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

annotate src/share/vm/opto/bytecodeInfo.cpp @ 7473:d092d1b31229

8005071: Incremental inlining for JSR 292 Summary: post parse inlining driven by number of live nodes. Reviewed-by: twisti, kvn, jrose

author	roland
date	Sun, 23 Dec 2012 17:08:22 +0100
parents	ad5dd04754ee
children	989155e2d07a 60bba1398c51

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()),
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	50 _subtrees(c->comp_arena(), 2, 0, NULL)
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	51 {
0 a61af66fc99e Initial load duke parents: diff changeset	52 NOT_PRODUCT(_count_inlines = 0;)
a61af66fc99e Initial load duke parents: diff changeset	53 if (_caller_jvms != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	54 // Keep a private copy of the caller_jvms:
a61af66fc99e Initial load duke parents: diff changeset	55 _caller_jvms = new (C) JVMState(caller_jvms->method(), caller_tree->caller_jvms());
a61af66fc99e Initial load duke parents: diff changeset	56 _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	57 assert(!caller_jvms->should_reexecute(), "there should be no reexecute bytecode with inlining");
0 a61af66fc99e Initial load duke parents: diff changeset	58 }
a61af66fc99e Initial load duke parents: diff changeset	59 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	60 assert((caller_tree == NULL ? 0 : caller_tree->stack_depth() + 1) == stack_depth(), "correct (redundant) depth parameter");
0 a61af66fc99e Initial load duke parents: diff changeset	61 assert(caller_bci == this->caller_bci(), "correct (redundant) bci parameter");
a61af66fc99e Initial load duke parents: diff changeset	62 if (UseOldInlining) {
a61af66fc99e Initial load duke parents: diff changeset	63 // Update hierarchical counts, count_inline_bcs() and count_inlines()
a61af66fc99e Initial load duke parents: diff changeset	64 InlineTree caller = (InlineTree )caller_tree;
a61af66fc99e Initial load duke parents: diff changeset	65 for( ; caller != NULL; caller = ((InlineTree *)(caller->caller_tree())) ) {
a61af66fc99e Initial load duke parents: diff changeset	66 caller->_count_inline_bcs += count_inline_bcs();
a61af66fc99e Initial load duke parents: diff changeset	67 NOT_PRODUCT(caller->_count_inlines++;)
a61af66fc99e Initial load duke parents: diff changeset	68 }
a61af66fc99e Initial load duke parents: diff changeset	69 }
a61af66fc99e Initial load duke parents: diff changeset	70 }
a61af66fc99e Initial load duke parents: diff changeset	71
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	72 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	73 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	74 C(c),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	75 _caller_jvms(caller_jvms),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	76 _caller_tree(NULL),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	77 _method(callee_method),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	78 _site_invoke_ratio(site_invoke_ratio),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	79 _max_inline_level(max_inline_level),
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	80 _count_inline_bcs(method()->code_size())
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	81 {
0 a61af66fc99e Initial load duke parents: diff changeset	82 NOT_PRODUCT(_count_inlines = 0;)
a61af66fc99e Initial load duke parents: diff changeset	83 assert(!UseOldInlining, "do not use for old stuff");
a61af66fc99e Initial load duke parents: diff changeset	84 }
a61af66fc99e Initial load duke parents: diff changeset	85
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	86 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	87 ciMethod* caller_method, Compile* C) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	88 // True when EA is ON and a java constructor is called or
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	89 // a super constructor is called from an inlined java constructor.
