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

annotate src/share/vm/opto/bytecodeInfo.cpp @ 10281:1da5d70655e9

8014286: failed java/lang/Math/DivModTests.java after 6934604 changes Summary: Corrected escape state for the result of boxing method. Added force inlining executed boxing methods. Reviewed-by: twisti

author	kvn
date	Mon, 13 May 2013 14:36:39 -0700
parents	6f3fd5150b67
children	836a62f43af9 02d7aa1456c9

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
6842 b9a9ed0f8eeb 7197424: update copyright year to match last edit in jdk8 hotspot repository mikael parents: 6266 diff changeset	2 * Copyright (c) 1998, 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: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 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: 1507 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: 1783 diff changeset	25 #include "precompiled.hpp"
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	26 #include "ci/ciReplay.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	28 #include "classfile/vmSymbols.hpp"
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	29 #include "compiler/compileBroker.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	30 #include "compiler/compileLog.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	31 #include "interpreter/linkResolver.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	32 #include "oops/objArrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	33 #include "opto/callGenerator.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	34 #include "opto/parse.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1783 diff changeset	35 #include "runtime/handles.inline.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	36
a61af66fc99e Initial load duke parents: diff changeset	37 //=============================================================================
a61af66fc99e Initial load duke parents: diff changeset	38 //------------------------------InlineTree-------------------------------------
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	39 InlineTree::InlineTree(Compile* c,
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	40 const InlineTree caller_tree, ciMethod callee,
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	41 JVMState* caller_jvms, int caller_bci,
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	42 float site_invoke_ratio, int max_inline_level) :
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	43 C(c),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	44 _caller_jvms(caller_jvms),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	45 _caller_tree((InlineTree*) caller_tree),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	46 _method(callee),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	47 _site_invoke_ratio(site_invoke_ratio),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	48 _max_inline_level(max_inline_level),
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	49 _count_inline_bcs(method()->code_size_for_inlining()),
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	50 _subtrees(c->comp_arena(), 2, 0, NULL),
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	51 _msg(NULL)
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	52 {
0 a61af66fc99e Initial load duke parents: diff changeset	53 NOT_PRODUCT(_count_inlines = 0;)
a61af66fc99e Initial load duke parents: diff changeset	54 if (_caller_jvms != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	55 // Keep a private copy of the caller_jvms:
a61af66fc99e Initial load duke parents: diff changeset	56 _caller_jvms = new (C) JVMState(caller_jvms->method(), caller_tree->caller_jvms());
a61af66fc99e Initial load duke parents: diff changeset	57 _caller_jvms->set_bci(caller_jvms->bci());
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 726 diff changeset	58 assert(!caller_jvms->should_reexecute(), "there should be no reexecute bytecode with inlining");
0 a61af66fc99e Initial load duke parents: diff changeset	59 }
a61af66fc99e Initial load duke parents: diff changeset	60 assert(_caller_jvms->same_calls_as(caller_jvms), "consistent JVMS");
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	61 assert((caller_tree == NULL ? 0 : caller_tree->stack_depth() + 1) == stack_depth(), "correct (redundant) depth parameter");
0 a61af66fc99e Initial load duke parents: diff changeset	62 assert(caller_bci == this->caller_bci(), "correct (redundant) bci parameter");
a61af66fc99e Initial load duke parents: diff changeset	63 if (UseOldInlining) {
a61af66fc99e Initial load duke parents: diff changeset	64 // Update hierarchical counts, count_inline_bcs() and count_inlines()
a61af66fc99e Initial load duke parents: diff changeset	65 InlineTree caller = (InlineTree )caller_tree;
a61af66fc99e Initial load duke parents: diff changeset	66 for( ; caller != NULL; caller = ((InlineTree *)(caller->caller_tree())) ) {
a61af66fc99e Initial load duke parents: diff changeset	67 caller->_count_inline_bcs += count_inline_bcs();
a61af66fc99e Initial load duke parents: diff changeset	68 NOT_PRODUCT(caller->_count_inlines++;)
a61af66fc99e Initial load duke parents: diff changeset	69 }
a61af66fc99e Initial load duke parents: diff changeset	70 }
a61af66fc99e Initial load duke parents: diff changeset	71 }
a61af66fc99e Initial load duke parents: diff changeset	72
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	73 InlineTree::InlineTree(Compile* c, ciMethod* callee_method, JVMState* caller_jvms,
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	74 float site_invoke_ratio, int max_inline_level) :
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	75 C(c),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	76 _caller_jvms(caller_jvms),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	77 _caller_tree(NULL),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	78 _method(callee_method),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	79 _site_invoke_ratio(site_invoke_ratio),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	80 _max_inline_level(max_inline_level),
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	81 _count_inline_bcs(method()->code_size()),
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	82 _msg(NULL)
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	83 {
0 a61af66fc99e Initial load duke parents: diff changeset	84 NOT_PRODUCT(_count_inlines = 0;)
a61af66fc99e Initial load duke parents: diff changeset	85 assert(!UseOldInlining, "do not use for old stuff");
a61af66fc99e Initial load duke parents: diff changeset	86 }
a61af66fc99e Initial load duke parents: diff changeset	87
10281 1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	88 /**
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	89 * Return true when EA is ON and a java constructor is called or
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	90 * a super constructor is called from an inlined java constructor.
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	91 * Also return true for boxing methods.
