adr(n->in(2)->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1756 JavaObjectNode* jobj1 = unique_java_object(n->in(1));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1757 JavaObjectNode* jobj2 = unique_java_object(n->in(2));
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1758 assert(ptn1->is_JavaObject() \|\| ptn1->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1759 assert(ptn2->is_JavaObject() \|\| ptn2->is_LocalVar(), "sanity");
0 a61af66fc99e Initial load duke parents: diff changeset	1760
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1761 // Check simple cases first.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1762 if (jobj1 != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1763 if (jobj1->escape_state() == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1764 if (jobj1 == jobj2) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1765 // Comparing the same not escaping object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1766 return _pcmp_eq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1767 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1768 Node* obj = jobj1->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1769 // Comparing not escaping allocation.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1770 if ((obj->is_Allocate() \|\| obj->is_CallStaticJava()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1771 !ptn2->points_to(jobj1)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1772 return _pcmp_neq; // This includes nullness check.
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 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1775 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1776 if (jobj2 != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1777 if (jobj2->escape_state() == PointsToNode::NoEscape) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1778 Node* obj = jobj2->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1779 // Comparing not escaping allocation.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1780 if ((obj->is_Allocate() \|\| obj->is_CallStaticJava()) &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1781 !ptn1->points_to(jobj2)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1782 return _pcmp_neq; // This includes nullness check.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1783 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1784 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1785 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1786 if (jobj1 != NULL && jobj1 != phantom_obj &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1787 jobj2 != NULL && jobj2 != phantom_obj &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1788 jobj1->ideal_node()->is_Con() &&
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1789 jobj2->ideal_node()->is_Con()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1790 // 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	1791 // compressed pointers - compare types of ConN and ConP instead of nodes.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1792 const Type* t1 = jobj1->ideal_node()->bottom_type()->make_ptr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1793 const Type* t2 = jobj2->ideal_node()->bottom_type()->make_ptr();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1794 assert(t1 != NULL && t2 != NULL, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1795 if (t1->make_ptr() == t2->make_ptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1796 return _pcmp_eq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1797 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1798 return _pcmp_neq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1799 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1800 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1801 if (ptn1->meet(ptn2)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1802 return NULL; // Sets are not disjoint
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1803 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1804
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1805 // Sets are disjoint.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1806 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	1807 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	1808 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	1809 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	1810 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	1811 set2_has_unknown_ptr && set1_has_null_ptr) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1812 // Check nullness of unknown object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1813 return NULL;
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
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1816 // Disjointness by itself is not sufficient since
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1817 // alias analysis is not complete for escaped objects.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1818 // Disjoint sets are definitely unrelated only when
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1819 // 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	1820 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	1821 if (ptn1->non_escaping_allocation()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1822 return _pcmp_neq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1823 }
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 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	1826 if (ptn2->non_escaping_allocation()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1827 return _pcmp_neq;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1828 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1829 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1830 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1831 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1832
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1833 // Connection Graph constuction functions.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1834
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1835 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	1836 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1837 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1838 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	1839 return;
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 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1842 ptadr = new (C->comp_arena()) LocalVarNode(C, n, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1843 _nodes.at_put(n->_idx, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1844 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1845
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1846 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	1847 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1848 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1849 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	1850 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1851 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1852 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1853 ptadr = new (C->comp_arena()) JavaObjectNode(C, n, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1854 _nodes.at_put(n->_idx, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1855 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1856
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1857 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	1858 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1859 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1860 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	1861 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1862 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1863 bool unsafe = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1864 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	1865 if (unsafe) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1866 es = PointsToNode::GlobalEscape;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1867 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1868 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1869 FieldNode* field = new (C->comp_arena()) FieldNode(C, n, es, offset, is_oop);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1870 _nodes.at_put(n->_idx, field);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1871 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1872
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1873 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	1874 PointsToNode* src, PointsToNode* dst) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1875 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	1876 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	1877 PointsToNode* ptadr = _nodes.at(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1878 if (ptadr != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1879 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	1880 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1881 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1882 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1883 ptadr = new (C->comp_arena()) ArraycopyNode(C, n, es);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1884 _nodes.at_put(n->_idx, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1885 // Add edge from arraycopy node to source object.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1886 (void)add_edge(ptadr, src);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1887 src->set_arraycopy_src();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1888 // Add edge from destination object to arraycopy node.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1889 (void)add_edge(dst, ptadr);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1890 dst->set_arraycopy_dst();
0 a61af66fc99e Initial load duke parents: diff changeset	1891 }
a61af66fc99e Initial load duke parents: diff changeset	1892
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1893 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	1894 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	1895 BasicType bt = T_INT;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1896 if (offset == Type::OffsetBot) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1897 // Check only oop fields.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1898 if (!adr_type->isa_aryptr() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1899 (adr_type->isa_aryptr()->klass() == NULL) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1900 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	1901 // 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	1902 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	1903 bt = T_OBJECT;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1904 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1905 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1906 } else if (offset != oopDesc::klass_offset_in_bytes()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1907 if (adr_type->isa_instptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1908 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	1909 if (field != NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1910 bt = field->layout_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1911 } else {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1912 // 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	1913 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	1914 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	1915 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	1916 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	1917 bt = T_OBJECT;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1918 (*unsafe) = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1919 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1920 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1921 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1922 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1923 } else if (adr_type->isa_aryptr()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1924 if (offset == arrayOopDesc::length_offset_in_bytes()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1925 // Ignore array length load.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1926 } 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	1927 // Ignore first AddP.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1928 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1929 const Type* elemtype = adr_type->isa_aryptr()->elem();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1930 bt = elemtype->array_element_basic_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1931 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1932 } 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	1933 // Allocation initialization, ThreadLocal field access, unsafe access
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1934 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	1935 int opcode = n->fast_out(i)->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1936 if (opcode == Op_StoreP \|\| opcode == Op_LoadP \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1937 opcode == Op_StoreN \|\| opcode == Op_LoadN) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1938 bt = T_OBJECT;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5954 diff changeset	1939 break;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1940 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1941 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1942 }
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 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	1945 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1946
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1947 // Returns unique pointed java object or NULL.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1948 JavaObjectNode* ConnectionGraph::unique_java_object(Node *n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1949 assert(!_collecting, "should not call when contructed graph");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1950 // 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	1951 uint idx = n->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1952 if (idx >= nodes_size()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1953 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1954 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1955 PointsToNode* ptn = ptnode_adr(idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1956 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1957 return ptn->as_JavaObject();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1958 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1959 assert(ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1960 // Check all java objects it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1961 JavaObjectNode* jobj = NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1962 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	1963 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1964 if (e->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1965 if (jobj == NULL) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1966 jobj = e->as_JavaObject();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1967 } else if (jobj != e) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1968 return NULL;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1969 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1970 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1971 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1972 return jobj;
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
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1975 // 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	1976 bool PointsToNode::non_escaping_allocation() {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1977 if (is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1978 Node* n = ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1979 if (n->is_Allocate() \|\| n->is_CallStaticJava()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1980 return (escape_state() == PointsToNode::NoEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1981 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1982 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1983 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1984 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1985 assert(is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1986 // Check all java objects it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1987 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	1988 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1989 if (e->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1990 Node* n = e->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1991 if ((e->escape_state() != PointsToNode::NoEscape) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1992 !(n->is_Allocate() \|\| n->is_CallStaticJava())) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1993 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1994 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1995 }
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 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1998 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	1999
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2000 // 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	2001 bool ConnectionGraph::not_global_escape(Node *n) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2002 assert(!_collecting, "should not call during graph construction");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2003 // 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	2004 uint idx = n->_idx;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2005 if (idx >= nodes_size()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2006 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2007 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2008 PointsToNode* ptn = ptnode_adr(idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2009 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2010 // 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	2011 if (es >= PointsToNode::GlobalEscape)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2012 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2013 if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2014 return true; // (es < PointsToNode::GlobalEscape);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2015 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2016 assert(ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2017 // Check all java objects it points to.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2018 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	2019 if (i.get()->escape_state() >= PointsToNode::GlobalEscape)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2020 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2021 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2022 return true;
