Mercurial > hg > truffle

annotate src/share/vm/opto/bytecodeInfo.cpp @ 7421:ad5dd04754ee

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8005031: Some cleanup in c2 to prepare for incremental inlining support Summary: collection of small changes to prepare for incremental inlining. Reviewed-by: twisti, kvn
author roland
date Tue, 18 Dec 2012 14:55:25 +0100
parents bd7a7ce2e264
children d092d1b31229
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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),
3897
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3784
diff changeset
49 _count_inline_bcs(method()->code_size_for_inlining())
1157
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 1138
diff changeset
50 {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
51 NOT_PRODUCT(_count_inlines = 0;)
a61af66fc99e Initial load
duke
parents:
diff changeset
52 if (_caller_jvms != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
53 // Keep a private copy of the caller_jvms:
a61af66fc99e Initial load
duke
parents:
diff changeset
54 _caller_jvms = new (C) JVMState(caller_jvms->method(), caller_tree->caller_jvms());
a61af66fc99e Initial load
duke
parents:
diff changeset
55 _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
56 assert(!caller_jvms->should_reexecute(), "there should be no reexecute bytecode with inlining");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
57 }
a61af66fc99e Initial load
duke
parents:
diff changeset
58 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
59 assert((caller_tree == NULL ? 0 : caller_tree->stack_depth() + 1) == stack_depth(), "correct (redundant) depth parameter");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
60 assert(caller_bci == this->caller_bci(), "correct (redundant) bci parameter");
a61af66fc99e Initial load
duke
parents:
diff changeset
61 if (UseOldInlining) {
a61af66fc99e Initial load
duke
parents:
diff changeset
62 // Update hierarchical counts, count_inline_bcs() and count_inlines()
a61af66fc99e Initial load
duke
parents:
diff changeset
63 InlineTree *caller = (InlineTree *)caller_tree;
a61af66fc99e Initial load
duke
parents:
diff changeset
64 for( ; caller != NULL; caller = ((InlineTree *)(caller->caller_tree())) ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
65 caller->_count_inline_bcs += count_inline_bcs();
a61af66fc99e Initial load
duke
parents:
diff changeset
66 NOT_PRODUCT(caller->_count_inlines++;)
a61af66fc99e Initial load
duke
parents:
diff changeset
67 }
a61af66fc99e Initial load
duke
parents:
diff changeset
68 }
a61af66fc99e Initial load
duke
parents:
diff changeset
69 }
a61af66fc99e Initial load
duke
parents:
diff changeset
70
1157
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 1138
diff changeset
71 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
72 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
73 C(c),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
74 _caller_jvms(caller_jvms),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
75 _caller_tree(NULL),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
76 _method(callee_method),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
77 _site_invoke_ratio(site_invoke_ratio),
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
78 _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
79 _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
80 {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
81 NOT_PRODUCT(_count_inlines = 0;)
a61af66fc99e Initial load
duke
parents:
diff changeset
82 assert(!UseOldInlining, "do not use for old stuff");
a61af66fc99e Initial load
duke
parents:
diff changeset
83 }
a61af66fc99e Initial load
duke
parents:
diff changeset
84
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
85 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
86 ciMethod* caller_method, Compile* C) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
87 // 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
88 // a super constructor is called from an inlined java constructor.