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	92 */
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	93 static bool is_init_with_ea(ciMethod* callee_method,
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	94 ciMethod* caller_method, Compile* C) {
10281 1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	95 if (!C->do_escape_analysis() \|\| !EliminateAllocations) {
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	96 return false; // EA is off
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	97 }
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	98 if (callee_method->is_initializer()) {
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	99 return true; // constuctor
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	100 }
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	101 if (caller_method->is_initializer() &&
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	102 caller_method != C->method() &&
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	103 caller_method->holder()->is_subclass_of(callee_method->holder())) {
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	104 return true; // super constructor is called from inlined constructor
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	105 }
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	106 if (C->eliminate_boxing() && callee_method->is_boxing_method()) {
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	107 return true;
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	108 }
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	109 return false;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	110 }
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	111
10281 1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	112 /**
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	113 * Force inlining unboxing accessor.
1da5d70655e9 8014286: failed java/lang/Math/DivModTests.java after 6934604 changes kvn parents: 10278 diff changeset	114 */
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	115 static bool is_unboxing_method(ciMethod* callee_method, Compile* C) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	116 return C->eliminate_boxing() && callee_method->is_unboxing_method();
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	117 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	118
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	119 // positive filter: should callee be inlined?
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	120 bool InlineTree::should_inline(ciMethod* callee_method, ciMethod* caller_method,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	121 int caller_bci, ciCallProfile& profile,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	122 WarmCallInfo* wci_result) {
0 a61af66fc99e Initial load duke parents: diff changeset	123 // Allows targeted inlining
a61af66fc99e Initial load duke parents: diff changeset	124 if(callee_method->should_inline()) {
a61af66fc99e Initial load duke parents: diff changeset	125 wci_result = (WarmCallInfo::always_hot());
a61af66fc99e Initial load duke parents: diff changeset	126 if (PrintInlining && Verbose) {
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	127 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	128 tty->print_cr("Inlined method is hot: ");
a61af66fc99e Initial load duke parents: diff changeset	129 }
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	130 set_msg("force inline by CompilerOracle");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	131 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	132 }
a61af66fc99e Initial load duke parents: diff changeset	133
3897 de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets twisti parents: 3784 diff changeset	134 int size = callee_method->code_size_for_inlining();
0 a61af66fc99e Initial load duke parents: diff changeset	135
a61af66fc99e Initial load duke parents: diff changeset	136 // Check for too many throws (and not too huge)
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	137 if(callee_method->interpreter_throwout_count() > InlineThrowCount &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	138 size < InlineThrowMaxSize ) {
0 a61af66fc99e Initial load duke parents: diff changeset	139 wci_result->set_profit(wci_result->profit() * 100);
a61af66fc99e Initial load duke parents: diff changeset	140 if (PrintInlining && Verbose) {
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	141 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	142 tty->print_cr("Inlined method with many throws (throws=%d):", callee_method->interpreter_throwout_count());
a61af66fc99e Initial load duke parents: diff changeset	143 }
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	144 set_msg("many throws");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	145 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	146 }
a61af66fc99e Initial load duke parents: diff changeset	147
a61af66fc99e Initial load duke parents: diff changeset	148 if (!UseOldInlining) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	149 set_msg("!UseOldInlining");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	150 return true; // size and frequency are represented in a new way
0 a61af66fc99e Initial load duke parents: diff changeset	151 }
a61af66fc99e Initial load duke parents: diff changeset	152
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	153 int default_max_inline_size = C->max_inline_size();
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	154 int inline_small_code_size = InlineSmallCode / 4;
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	155 int max_inline_size = default_max_inline_size;
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	156
0 a61af66fc99e Initial load duke parents: diff changeset	157 int call_site_count = method()->scale_count(profile.count());
a61af66fc99e Initial load duke parents: diff changeset	158 int invoke_count = method()->interpreter_invocation_count();
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	159
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	160 assert(invoke_count != 0, "require invocation count greater than zero");
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	161 int freq = call_site_count / invoke_count;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	162
0 a61af66fc99e Initial load duke parents: diff changeset	163 // bump the max size if the call is frequent
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	164 if ((freq >= InlineFrequencyRatio) \|\|
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	165 (call_site_count >= InlineFrequencyCount) \|\|
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	166 is_unboxing_method(callee_method, C) \|\|
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	167 is_init_with_ea(callee_method, caller_method, C)) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	168
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	169 max_inline_size = C->freq_inline_size();
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	170 if (size <= max_inline_size && TraceFrequencyInlining) {
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	171 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	172 tty->print_cr("Inlined frequent method (freq=%d count=%d):", freq, call_site_count);
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	173 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	174 callee_method->print();
a61af66fc99e Initial load duke parents: diff changeset	175 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	176 }
a61af66fc99e Initial load duke parents: diff changeset	177 } else {
a61af66fc99e Initial load duke parents: diff changeset	178 // Not hot. Check for medium-sized pre-existing nmethod at cold sites.
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	179 if (callee_method->has_compiled_code() &&
8772 80208f353616 8010222: 8007439 disabled inlining of cold accessor methods kvn parents: 8119 diff changeset	180 callee_method->instructions_size() > inline_small_code_size) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	181 set_msg("already compiled into a medium method");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	182 return false;
8772 80208f353616 8010222: 8007439 disabled inlining of cold accessor methods kvn parents: 8119 diff changeset	183 }
0 a61af66fc99e Initial load duke parents: diff changeset	184 }
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	185 if (size > max_inline_size) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	186 if (max_inline_size > default_max_inline_size) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	187 set_msg("hot method too big");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	188 } else {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	189 set_msg("too big");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	190 }
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	191 return false;
0 a61af66fc99e Initial load duke parents: diff changeset	192 }
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	193 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	194 }
a61af66fc99e Initial load duke parents: diff changeset	195
a61af66fc99e Initial load duke parents: diff changeset	196
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	197 // negative filter: should callee NOT be inlined?