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
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2025
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2026 // Helper functions
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2027
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2028 // 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	2029 bool PointsToNode::points_to(JavaObjectNode* ptn) const {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2030 if (is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2031 return (this == ptn);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2032 }
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	2033 assert(is_LocalVar() \|\| is_Field(), "sanity");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2034 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	2035 if (i.get() == ptn)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2036 return true;
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 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2039 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2040
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2041 // 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	2042 bool PointsToNode::meet(PointsToNode* ptn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2043 if (this == ptn) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2044 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2045 } else if (ptn->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2046 return this->points_to(ptn->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2047 } else if (this->is_JavaObject()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2048 return ptn->points_to(this->as_JavaObject());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2049 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2050 assert(this->is_LocalVar() && ptn->is_LocalVar(), "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2051 int ptn_count = ptn->edge_count();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2052 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	2053 PointsToNode* this_e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2054 for (int j = 0; j < ptn_count; j++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2055 if (this_e == ptn->edge(j))
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2056 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2057 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2058 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2059 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2060 }
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 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2063 // 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	2064 bool FieldNode::has_base(JavaObjectNode* jobj) const {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2065 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	2066 if (i.get() == jobj)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2067 return true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2068 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2069 return false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2070 }
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2071 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2072
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2073 int ConnectionGraph::address_offset(Node* adr, PhaseTransform *phase) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2074 const Type *adr_type = phase->type(adr);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2075 if (adr->is_AddP() && adr_type->isa_oopptr() == NULL &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2076 adr->in(AddPNode::Address)->is_Proj() &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2077 adr->in(AddPNode::Address)->in(0)->is_Allocate()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2078 // 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	2079 // 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	2080 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	2081 assert(offs != Type::OffsetBot \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2082 adr->in(AddPNode::Address)->in(0)->is_AllocateArray(),
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2083 "offset must be a constant or it is initialization of array");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2084 return offs;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2085 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2086 const TypePtr *t_ptr = adr_type->isa_ptr();
0 a61af66fc99e Initial load duke parents: diff changeset	2087 assert(t_ptr != NULL, "must be a pointer type");
a61af66fc99e Initial load duke parents: diff changeset	2088 return t_ptr->offset();
a61af66fc99e Initial load duke parents: diff changeset	2089 }
a61af66fc99e Initial load duke parents: diff changeset	2090
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2091 Node* ConnectionGraph::get_addp_base(Node *addp) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2092 assert(addp->is_AddP(), "must be AddP");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2093 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2094 // AddP cases for Base and Address inputs:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2095 // case #1. Direct object's field reference:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2096 // Allocate
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2097 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2098 // Proj #5 ( oop result )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2099 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2100 // CheckCastPP (cast to instance type)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2101 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2102 // AddP ( base == address )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2103 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2104 // case #2. Indirect object's field reference:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2105 // Phi
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2106 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2107 // CastPP (cast to instance type)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2108 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2109 // AddP ( base == address )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2110 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2111 // case #3. Raw object's field reference for Initialize node:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2112 // Allocate
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2113 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2114 // Proj #5 ( oop result )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2115 // top \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2116 // \ \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2117 // AddP ( base == top )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2118 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2119 // case #4. Array's element reference:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2120 // {CheckCastPP \| CastPP}
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2121 // \| \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2122 // \| AddP ( array's element offset )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2123 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2124 // AddP ( array's offset )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2125 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2126 // case #5. Raw object's field reference for arraycopy stub call:
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2127 // The inline_native_clone() case when the arraycopy stub is called
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2128 // after the allocation before Initialize and CheckCastPP nodes.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2129 // Allocate
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2130 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2131 // Proj #5 ( oop result )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2132 // \| \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2133 // AddP ( base == address )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2134 //
77 36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2135 // case #6. Constant Pool, ThreadLocal, CastX2P or
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2136 // Raw object's field reference:
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2137 // {ConP, ThreadLocal, CastX2P, raw Load}
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2138 // top \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2139 // \ \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2140 // AddP ( base == top )
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2141 //
77 36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2142 // case #7. Klass's field reference.
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2143 // LoadKlass
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2144 // \| \|
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2145 // AddP ( base == address )
36cd3cc4d27b 6679854: assert in escape.cpp:397 kvn parents: 65 diff changeset	2146 //
164 c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2147 // 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	2148 // LoadNKlass
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2149 // \|
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2150 // DecodeN
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2151 // \| \|
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2152 // AddP ( base == address )
c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	2153 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2154 Node *base = addp->in(AddPNode::Base);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2155 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	2156 base = addp->in(AddPNode::Address);
957 159d56b94894 6880574: C2 assert in escape.cpp:445 on linux-amd64 kvn parents: 866 diff changeset	2157 while (base->is_AddP()) {
159d56b94894 6880574: C2 assert in escape.cpp:445 on linux-amd64 kvn parents: 866 diff changeset	2158 // 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	2159 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	2160 base = base->in(AddPNode::Address);
957 159d56b94894 6880574: C2 assert in escape.cpp:445 on linux-amd64 kvn parents: 866 diff changeset	2161 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2162 Node* uncast_base = base->uncast();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2163 int opcode = uncast_base->Opcode();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2164 assert(opcode == Op_ConP \|\| opcode == Op_ThreadLocal \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	2165 opcode == Op_CastX2P \|\| uncast_base->is_DecodeNarrowPtr() \|\|
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2166 (uncast_base->is_Mem() && uncast_base->bottom_type() == TypeRawPtr::NOTNULL) \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2167 (uncast_base->is_Proj() && uncast_base->in(0)->is_Allocate()), "sanity");
0 a61af66fc99e Initial load duke parents: diff changeset	2168 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2169 return base;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2170 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2171
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2172 Node* ConnectionGraph::find_second_addp(Node* addp, Node* n) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2173 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	2174 Node* addp2 = addp->raw_out(0);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2175 if (addp->outcnt() == 1 && addp2->is_AddP() &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2176 addp2->in(AddPNode::Base) == n &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2177 addp2->in(AddPNode::Address) == addp) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2178 assert(addp->in(AddPNode::Base) == n, "expecting the same base");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2179 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2180 // Find array's offset to push it on worklist first and
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2181 // as result process an array's element offset first (pushed second)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2182 // to avoid CastPP for the array's offset.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2183 // Otherwise the inserted CastPP (LocalVar) will point to what
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2184 // the AddP (Field) points to. Which would be wrong since
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2185 // the algorithm expects the CastPP has the same point as
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2186 // as AddP's base CheckCastPP (LocalVar).
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2187 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2188 // ArrayAllocation
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 // CheckCastPP
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 // memProj (from ArrayAllocation CheckCastPP)
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 // \| \|\| Int (element index)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2195 // \| \|\| \| ConI (log(element size))
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2196 // \| \|\| \| /
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2197 // \| \|\| LShift
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 // \| AddP (array's element offset)
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 // \| \| ConI (array's offset: #12(32-bits) or #24(64-bits))
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 // AddP (array's offset)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2204 // \|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2205 // Load/Store (memory operation on array's element)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2206 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2207 return addp2;
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 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2210 }
a61af66fc99e Initial load duke parents: diff changeset	2211
a61af66fc99e Initial load duke parents: diff changeset	2212 //
a61af66fc99e Initial load duke parents: diff changeset	2213 // Adjust the type and inputs of an AddP which computes the
a61af66fc99e Initial load duke parents: diff changeset	2214 // address of a field of an instance
a61af66fc99e Initial load duke parents: diff changeset	2215 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2216 bool ConnectionGraph::split_AddP(Node addp, Node base) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2217 PhaseGVN* igvn = _igvn;
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2218 const TypeOopPtr *base_t = igvn->type(base)->isa_oopptr();
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2219 assert(base_t != NULL && base_t->is_known_instance(), "expecting instance oopptr");
0 a61af66fc99e Initial load duke parents: diff changeset	2220 const TypeOopPtr *t = igvn->type(addp)->isa_oopptr();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2221 if (t == NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2222 // 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	2223 // compute an appropriate address type (cases #3 and #5).
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2224 assert(igvn->type(addp) == TypeRawPtr::NOTNULL, "must be raw pointer");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2225 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	2226 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	2227 assert(offs != Type::OffsetBot, "offset must be a constant");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2228 t = base_t->add_offset(offs)->is_oopptr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2229 }
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2230 int inst_id = base_t->instance_id();
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2231 assert(!t->is_known_instance() \|\| t->instance_id() == inst_id,
0 a61af66fc99e Initial load duke parents: diff changeset	2232 "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	2233
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2234 // 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	2235 // 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	2236 // 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	2237 // 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	2238 //
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2239 // 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	2240 // 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	2241 // 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	2242 //
988 7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2243 // 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	2244 // 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	2245 // (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	2246 //
293 c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2247 // 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	2248 // 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	2249 //
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2250 if (!t->is_known_instance() &&
988 7e309ecb83ce 6879362: assert(!klass_is_exact(),"only non-exact klass") kvn parents: 957 diff changeset	2251 !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	2252 return false; // bail out
c3e045194476 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") kvn parents: 253 diff changeset	2253 }
0 a61af66fc99e Initial load duke parents: diff changeset	2254 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	2255 // 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	2256 // 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	2257 // has side effect.
0 a61af66fc99e Initial load duke parents: diff changeset	2258 int alias_idx = _compile->get_alias_index(tinst);
a61af66fc99e Initial load duke parents: diff changeset	2259 igvn->set_type(addp, tinst);
a61af66fc99e Initial load duke parents: diff changeset	2260 // record the allocation in the node map
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2261 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	2262 // 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	2263 Node *abase = addp->in(AddPNode::Base);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2264 Node *adr = addp->in(AddPNode::Address);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2265 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	2266 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	2267 // Skip AddP cases #3 and #5.