244 524eca34ea76 6684714: Optimize EA Connection Graph build performance kvn parents: 41 diff changeset	90 return C->do_escape_analysis() && EliminateAllocations &&
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	91 ( callee_method->is_initializer() \|\|
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	92 (caller_method->is_initializer() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	93 caller_method != C->method() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	94 caller_method->holder()->is_subclass_of(callee_method->holder()))
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	95 );
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	96 }
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	97
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	98 // positive filter: should callee be inlined? returns NULL, if yes, or rejection msg
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	99 const char* InlineTree::should_inline(ciMethod* callee_method, ciMethod* caller_method, int caller_bci, ciCallProfile& profile, WarmCallInfo* wci_result) const {
0 a61af66fc99e Initial load duke parents: diff changeset	100 // Allows targeted inlining
a61af66fc99e Initial load duke parents: diff changeset	101 if(callee_method->should_inline()) {
a61af66fc99e Initial load duke parents: diff changeset	102 wci_result = (WarmCallInfo::always_hot());
a61af66fc99e Initial load duke parents: diff changeset	103 if (PrintInlining && Verbose) {
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	104 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	105 tty->print_cr("Inlined method is hot: ");
a61af66fc99e Initial load duke parents: diff changeset	106 }
a61af66fc99e Initial load duke parents: diff changeset	107 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	108 }
a61af66fc99e Initial load duke parents: diff changeset	109
a61af66fc99e Initial load duke parents: diff changeset	110 // positive filter: should send be inlined? returns NULL (--> yes)
a61af66fc99e Initial load duke parents: diff changeset	111 // or rejection msg
3897 de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets twisti parents: 3784 diff changeset	112 int size = callee_method->code_size_for_inlining();
0 a61af66fc99e Initial load duke parents: diff changeset	113
a61af66fc99e Initial load duke parents: diff changeset	114 // 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	115 if(callee_method->interpreter_throwout_count() > InlineThrowCount &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	116 size < InlineThrowMaxSize ) {
0 a61af66fc99e Initial load duke parents: diff changeset	117 wci_result->set_profit(wci_result->profit() * 100);
a61af66fc99e Initial load duke parents: diff changeset	118 if (PrintInlining && Verbose) {
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	119 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	120 tty->print_cr("Inlined method with many throws (throws=%d):", callee_method->interpreter_throwout_count());
a61af66fc99e Initial load duke parents: diff changeset	121 }
a61af66fc99e Initial load duke parents: diff changeset	122 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	123 }
a61af66fc99e Initial load duke parents: diff changeset	124
a61af66fc99e Initial load duke parents: diff changeset	125 if (!UseOldInlining) {
a61af66fc99e Initial load duke parents: diff changeset	126 return NULL; // size and frequency are represented in a new way
a61af66fc99e Initial load duke parents: diff changeset	127 }
a61af66fc99e Initial load duke parents: diff changeset	128
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	129 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	130 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	131 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	132
0 a61af66fc99e Initial load duke parents: diff changeset	133 int call_site_count = method()->scale_count(profile.count());
a61af66fc99e Initial load duke parents: diff changeset	134 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	135
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	136 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	137 int freq = call_site_count / invoke_count;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	138
0 a61af66fc99e Initial load duke parents: diff changeset	139 // 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	140 if ((freq >= InlineFrequencyRatio) \|\|
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	141 (call_site_count >= InlineFrequencyCount) \|\|
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	142 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	143
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	144 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	145 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	146 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	147 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	148 CompileTask::print_inline_indent(inline_level());
0 a61af66fc99e Initial load duke parents: diff changeset	149 callee_method->print();
a61af66fc99e Initial load duke parents: diff changeset	150 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	151 }
a61af66fc99e Initial load duke parents: diff changeset	152 } else {
a61af66fc99e Initial load duke parents: diff changeset	153 // 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	154 if (callee_method->has_compiled_code() &&
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	155 callee_method->instructions_size() > inline_small_code_size)
0 a61af66fc99e Initial load duke parents: diff changeset	156 return "already compiled into a medium method";
a61af66fc99e Initial load duke parents: diff changeset	157 }
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	158 if (size > 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	159 if (max_inline_size > default_max_inline_size)
0 a61af66fc99e Initial load duke parents: diff changeset	160 return "hot method too big";
a61af66fc99e Initial load duke parents: diff changeset	161 return "too big";
a61af66fc99e Initial load duke parents: diff changeset	162 }
a61af66fc99e Initial load duke parents: diff changeset	163 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	164 }
a61af66fc99e Initial load duke parents: diff changeset	165
a61af66fc99e Initial load duke parents: diff changeset	166
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	167 // negative filter: should callee NOT be inlined? returns NULL, ok to inline, or rejection msg
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	168 const char* InlineTree::should_not_inline(ciMethod callee_method, ciMethod caller_method, WarmCallInfo* wci_result) const {
0 a61af66fc99e Initial load duke parents: diff changeset	169 // negative filter: should send NOT be inlined? returns NULL (--> inline) or rejection msg
a61af66fc99e Initial load duke parents: diff changeset	170 if (!UseOldInlining) {
a61af66fc99e Initial load duke parents: diff changeset	171 const char* fail = NULL;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	172 if ( callee_method->is_abstract()) fail = "abstract method";
0 a61af66fc99e Initial load duke parents: diff changeset	173 // note: we allow ik->is_abstract()
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	174 if (!callee_method->holder()->is_initialized()) fail = "method holder not initialized";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	175 if ( callee_method->is_native()) fail = "native method";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	176 if ( callee_method->dont_inline()) fail = "don't inline by annotation";
0 a61af66fc99e Initial load duke parents: diff changeset	177
a61af66fc99e Initial load duke parents: diff changeset	178 if (fail) {
a61af66fc99e Initial load duke parents: diff changeset	179 wci_result = (WarmCallInfo::always_cold());
a61af66fc99e Initial load duke parents: diff changeset	180 return fail;
a61af66fc99e Initial load duke parents: diff changeset	181 }
a61af66fc99e Initial load duke parents: diff changeset	182
a61af66fc99e Initial load duke parents: diff changeset	183 if (callee_method->has_unloaded_classes_in_signature()) {
a61af66fc99e Initial load duke parents: diff changeset	184 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load duke parents: diff changeset	185 }
a61af66fc99e Initial load duke parents: diff changeset	186
a61af66fc99e Initial load duke parents: diff changeset	187 // don't inline exception code unless the top method belongs to an
a61af66fc99e Initial load duke parents: diff changeset	188 // exception class
a61af66fc99e Initial load duke parents: diff changeset	189 if (callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load duke parents: diff changeset	190 ciMethod* top_method = caller_jvms() ? caller_jvms()->of_depth(1)->method() : method();
a61af66fc99e Initial load duke parents: diff changeset	191 if (!top_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load duke parents: diff changeset	192 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load duke parents: diff changeset	193 }
a61af66fc99e Initial load duke parents: diff changeset	194 }
a61af66fc99e Initial load duke parents: diff changeset	195
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	196 if (callee_method->has_compiled_code() &&
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	197 callee_method->instructions_size() > InlineSmallCode) {
0 a61af66fc99e Initial load duke parents: diff changeset	198 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load duke parents: diff changeset	199 // %%% adjust wci_result->size()?