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	198 bool InlineTree::should_not_inline(ciMethod *callee_method,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	199 ciMethod* caller_method,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	200 WarmCallInfo* wci_result) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	201
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	202 const char* fail_msg = NULL;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	203
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	204 // First check all inlining restrictions which are required for correctness
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	205 if ( callee_method->is_abstract()) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	206 fail_msg = "abstract method"; // // note: we allow ik->is_abstract()
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	207 } else if (!callee_method->holder()->is_initialized()) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	208 fail_msg = "method holder not initialized";
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	209 } else if ( callee_method->is_native()) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	210 fail_msg = "native method";
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	211 } else if ( callee_method->dont_inline()) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	212 fail_msg = "don't inline by annotation";
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	213 }
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	214
0 a61af66fc99e Initial load duke parents: diff changeset	215 if (!UseOldInlining) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	216 if (fail_msg != NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	217 wci_result = (WarmCallInfo::always_cold());
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	218 set_msg(fail_msg);
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	219 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	220 }
a61af66fc99e Initial load duke parents: diff changeset	221
a61af66fc99e Initial load duke parents: diff changeset	222 if (callee_method->has_unloaded_classes_in_signature()) {
a61af66fc99e Initial load duke parents: diff changeset	223 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load duke parents: diff changeset	224 }
a61af66fc99e Initial load duke parents: diff changeset	225
a61af66fc99e Initial load duke parents: diff changeset	226 // don't inline exception code unless the top method belongs to an
a61af66fc99e Initial load duke parents: diff changeset	227 // exception class
a61af66fc99e Initial load duke parents: diff changeset	228 if (callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load duke parents: diff changeset	229 ciMethod* top_method = caller_jvms() ? caller_jvms()->of_depth(1)->method() : method();
a61af66fc99e Initial load duke parents: diff changeset	230 if (!top_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load duke parents: diff changeset	231 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load duke parents: diff changeset	232 }
a61af66fc99e Initial load duke parents: diff changeset	233 }
a61af66fc99e Initial load duke parents: diff changeset	234
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	235 if (callee_method->has_compiled_code() &&
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	236 callee_method->instructions_size() > InlineSmallCode) {
0 a61af66fc99e Initial load duke parents: diff changeset	237 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load duke parents: diff changeset	238 // %%% adjust wci_result->size()?
a61af66fc99e Initial load duke parents: diff changeset	239 }
a61af66fc99e Initial load duke parents: diff changeset	240
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	241 return false;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	242 }
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	243
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	244 // one more inlining restriction
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	245 if (fail_msg == NULL && callee_method->has_unloaded_classes_in_signature()) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	246 fail_msg = "unloaded signature classes";
0 a61af66fc99e Initial load duke parents: diff changeset	247 }
a61af66fc99e Initial load duke parents: diff changeset	248
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	249 if (fail_msg != NULL) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	250 set_msg(fail_msg);
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	251 return true;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	252 }
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	253
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	254 // ignore heuristic controls on inlining
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	255 if (callee_method->should_inline()) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	256 set_msg("force inline by CompilerOracle");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	257 return false;
0 a61af66fc99e Initial load duke parents: diff changeset	258 }
a61af66fc99e Initial load duke parents: diff changeset	259
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	260 if (callee_method->should_not_inline()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	261 set_msg("disallowed by CompilerOracle");
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	262 return true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	263 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	264
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	265 #ifndef PRODUCT
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	266 if (ciReplay::should_not_inline(callee_method)) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	267 set_msg("disallowed by ciReplay");
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	268 return true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	269 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	270 #endif
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	271
0 a61af66fc99e Initial load duke parents: diff changeset	272 // Now perform checks which are heuristic
a61af66fc99e Initial load duke parents: diff changeset	273
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	274 if (is_unboxing_method(callee_method, C)) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	275 // Inline unboxing methods.
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	276 return false;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	277 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	278
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	279 if (!callee_method->force_inline()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	280 if (callee_method->has_compiled_code() &&
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	281 callee_method->instructions_size() > InlineSmallCode) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	282 set_msg("already compiled into a big method");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	283 return true;
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	284 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	285 }
0 a61af66fc99e Initial load duke parents: diff changeset	286
a61af66fc99e Initial load duke parents: diff changeset	287 // don't inline exception code unless the top method belongs to an
a61af66fc99e Initial load duke parents: diff changeset	288 // exception class
a61af66fc99e Initial load duke parents: diff changeset	289 if (caller_tree() != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	290 callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load duke parents: diff changeset	291 const InlineTree *top = this;
a61af66fc99e Initial load duke parents: diff changeset	292 while (top->caller_tree() != NULL) top = top->caller_tree();
a61af66fc99e Initial load duke parents: diff changeset	293 ciInstanceKlass* k = top->method()->holder();
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	294 if (!k->is_subclass_of(C->env()->Throwable_klass())) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	295 set_msg("exception method");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	296 return true;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	297 }
0 a61af66fc99e Initial load duke parents: diff changeset	298 }
a61af66fc99e Initial load duke parents: diff changeset	299
5950 0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	300 if (UseStringCache) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	301 // Do not inline StringCache::profile() method used only at the beginning.