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2268 } else {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2269 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	2270 if (abase != base) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2271 igvn->hash_delete(addp);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2272 addp->set_req(AddPNode::Base, base);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2273 if (abase == adr) {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2274 addp->set_req(AddPNode::Address, base);
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2275 } else {
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2276 // 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	2277 #ifdef ASSERT
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2278 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	2279 assert(adr->is_AddP() && atype != NULL &&
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2280 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	2281 #endif
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2282 }
b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2283 igvn->hash_insert(addp);
0 a61af66fc99e Initial load duke parents: diff changeset	2284 }
a61af66fc99e Initial load duke parents: diff changeset	2285 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2286 // 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	2287 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	2288 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	2289 }
a61af66fc99e Initial load duke parents: diff changeset	2290
a61af66fc99e Initial load duke parents: diff changeset	2291 //
a61af66fc99e Initial load duke parents: diff changeset	2292 // 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	2293 // created phi or an existing phi. Sets create_new to indicate whether a new
0 a61af66fc99e Initial load duke parents: diff changeset	2294 // phi was created. Cache the last newly created phi in the node map.
a61af66fc99e Initial load duke parents: diff changeset	2295 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2296 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	2297 Compile *C = _compile;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2298 PhaseGVN* igvn = _igvn;
0 a61af66fc99e Initial load duke parents: diff changeset	2299 new_created = false;
a61af66fc99e Initial load duke parents: diff changeset	2300 int phi_alias_idx = C->get_alias_index(orig_phi->adr_type());
a61af66fc99e Initial load duke parents: diff changeset	2301 // 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	2302 if (phi_alias_idx == alias_idx) {
0 a61af66fc99e Initial load duke parents: diff changeset	2303 return orig_phi;
a61af66fc99e Initial load duke parents: diff changeset	2304 }
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2305 // Have we recently created a Phi for this alias index?
0 a61af66fc99e Initial load duke parents: diff changeset	2306 PhiNode *result = get_map_phi(orig_phi->_idx);
a61af66fc99e Initial load duke parents: diff changeset	2307 if (result != NULL && C->get_alias_index(result->adr_type()) == alias_idx) {
a61af66fc99e Initial load duke parents: diff changeset	2308 return result;
a61af66fc99e Initial load duke parents: diff changeset	2309 }
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2310 // 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	2311 // 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	2312 if (result != NULL) {
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2313 Node* region = orig_phi->in(0);
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2314 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	2315 Node* phi = region->fast_out(i);
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2316 if (phi->is_Phi() &&
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2317 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	2318 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	2319 return phi->as_Phi();
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2320 }
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2321 }
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 784 diff changeset	2322 }
38 b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2323 if ((int)C->unique() + 2*NodeLimitFudgeFactor > MaxNodeLimit) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2324 if (C->do_escape_analysis() == true && !C->failing()) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2325 // Retry compilation without escape analysis.
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2326 // 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	2327 // 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	2328 C->record_failure(C2Compiler::retry_no_escape_analysis());
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2329 }
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2330 return NULL;
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2331 }
0 a61af66fc99e Initial load duke parents: diff changeset	2332 orig_phi_worklist.append_if_missing(orig_phi);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2333 const TypePtr *atype = C->get_adr_type(alias_idx);
0 a61af66fc99e Initial load duke parents: diff changeset	2334 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	2335 C->copy_node_notes_to(result, orig_phi);
0 a61af66fc99e Initial load duke parents: diff changeset	2336 igvn->set_type(result, result->bottom_type());
a61af66fc99e Initial load duke parents: diff changeset	2337 record_for_optimizer(result);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2338 set_map(orig_phi, result);
0 a61af66fc99e Initial load duke parents: diff changeset	2339 new_created = true;
a61af66fc99e Initial load duke parents: diff changeset	2340 return result;
a61af66fc99e Initial load duke parents: diff changeset	2341 }
a61af66fc99e Initial load duke parents: diff changeset	2342
a61af66fc99e Initial load duke parents: diff changeset	2343 //
2459 55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2344 // Return a new version of Memory Phi "orig_phi" with the inputs having the
0 a61af66fc99e Initial load duke parents: diff changeset	2345 // specified alias index.
a61af66fc99e Initial load duke parents: diff changeset	2346 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2347 PhiNode ConnectionGraph::split_memory_phi(PhiNode orig_phi, int alias_idx, GrowableArray<PhiNode *> &orig_phi_worklist) {
0 a61af66fc99e Initial load duke parents: diff changeset	2348 assert(alias_idx != Compile::AliasIdxBot, "can't split out bottom memory");
a61af66fc99e Initial load duke parents: diff changeset	2349 Compile *C = _compile;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2350 PhaseGVN* igvn = _igvn;
0 a61af66fc99e Initial load duke parents: diff changeset	2351 bool new_phi_created;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2352 PhiNode *result = create_split_phi(orig_phi, alias_idx, orig_phi_worklist, new_phi_created);
0 a61af66fc99e Initial load duke parents: diff changeset	2353 if (!new_phi_created) {
a61af66fc99e Initial load duke parents: diff changeset	2354 return result;
a61af66fc99e Initial load duke parents: diff changeset	2355 }
a61af66fc99e Initial load duke parents: diff changeset	2356 GrowableArray<PhiNode *> phi_list;
a61af66fc99e Initial load duke parents: diff changeset	2357 GrowableArray<uint> cur_input;
a61af66fc99e Initial load duke parents: diff changeset	2358 PhiNode *phi = orig_phi;
a61af66fc99e Initial load duke parents: diff changeset	2359 uint idx = 1;
a61af66fc99e Initial load duke parents: diff changeset	2360 bool finished = false;
a61af66fc99e Initial load duke parents: diff changeset	2361 while(!finished) {
a61af66fc99e Initial load duke parents: diff changeset	2362 while (idx < phi->req()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2363 Node *mem = find_inst_mem(phi->in(idx), alias_idx, orig_phi_worklist);
0 a61af66fc99e Initial load duke parents: diff changeset	2364 if (mem != NULL && mem->is_Phi()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2365 PhiNode *newphi = create_split_phi(mem->as_Phi(), alias_idx, orig_phi_worklist, new_phi_created);
0 a61af66fc99e Initial load duke parents: diff changeset	2366 if (new_phi_created) {
a61af66fc99e Initial load duke parents: diff changeset	2367 // found an phi for which we created a new split, push current one on worklist and begin
a61af66fc99e Initial load duke parents: diff changeset	2368 // processing new one
a61af66fc99e Initial load duke parents: diff changeset	2369 phi_list.push(phi);
a61af66fc99e Initial load duke parents: diff changeset	2370 cur_input.push(idx);
a61af66fc99e Initial load duke parents: diff changeset	2371 phi = mem->as_Phi();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2372 result = newphi;
0 a61af66fc99e Initial load duke parents: diff changeset	2373 idx = 1;
a61af66fc99e Initial load duke parents: diff changeset	2374 continue;
a61af66fc99e Initial load duke parents: diff changeset	2375 } else {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2376 mem = newphi;
0 a61af66fc99e Initial load duke parents: diff changeset	2377 }
a61af66fc99e Initial load duke parents: diff changeset	2378 }
38 b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2379 if (C->failing()) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2380 return NULL;
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2381 }
0 a61af66fc99e Initial load duke parents: diff changeset	2382 result->set_req(idx++, mem);
a61af66fc99e Initial load duke parents: diff changeset	2383 }
a61af66fc99e Initial load duke parents: diff changeset	2384 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2385 // verify that the new Phi has an input for each input of the original
a61af66fc99e Initial load duke parents: diff changeset	2386 assert( phi->req() == result->req(), "must have same number of inputs.");
a61af66fc99e Initial load duke parents: diff changeset	2387 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	2388 #endif
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2389 // Check if all new phi's inputs have specified alias index.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2390 // Otherwise use old phi.
0 a61af66fc99e Initial load duke parents: diff changeset	2391 for (uint i = 1; i < phi->req(); i++) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2392 Node* in = result->in(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2393 assert((phi->in(i) == NULL) == (in == NULL), "inputs must correspond.");
0 a61af66fc99e Initial load duke parents: diff changeset	2394 }
a61af66fc99e Initial load duke parents: diff changeset	2395 // we have finished processing a Phi, see if there are any more to do
a61af66fc99e Initial load duke parents: diff changeset	2396 finished = (phi_list.length() == 0 );
a61af66fc99e Initial load duke parents: diff changeset	2397 if (!finished) {
a61af66fc99e Initial load duke parents: diff changeset	2398 phi = phi_list.pop();
a61af66fc99e Initial load duke parents: diff changeset	2399 idx = cur_input.pop();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2400 PhiNode *prev_result = get_map_phi(phi->_idx);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2401 prev_result->set_req(idx++, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2402 result = prev_result;
0 a61af66fc99e Initial load duke parents: diff changeset	2403 }
a61af66fc99e Initial load duke parents: diff changeset	2404 }
a61af66fc99e Initial load duke parents: diff changeset	2405 return result;
a61af66fc99e Initial load duke parents: diff changeset	2406 }
a61af66fc99e Initial load duke parents: diff changeset	2407
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2408 //
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2409 // The next methods are derived from methods in MemNode.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2410 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2411 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	2412 Node *mem = mmem;
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2413 // TypeOopPtr::NOTNULL+any is an OOP with unknown offset - generally
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2414 // 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	2415 // alias stuff with it any time soon.