a61af66fc99e Initial load duke parents: diff changeset	200 }
a61af66fc99e Initial load duke parents: diff changeset	201
a61af66fc99e Initial load duke parents: diff changeset	202 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	203 }
a61af66fc99e Initial load duke parents: diff changeset	204
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	205 // First check all inlining restrictions which are required for correctness
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	206 if ( callee_method->is_abstract()) return "abstract method";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	207 // note: we allow ik->is_abstract()
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	208 if (!callee_method->holder()->is_initialized()) return "method holder not initialized";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	209 if ( callee_method->is_native()) return "native method";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	210 if ( callee_method->dont_inline()) return "don't inline by annotation";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	211 if ( callee_method->has_unloaded_classes_in_signature()) return "unloaded signature classes";
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 1137 diff changeset	212
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	213 if (callee_method->should_inline()) {
0 a61af66fc99e Initial load duke parents: diff changeset	214 // ignore heuristic controls on inlining
a61af66fc99e Initial load duke parents: diff changeset	215 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	216 }
a61af66fc99e Initial load duke parents: diff changeset	217
a61af66fc99e Initial load duke parents: diff changeset	218 // Now perform checks which are heuristic
a61af66fc99e Initial load duke parents: diff changeset	219
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	220 if (!callee_method->force_inline()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	221 if (callee_method->has_compiled_code() &&
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	222 callee_method->instructions_size() > InlineSmallCode) {
0 a61af66fc99e Initial load duke parents: diff changeset	223 return "already compiled into a big method";
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	224 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	225 }
0 a61af66fc99e Initial load duke parents: diff changeset	226
a61af66fc99e Initial load duke parents: diff changeset	227 // don't inline exception code unless the top method belongs to an
a61af66fc99e Initial load duke parents: diff changeset	228 // exception class
a61af66fc99e Initial load duke parents: diff changeset	229 if (caller_tree() != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	230 callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load duke parents: diff changeset	231 const InlineTree *top = this;
a61af66fc99e Initial load duke parents: diff changeset	232 while (top->caller_tree() != NULL) top = top->caller_tree();
a61af66fc99e Initial load duke parents: diff changeset	233 ciInstanceKlass* k = top->method()->holder();
a61af66fc99e Initial load duke parents: diff changeset	234 if (!k->is_subclass_of(C->env()->Throwable_klass()))
a61af66fc99e Initial load duke parents: diff changeset	235 return "exception method";
a61af66fc99e Initial load duke parents: diff changeset	236 }
a61af66fc99e Initial load duke parents: diff changeset	237
5950 0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	238 if (callee_method->should_not_inline()) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	239 return "disallowed by CompilerOracle";
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	240 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	241
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	242 #ifndef PRODUCT
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	243 if (ciReplay::should_not_inline(callee_method)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	244 return "disallowed by ciReplay";
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	245 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	246 #endif
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 6853 diff changeset	247
5950 0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	248 if (UseStringCache) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	249 // 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	250 if (callee_method->name() == ciSymbol::profile_name() &&
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	251 callee_method->holder()->name() == ciSymbol::java_lang_StringCache()) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	252 return "profiling method";
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	253 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	254 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely never parents: 3939 diff changeset	255
0 a61af66fc99e Initial load duke parents: diff changeset	256 // use frequency-based objections only for non-trivial methods
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	257 if (callee_method->code_size() <= MaxTrivialSize) return NULL;
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	258
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	259 // don't use counts with -Xcomp or CTW
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	260 if (UseInterpreter && !CompileTheWorld) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	261
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	262 if (!callee_method->has_compiled_code() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	263 !callee_method->was_executed_more_than(0)) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	264 return "never executed";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	265 }
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	266
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	267 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	268
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	269 // Escape Analysis: inline all executed constructors
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	270
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	271 } 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	272 CompileThreshold >> 1))) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	273 return "executed < MinInliningThreshold times";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	274 }
0 a61af66fc99e Initial load duke parents: diff changeset	275 }
a61af66fc99e Initial load duke parents: diff changeset	276
a61af66fc99e Initial load duke parents: diff changeset	277 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	278 }
a61af66fc99e Initial load duke parents: diff changeset	279
a61af66fc99e Initial load duke parents: diff changeset	280 //-----------------------------try_to_inline-----------------------------------
a61af66fc99e Initial load duke parents: diff changeset	281 // return NULL if ok, reason for not inlining otherwise
a61af66fc99e Initial load duke parents: diff changeset	282 // Relocated from "InliningClosure::try_to_inline"