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	302 if (callee_method->name() == ciSymbol::profile_name() &&
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	303 callee_method->holder()->name() == ciSymbol::java_lang_StringCache()) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	304 set_msg("profiling method");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	305 return true;
5950 0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	306 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	307 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	308
0 a61af66fc99e Initial load duke parents: diff changeset	309 // use frequency-based objections only for non-trivial methods
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	310 if (callee_method->code_size() <= MaxTrivialSize) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	311 return false;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	312 }
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	313
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	314 // don't use counts with -Xcomp or CTW
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	315 if (UseInterpreter && !CompileTheWorld) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	316
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	317 if (!callee_method->has_compiled_code() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	318 !callee_method->was_executed_more_than(0)) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	319 set_msg("never executed");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	320 return true;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	321 }
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	322
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	323 if (is_init_with_ea(callee_method, caller_method, C)) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	324 // Escape Analysis: inline all executed constructors
10278 6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default kvn parents: 8772 diff changeset	325 return false;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	326 } else if (!callee_method->was_executed_more_than(MIN2(MinInliningThreshold,
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	327 CompileThreshold >> 1))) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	328 set_msg("executed < MinInliningThreshold times");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	329 return true;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	330 }
0 a61af66fc99e Initial load duke parents: diff changeset	331 }
a61af66fc99e Initial load duke parents: diff changeset	332
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	333 return false;
0 a61af66fc99e Initial load duke parents: diff changeset	334 }
a61af66fc99e Initial load duke parents: diff changeset	335
a61af66fc99e Initial load duke parents: diff changeset	336 //-----------------------------try_to_inline-----------------------------------
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	337 // return true if ok
0 a61af66fc99e Initial load duke parents: diff changeset	338 // Relocated from "InliningClosure::try_to_inline"
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	339 bool InlineTree::try_to_inline(ciMethod* callee_method, ciMethod* caller_method,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	340 int caller_bci, ciCallProfile& profile,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	341 WarmCallInfo* wci_result, bool& should_delay) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	342
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	343 // Old algorithm had funny accumulating BC-size counters
0 a61af66fc99e Initial load duke parents: diff changeset	344 if (UseOldInlining && ClipInlining
a61af66fc99e Initial load duke parents: diff changeset	345 && (int)count_inline_bcs() >= DesiredMethodLimit) {
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	346 if (!callee_method->force_inline() \|\| !IncrementalInline) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	347 set_msg("size > DesiredMethodLimit");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	348 return false;
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	349 } else if (!C->inlining_incrementally()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	350 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	351 }
0 a61af66fc99e Initial load duke parents: diff changeset	352 }
a61af66fc99e Initial load duke parents: diff changeset	353
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	354 if (!should_inline(callee_method, caller_method, caller_bci, profile,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	355 wci_result)) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	356 return false;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	357 }
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	358 if (should_not_inline(callee_method, caller_method, wci_result)) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	359 return false;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	360 }
0 a61af66fc99e Initial load duke parents: diff changeset	361
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	362 if (InlineAccessors && callee_method->is_accessor()) {
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	363 // accessor methods are not subject to any of the following limits.
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	364 set_msg("accessor");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	365 return true;
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	366 }
0 a61af66fc99e Initial load duke parents: diff changeset	367
a61af66fc99e Initial load duke parents: diff changeset	368 // suppress a few checks for accessors and trivial methods
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	369 if (callee_method->code_size() > MaxTrivialSize) {
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	370
0 a61af66fc99e Initial load duke parents: diff changeset	371 // don't inline into giant methods
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	372 if (C->over_inlining_cutoff()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	373 if ((!callee_method->force_inline() && !caller_method->is_compiled_lambda_form())
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	374 \|\| !IncrementalInline) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	375 set_msg("NodeCountInliningCutoff");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	376 return false;
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	377 } else {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	378 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	379 }
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	380 }
0 a61af66fc99e Initial load duke parents: diff changeset	381
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	382 if ((!UseInterpreter \|\| CompileTheWorld) &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	383 is_init_with_ea(callee_method, caller_method, C)) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	384
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	385 // Escape Analysis stress testing when running Xcomp or CTW:
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	386 // inline constructors even if they are not reached.