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2416 if (toop->base() != Type::AnyPtr &&
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2417 !(toop->klass() != NULL &&
5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2418 toop->klass()->is_java_lang_Object() &&
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2419 toop->offset() == Type::OffsetBot)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2420 mem = mmem->memory_at(alias_idx);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2421 // Update input if it is progress over what we have now
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2422 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2423 return mem;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2424 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2425
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2426 //
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2427 // Move memory users to their memory slices.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2428 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2429 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	2430 Compile* C = _compile;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2431 PhaseGVN* igvn = _igvn;
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2432 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	2433 assert(tp != NULL, "ptr type");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2434 int alias_idx = C->get_alias_index(tp);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2435 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	2436
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2437 // Move users first
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2438 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	2439 Node* use = n->fast_out(i);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2440 if (use->is_MergeMem()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2441 MergeMemNode* mmem = use->as_MergeMem();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2442 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	2443 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	2444 continue; // Nothing to do
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2445 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2446 // Replace previous general reference to mem node.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2447 uint orig_uniq = C->unique();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2448 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	2449 assert(orig_uniq == C->unique(), "no new nodes");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2450 mmem->set_memory_at(general_idx, m);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2451 --imax;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2452 --i;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2453 } else if (use->is_MemBar()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2454 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	2455 if (use->req() > MemBarNode::Precedent &&
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2456 use->in(MemBarNode::Precedent) == n) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2457 // Don't move related membars.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2458 record_for_optimizer(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2459 continue;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2460 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2461 tp = use->as_MemBar()->adr_type()->isa_ptr();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2462 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	2463 alias_idx == general_idx) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2464 continue; // Nothing to do
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2465 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2466 // Move to general memory slice.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2467 uint orig_uniq = C->unique();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2468 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	2469 assert(orig_uniq == C->unique(), "no new nodes");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2470 igvn->hash_delete(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2471 imax -= use->replace_edge(n, m);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2472 igvn->hash_insert(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2473 record_for_optimizer(use);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2474 --i;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2475 #ifdef ASSERT
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2476 } else if (use->is_Mem()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2477 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	2478 // Don't move related cardmark.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2479 continue;
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2480 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2481 // Memory nodes should have new memory input.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2482 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	2483 assert(tp != NULL, "ptr type");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2484 int idx = C->get_alias_index(tp);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2485 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	2486 "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	2487 } else if (use->is_Phi()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2488 // Phi nodes should be split and moved already.
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2489 tp = use->as_Phi()->adr_type()->isa_ptr();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2490 assert(tp != NULL, "ptr type");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2491 int idx = C->get_alias_index(tp);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2492 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	2493 } else {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2494 use->dump();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2495 assert(false, "should not be here");
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2496 #endif
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2497 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2498 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2499 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2500
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2501 //
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2502 // Search memory chain of "mem" to find a MemNode whose address
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2503 // is the specified alias index.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2504 //
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2505 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	2506 if (orig_mem == NULL)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2507 return orig_mem;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2508 Compile* C = _compile;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2509 PhaseGVN* igvn = _igvn;
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2510 const TypeOopPtr *toop = C->get_adr_type(alias_idx)->isa_oopptr();
5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2511 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	2512 Node *start_mem = C->start()->proj_out(TypeFunc::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2513 Node *prev = NULL;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2514 Node *result = orig_mem;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2515 while (prev != result) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2516 prev = result;
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2517 if (result == start_mem)
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2518 break; // hit one of our sentinels
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2519 if (result->is_Mem()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2520 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	2521 if (at == Type::TOP)
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2522 break; // Dead
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2523 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	2524 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	2525 if (idx == alias_idx)
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2526 break; // Found
55973726c600 6992789: assert(phi->_idx >= nodes_size()) failed: only new Phi per instance memory slice kvn parents: 2249 diff changeset	2527 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	2528 !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	2529 break; // Do not skip store to general memory slice.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2530 }
253 b0fe4deeb9fb 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") kvn parents: 247 diff changeset	2531 result = result->in(MemNode::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2532 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2533 if (!is_instance)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2534 continue; // don't search further for non-instance types
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2535 // skip over a call which does not affect this memory slice
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2536 if (result->is_Proj() && result->as_Proj()->_con == TypeFunc::Memory) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2537 Node *proj_in = result->in(0);
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2538 if (proj_in->is_Allocate() && proj_in->_idx == (uint)toop->instance_id()) {
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2539 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	2540 } else if (proj_in->is_Call()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2541 CallNode *call = proj_in->as_Call();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2542 if (!call->may_modify(toop, igvn)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2543 result = call->in(TypeFunc::Memory);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2544 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2545 } else if (proj_in->is_Initialize()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2546 AllocateNode* alloc = proj_in->as_Initialize()->allocation();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2547 // Stop if this is the initialization for the object instance which
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2548 // which contains this memory slice, otherwise skip over it.
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2549 if (alloc == NULL \|\| alloc->_idx != (uint)toop->instance_id()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2550 result = proj_in->in(TypeFunc::Memory);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2551 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2552 } else if (proj_in->is_MemBar()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2553 result = proj_in->in(TypeFunc::Memory);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2554 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2555 } else if (result->is_MergeMem()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2556 MergeMemNode *mmem = result->as_MergeMem();
1815 5867d89c129b 6982537: Crash in Nodestep_through_mergemem never* parents: 1634 diff changeset	2557 result = step_through_mergemem(mmem, alias_idx, toop);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2558 if (result == mmem->base_memory()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2559 // Didn't find instance memory, search through general slice recursively.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2560 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	2561 result = find_inst_mem(result, alias_idx, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2562 if (C->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2563 return NULL;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2564 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2565 mmem->set_memory_at(alias_idx, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2566 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2567 } else if (result->is_Phi() &&
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2568 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	2569 Node *un = result->as_Phi()->unique_input(igvn);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2570 if (un != NULL) {
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2571 orig_phis.append_if_missing(result->as_Phi());
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2572 result = un;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2573 } else {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2574 break;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2575 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2576 } else if (result->is_ClearArray()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2577 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	2578 // Can not bypass initialization of the instance
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2579 // we are looking for.
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2580 break;
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2581 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2582 // Otherwise skip it (the call updated 'result' value).
584 49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2583 } else if (result->Opcode() == Op_SCMemProj) {
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2584 assert(result->in(0)->is_LoadStore(), "sanity");
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2585 const Type *at = igvn->type(result->in(0)->in(MemNode::Address));
584 49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2586 if (at != Type::TOP) {
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2587 assert (at->isa_ptr() != NULL, "pointer type required.");
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2588 int idx = C->get_alias_index(at->is_ptr());
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2589 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	2590 break;
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2591 }
49a36a80b0c7 6802499: EA: assert(false,"unknown node on this path") kvn parents: 460 diff changeset	2592 result = result->in(0)->in(MemNode::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2593 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2594 }
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2595 if (result->is_Phi()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2596 PhiNode *mphi = result->as_Phi();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2597 assert(mphi->bottom_type() == Type::MEMORY, "memory phi required");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2598 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	2599 if (!is_instance) {
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2600 // 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	2601 // during Phase 4 if needed.
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2602 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	2603 } 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	2604 // 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	2605 result = split_memory_phi(mphi, alias_idx, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2606 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2607 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2608 // the result is either MemNode, PhiNode, InitializeNode.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2609 return result;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2610 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2611
0 a61af66fc99e Initial load duke parents: diff changeset	2612 //
a61af66fc99e Initial load duke parents: diff changeset	2613 // Convert the types of unescaped object to instance types where possible,
a61af66fc99e Initial load duke parents: diff changeset	2614 // propagate the new type information through the graph, and update memory
a61af66fc99e Initial load duke parents: diff changeset	2615 // edges and MergeMem inputs to reflect the new type.
a61af66fc99e Initial load duke parents: diff changeset	2616 //
a61af66fc99e Initial load duke parents: diff changeset	2617 // We start with allocations (and calls which may be allocations) on alloc_worklist.
a61af66fc99e Initial load duke parents: diff changeset	2618 // The processing is done in 4 phases:
a61af66fc99e Initial load duke parents: diff changeset	2619 //
a61af66fc99e Initial load duke parents: diff changeset	2620 // Phase 1: Process possible allocations from alloc_worklist. Create instance
a61af66fc99e Initial load duke parents: diff changeset	2621 // types for the CheckCastPP for allocations where possible.
a61af66fc99e Initial load duke parents: diff changeset	2622 // Propagate the the new types through users as follows:
a61af66fc99e Initial load duke parents: diff changeset	2623 // casts and Phi: push users on alloc_worklist
a61af66fc99e Initial load duke parents: diff changeset	2624 // AddP: cast Base and Address inputs to the instance type
a61af66fc99e Initial load duke parents: diff changeset	2625 // push any AddP users on alloc_worklist and push any memnode
a61af66fc99e Initial load duke parents: diff changeset	2626 // users onto memnode_worklist.
a61af66fc99e Initial load duke parents: diff changeset	2627 // Phase 2: Process MemNode's from memnode_worklist. compute new address type and
a61af66fc99e Initial load duke parents: diff changeset	2628 // search the Memory chain for a store with the appropriate type
a61af66fc99e Initial load duke parents: diff changeset	2629 // address type. If a Phi is found, create a new version with
605 98cb887364d3 6810672: Comment typos twisti parents: 584 diff changeset	2630 // the appropriate memory slices from each of the Phi inputs.