244
524eca34ea76 6684714: Optimize EA Connection Graph build performance
kvn
parents: 41
diff changeset
89 return C->do_escape_analysis() && EliminateAllocations &&
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
90 ( callee_method->is_initializer() ||
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
91 (caller_method->is_initializer() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
92 caller_method != C->method() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
93 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
94 );
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
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
97 // 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
98 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
99 // Allows targeted inlining
a61af66fc99e Initial load
duke
parents:
diff changeset
100 if(callee_method->should_inline()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
101 *wci_result = *(WarmCallInfo::always_hot());
a61af66fc99e Initial load
duke
parents:
diff changeset
102 if (PrintInlining && Verbose) {
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
103 CompileTask::print_inline_indent(inline_level());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
104 tty->print_cr("Inlined method is hot: ");
a61af66fc99e Initial load
duke
parents:
diff changeset
105 }
a61af66fc99e Initial load
duke
parents:
diff changeset
106 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
107 }
a61af66fc99e Initial load
duke
parents:
diff changeset
108
a61af66fc99e Initial load
duke
parents:
diff changeset
109 // positive filter: should send be inlined? returns NULL (--> yes)
a61af66fc99e Initial load
duke
parents:
diff changeset
110 // or rejection msg
3897
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3784
diff changeset
111 int size = callee_method->code_size_for_inlining();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
112
a61af66fc99e Initial load
duke
parents:
diff changeset
113 // 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
114 if(callee_method->interpreter_throwout_count() > InlineThrowCount &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
115 size < InlineThrowMaxSize ) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
116 wci_result->set_profit(wci_result->profit() * 100);
a61af66fc99e Initial load
duke
parents:
diff changeset
117 if (PrintInlining && Verbose) {
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
118 CompileTask::print_inline_indent(inline_level());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
119 tty->print_cr("Inlined method with many throws (throws=%d):", callee_method->interpreter_throwout_count());
a61af66fc99e Initial load
duke
parents:
diff changeset
120 }
a61af66fc99e Initial load
duke
parents:
diff changeset
121 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
122 }
a61af66fc99e Initial load
duke
parents:
diff changeset
123
a61af66fc99e Initial load
duke
parents:
diff changeset
124 if (!UseOldInlining) {
a61af66fc99e Initial load
duke
parents:
diff changeset
125 return NULL; // size and frequency are represented in a new way
a61af66fc99e Initial load
duke
parents:
diff changeset
126 }
a61af66fc99e Initial load
duke
parents:
diff changeset
127
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3345
diff changeset
128 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
129 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
130 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
131
0
a61af66fc99e Initial load
duke
parents:
diff changeset
132 int call_site_count = method()->scale_count(profile.count());
a61af66fc99e Initial load
duke
parents:
diff changeset
133 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
134
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3345
diff changeset
135 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
136 int freq = call_site_count / invoke_count;
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
137
0
a61af66fc99e Initial load
duke
parents:
diff changeset
138 // 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
139 if ((freq >= InlineFrequencyRatio) ||
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
140 (call_site_count >= InlineFrequencyCount) ||
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
141 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
142
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3345
diff changeset
143 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
144 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
145 CompileTask::print_inline_indent(inline_level());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
146 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
147 CompileTask::print_inline_indent(inline_level());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
148 callee_method->print();
a61af66fc99e Initial load
duke
parents:
diff changeset
149 tty->cr();
a61af66fc99e Initial load
duke
parents:
diff changeset
150 }
a61af66fc99e Initial load
duke
parents:
diff changeset
151 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
152 // 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
153 if (callee_method->has_compiled_code() &&
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
154 callee_method->instructions_size() > inline_small_code_size)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
155 return "already compiled into a medium method";
a61af66fc99e Initial load
duke
parents:
diff changeset
156 }
3366
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3345
diff changeset
157 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
158 if (max_inline_size > default_max_inline_size)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
159 return "hot method too big";
a61af66fc99e Initial load
duke
parents:
diff changeset
160 return "too big";
a61af66fc99e Initial load
duke
parents:
diff changeset
161 }
a61af66fc99e Initial load
duke
parents:
diff changeset
162 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
163 }
a61af66fc99e Initial load
duke
parents:
diff changeset
164
a61af66fc99e Initial load
duke
parents:
diff changeset
165
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
166 // 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
167 const char* InlineTree::should_not_inline(ciMethod *callee_method, ciMethod* caller_method, WarmCallInfo* wci_result) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
168 // negative filter: should send NOT be inlined? returns NULL (--> inline) or rejection msg
a61af66fc99e Initial load
duke
parents:
diff changeset
169 if (!UseOldInlining) {
a61af66fc99e Initial load
duke
parents:
diff changeset
170 const char* fail = NULL;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
171 if ( callee_method->is_abstract()) fail = "abstract method";
0
a61af66fc99e Initial load
duke
parents:
diff changeset
172 // 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
173 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
174 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
175 if ( callee_method->dont_inline()) fail = "don't inline by annotation";
0
a61af66fc99e Initial load
duke
parents:
diff changeset
176
a61af66fc99e Initial load
duke
parents:
diff changeset
177 if (fail) {
a61af66fc99e Initial load
duke
parents:
diff changeset
178 *wci_result = *(WarmCallInfo::always_cold());
a61af66fc99e Initial load
duke
parents:
diff changeset
179 return fail;
a61af66fc99e Initial load
duke
parents:
diff changeset
180 }
a61af66fc99e Initial load
duke
parents:
diff changeset
181
a61af66fc99e Initial load
duke
parents:
diff changeset
182 if (callee_method->has_unloaded_classes_in_signature()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
183 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load
duke
parents:
diff changeset
184 }
a61af66fc99e Initial load
duke
parents:
diff changeset
185
a61af66fc99e Initial load
duke
parents:
diff changeset
186 // don't inline exception code unless the top method belongs to an
a61af66fc99e Initial load
duke
parents:
diff changeset
187 // exception class
a61af66fc99e Initial load
duke
parents:
diff changeset
188 if (callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
189 ciMethod* top_method = caller_jvms() ? caller_jvms()->of_depth(1)->method() : method();
a61af66fc99e Initial load
duke
parents:
diff changeset
190 if (!top_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
191 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load
duke
parents:
diff changeset
192 }
a61af66fc99e Initial load
duke
parents:
diff changeset
193 }
a61af66fc99e Initial load
duke
parents:
diff changeset
194
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
195 if (callee_method->has_compiled_code() &&
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
196 callee_method->instructions_size() > InlineSmallCode) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
197 wci_result->set_profit(wci_result->profit() * 0.1);
a61af66fc99e Initial load
duke
parents:
diff changeset
198 // %%% adjust wci_result->size()?