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	387
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	388 } else if (profile.count() == 0) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	389 // don't inline unreached call sites
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	390 set_msg("call site not reached");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	391 return false;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	392 }
0 a61af66fc99e Initial load duke parents: diff changeset	393 }
a61af66fc99e Initial load duke parents: diff changeset	394
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	395 if (!C->do_inlining() && InlineAccessors) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	396 set_msg("not an accessor");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	397 return false;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	398 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	399 if (inline_level() > _max_inline_level) {
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	400 if (!callee_method->force_inline() \|\| !IncrementalInline) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	401 set_msg("inlining too deep");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	402 return false;
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	403 } else if (!C->inlining_incrementally()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	404 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	405 }
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	406 }
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	407
3334 b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	408 // detect direct and indirect recursive inlining
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	409 if (!callee_method->is_compiled_lambda_form()) {
3334 b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	410 // count the current method and the callee
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	411 int inline_level = (method() == callee_method) ? 1 : 0;
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	412 if (inline_level > MaxRecursiveInlineLevel) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	413 set_msg("recursively inlining too deep");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	414 return false;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	415 }
3334 b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	416 // count callers of current method and callee
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	417 JVMState* jvms = caller_jvms();
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	418 while (jvms != NULL && jvms->has_method()) {
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	419 if (jvms->method() == callee_method) {
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	420 inline_level++;
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	421 if (inline_level > MaxRecursiveInlineLevel) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	422 set_msg("recursively inlining too deep");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	423 return false;
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	424 }
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	425 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	426 jvms = jvms->caller();
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	427 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	428 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	429
3897 de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets twisti parents: 3784 diff changeset	430 int size = callee_method->code_size_for_inlining();
0 a61af66fc99e Initial load duke parents: diff changeset	431
a61af66fc99e Initial load duke parents: diff changeset	432 if (UseOldInlining && ClipInlining
a61af66fc99e Initial load duke parents: diff changeset	433 && (int)count_inline_bcs() + size >= DesiredMethodLimit) {
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	434 if (!callee_method->force_inline() \|\| !IncrementalInline) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	435 set_msg("size > DesiredMethodLimit");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	436 return false;
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	437 } else if (!C->inlining_incrementally()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	438 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	439 }
0 a61af66fc99e Initial load duke parents: diff changeset	440 }
a61af66fc99e Initial load duke parents: diff changeset	441
a61af66fc99e Initial load duke parents: diff changeset	442 // ok, inline this method
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	443 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	444 }
a61af66fc99e Initial load duke parents: diff changeset	445
a61af66fc99e Initial load duke parents: diff changeset	446 //------------------------------pass_initial_checks----------------------------
a61af66fc99e Initial load duke parents: diff changeset	447 bool pass_initial_checks(ciMethod* caller_method, int caller_bci, ciMethod* callee_method) {
a61af66fc99e Initial load duke parents: diff changeset	448 ciInstanceKlass *callee_holder = callee_method ? callee_method->holder() : NULL;
a61af66fc99e Initial load duke parents: diff changeset	449 // Check if a callee_method was suggested
a61af66fc99e Initial load duke parents: diff changeset	450 if( callee_method == NULL ) return false;
a61af66fc99e Initial load duke parents: diff changeset	451 // Check if klass of callee_method is loaded
a61af66fc99e Initial load duke parents: diff changeset	452 if( !callee_holder->is_loaded() ) return false;
a61af66fc99e Initial load duke parents: diff changeset	453 if( !callee_holder->is_initialized() ) return false;
a61af66fc99e Initial load duke parents: diff changeset	454 if( !UseInterpreter \|\| CompileTheWorld /* running Xcomp or CTW */ ) {
a61af66fc99e Initial load duke parents: diff changeset	455 // Checks that constant pool's call site has been visited
a61af66fc99e Initial load duke parents: diff changeset	456 // stricter than callee_holder->is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	457 ciBytecodeStream iter(caller_method);
a61af66fc99e Initial load duke parents: diff changeset	458 iter.force_bci(caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	459 Bytecodes::Code call_bc = iter.cur_bc();
1137 97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	460 // An invokedynamic instruction does not have a klass.
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	461 if (call_bc != Bytecodes::_invokedynamic) {
1565 ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1564 diff changeset	462 int index = iter.get_index_u2_cpcache();
1137 97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	463 if (!caller_method->is_klass_loaded(index, true)) {
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	464 return false;
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	465 }
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	466 // Try to do constant pool resolution if running Xcomp
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	467 if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	468 return false;
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	469 }
0 a61af66fc99e Initial load duke parents: diff changeset	470 }
a61af66fc99e Initial load duke parents: diff changeset	471 }
a61af66fc99e Initial load duke parents: diff changeset	472 // We will attempt to see if a class/field/etc got properly loaded. If it
a61af66fc99e Initial load duke parents: diff changeset	473 // did not, it may attempt to throw an exception during our probing. Catch
a61af66fc99e Initial load duke parents: diff changeset	474 // and ignore such exceptions and do not attempt to compile the method.