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	283 const char* InlineTree::try_to_inline(ciMethod* callee_method, ciMethod* caller_method, int caller_bci, ciCallProfile& profile, WarmCallInfo* wci_result, bool& should_delay) {
0 a61af66fc99e Initial load duke parents: diff changeset	284 // Old algorithm had funny accumulating BC-size counters
a61af66fc99e Initial load duke parents: diff changeset	285 if (UseOldInlining && ClipInlining
a61af66fc99e Initial load duke parents: diff changeset	286 && (int)count_inline_bcs() >= DesiredMethodLimit) {
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	287 if (!callee_method->force_inline() \|\| !IncrementalInline) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	288 return "size > DesiredMethodLimit";
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	289 } else if (!C->inlining_incrementally()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	290 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	291 }
0 a61af66fc99e Initial load duke parents: diff changeset	292 }
a61af66fc99e Initial load duke parents: diff changeset	293
a61af66fc99e Initial load duke parents: diff changeset	294 const char *msg = NULL;
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	295 msg = should_inline(callee_method, caller_method, caller_bci, profile, wci_result);
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	296 if (msg != NULL)
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	297 return msg;
3366 e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	298
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	299 msg = should_not_inline(callee_method, caller_method, wci_result);
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters twisti parents: 3345 diff changeset	300 if (msg != NULL)
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	301 return msg;
0 a61af66fc99e Initial load duke parents: diff changeset	302
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	303 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	304 // accessor methods are not subject to any of the following limits.
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	305 return NULL;
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	306 }
0 a61af66fc99e Initial load duke parents: diff changeset	307
a61af66fc99e Initial load duke parents: diff changeset	308 // 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	309 if (callee_method->code_size() > MaxTrivialSize) {
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	310
0 a61af66fc99e Initial load duke parents: diff changeset	311 // don't inline into giant methods
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	312 if (C->over_inlining_cutoff()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	313 if ((!callee_method->force_inline() && !caller_method->is_compiled_lambda_form())
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	314 \|\| !IncrementalInline) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	315 return "NodeCountInliningCutoff";
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	316 } else {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	317 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	318 }
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	319 }
0 a61af66fc99e Initial load duke parents: diff changeset	320
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	321 if ((!UseInterpreter \|\| CompileTheWorld) &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	322 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	323
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	324 // 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	325 // inline constructors even if they are not reached.
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	326
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	327 } else if (profile.count() == 0) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	328 // don't inline unreached call sites
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	329 return "call site not reached";
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
1157 c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	333 if (!C->do_inlining() && InlineAccessors) {
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	334 return "not an accessor";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	335 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	336 if (inline_level() > _max_inline_level) {
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	337 if (!callee_method->force_inline() \|\| !IncrementalInline) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	338 return "inlining too deep";
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	339 } else if (!C->inlining_incrementally()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	340 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	341 }
41 874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on kvn parents: 0 diff changeset	342 }
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	343
3334 b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	344 // 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	345 if (!callee_method->is_compiled_lambda_form()) {
3334 b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	346 // count the current method and the callee
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	347 int inline_level = (method() == callee_method) ? 1 : 0;
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	348 if (inline_level > MaxRecursiveInlineLevel)
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	349 return "recursively inlining too deep";
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly twisti parents: 2405 diff changeset	350 // count callers of current method and callee
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	351 JVMState* jvms = caller_jvms();
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	352 while (jvms != NULL && jvms->has_method()) {
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	353 if (jvms->method() == callee_method) {
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	354 inline_level++;
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	355 if (inline_level > MaxRecursiveInlineLevel)
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	356 return "recursively inlining too deep";
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	357 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	358 jvms = jvms->caller();
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	359 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	360 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	361
3897 de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets twisti parents: 3784 diff changeset	362 int size = callee_method->code_size_for_inlining();
0 a61af66fc99e Initial load duke parents: diff changeset	363
a61af66fc99e Initial load duke parents: diff changeset	364 if (UseOldInlining && ClipInlining
a61af66fc99e Initial load duke parents: diff changeset	365 && (int)count_inline_bcs() + size >= DesiredMethodLimit) {