a61af66fc99e Initial load
duke
parents:
diff changeset
199 }
a61af66fc99e Initial load
duke
parents:
diff changeset
200
a61af66fc99e Initial load
duke
parents:
diff changeset
201 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
202 }
a61af66fc99e Initial load
duke
parents:
diff changeset
203
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
204 // 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
205 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
206 // 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
207 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
208 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
209 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
210 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
211
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
212 if (callee_method->force_inline() || callee_method->should_inline()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
213 // ignore heuristic controls on inlining
a61af66fc99e Initial load
duke
parents:
diff changeset
214 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
215 }
a61af66fc99e Initial load
duke
parents:
diff changeset
216
a61af66fc99e Initial load
duke
parents:
diff changeset
217 // Now perform checks which are heuristic
a61af66fc99e Initial load
duke
parents:
diff changeset
218
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
219 if (callee_method->has_compiled_code() &&
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
220 callee_method->instructions_size() > InlineSmallCode) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
221 return "already compiled into a big method";
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
222 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
223
a61af66fc99e Initial load
duke
parents:
diff changeset
224 // don't inline exception code unless the top method belongs to an
a61af66fc99e Initial load
duke
parents:
diff changeset
225 // exception class
a61af66fc99e Initial load
duke
parents:
diff changeset
226 if (caller_tree() != NULL &&
a61af66fc99e Initial load
duke
parents:
diff changeset
227 callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
228 const InlineTree *top = this;
a61af66fc99e Initial load
duke
parents:
diff changeset
229 while (top->caller_tree() != NULL) top = top->caller_tree();
a61af66fc99e Initial load
duke
parents:
diff changeset
230 ciInstanceKlass* k = top->method()->holder();
a61af66fc99e Initial load
duke
parents:
diff changeset
231 if (!k->is_subclass_of(C->env()->Throwable_klass()))
a61af66fc99e Initial load
duke
parents:
diff changeset
232 return "exception method";
a61af66fc99e Initial load
duke
parents:
diff changeset
233 }
a61af66fc99e Initial load
duke
parents:
diff changeset
234
5950
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
235 if (callee_method->should_not_inline()) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
236 return "disallowed by CompilerOracle";
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
237 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
238
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
239 #ifndef PRODUCT
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
240 if (ciReplay::should_not_inline(callee_method)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
241 return "disallowed by ciReplay";
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
242 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
243 #endif
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6853
diff changeset
244
5950
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
245 if (UseStringCache) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
246 // 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
247 if (callee_method->name() == ciSymbol::profile_name() &&
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
248 callee_method->holder()->name() == ciSymbol::java_lang_StringCache()) {
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
249 return "profiling method";
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
250 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
251 }
0f4014d7731b 7152961: InlineTree::should_not_inline may exit prematurely
never
parents: 3939
diff changeset
252
0
a61af66fc99e Initial load
duke
parents:
diff changeset
253 // 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
254 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
255
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
256 // don't use counts with -Xcomp or CTW
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
257 if (UseInterpreter && !CompileTheWorld) {
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 if (!callee_method->has_compiled_code() &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
260 !callee_method->was_executed_more_than(0)) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
261 return "never executed";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
262 }
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
263
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
264 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
265
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
266 // Escape Analysis: inline all executed constructors
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
267
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
268 } 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
269 CompileThreshold >> 1))) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
270 return "executed < MinInliningThreshold times";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
271 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
272 }
a61af66fc99e Initial load
duke
parents:
diff changeset
273
a61af66fc99e Initial load
duke
parents:
diff changeset
274 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
275 }
a61af66fc99e Initial load
duke
parents:
diff changeset
276
a61af66fc99e Initial load
duke
parents:
diff changeset
277 //-----------------------------try_to_inline-----------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
278 // return NULL if ok, reason for not inlining otherwise
a61af66fc99e Initial load
duke
parents:
diff changeset