a61af66fc99e Initial load duke parents: diff changeset	475 if( callee_method->should_exclude() ) return false;
a61af66fc99e Initial load duke parents: diff changeset	476
a61af66fc99e Initial load duke parents: diff changeset	477 return true;
a61af66fc99e Initial load duke parents: diff changeset	478 }
a61af66fc99e Initial load duke parents: diff changeset	479
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	480 //------------------------------check_can_parse--------------------------------
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	481 const char* InlineTree::check_can_parse(ciMethod* callee) {
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	482 // Certain methods cannot be parsed at all:
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	483 if ( callee->is_native()) return "native method";
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	484 if ( callee->is_abstract()) return "abstract method";
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	485 if (!callee->can_be_compiled()) return "not compilable (disabled)";
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	486 if (!callee->has_balanced_monitors()) return "not compilable (unbalanced monitors)";
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	487 if ( callee->get_flow_analysis()->failing()) return "not compilable (flow analysis failed)";
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	488 return NULL;
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	489 }
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	490
0 a61af66fc99e Initial load duke parents: diff changeset	491 //------------------------------print_inlining---------------------------------
7991 60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	492 void InlineTree::print_inlining(ciMethod* callee_method, int caller_bci,
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	493 bool success) const {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	494 const char* inline_msg = msg();
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	495 assert(inline_msg != NULL, "just checking");
7991 60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	496 if (C->log() != NULL) {
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	497 if (success) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	498 C->log()->inline_success(inline_msg);
7991 60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	499 } else {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	500 C->log()->inline_fail(inline_msg);
7991 60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	501 }
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	502 }
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	503 if (PrintInlining) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	504 C->print_inlining(callee_method, inline_level(), caller_bci, inline_msg);
7991 60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	505 if (callee_method == NULL) tty->print(" callee not monotonic or profiled");
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	506 if (Verbose && callee_method) {
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	507 const InlineTree *top = this;
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	508 while( top->caller_tree() != NULL ) { top = top->caller_tree(); }
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	509 //tty->print(" bcs: %d+%d invoked: %d", top->count_inline_bcs(), callee_method->code_size(), callee_method->interpreter_invocation_count());
60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	510 }
0 a61af66fc99e Initial load duke parents: diff changeset	511 }
a61af66fc99e Initial load duke parents: diff changeset	512 }
a61af66fc99e Initial load duke parents: diff changeset	513
a61af66fc99e Initial load duke parents: diff changeset	514 //------------------------------ok_to_inline-----------------------------------
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	515 WarmCallInfo* InlineTree::ok_to_inline(ciMethod* callee_method, JVMState* jvms, ciCallProfile& profile, WarmCallInfo* initial_wci, bool& should_delay) {
0 a61af66fc99e Initial load duke parents: diff changeset	516 assert(callee_method != NULL, "caller checks for optimized virtual!");
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	517 assert(!should_delay, "should be initialized to false");
0 a61af66fc99e Initial load duke parents: diff changeset	518 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	519 // Make sure the incoming jvms has the same information content as me.
a61af66fc99e Initial load duke parents: diff changeset	520 // This means that we can eventually make this whole class AllStatic.
a61af66fc99e Initial load duke parents: diff changeset	521 if (jvms->caller() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	522 assert(_caller_jvms == NULL, "redundant instance state");
a61af66fc99e Initial load duke parents: diff changeset	523 } else {
a61af66fc99e Initial load duke parents: diff changeset	524 assert(_caller_jvms->same_calls_as(jvms->caller()), "redundant instance state");
a61af66fc99e Initial load duke parents: diff changeset	525 }
a61af66fc99e Initial load duke parents: diff changeset	526 assert(_method == jvms->method(), "redundant instance state");
a61af66fc99e Initial load duke parents: diff changeset	527 #endif
a61af66fc99e Initial load duke parents: diff changeset	528 int caller_bci = jvms->bci();
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	529 ciMethod* caller_method = jvms->method();
0 a61af66fc99e Initial load duke parents: diff changeset	530
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	531 // Do some initial checks.
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	532 if (!pass_initial_checks(caller_method, caller_bci, callee_method)) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	533 set_msg("failed initial checks");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	534 print_inlining(callee_method, caller_bci, false /* !success */);
0 a61af66fc99e Initial load duke parents: diff changeset	535 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	536 }
a61af66fc99e Initial load duke parents: diff changeset	537
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	538 // Do some parse checks.
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	539 set_msg(check_can_parse(callee_method));
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	540 if (msg() != NULL) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	541 print_inlining(callee_method, caller_bci, false /* !success */);
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	542 return NULL;
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	543 }
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	544
0 a61af66fc99e Initial load duke parents: diff changeset	545 // Check if inlining policy says no.
a61af66fc99e Initial load duke parents: diff changeset	546 WarmCallInfo wci = *(initial_wci);
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	547 bool success = try_to_inline(callee_method, caller_method, caller_bci,
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	548 profile, &wci, should_delay);
0 a61af66fc99e Initial load duke parents: diff changeset	549
a61af66fc99e Initial load duke parents: diff changeset	550 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	551 if (UseOldInlining && InlineWarmCalls
a61af66fc99e Initial load duke parents: diff changeset	552 && (PrintOpto \|\| PrintOptoInlining \|\| PrintInlining)) {
a61af66fc99e Initial load duke parents: diff changeset	553 bool cold = wci.is_cold();
a61af66fc99e Initial load duke parents: diff changeset	554 bool hot = !cold && wci.is_hot();
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	555 bool old_cold = !success;
0 a61af66fc99e Initial load duke parents: diff changeset	556 if (old_cold != cold \|\| (Verbose \|\| WizardMode)) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	557 if (msg() == NULL) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	558 set_msg("OK");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	559 }
0 a61af66fc99e Initial load duke parents: diff changeset	560 tty->print(" OldInlining= %4s : %s\n WCI=",
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	561 old_cold ? "cold" : "hot", msg());
0 a61af66fc99e Initial load duke parents: diff changeset	562 wci.print();
a61af66fc99e Initial load duke parents: diff changeset	563 }
a61af66fc99e Initial load duke parents: diff changeset	564 }
a61af66fc99e Initial load duke parents: diff changeset	565 #endif
a61af66fc99e Initial load duke parents: diff changeset	566 if (UseOldInlining) {
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	567 if (success) {
0 a61af66fc99e Initial load duke parents: diff changeset	568 wci = *(WarmCallInfo::always_hot());
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	569 } else {
0 a61af66fc99e Initial load duke parents: diff changeset	570 wci = *(WarmCallInfo::always_cold());
7991 60bba1398c51 8005439: no message about inline method if it specifed by CompileCommand vlivanov parents: 7473 diff changeset	571 }
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	572 }
0 a61af66fc99e Initial load duke parents: diff changeset	573 if (!InlineWarmCalls) {
a61af66fc99e Initial load duke parents: diff changeset	574 if (!wci.is_cold() && !wci.is_hot()) {
a61af66fc99e Initial load duke parents: diff changeset	575 // Do not inline the warm calls.
a61af66fc99e Initial load duke parents: diff changeset	576 wci = *(WarmCallInfo::always_cold());
a61af66fc99e Initial load duke parents: diff changeset	577 }
a61af66fc99e Initial load duke parents: diff changeset	578 }
a61af66fc99e Initial load duke parents: diff changeset	579
a61af66fc99e Initial load duke parents: diff changeset	580 if (!wci.is_cold()) {
a61af66fc99e Initial load duke parents: diff changeset	581 // Inline!