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	366 if (!callee_method->force_inline() \|\| !IncrementalInline) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	367 return "size > DesiredMethodLimit";
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	368 } else if (!C->inlining_incrementally()) {
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	369 should_delay = true;
d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	370 }
0 a61af66fc99e Initial load duke parents: diff changeset	371 }
a61af66fc99e Initial load duke parents: diff changeset	372
a61af66fc99e Initial load duke parents: diff changeset	373 // ok, inline this method
a61af66fc99e Initial load duke parents: diff changeset	374 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	375 }
a61af66fc99e Initial load duke parents: diff changeset	376
a61af66fc99e Initial load duke parents: diff changeset	377 //------------------------------pass_initial_checks----------------------------
a61af66fc99e Initial load duke parents: diff changeset	378 bool pass_initial_checks(ciMethod* caller_method, int caller_bci, ciMethod* callee_method) {
a61af66fc99e Initial load duke parents: diff changeset	379 ciInstanceKlass *callee_holder = callee_method ? callee_method->holder() : NULL;
a61af66fc99e Initial load duke parents: diff changeset	380 // Check if a callee_method was suggested
a61af66fc99e Initial load duke parents: diff changeset	381 if( callee_method == NULL ) return false;
a61af66fc99e Initial load duke parents: diff changeset	382 // Check if klass of callee_method is loaded
a61af66fc99e Initial load duke parents: diff changeset	383 if( !callee_holder->is_loaded() ) return false;
a61af66fc99e Initial load duke parents: diff changeset	384 if( !callee_holder->is_initialized() ) return false;
a61af66fc99e Initial load duke parents: diff changeset	385 if( !UseInterpreter \|\| CompileTheWorld /* running Xcomp or CTW */ ) {
a61af66fc99e Initial load duke parents: diff changeset	386 // Checks that constant pool's call site has been visited
a61af66fc99e Initial load duke parents: diff changeset	387 // stricter than callee_holder->is_initialized()
a61af66fc99e Initial load duke parents: diff changeset	388 ciBytecodeStream iter(caller_method);
a61af66fc99e Initial load duke parents: diff changeset	389 iter.force_bci(caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	390 Bytecodes::Code call_bc = iter.cur_bc();
1137 97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	391 // An invokedynamic instruction does not have a klass.
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	392 if (call_bc != Bytecodes::_invokedynamic) {
1565 ab102d5d923e 6939207: refactor constant pool index processing jrose parents: 1564 diff changeset	393 int index = iter.get_index_u2_cpcache();
1137 97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	394 if (!caller_method->is_klass_loaded(index, true)) {
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	395 return false;
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	396 }
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	397 // Try to do constant pool resolution if running Xcomp
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	398 if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	399 return false;
97125851f396 6829187: compiler optimizations required for JSR 292 twisti parents: 903 diff changeset	400 }
0 a61af66fc99e Initial load duke parents: diff changeset	401 }
a61af66fc99e Initial load duke parents: diff changeset	402 }
a61af66fc99e Initial load duke parents: diff changeset	403 // We will attempt to see if a class/field/etc got properly loaded. If it
a61af66fc99e Initial load duke parents: diff changeset	404 // did not, it may attempt to throw an exception during our probing. Catch
a61af66fc99e Initial load duke parents: diff changeset	405 // and ignore such exceptions and do not attempt to compile the method.
a61af66fc99e Initial load duke parents: diff changeset	406 if( callee_method->should_exclude() ) return false;
a61af66fc99e Initial load duke parents: diff changeset	407
a61af66fc99e Initial load duke parents: diff changeset	408 return true;
a61af66fc99e Initial load duke parents: diff changeset	409 }
a61af66fc99e Initial load duke parents: diff changeset	410
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	411 //------------------------------check_can_parse--------------------------------
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	412 const char* InlineTree::check_can_parse(ciMethod* callee) {
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	413 // Certain methods cannot be parsed at all:
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	414 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	415 if ( callee->is_abstract()) return "abstract method";
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	416 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	417 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	418 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	419 return NULL;
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	420 }
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	421
0 a61af66fc99e Initial load duke parents: diff changeset	422 //------------------------------print_inlining---------------------------------
a61af66fc99e Initial load duke parents: diff changeset	423 // Really, the failure_msg can be a success message also.
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	424 void InlineTree::print_inlining(ciMethod* callee_method, int caller_bci, const char* failure_msg) const {
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 6972 diff changeset	425 C->print_inlining(callee_method, inline_level(), caller_bci, failure_msg ? failure_msg : "inline");
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	426 if (callee_method == NULL) tty->print(" callee not monotonic or profiled");
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2357 diff changeset	427 if (Verbose && callee_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	428 const InlineTree *top = this;
a61af66fc99e Initial load duke parents: diff changeset	429 while( top->caller_tree() != NULL ) { top = top->caller_tree(); }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	430 //tty->print(" bcs: %d+%d invoked: %d", top->count_inline_bcs(), callee_method->code_size(), callee_method->interpreter_invocation_count());
0 a61af66fc99e Initial load duke parents: diff changeset	431 }
a61af66fc99e Initial load duke parents: diff changeset	432 }
a61af66fc99e Initial load duke parents: diff changeset	433
a61af66fc99e Initial load duke parents: diff changeset	434 //------------------------------ok_to_inline-----------------------------------
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	435 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	436 assert(callee_method != NULL, "caller checks for optimized virtual!");
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	437 assert(!should_delay, "should be initialized to false");
0 a61af66fc99e Initial load duke parents: diff changeset	438 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	439 // Make sure the incoming jvms has the same information content as me.