0 a61af66fc99e Initial load duke parents: diff changeset	2631 // For stores, process the users as follows:
a61af66fc99e Initial load duke parents: diff changeset	2632 // MemNode: push on memnode_worklist
a61af66fc99e Initial load duke parents: diff changeset	2633 // MergeMem: push on mergemem_worklist
a61af66fc99e Initial load duke parents: diff changeset	2634 // Phase 3: Process MergeMem nodes from mergemem_worklist. Walk each memory slice
a61af66fc99e Initial load duke parents: diff changeset	2635 // moving the first node encountered of each instance type to the
a61af66fc99e Initial load duke parents: diff changeset	2636 // the input corresponding to its alias index.
a61af66fc99e Initial load duke parents: diff changeset	2637 // appropriate memory slice.
a61af66fc99e Initial load duke parents: diff changeset	2638 // Phase 4: Update the inputs of non-instance memory Phis and the Memory input of memnodes.
a61af66fc99e Initial load duke parents: diff changeset	2639 //
a61af66fc99e Initial load duke parents: diff changeset	2640 // In the following example, the CheckCastPP nodes are the cast of allocation
a61af66fc99e Initial load duke parents: diff changeset	2641 // results and the allocation of node 29 is unescaped and eligible to be an
a61af66fc99e Initial load duke parents: diff changeset	2642 // instance type.
a61af66fc99e Initial load duke parents: diff changeset	2643 //
a61af66fc99e Initial load duke parents: diff changeset	2644 // We start with:
a61af66fc99e Initial load duke parents: diff changeset	2645 //
a61af66fc99e Initial load duke parents: diff changeset	2646 // 7 Parm #memory
a61af66fc99e Initial load duke parents: diff changeset	2647 // 10 ConI "12"
a61af66fc99e Initial load duke parents: diff changeset	2648 // 19 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2649 // 20 AddP _ 19 19 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2650 // 29 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2651 // 30 AddP _ 29 29 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2652 //
a61af66fc99e Initial load duke parents: diff changeset	2653 // 40 StoreP 25 7 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2654 // 50 StoreP 35 40 30 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2655 // 60 StoreP 45 50 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2656 // 70 LoadP _ 60 30 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2657 // 80 Phi 75 50 60 Memory alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2658 // 90 LoadP _ 80 30 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2659 // 100 LoadP _ 80 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2660 //
a61af66fc99e Initial load duke parents: diff changeset	2661 //
a61af66fc99e Initial load duke parents: diff changeset	2662 // Phase 1 creates an instance type for node 29 assigning it an instance id of 24
a61af66fc99e Initial load duke parents: diff changeset	2663 // and creating a new alias index for node 30. This gives:
a61af66fc99e Initial load duke parents: diff changeset	2664 //
a61af66fc99e Initial load duke parents: diff changeset	2665 // 7 Parm #memory
a61af66fc99e Initial load duke parents: diff changeset	2666 // 10 ConI "12"
a61af66fc99e Initial load duke parents: diff changeset	2667 // 19 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2668 // 20 AddP _ 19 19 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2669 // 29 CheckCastPP "Foo" iid=24
a61af66fc99e Initial load duke parents: diff changeset	2670 // 30 AddP _ 29 29 10 Foo+12 alias_index=6 iid=24
a61af66fc99e Initial load duke parents: diff changeset	2671 //
a61af66fc99e Initial load duke parents: diff changeset	2672 // 40 StoreP 25 7 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2673 // 50 StoreP 35 40 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2674 // 60 StoreP 45 50 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2675 // 70 LoadP _ 60 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2676 // 80 Phi 75 50 60 Memory alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2677 // 90 LoadP _ 80 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2678 // 100 LoadP _ 80 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2679 //
a61af66fc99e Initial load duke parents: diff changeset	2680 // In phase 2, new memory inputs are computed for the loads and stores,
a61af66fc99e Initial load duke parents: diff changeset	2681 // And a new version of the phi is created. In phase 4, the inputs to
a61af66fc99e Initial load duke parents: diff changeset	2682 // node 80 are updated and then the memory nodes are updated with the
a61af66fc99e Initial load duke parents: diff changeset	2683 // values computed in phase 2. This results in:
a61af66fc99e Initial load duke parents: diff changeset	2684 //
a61af66fc99e Initial load duke parents: diff changeset	2685 // 7 Parm #memory
a61af66fc99e Initial load duke parents: diff changeset	2686 // 10 ConI "12"
a61af66fc99e Initial load duke parents: diff changeset	2687 // 19 CheckCastPP "Foo"
a61af66fc99e Initial load duke parents: diff changeset	2688 // 20 AddP _ 19 19 10 Foo+12 alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2689 // 29 CheckCastPP "Foo" iid=24
a61af66fc99e Initial load duke parents: diff changeset	2690 // 30 AddP _ 29 29 10 Foo+12 alias_index=6 iid=24
a61af66fc99e Initial load duke parents: diff changeset	2691 //
a61af66fc99e Initial load duke parents: diff changeset	2692 // 40 StoreP 25 7 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2693 // 50 StoreP 35 7 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2694 // 60 StoreP 45 40 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2695 // 70 LoadP _ 50 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2696 // 80 Phi 75 40 60 Memory alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2697 // 120 Phi 75 50 50 Memory alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2698 // 90 LoadP _ 120 30 ... alias_index=6
a61af66fc99e Initial load duke parents: diff changeset	2699 // 100 LoadP _ 80 20 ... alias_index=4
a61af66fc99e Initial load duke parents: diff changeset	2700 //
a61af66fc99e Initial load duke parents: diff changeset	2701 void ConnectionGraph::split_unique_types(GrowableArray<Node *> &alloc_worklist) {
a61af66fc99e Initial load duke parents: diff changeset	2702 GrowableArray<Node *> memnode_worklist;
a61af66fc99e Initial load duke parents: diff changeset	2703 GrowableArray<PhiNode *> orig_phis;
1921 e4fcbeb5a698 6991188: C2 Crashes while compiling method kvn parents: 1815 diff changeset	2704 PhaseIterGVN *igvn = _igvn;
0 a61af66fc99e Initial load duke parents: diff changeset	2705 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	2706 Arena* arena = Thread::current()->resource_area();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2707 VectorSet visited(arena);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2708 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	2709 uint unique_old = _compile->unique();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2710
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2711 // Phase 1: Process possible allocations from alloc_worklist.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2712 // Create instance types for the CheckCastPP for allocations where possible.
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2713 //
524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2714 // (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	2715 // 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	2716 // see the comment in find_second_addp().)
524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2717 //
0 a61af66fc99e Initial load duke parents: diff changeset	2718 while (alloc_worklist.length() != 0) {
a61af66fc99e Initial load duke parents: diff changeset	2719 Node *n = alloc_worklist.pop();
a61af66fc99e Initial load duke parents: diff changeset	2720 uint ni = n->_idx;
a61af66fc99e Initial load duke parents: diff changeset	2721 if (n->is_Call()) {
a61af66fc99e Initial load duke parents: diff changeset	2722 CallNode *alloc = n->as_Call();
a61af66fc99e Initial load duke parents: diff changeset	2723 // copy escape information to call node
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	2724 PointsToNode* ptn = ptnode_adr(alloc->_idx);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2725 PointsToNode::EscapeState es = ptn->escape_state();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2726 // We have an allocation or call which returns a Java object,
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2727 // see if it is unescaped.
4058 59e515ee9354 7059047: EA: can't find initializing store with several CheckCastPP kvn parents: 4046 diff changeset	2728 if (es != PointsToNode::NoEscape \|\| !ptn->scalar_replaceable())
0 a61af66fc99e Initial load duke parents: diff changeset	2729 continue;
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2730 // 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	2731 n = alloc->result_cast();
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2732 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	2733 if (alloc->is_Allocate()) {
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2734 // 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	2735 // 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	2736 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	2737 }
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2738 continue;
39 76256d272075 6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation kvn parents: 38 diff changeset	2739 }
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2740 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	2741 assert(!alloc->is_Allocate(), "allocation should have unique type");
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2742 continue;
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2743 }
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2744
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2745 // 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	2746 // 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	2747 // object. Detect this case and use the second cast.