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	582 if (msg() == NULL) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	583 set_msg("inline (hot)");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	584 }
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	585 print_inlining(callee_method, caller_bci, true /* success */);
0 a61af66fc99e Initial load duke parents: diff changeset	586 if (UseOldInlining)
a61af66fc99e Initial load duke parents: diff changeset	587 build_inline_tree_for_callee(callee_method, jvms, caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	588 if (InlineWarmCalls && !wci.is_hot())
a61af66fc99e Initial load duke parents: diff changeset	589 return new (C) WarmCallInfo(wci); // copy to heap
a61af66fc99e Initial load duke parents: diff changeset	590 return WarmCallInfo::always_hot();
a61af66fc99e Initial load duke parents: diff changeset	591 }
a61af66fc99e Initial load duke parents: diff changeset	592
a61af66fc99e Initial load duke parents: diff changeset	593 // Do not inline
8119 133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	594 if (msg() == NULL) {
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	595 set_msg("too cold to inline");
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	596 }
133bf557ef77 8007439: C2: adding successful message of inlining iignatyev parents: 7991 diff changeset	597 print_inlining(callee_method, caller_bci, false /* !success */ );
0 a61af66fc99e Initial load duke parents: diff changeset	598 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	599 }
a61af66fc99e Initial load duke parents: diff changeset	600
a61af66fc99e Initial load duke parents: diff changeset	601 //------------------------------compute_callee_frequency-----------------------
a61af66fc99e Initial load duke parents: diff changeset	602 float InlineTree::compute_callee_frequency( int caller_bci ) const {
a61af66fc99e Initial load duke parents: diff changeset	603 int count = method()->interpreter_call_site_count(caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	604 int invcnt = method()->interpreter_invocation_count();
a61af66fc99e Initial load duke parents: diff changeset	605 float freq = (float)count/(float)invcnt;
a61af66fc99e Initial load duke parents: diff changeset	606 // Call-site count / interpreter invocation count, scaled recursively.
a61af66fc99e Initial load duke parents: diff changeset	607 // Always between 0.0 and 1.0. Represents the percentage of the method's
a61af66fc99e Initial load duke parents: diff changeset	608 // total execution time used at this call site.
a61af66fc99e Initial load duke parents: diff changeset	609
a61af66fc99e Initial load duke parents: diff changeset	610 return freq;
a61af66fc99e Initial load duke parents: diff changeset	611 }
a61af66fc99e Initial load duke parents: diff changeset	612
a61af66fc99e Initial load duke parents: diff changeset	613 //------------------------------build_inline_tree_for_callee-------------------
a61af66fc99e Initial load duke parents: diff changeset	614 InlineTree InlineTree::build_inline_tree_for_callee( ciMethod callee_method, JVMState* caller_jvms, int caller_bci) {
a61af66fc99e Initial load duke parents: diff changeset	615 float recur_frequency = _site_invoke_ratio * compute_callee_frequency(caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	616 // Attempt inlining.
a61af66fc99e Initial load duke parents: diff changeset	617 InlineTree* old_ilt = callee_at(caller_bci, callee_method);
a61af66fc99e Initial load duke parents: diff changeset	618 if (old_ilt != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	619 return old_ilt;
a61af66fc99e Initial load duke parents: diff changeset	620 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	621 int max_inline_level_adjust = 0;
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	622 if (caller_jvms->method() != NULL) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	623 if (caller_jvms->method()->is_compiled_lambda_form())
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	624 max_inline_level_adjust += 1; // don't count actions in MH or indy adapter frames
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	625 else if (callee_method->is_method_handle_intrinsic() \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	626 callee_method->is_compiled_lambda_form()) {
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	627 max_inline_level_adjust += 1; // don't count method handle calls from java.lang.invoke implem
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	628 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	629 if (max_inline_level_adjust != 0 && PrintInlining && (Verbose \|\| WizardMode)) {
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	630 CompileTask::print_inline_indent(inline_level());
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	631 tty->print_cr(" \\-> discounting inline depth");
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	632 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	633 if (max_inline_level_adjust != 0 && C->log()) {
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	634 int id1 = C->log()->identify(caller_jvms->method());
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	635 int id2 = C->log()->identify(callee_method);
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	636 C->log()->elem("inline_level_discount caller='%d' callee='%d'", id1, id2);
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	637 }
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	638 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	639 InlineTree* ilt = new InlineTree(C, this, callee_method, caller_jvms, caller_bci, recur_frequency, _max_inline_level + max_inline_level_adjust);
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	640 _subtrees.append(ilt);
0 a61af66fc99e Initial load duke parents: diff changeset	641
a61af66fc99e Initial load duke parents: diff changeset	642 NOT_PRODUCT( _count_inlines += 1; )
a61af66fc99e Initial load duke parents: diff changeset	643
a61af66fc99e Initial load duke parents: diff changeset	644 return ilt;