a61af66fc99e Initial load duke parents: diff changeset	440 // This means that we can eventually make this whole class AllStatic.
a61af66fc99e Initial load duke parents: diff changeset	441 if (jvms->caller() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	442 assert(_caller_jvms == NULL, "redundant instance state");
a61af66fc99e Initial load duke parents: diff changeset	443 } else {
a61af66fc99e Initial load duke parents: diff changeset	444 assert(_caller_jvms->same_calls_as(jvms->caller()), "redundant instance state");
a61af66fc99e Initial load duke parents: diff changeset	445 }
a61af66fc99e Initial load duke parents: diff changeset	446 assert(_method == jvms->method(), "redundant instance state");
a61af66fc99e Initial load duke parents: diff changeset	447 #endif
a61af66fc99e Initial load duke parents: diff changeset	448 const char *failure_msg = NULL;
a61af66fc99e Initial load duke parents: diff changeset	449 int caller_bci = jvms->bci();
a61af66fc99e Initial load duke parents: diff changeset	450 ciMethod *caller_method = jvms->method();
a61af66fc99e Initial load duke parents: diff changeset	451
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	452 // Do some initial checks.
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	453 if (!pass_initial_checks(caller_method, caller_bci, callee_method)) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	454 if (PrintInlining) print_inlining(callee_method, caller_bci, "failed initial checks");
0 a61af66fc99e Initial load duke parents: diff changeset	455 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	456 }
a61af66fc99e Initial load duke parents: diff changeset	457
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	458 // Do some parse checks.
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	459 failure_msg = check_can_parse(callee_method);
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	460 if (failure_msg != NULL) {
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	461 if (PrintInlining) print_inlining(callee_method, caller_bci, failure_msg);
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	462 return NULL;
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	463 }
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	464
0 a61af66fc99e Initial load duke parents: diff changeset	465 // Check if inlining policy says no.
a61af66fc99e Initial load duke parents: diff changeset	466 WarmCallInfo wci = *(initial_wci);
7473 d092d1b31229 8005071: Incremental inlining for JSR 292 roland parents: 7421 diff changeset	467 failure_msg = try_to_inline(callee_method, caller_method, caller_bci, profile, &wci, should_delay);
0 a61af66fc99e Initial load duke parents: diff changeset	468 if (failure_msg != NULL && C->log() != NULL) {
6843 c3e799c37717 7177003: C1: LogCompilation support vlivanov parents: 6266 diff changeset	469 C->log()->inline_fail(failure_msg);
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 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	473 if (UseOldInlining && InlineWarmCalls
a61af66fc99e Initial load duke parents: diff changeset	474 && (PrintOpto \|\| PrintOptoInlining \|\| PrintInlining)) {
a61af66fc99e Initial load duke parents: diff changeset	475 bool cold = wci.is_cold();
a61af66fc99e Initial load duke parents: diff changeset	476 bool hot = !cold && wci.is_hot();
a61af66fc99e Initial load duke parents: diff changeset	477 bool old_cold = (failure_msg != NULL);
a61af66fc99e Initial load duke parents: diff changeset	478 if (old_cold != cold \|\| (Verbose \|\| WizardMode)) {
a61af66fc99e Initial load duke parents: diff changeset	479 tty->print(" OldInlining= %4s : %s\n WCI=",
a61af66fc99e Initial load duke parents: diff changeset	480 old_cold ? "cold" : "hot", failure_msg ? failure_msg : "OK");
a61af66fc99e Initial load duke parents: diff changeset	481 wci.print();
a61af66fc99e Initial load duke parents: diff changeset	482 }
a61af66fc99e Initial load duke parents: diff changeset	483 }
a61af66fc99e Initial load duke parents: diff changeset	484 #endif
a61af66fc99e Initial load duke parents: diff changeset	485 if (UseOldInlining) {
a61af66fc99e Initial load duke parents: diff changeset	486 if (failure_msg == NULL)
a61af66fc99e Initial load duke parents: diff changeset	487 wci = *(WarmCallInfo::always_hot());
a61af66fc99e Initial load duke parents: diff changeset	488 else
a61af66fc99e Initial load duke parents: diff changeset	489 wci = *(WarmCallInfo::always_cold());
a61af66fc99e Initial load duke parents: diff changeset	490 }
a61af66fc99e Initial load duke parents: diff changeset	491 if (!InlineWarmCalls) {
a61af66fc99e Initial load duke parents: diff changeset	492 if (!wci.is_cold() && !wci.is_hot()) {
a61af66fc99e Initial load duke parents: diff changeset	493 // Do not inline the warm calls.