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2748 // Also detect j.l.reflect.Array.newInstance(jobject, jint) case when
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2749 // the allocation result is cast to java.lang.Object and then
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2750 // to the actual Array type.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2751 if (alloc->is_Allocate() && n->as_Type()->type() == TypeInstPtr::NOTNULL
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2752 && (alloc->is_AllocateArray() \|\|
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	2753 igvn->type(alloc->in(AllocateNode::KlassNode)) != TypeKlassPtr::OBJECT)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2754 Node *cast2 = NULL;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2755 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	2756 Node *use = n->fast_out(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2757 if (use->is_CheckCastPP()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2758 cast2 = use;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2759 break;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2760 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2761 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2762 if (cast2 != NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2763 n = cast2;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2764 } else {
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2765 // 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	2766 // (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	2767 // deoptimization without precise type.
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2768 continue;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2769 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2770 }
784 b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2771 if (alloc->is_Allocate()) {
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2772 // 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	2773 // so it could be eliminated.
b2934faac289 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException kvn parents: 605 diff changeset	2774 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	2775 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2776 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	2777 // 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	2778 // - a direct allocation (not a call returning an object)
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2779 // - non-escaping
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2780 // - eligible to be a unique type
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2781 // - 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	2782 set_map(alloc, n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2783 set_map(n, alloc);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2784 const TypeOopPtr *t = igvn->type(n)->isa_oopptr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2785 if (t == NULL)
4058 59e515ee9354 7059047: EA: can't find initializing store with several CheckCastPP kvn parents: 4046 diff changeset	2786 continue; // not a TypeOopPtr
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2787 const TypeOopPtr* tinst = t->cast_to_exactness(true)->is_oopptr()->cast_to_instance_id(ni);
0 a61af66fc99e Initial load duke parents: diff changeset	2788 igvn->hash_delete(n);
a61af66fc99e Initial load duke parents: diff changeset	2789 igvn->set_type(n, tinst);
a61af66fc99e Initial load duke parents: diff changeset	2790 n->raise_bottom_type(tinst);
a61af66fc99e Initial load duke parents: diff changeset	2791 igvn->hash_insert(n);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2792 record_for_optimizer(n);
4058 59e515ee9354 7059047: EA: can't find initializing store with several CheckCastPP kvn parents: 4046 diff changeset	2793 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	2794
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2795 // 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	2796 // 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	2797 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	2798 PointsToNode* tgt = e.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2799 Node* use = tgt->ideal_node();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2800 assert(tgt->is_Field() && use->is_AddP(),
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2801 "only AddP nodes are Field edges in CG");
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2802 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	2803 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	2804 if (addp2 != NULL) {
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2805 assert(alloc->is_AllocateArray(),"array allocation was expected");
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2806 alloc_worklist.append_if_missing(addp2);
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2807 }
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2808 alloc_worklist.append_if_missing(use);
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2809 }
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2810 }
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2811
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2812 // An allocation may have an Initialize which has raw stores. Scan
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2813 // the users of the raw allocation result and push AddP users
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2814 // on alloc_worklist.
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2815 Node *raw_result = alloc->proj_out(TypeFunc::Parms);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2816 assert (raw_result != NULL, "must have an allocation result");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2817 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	2818 Node *use = raw_result->fast_out(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2819 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	2820 Node* addp2 = find_second_addp(use, raw_result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2821 if (addp2 != NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2822 assert(alloc->is_AllocateArray(),"array allocation was expected");
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2823 alloc_worklist.append_if_missing(addp2);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2824 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2825 alloc_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2826 } else if (use->is_MemBar()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2827 memnode_worklist.append_if_missing(use);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2828 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2829 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2830 }
0 a61af66fc99e Initial load duke parents: diff changeset	2831 } else if (n->is_AddP()) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2832 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	2833 if (jobj == NULL \|\| jobj == phantom_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2834 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2835 ptnode_adr(get_addp_base(n)->_idx)->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2836 ptnode_adr(n->_idx)->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2837 assert(jobj != NULL && jobj != phantom_obj, "escaped allocation");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2838 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2839 _compile->record_failure(C2Compiler::retry_no_escape_analysis());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2840 return;
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2841 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2842 Node *base = get_map(jobj->idx()); // CheckCastPP node
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2843 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	2844 } else if (n->is_Phi() \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2845 n->is_CheckCastPP() \|\|
168 7793bd37a336 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops kvn parents: 164 diff changeset	2846 n->is_EncodeP() \|\|
7793bd37a336 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops kvn parents: 164 diff changeset	2847 n->is_DecodeN() \|\|
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2848 (n->is_ConstraintCast() && n->Opcode() == Op_CastPP)) {
0 a61af66fc99e Initial load duke parents: diff changeset	2849 if (visited.test_set(n->_idx)) {
a61af66fc99e Initial load duke parents: diff changeset	2850 assert(n->is_Phi(), "loops only through Phi's");
a61af66fc99e Initial load duke parents: diff changeset	2851 continue; // already processed
a61af66fc99e Initial load duke parents: diff changeset	2852 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2853 JavaObjectNode* jobj = unique_java_object(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2854 if (jobj == NULL \|\| jobj == phantom_obj) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2855 #ifdef ASSERT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2856 ptnode_adr(n->_idx)->dump();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2857 assert(jobj != NULL && jobj != phantom_obj, "escaped allocation");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2858 #endif
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2859 _compile->record_failure(C2Compiler::retry_no_escape_analysis());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2860 return;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2861 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2862 Node *val = get_map(jobj->idx()); // CheckCastPP node
0 a61af66fc99e Initial load duke parents: diff changeset	2863 TypeNode *tn = n->as_Type();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2864 const TypeOopPtr* tinst = igvn->type(val)->isa_oopptr();
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2865 assert(tinst != NULL && tinst->is_known_instance() &&
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	2866 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	2867
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2868 const Type *tn_type = igvn->type(tn);
223 1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2869 const TypeOopPtr *tn_t;
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2870 if (tn_type->isa_narrowoop()) {
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2871 tn_t = tn_type->make_ptr()->isa_oopptr();
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2872 } else {
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2873 tn_t = tn_type->isa_oopptr();
1dd146f17531 6716441: error in meet with +DoEscapeAnalysis kvn parents: 221 diff changeset	2874 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2875 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	2876 if (tn_type->isa_narrowoop()) {
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2877 tn_type = tinst->make_narrowoop();
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2878 } else {
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2879 tn_type = tinst;
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2880 }
0 a61af66fc99e Initial load duke parents: diff changeset	2881 igvn->hash_delete(tn);
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2882 igvn->set_type(tn, tn_type);
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 124 diff changeset	2883 tn->set_type(tn_type);
0 a61af66fc99e Initial load duke parents: diff changeset	2884 igvn->hash_insert(tn);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2885 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	2886 } else {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2887 assert(tn_type == TypePtr::NULL_PTR \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2888 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	2889 "unexpected type");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2890 continue; // Skip dead path with different type
0 a61af66fc99e Initial load duke parents: diff changeset	2891 }
a61af66fc99e Initial load duke parents: diff changeset	2892 }
a61af66fc99e Initial load duke parents: diff changeset	2893 } else {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2894 debug_only(n->dump();)
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2895 assert(false, "EA: unexpected node");
0 a61af66fc99e Initial load duke parents: diff changeset	2896 continue;
a61af66fc99e Initial load duke parents: diff changeset	2897 }
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2898 // push allocation's users on appropriate worklist
0 a61af66fc99e Initial load duke parents: diff changeset	2899 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	2900 Node *use = n->fast_out(i);
a61af66fc99e Initial load duke parents: diff changeset	2901 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	2902 // Load/store to instance's field
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2903 memnode_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2904 } else if (use->is_MemBar()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2905 memnode_worklist.append_if_missing(use);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2906 } else if (use->is_AddP() && use->outcnt() > 0) { // No dead nodes
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2907 Node* addp2 = find_second_addp(use, n);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2908 if (addp2 != NULL) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2909 alloc_worklist.append_if_missing(addp2);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2910 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2911 alloc_worklist.append_if_missing(use);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2912 } else if (use->is_Phi() \|\|
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2913 use->is_CheckCastPP() \|\|
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	2914 use->is_EncodeNarrowPtr() \|\|
8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6795 diff changeset	2915 use->is_DecodeNarrowPtr() \|\|
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2916 (use->is_ConstraintCast() && use->Opcode() == Op_CastPP)) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2917 alloc_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2918 #ifdef ASSERT
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2919 } else if (use->is_Mem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2920 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	2921 } else if (use->is_MergeMem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2922 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	2923 } else if (use->is_SafePoint()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2924 // 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	2925 // (through CheckCastPP nodes) even for debug info.