279 // Relocated from "InliningClosure::try_to_inline"
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
280 const char* InlineTree::try_to_inline(ciMethod* callee_method, ciMethod* caller_method, int caller_bci, ciCallProfile& profile, WarmCallInfo* wci_result) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
281
a61af66fc99e Initial load
duke
parents:
diff changeset
282 // Old algorithm had funny accumulating BC-size counters
a61af66fc99e Initial load
duke
parents:
diff changeset
283 if (UseOldInlining && ClipInlining
a61af66fc99e Initial load
duke
parents:
diff changeset
284 && (int)count_inline_bcs() >= DesiredMethodLimit) {
a61af66fc99e Initial load
duke
parents:
diff changeset
285 return "size > DesiredMethodLimit";
a61af66fc99e Initial load
duke
parents:
diff changeset
286 }
a61af66fc99e Initial load
duke
parents:
diff changeset
287
a61af66fc99e Initial load
duke
parents:
diff changeset
288 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
289 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
290 if (msg != NULL)
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
291 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
292
e2a92dd0d3d2 7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents: 3345
diff changeset
293 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
294 if (msg != NULL)
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
295 return msg;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
296
1157
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 1138
diff changeset
297 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
298 // 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
299 return NULL;
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 1138
diff changeset
300 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
301
a61af66fc99e Initial load
duke
parents:
diff changeset
302 // 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
303 if (callee_method->code_size() > MaxTrivialSize) {
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
304
0
a61af66fc99e Initial load
duke
parents:
diff changeset
305 // don't inline into giant methods
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
306 if (C->unique() > (uint)NodeCountInliningCutoff) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
307 return "NodeCountInliningCutoff";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
308 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
309
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
310 if ((!UseInterpreter || CompileTheWorld) &&
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
311 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
312
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
313 // 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
314 // inline constructors even if they are not reached.
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
315
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
316 } else if (profile.count() == 0) {
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
317 // don't inline unreached call sites
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
318 return "call site not reached";
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 }
a61af66fc99e Initial load
duke
parents:
diff changeset
321
1157
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 1138
diff changeset
322 if (!C->do_inlining() && InlineAccessors) {
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
323 return "not an accessor";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
324 }
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
325 if (inline_level() > _max_inline_level) {
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
326 return "inlining too deep";
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
327 }
2405
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
328
3334
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents: 2405
diff changeset
329 // 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
330 if (!callee_method->is_compiled_lambda_form()) {
3334
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents: 2405
diff changeset
331 // count the current method and the callee
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents: 2405
diff changeset
332 int inline_level = (method() == callee_method) ? 1 : 0;
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents: 2405
diff changeset
333 if (inline_level > MaxRecursiveInlineLevel)
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents: 2405
diff changeset
334 return "recursively inlining too deep";
b21ecca7ccc4 6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents: 2405
diff changeset
335 // count callers of current method and callee
2405
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
336 JVMState* jvms = caller_jvms();
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
337 while (jvms != NULL && jvms->has_method()) {
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
338 if (jvms->method() == callee_method) {
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
339 inline_level++;
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
340 if (inline_level > MaxRecursiveInlineLevel)
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
341 return "recursively inlining too deep";
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
342 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
343 jvms = jvms->caller();
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
344 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
345 }
3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents: 2357
diff changeset
346
3897
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3784
diff changeset
347 int size = callee_method->code_size_for_inlining();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
348
a61af66fc99e Initial load
duke
parents:
diff changeset
349 if (UseOldInlining && ClipInlining
a61af66fc99e Initial load
duke
parents:
diff changeset
350 && (int)count_inline_bcs() + size >= DesiredMethodLimit) {
a61af66fc99e Initial load
duke
parents:
diff changeset
351 return "size > DesiredMethodLimit";
a61af66fc99e Initial load
duke
parents:
diff changeset
352 }