a61af66fc99e Initial load duke parents: diff changeset	494 wci = *(WarmCallInfo::always_cold());
a61af66fc99e Initial load duke parents: diff changeset	495 }
a61af66fc99e Initial load duke parents: diff changeset	496 }
a61af66fc99e Initial load duke parents: diff changeset	497
a61af66fc99e Initial load duke parents: diff changeset	498 if (!wci.is_cold()) {
a61af66fc99e Initial load duke parents: diff changeset	499 // In -UseOldInlining, the failure_msg may also be a success message.
a61af66fc99e Initial load duke parents: diff changeset	500 if (failure_msg == NULL) failure_msg = "inline (hot)";
a61af66fc99e Initial load duke parents: diff changeset	501
a61af66fc99e Initial load duke parents: diff changeset	502 // Inline!
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	503 if (PrintInlining) print_inlining(callee_method, caller_bci, failure_msg);
0 a61af66fc99e Initial load duke parents: diff changeset	504 if (UseOldInlining)
a61af66fc99e Initial load duke parents: diff changeset	505 build_inline_tree_for_callee(callee_method, jvms, caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	506 if (InlineWarmCalls && !wci.is_hot())
a61af66fc99e Initial load duke parents: diff changeset	507 return new (C) WarmCallInfo(wci); // copy to heap
a61af66fc99e Initial load duke parents: diff changeset	508 return WarmCallInfo::always_hot();
a61af66fc99e Initial load duke parents: diff changeset	509 }
a61af66fc99e Initial load duke parents: diff changeset	510
a61af66fc99e Initial load duke parents: diff changeset	511 // Do not inline
a61af66fc99e Initial load duke parents: diff changeset	512 if (failure_msg == NULL) failure_msg = "too cold to inline";
3900 a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters twisti parents: 3897 diff changeset	513 if (PrintInlining) print_inlining(callee_method, caller_bci, failure_msg);
0 a61af66fc99e Initial load duke parents: diff changeset	514 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	515 }
a61af66fc99e Initial load duke parents: diff changeset	516
a61af66fc99e Initial load duke parents: diff changeset	517 //------------------------------compute_callee_frequency-----------------------
a61af66fc99e Initial load duke parents: diff changeset	518 float InlineTree::compute_callee_frequency( int caller_bci ) const {
a61af66fc99e Initial load duke parents: diff changeset	519 int count = method()->interpreter_call_site_count(caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	520 int invcnt = method()->interpreter_invocation_count();
a61af66fc99e Initial load duke parents: diff changeset	521 float freq = (float)count/(float)invcnt;
a61af66fc99e Initial load duke parents: diff changeset	522 // Call-site count / interpreter invocation count, scaled recursively.
a61af66fc99e Initial load duke parents: diff changeset	523 // Always between 0.0 and 1.0. Represents the percentage of the method's
a61af66fc99e Initial load duke parents: diff changeset	524 // total execution time used at this call site.
a61af66fc99e Initial load duke parents: diff changeset	525
a61af66fc99e Initial load duke parents: diff changeset	526 return freq;
a61af66fc99e Initial load duke parents: diff changeset	527 }
a61af66fc99e Initial load duke parents: diff changeset	528
a61af66fc99e Initial load duke parents: diff changeset	529 //------------------------------build_inline_tree_for_callee-------------------
a61af66fc99e Initial load duke parents: diff changeset	530 InlineTree InlineTree::build_inline_tree_for_callee( ciMethod callee_method, JVMState* caller_jvms, int caller_bci) {
a61af66fc99e Initial load duke parents: diff changeset	531 float recur_frequency = _site_invoke_ratio * compute_callee_frequency(caller_bci);
a61af66fc99e Initial load duke parents: diff changeset	532 // Attempt inlining.