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2926 Node* m = use->in(TypeFunc::Memory);
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2927 if (m->is_MergeMem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2928 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	2929 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2930 } else {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2931 uint op = use->Opcode();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2932 if (!(op == Op_CmpP \|\| op == Op_Conv2B \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2933 op == Op_CastP2X \|\| op == Op_StoreCM \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2934 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	2935 op == Op_StrEquals \|\| op == Op_StrIndexOf)) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2936 n->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2937 use->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2938 assert(false, "EA: missing allocation reference path");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2939 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2940 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	2941 }
a61af66fc99e Initial load duke parents: diff changeset	2942 }
a61af66fc99e Initial load duke parents: diff changeset	2943
a61af66fc99e Initial load duke parents: diff changeset	2944 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2945 // New alias types were created in split_AddP().
0 a61af66fc99e Initial load duke parents: diff changeset	2946 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	2947 assert(unique_old == _compile->unique(), "there should be no new ideal nodes after Phase 1");
0 a61af66fc99e Initial load duke parents: diff changeset	2948
a61af66fc99e Initial load duke parents: diff changeset	2949 // Phase 2: Process MemNode's from memnode_worklist. compute new address type and
a61af66fc99e Initial load duke parents: diff changeset	2950 // compute new values for Memory inputs (the Memory inputs are not
a61af66fc99e Initial load duke parents: diff changeset	2951 // actually updated until phase 4.)
a61af66fc99e Initial load duke parents: diff changeset	2952 if (memnode_worklist.length() == 0)
a61af66fc99e Initial load duke parents: diff changeset	2953 return; // nothing to do
a61af66fc99e Initial load duke parents: diff changeset	2954 while (memnode_worklist.length() != 0) {
a61af66fc99e Initial load duke parents: diff changeset	2955 Node *n = memnode_worklist.pop();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2956 if (visited.test_set(n->_idx))
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2957 continue;
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2958 if (n->is_Phi() \|\| n->is_ClearArray()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	2959 // 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	2960 } 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	2961 // 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	2962 n = n->as_MemBar()->proj_out(TypeFunc::Memory);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2963 if (n == NULL)
0 a61af66fc99e Initial load duke parents: diff changeset	2964 continue;
a61af66fc99e Initial load duke parents: diff changeset	2965 } else {
a61af66fc99e Initial load duke parents: diff changeset	2966 assert(n->is_Mem(), "memory node required.");
a61af66fc99e Initial load duke parents: diff changeset	2967 Node *addr = n->in(MemNode::Address);
a61af66fc99e Initial load duke parents: diff changeset	2968 const Type *addr_t = igvn->type(addr);
a61af66fc99e Initial load duke parents: diff changeset	2969 if (addr_t == Type::TOP)
a61af66fc99e Initial load duke parents: diff changeset	2970 continue;
a61af66fc99e Initial load duke parents: diff changeset	2971 assert (addr_t->isa_ptr() != NULL, "pointer type required.");
a61af66fc99e Initial load duke parents: diff changeset	2972 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	2973 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	2974 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	2975 if (_compile->failing()) {
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2976 return;
b789bcaf2dd9 6667610: (Escape Analysis) retry compilation without EA if it fails kvn parents: 0 diff changeset	2977 }
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2978 if (mem != n->in(MemNode::Memory)) {
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	2979 // 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	2980 // 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	2981 set_map(n, mem);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	2982 }
0 a61af66fc99e Initial load duke parents: diff changeset	2983 if (n->is_Load()) {
a61af66fc99e Initial load duke parents: diff changeset	2984 continue; // don't push users
a61af66fc99e Initial load duke parents: diff changeset	2985 } else if (n->is_LoadStore()) {
a61af66fc99e Initial load duke parents: diff changeset	2986 // get the memory projection
a61af66fc99e Initial load duke parents: diff changeset	2987 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	2988 Node *use = n->fast_out(i);
a61af66fc99e Initial load duke parents: diff changeset	2989 if (use->Opcode() == Op_SCMemProj) {
a61af66fc99e Initial load duke parents: diff changeset	2990 n = use;
a61af66fc99e Initial load duke parents: diff changeset	2991 break;
a61af66fc99e Initial load duke parents: diff changeset	2992 }
a61af66fc99e Initial load duke parents: diff changeset	2993 }
a61af66fc99e Initial load duke parents: diff changeset	2994 assert(n->Opcode() == Op_SCMemProj, "memory projection required");
a61af66fc99e Initial load duke parents: diff changeset	2995 }
a61af66fc99e Initial load duke parents: diff changeset	2996 }
a61af66fc99e Initial load duke parents: diff changeset	2997 // push user on appropriate worklist
a61af66fc99e Initial load duke parents: diff changeset	2998 for (DUIterator_Fast imax, i = n->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	2999 Node *use = n->fast_out(i);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3000 if (use->is_Phi() \|\| use->is_ClearArray()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3001 memnode_worklist.append_if_missing(use);
0 a61af66fc99e Initial load duke parents: diff changeset	3002 } 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	3003 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	3004 continue;
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3005 memnode_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3006 } else if (use->is_MemBar()) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3007 memnode_worklist.append_if_missing(use);
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3008 #ifdef ASSERT
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3009 } else if(use->is_Mem()) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3010 assert(use->in(MemNode::Memory) != n, "EA: missing memory path");
0 a61af66fc99e Initial load duke parents: diff changeset	3011 } else if (use->is_MergeMem()) {
1100 f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3012 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	3013 } else {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3014 uint op = use->Opcode();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3015 if (!(op == Op_StoreCM \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3016 (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	3017 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	3018 op == Op_AryEq \|\| op == Op_StrComp \|\|
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3019 op == Op_StrEquals \|\| op == Op_StrIndexOf)) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3020 n->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3021 use->dump();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3022 assert(false, "EA: missing memory path");
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3023 }
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3024 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	3025 }
a61af66fc99e Initial load duke parents: diff changeset	3026 }
a61af66fc99e Initial load duke parents: diff changeset	3027 }
a61af66fc99e Initial load duke parents: diff changeset	3028
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3029 // 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	3030 // 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	3031 // 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	3032 uint length = _mergemem_worklist.length();
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3033 for( uint next = 0; next < length; ++next ) {
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3034 MergeMemNode* nmm = _mergemem_worklist.at(next);
f96a1a986f7b 6895383: JCK test throws NPE for method compiled with Escape Analysis kvn parents: 1072 diff changeset	3035 assert(!visited.test_set(nmm->_idx), "should not be visited before");
0 a61af66fc99e Initial load duke parents: diff changeset	3036 // 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	3037 // 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	3038 // 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	3039 // 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	3040 igvn->hash_delete(nmm);
0 a61af66fc99e Initial load duke parents: diff changeset	3041 uint nslices = nmm->req();
a61af66fc99e Initial load duke parents: diff changeset	3042 for (uint i = Compile::AliasIdxRaw+1; i < nslices; i++) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3043 Node* mem = nmm->in(i);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3044 Node* cur = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	3045 if (mem == NULL \|\| mem->is_top())
a61af66fc99e Initial load duke parents: diff changeset	3046 continue;
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3047 // 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	3048 // if their type became more precise since this mergemem was created.
0 a61af66fc99e Initial load duke parents: diff changeset	3049 while (mem->is_Mem()) {
a61af66fc99e Initial load duke parents: diff changeset	3050 const Type *at = igvn->type(mem->in(MemNode::Address));
a61af66fc99e Initial load duke parents: diff changeset	3051 if (at != Type::TOP) {
a61af66fc99e Initial load duke parents: diff changeset	3052 assert (at->isa_ptr() != NULL, "pointer type required.");
a61af66fc99e Initial load duke parents: diff changeset	3053 uint idx = (uint)_compile->get_alias_index(at->is_ptr());
a61af66fc99e Initial load duke parents: diff changeset	3054 if (idx == i) {
a61af66fc99e Initial load duke parents: diff changeset	3055 if (cur == NULL)
a61af66fc99e Initial load duke parents: diff changeset	3056 cur = mem;
a61af66fc99e Initial load duke parents: diff changeset	3057 } else {
a61af66fc99e Initial load duke parents: diff changeset	3058 if (idx >= nmm->req() \|\| nmm->is_empty_memory(nmm->in(idx))) {
a61af66fc99e Initial load duke parents: diff changeset	3059 nmm->set_memory_at(idx, mem);
a61af66fc99e Initial load duke parents: diff changeset	3060 }
a61af66fc99e Initial load duke parents: diff changeset	3061 }
a61af66fc99e Initial load duke parents: diff changeset	3062 }
a61af66fc99e Initial load duke parents: diff changeset	3063 mem = mem->in(MemNode::Memory);
a61af66fc99e Initial load duke parents: diff changeset	3064 }
a61af66fc99e Initial load duke parents: diff changeset	3065 nmm->set_memory_at(i, (cur != NULL) ? cur : mem);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3066 // 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	3067 // 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	3068 for (uint ni = new_index_start; ni < new_index_end; ni++) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3069 if((uint)_compile->get_general_index(ni) == i) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3070 Node *m = (ni >= nmm->req()) ? nmm->empty_memory() : nmm->in(ni);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3071 if (nmm->is_empty_memory(m)) {
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3072 Node* result = find_inst_mem(mem, ni, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3073 if (_compile->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3074 return;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3075 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3076 nmm->set_memory_at(ni, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3077 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3078 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3079 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3080 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3081 // Find the rest of instances values
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3082 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	3083 const TypeOopPtr *tinst = _compile->get_adr_type(ni)->isa_oopptr();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3084 Node* result = step_through_mergemem(nmm, ni, tinst);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3085 if (result == nmm->base_memory()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3086 // 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	3087 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	3088 result = find_inst_mem(result, ni, orig_phis);
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3089 if (_compile->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3090 return;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3091 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3092 nmm->set_memory_at(ni, result);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3093 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3094 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3095 igvn->hash_insert(nmm);
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3096 record_for_optimizer(nmm);
0 a61af66fc99e Initial load duke parents: diff changeset	3097 }
a61af66fc99e Initial load duke parents: diff changeset	3098
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3099 // Phase 4: Update the inputs of non-instance memory Phis and
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3100 // the Memory input of memnodes
0 a61af66fc99e Initial load duke parents: diff changeset	3101 // First update the inputs of any non-instance Phi's from
a61af66fc99e Initial load duke parents: diff changeset	3102 // which we split out an instance Phi. Note we don't have
a61af66fc99e Initial load duke parents: diff changeset	3103 // to recursively process Phi's encounted on the input memory
a61af66fc99e Initial load duke parents: diff changeset	3104 // chains as is done in split_memory_phi() since they will
a61af66fc99e Initial load duke parents: diff changeset	3105 // also be processed here.