a61af66fc99e Initial load
duke
parents:
diff changeset
353
a61af66fc99e Initial load
duke
parents:
diff changeset
354 // ok, inline this method
a61af66fc99e Initial load
duke
parents:
diff changeset
355 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
356 }
a61af66fc99e Initial load
duke
parents:
diff changeset
357
a61af66fc99e Initial load
duke
parents:
diff changeset
358 //------------------------------pass_initial_checks----------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
359 bool pass_initial_checks(ciMethod* caller_method, int caller_bci, ciMethod* callee_method) {
a61af66fc99e Initial load
duke
parents:
diff changeset
360 ciInstanceKlass *callee_holder = callee_method ? callee_method->holder() : NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
361 // Check if a callee_method was suggested
a61af66fc99e Initial load
duke
parents:
diff changeset
362 if( callee_method == NULL ) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
363 // Check if klass of callee_method is loaded
a61af66fc99e Initial load
duke
parents:
diff changeset
364 if( !callee_holder->is_loaded() ) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
365 if( !callee_holder->is_initialized() ) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
366 if( !UseInterpreter || CompileTheWorld /* running Xcomp or CTW */ ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
367 // Checks that constant pool's call site has been visited
a61af66fc99e Initial load
duke
parents:
diff changeset
368 // stricter than callee_holder->is_initialized()
a61af66fc99e Initial load
duke
parents:
diff changeset
369 ciBytecodeStream iter(caller_method);
a61af66fc99e Initial load
duke
parents:
diff changeset
370 iter.force_bci(caller_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
371 Bytecodes::Code call_bc = iter.cur_bc();
1137
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
372 // An invokedynamic instruction does not have a klass.
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
373 if (call_bc != Bytecodes::_invokedynamic) {
1565
ab102d5d923e 6939207: refactor constant pool index processing
jrose
parents: 1564
diff changeset
374 int index = iter.get_index_u2_cpcache();
1137
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
375 if (!caller_method->is_klass_loaded(index, true)) {
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
376 return false;
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
377 }
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
378 // Try to do constant pool resolution if running Xcomp
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
379 if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) {
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
380 return false;
97125851f396 6829187: compiler optimizations required for JSR 292
twisti
parents: 903
diff changeset
381 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
382 }
a61af66fc99e Initial load
duke
parents:
diff changeset
383 }
a61af66fc99e Initial load
duke
parents:
diff changeset
384 // We will attempt to see if a class/field/etc got properly loaded. If it
a61af66fc99e Initial load
duke
parents:
diff changeset
385 // did not, it may attempt to throw an exception during our probing. Catch
a61af66fc99e Initial load
duke
parents:
diff changeset
386 // and ignore such exceptions and do not attempt to compile the method.
a61af66fc99e Initial load
duke
parents:
diff changeset
387 if( callee_method->should_exclude() ) return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
388
a61af66fc99e Initial load
duke
parents:
diff changeset
389 return true;
a61af66fc99e Initial load
duke
parents:
diff changeset
390 }
a61af66fc99e Initial load
duke
parents:
diff changeset
391
3900
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
392 //------------------------------check_can_parse--------------------------------
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
393 const char* InlineTree::check_can_parse(ciMethod* callee) {
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
394 // Certain methods cannot be parsed at all:
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
395 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
396 if ( callee->is_abstract()) return "abstract method";
3900
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
397 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
398 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
399 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
400 return NULL;
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
401 }
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
402
0
a61af66fc99e Initial load
duke
parents:
diff changeset
403 //------------------------------print_inlining---------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
404 // 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
405 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
406 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
407 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
408 if (Verbose && callee_method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
409 const InlineTree *top = this;
a61af66fc99e Initial load
duke
parents:
diff changeset
410 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
411 //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
412 }
a61af66fc99e Initial load
duke
parents:
diff changeset
413 }
a61af66fc99e Initial load
duke
parents:
diff changeset
414
a61af66fc99e Initial load
duke
parents:
diff changeset
415 //------------------------------ok_to_inline-----------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
416 WarmCallInfo* InlineTree::ok_to_inline(ciMethod* callee_method, JVMState* jvms, ciCallProfile& profile, WarmCallInfo* initial_wci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
417 assert(callee_method != NULL, "caller checks for optimized virtual!");
a61af66fc99e Initial load
duke
parents:
diff changeset
418 #ifdef ASSERT
a61af66fc99e Initial load
duke
parents:
diff changeset
419 // Make sure the incoming jvms has the same information content as me.
a61af66fc99e Initial load
duke
parents:
diff changeset
420 // This means that we can eventually make this whole class AllStatic.