a61af66fc99e Initial load duke parents: diff changeset	533 InlineTree* old_ilt = callee_at(caller_bci, callee_method);
a61af66fc99e Initial load duke parents: diff changeset	534 if (old_ilt != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	535 return old_ilt;
a61af66fc99e Initial load duke parents: diff changeset	536 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	537 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	538 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	539 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	540 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	541 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	542 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	543 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	544 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	545 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	546 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	547 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	548 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	549 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	550 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	551 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	552 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	553 }
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM jrose parents: 1138 diff changeset	554 }
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	555 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	556 _subtrees.append(ilt);
0 a61af66fc99e Initial load duke parents: diff changeset	557
a61af66fc99e Initial load duke parents: diff changeset	558 NOT_PRODUCT( _count_inlines += 1; )
a61af66fc99e Initial load duke parents: diff changeset	559
a61af66fc99e Initial load duke parents: diff changeset	560 return ilt;
a61af66fc99e Initial load duke parents: diff changeset	561 }
a61af66fc99e Initial load duke parents: diff changeset	562
a61af66fc99e Initial load duke parents: diff changeset	563
a61af66fc99e Initial load duke parents: diff changeset	564 //---------------------------------------callee_at-----------------------------
a61af66fc99e Initial load duke parents: diff changeset	565 InlineTree InlineTree::callee_at(int bci, ciMethod callee) const {
a61af66fc99e Initial load duke parents: diff changeset	566 for (int i = 0; i < _subtrees.length(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	567 InlineTree* sub = _subtrees.at(i);
a61af66fc99e Initial load duke parents: diff changeset	568 if (sub->caller_bci() == bci && callee == sub->method()) {
a61af66fc99e Initial load duke parents: diff changeset	569 return sub;
a61af66fc99e Initial load duke parents: diff changeset	570 }
a61af66fc99e Initial load duke parents: diff changeset	571 }
a61af66fc99e Initial load duke parents: diff changeset	572 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	573 }
a61af66fc99e Initial load duke parents: diff changeset	574
a61af66fc99e Initial load duke parents: diff changeset	575
a61af66fc99e Initial load duke parents: diff changeset	576 //------------------------------build_inline_tree_root-------------------------
a61af66fc99e Initial load duke parents: diff changeset	577 InlineTree *InlineTree::build_inline_tree_root() {
a61af66fc99e Initial load duke parents: diff changeset	578 Compile* C = Compile::current();
a61af66fc99e Initial load duke parents: diff changeset	579
a61af66fc99e Initial load duke parents: diff changeset	580 // Root of inline tree
3784 aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb never parents: 3366 diff changeset	581 InlineTree* ilt = new InlineTree(C, NULL, C->method(), NULL, -1, 1.0F, MaxInlineLevel);
0 a61af66fc99e Initial load duke parents: diff changeset	582
a61af66fc99e Initial load duke parents: diff changeset	583 return ilt;
a61af66fc99e Initial load duke parents: diff changeset	584 }
a61af66fc99e Initial load duke parents: diff changeset	585
a61af66fc99e Initial load duke parents: diff changeset	586
a61af66fc99e Initial load duke parents: diff changeset	587 //-------------------------find_subtree_from_root-----------------------------
a61af66fc99e Initial load duke parents: diff changeset	588 // Given a jvms, which determines a call chain from the root method,
a61af66fc99e Initial load duke parents: diff changeset	589 // find the corresponding inline tree.
a61af66fc99e Initial load duke parents: diff changeset	590 // 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	591 InlineTree* InlineTree::find_subtree_from_root(InlineTree* root, JVMState* jvms, ciMethod* callee) {
0 a61af66fc99e Initial load duke parents: diff changeset	592 InlineTree* iltp = root;
a61af66fc99e Initial load duke parents: diff changeset	593 uint depth = jvms && jvms->has_method() ? jvms->depth() : 0;
a61af66fc99e Initial load duke parents: diff changeset	594 for (uint d = 1; d <= depth; d++) {
a61af66fc99e Initial load duke parents: diff changeset	595 JVMState* jvmsp = jvms->of_depth(d);
a61af66fc99e Initial load duke parents: diff changeset	596 // Select the corresponding subtree for this bci.
a61af66fc99e Initial load duke parents: diff changeset	597 assert(jvmsp->method() == iltp->method(), "tree still in sync");
a61af66fc99e Initial load duke parents: diff changeset	598 ciMethod* d_callee = (d == depth) ? callee : jvms->of_depth(d+1)->method();
a61af66fc99e Initial load duke parents: diff changeset	599 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	600 if (sub == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	601 if (d == depth) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	602 sub = iltp->build_inline_tree_for_callee(d_callee, jvmsp, jvmsp->bci());
0 a61af66fc99e Initial load duke parents: diff changeset	603 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5950 diff changeset	604 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	605 return sub;
0 a61af66fc99e Initial load duke parents: diff changeset	606 }
a61af66fc99e Initial load duke parents: diff changeset	607 iltp = sub;
a61af66fc99e Initial load duke parents: diff changeset	608 }
a61af66fc99e Initial load duke parents: diff changeset	609 return iltp;
a61af66fc99e Initial load duke parents: diff changeset	610 }
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	611
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	612
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	613
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	614 #ifndef PRODUCT
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	615 void InlineTree::print_impl(outputStream* st, int indent) const {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	616 for (int i = 0; i < indent; i++) st->print(" ");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	617 st->print(" @ %d ", caller_bci());
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	618 method()->print_short_name(st);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	619 st->cr();
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	620
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	621 for (int i = 0 ; i < _subtrees.length(); i++) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	622 _subtrees.at(i)->print_impl(st, indent + 2);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	623 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	624 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	625
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	626 void InlineTree::print_value_on(outputStream* st) const {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	627 print_impl(st, 2);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	628 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: 3905 diff changeset	629 #endif

Mercurial > hg > truffle

annotate src/share/vm/opto/bytecodeInfo.cpp @ 7473:d092d1b31229