247 02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	3106 for (int j = 0; j < orig_phis.length(); j++) {
02a35ad4adf8 6723160: Nightly failure: Error: meet not symmetric kvn parents: 245 diff changeset	3107 PhiNode *phi = orig_phis.at(j);
0 a61af66fc99e Initial load duke parents: diff changeset	3108 int alias_idx = _compile->get_alias_index(phi->adr_type());
a61af66fc99e Initial load duke parents: diff changeset	3109 igvn->hash_delete(phi);
a61af66fc99e Initial load duke parents: diff changeset	3110 for (uint i = 1; i < phi->req(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3111 Node *mem = phi->in(i);
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3112 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	3113 if (_compile->failing()) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3114 return;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3115 }
0 a61af66fc99e Initial load duke parents: diff changeset	3116 if (mem != new_mem) {
a61af66fc99e Initial load duke parents: diff changeset	3117 phi->set_req(i, new_mem);
a61af66fc99e Initial load duke parents: diff changeset	3118 }
a61af66fc99e Initial load duke parents: diff changeset	3119 }
a61af66fc99e Initial load duke parents: diff changeset	3120 igvn->hash_insert(phi);
a61af66fc99e Initial load duke parents: diff changeset	3121 record_for_optimizer(phi);
a61af66fc99e Initial load duke parents: diff changeset	3122 }
a61af66fc99e Initial load duke parents: diff changeset	3123
a61af66fc99e Initial load duke parents: diff changeset	3124 // 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	3125 // 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	3126 // 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	3127 // 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	3128 #if 0 // ifdef ASSERT
2249 3763ca6579b7 7013538: Java memory leak with escape analysis kvn parents: 2086 diff changeset	3129 visited.Reset();
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3130 Node_Stack old_mems(arena, _compile->unique() >> 2);
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3131 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3132 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	3133 Node* n = ideal_nodes.at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3134 Node* nmem = get_map(n->_idx);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3135 assert(nmem != NULL, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3136 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	3137 #if 0 // ifdef ASSERT
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3138 Node* old_mem = n->in(MemNode::Memory);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3139 if (!visited.test_set(old_mem->_idx)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3140 old_mems.push(old_mem, old_mem->outcnt());
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3141 }
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3142 #endif
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3143 assert(n->in(MemNode::Memory) != nmem, "sanity");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3144 if (!n->is_Load()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3145 // Move memory users of a store first.
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3146 move_inst_mem(n, orig_phis);
0 a61af66fc99e Initial load duke parents: diff changeset	3147 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3148 // Now update memory input
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3149 igvn->hash_delete(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3150 n->set_req(MemNode::Memory, nmem);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3151 igvn->hash_insert(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3152 record_for_optimizer(n);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3153 } else {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3154 assert(n->is_Allocate() \|\| n->is_CheckCastPP() \|\|
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3155 n->is_AddP() \|\| n->is_Phi(), "unknown node used for set_map()");
0 a61af66fc99e Initial load duke parents: diff changeset	3156 }
a61af66fc99e Initial load duke parents: diff changeset	3157 }
3278 66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2459 diff changeset	3158 #if 0 // ifdef ASSERT
1101 7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3159 // Verify that memory was split correctly
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3160 while (old_mems.is_nonempty()) {
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3161 Node* old_mem = old_mems.node();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3162 uint old_cnt = old_mems.index();
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3163 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	3164 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	3165 }
7fee0a6cc6d4 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys kvn parents: 1100 diff changeset	3166 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	3167 }
a61af66fc99e Initial load duke parents: diff changeset	3168
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3169 #ifndef PRODUCT
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3170 static const char *node_type_names[] = {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3171 "UnknownType",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3172 "JavaObject",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3173 "LocalVar",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3174 "Field",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3175 "Arraycopy"
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3176 };
4937 73df3733f2eb 7129284: +DoEscapeAnalysis regression w/ early build of 7u4 (HotSpot 23) on Linux kvn parents: 4777 diff changeset	3177
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3178 static const char *esc_names[] = {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3179 "UnknownEscape",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3180 "NoEscape",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3181 "ArgEscape",
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3182 "GlobalEscape"
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3183 };
0 a61af66fc99e Initial load duke parents: diff changeset	3184
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3185 void PointsToNode::dump(bool print_state) const {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3186 NodeType nt = node_type();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3187 tty->print("%s ", node_type_names[(int) nt]);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3188 if (print_state) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3189 EscapeState es = escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3190 EscapeState fields_es = fields_escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3191 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	3192 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	3193 tty->print("NSR ");
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3194 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3195 if (is_Field()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3196 FieldNode* f = (FieldNode*)this;
6944 f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3197 if (f->is_oop())
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3198 tty->print("oop ");
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3199 if (f->offset() > 0)
f3da5ff1514c 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity kvn parents: 6895 diff changeset	3200 tty->print("+%d ", f->offset());
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3201 tty->print("(");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3202 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	3203 PointsToNode* b = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3204 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	3205 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3206 tty->print(" )");
0 a61af66fc99e Initial load duke parents: diff changeset	3207 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3208 tty->print("[");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3209 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	3210 PointsToNode* e = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3211 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	3212 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3213 tty->print(" [");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3214 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	3215 PointsToNode* u = i.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3216 bool is_base = false;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3217 if (PointsToNode::is_base_use(u)) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3218 is_base = true;
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3219 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	3220 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3221 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	3222 }
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3223 tty->print(" ]] ");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3224 if (_node == NULL)
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3225 tty->print_cr("<null>");
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3226 else
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3227 _node->dump();
4113 8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3228 }
8c57262447d3 7105605: Use EA info to optimize pointers compare kvn parents: 4058 diff changeset	3229
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3230 void ConnectionGraph::dump(GrowableArray<PointsToNode*>& ptnodes_worklist) {
0 a61af66fc99e Initial load duke parents: diff changeset	3231 bool first = true;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3232 int ptnodes_length = ptnodes_worklist.length();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3233 for (int i = 0; i < ptnodes_length; i++) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3234 PointsToNode *ptn = ptnodes_worklist.at(i);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3235 if (ptn == NULL \|\| !ptn->is_JavaObject())
0 a61af66fc99e Initial load duke parents: diff changeset	3236 continue;
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3237 PointsToNode::EscapeState es = ptn->escape_state();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3238 if (ptn->ideal_node()->is_Allocate() && (es == PointsToNode::NoEscape \|\| Verbose)) {
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3239 if (first) {
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3240 tty->cr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3241 tty->print("======== Connection graph for ");
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 223 diff changeset	3242 _compile->method()->print_short_name();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3243 tty->cr();
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3244 first = false;
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3245 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3246 ptn->dump();
5948 ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3247 // 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	3248 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	3249 PointsToNode* use = j.get();
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3250 if (use->is_LocalVar()) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3251 use->dump(Verbose);
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3252 } else if (Verbose) {
ee138854b3a6 7147744: CTW: assert(false) failed: infinite EA connection graph build kvn parents: 5901 diff changeset	3253 use->dump();
65 99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3254 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3255 }
99269dbf4ba8 6674588: (Escape Analysis) Improve Escape Analysis code kvn parents: 39 diff changeset	3256 tty->cr();
0 a61af66fc99e Initial load duke parents: diff changeset	3257 }
a61af66fc99e Initial load duke parents: diff changeset	3258 }
a61af66fc99e Initial load duke parents: diff changeset	3259 }
a61af66fc99e Initial load duke parents: diff changeset	3260 #endif

Mercurial > hg > truffle

annotate src/share/vm/opto/escape.cpp @ 6972:bd7a7ce2e264