a61af66fc99e Initial load duke parents: diff changeset	645 }
a61af66fc99e Initial load duke parents: diff changeset	646
a61af66fc99e Initial load duke parents: diff changeset	647
a61af66fc99e Initial load duke parents: diff changeset	648 //---------------------------------------callee_at-----------------------------
a61af66fc99e Initial load duke parents: diff changeset	649 InlineTree InlineTree::callee_at(int bci, ciMethod callee) const {
a61af66fc99e Initial load duke parents: diff changeset	650 for (int i = 0; i < _subtrees.length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	651 InlineTree* sub = _subtrees.at(i);
a61af66fc99e Initial load duke parents: diff changeset	652 if (sub->caller_bci() == bci && callee == sub->method()) {
a61af66fc99e Initial load duke parents: diff changeset	653 return sub;
a61af66fc99e Initial load duke parents: diff changeset	654 }
a61af66fc99e Initial load duke parents: diff changeset	655 }
a61af66fc99e Initial load duke parents: diff changeset	656 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	657 }
a61af66fc99e Initial load duke parents: diff changeset	658
a61af66fc99e Initial load duke parents: diff changeset	659
a61af66fc99e Initial load duke parents: diff changeset	660 //------------------------------build_inline_tree_root-------------------------
a61af66fc99e Initial load duke parents: diff changeset	661 InlineTree *InlineTree::build_inline_tree_root() {
a61af66fc99e Initial load duke parents: diff changeset	662 Compile* C = Compile::current();
a61af66fc99e Initial load duke parents: diff changeset	663
a61af66fc99e Initial load duke parents: diff changeset	664 // Root of inline tree
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	665 InlineTree* ilt = new InlineTree(C, NULL, C->method(), NULL, -1, 1.0F, MaxInlineLevel);
0 a61af66fc99e Initial load duke parents: diff changeset	666
a61af66fc99e Initial load duke parents: diff changeset	667 return ilt;
a61af66fc99e Initial load duke parents: diff changeset	668 }
a61af66fc99e Initial load duke parents: diff changeset	669
a61af66fc99e Initial load duke parents: diff changeset	670
a61af66fc99e Initial load duke parents: diff changeset	671 //-------------------------find_subtree_from_root-----------------------------
a61af66fc99e Initial load duke parents: diff changeset	672 // Given a jvms, which determines a call chain from the root method,
a61af66fc99e Initial load duke parents: diff changeset	673 // find the corresponding inline tree.
a61af66fc99e Initial load duke parents: diff changeset	674 // Note: This method will be removed or replaced as InlineTree goes away.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	675 InlineTree* InlineTree::find_subtree_from_root(InlineTree* root, JVMState* jvms, ciMethod* callee) {
0 a61af66fc99e Initial load duke parents: diff changeset	676 InlineTree* iltp = root;
a61af66fc99e Initial load duke parents: diff changeset	677 uint depth = jvms && jvms->has_method() ? jvms->depth() : 0;
a61af66fc99e Initial load duke parents: diff changeset	678 for (uint d = 1; d <= depth; d++) {
a61af66fc99e Initial load duke parents: diff changeset	679 JVMState* jvmsp = jvms->of_depth(d);
a61af66fc99e Initial load duke parents: diff changeset	680 // Select the corresponding subtree for this bci.
a61af66fc99e Initial load duke parents: diff changeset	681 assert(jvmsp->method() == iltp->method(), "tree still in sync");
a61af66fc99e Initial load duke parents: diff changeset	682 ciMethod* d_callee = (d == depth) ? callee : jvms->of_depth(d+1)->method();
a61af66fc99e Initial load duke parents: diff changeset	683 InlineTree* sub = iltp->callee_at(jvmsp->bci(), d_callee);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	684 if (sub == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	685 if (d == depth) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	686 sub = iltp->build_inline_tree_for_callee(d_callee, jvmsp, jvmsp->bci());
0 a61af66fc99e Initial load duke parents: diff changeset	687 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	688 guarantee(sub != NULL, "should be a sub-ilt here");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	689 return sub;
0 a61af66fc99e Initial load duke parents: diff changeset	690 }
a61af66fc99e Initial load duke parents: diff changeset	691 iltp = sub;
a61af66fc99e Initial load duke parents: diff changeset	692 }
a61af66fc99e Initial load duke parents: diff changeset	693 return iltp;
a61af66fc99e Initial load duke parents: diff changeset	694 }
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	695
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	696
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	697
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	698 #ifndef PRODUCT
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	699 void InlineTree::print_impl(outputStream* st, int indent) const {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	700 for (int i = 0; i < indent; i++) st->print(" ");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	701 st->print(" @ %d ", caller_bci());
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	702 method()->print_short_name(st);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	703 st->cr();
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	704
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	705 for (int i = 0 ; i < _subtrees.length(); i++) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	706 _subtrees.at(i)->print_impl(st, indent + 2);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	707 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	708 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	709
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	710 void InlineTree::print_value_on(outputStream* st) const {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	711 print_impl(st, 2);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	712 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	713 #endif

Mercurial > hg > truffle

annotate src/share/vm/opto/bytecodeInfo.cpp @ 10281:1da5d70655e9