a61af66fc99e Initial load
duke
parents:
diff changeset
421 if (jvms->caller() == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
422 assert(_caller_jvms == NULL, "redundant instance state");
a61af66fc99e Initial load
duke
parents:
diff changeset
423 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
424 assert(_caller_jvms->same_calls_as(jvms->caller()), "redundant instance state");
a61af66fc99e Initial load
duke
parents:
diff changeset
425 }
a61af66fc99e Initial load
duke
parents:
diff changeset
426 assert(_method == jvms->method(), "redundant instance state");
a61af66fc99e Initial load
duke
parents:
diff changeset
427 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
428 const char *failure_msg = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
429 int caller_bci = jvms->bci();
a61af66fc99e Initial load
duke
parents:
diff changeset
430 ciMethod *caller_method = jvms->method();
a61af66fc99e Initial load
duke
parents:
diff changeset
431
3900
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
432 // Do some initial checks.
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
433 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
434 if (PrintInlining) print_inlining(callee_method, caller_bci, "failed initial checks");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
435 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
436 }
a61af66fc99e Initial load
duke
parents:
diff changeset
437
3900
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
438 // Do some parse checks.
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
439 failure_msg = check_can_parse(callee_method);
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
440 if (failure_msg != NULL) {
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
441 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
442 return NULL;
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
443 }
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
444
0
a61af66fc99e Initial load
duke
parents:
diff changeset
445 // Check if inlining policy says no.
a61af66fc99e Initial load
duke
parents:
diff changeset
446 WarmCallInfo wci = *(initial_wci);
41
874b2c4f43d1 6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents: 0
diff changeset
447 failure_msg = try_to_inline(callee_method, caller_method, caller_bci, profile, &wci);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
448 if (failure_msg != NULL && C->log() != NULL) {
6843
c3e799c37717 7177003: C1: LogCompilation support
vlivanov
parents: 6266
diff changeset
449 C->log()->inline_fail(failure_msg);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
450 }
a61af66fc99e Initial load
duke
parents:
diff changeset
451
a61af66fc99e Initial load
duke
parents:
diff changeset
452 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
453 if (UseOldInlining && InlineWarmCalls
a61af66fc99e Initial load
duke
parents:
diff changeset
454 && (PrintOpto || PrintOptoInlining || PrintInlining)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
455 bool cold = wci.is_cold();
a61af66fc99e Initial load
duke
parents:
diff changeset
456 bool hot = !cold && wci.is_hot();
a61af66fc99e Initial load
duke
parents:
diff changeset
457 bool old_cold = (failure_msg != NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
458 if (old_cold != cold || (Verbose || WizardMode)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
459 tty->print(" OldInlining= %4s : %s\n WCI=",
a61af66fc99e Initial load
duke
parents:
diff changeset
460 old_cold ? "cold" : "hot", failure_msg ? failure_msg : "OK");
a61af66fc99e Initial load
duke
parents:
diff changeset
461 wci.print();
a61af66fc99e Initial load
duke
parents:
diff changeset
462 }
a61af66fc99e Initial load
duke
parents:
diff changeset
463 }
a61af66fc99e Initial load
duke
parents:
diff changeset
464 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
465 if (UseOldInlining) {
a61af66fc99e Initial load
duke
parents:
diff changeset
466 if (failure_msg == NULL)
a61af66fc99e Initial load
duke
parents:
diff changeset
467 wci = *(WarmCallInfo::always_hot());
a61af66fc99e Initial load
duke
parents:
diff changeset
468 else
a61af66fc99e Initial load
duke
parents:
diff changeset
469 wci = *(WarmCallInfo::always_cold());
a61af66fc99e Initial load
duke
parents:
diff changeset
470 }
a61af66fc99e Initial load
duke
parents:
diff changeset
471 if (!InlineWarmCalls) {
a61af66fc99e Initial load
duke
parents:
diff changeset
472 if (!wci.is_cold() && !wci.is_hot()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
473 // Do not inline the warm calls.
a61af66fc99e Initial load
duke
parents:
diff changeset
474 wci = *(WarmCallInfo::always_cold());
a61af66fc99e Initial load
duke
parents:
diff changeset
475 }
a61af66fc99e Initial load
duke
parents:
diff changeset
476 }
a61af66fc99e Initial load
duke
parents:
diff changeset
477
a61af66fc99e Initial load
duke
parents:
diff changeset
478 if (!wci.is_cold()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
479 // In -UseOldInlining, the failure_msg may also be a success message.
a61af66fc99e Initial load
duke
parents:
diff changeset
480 if (failure_msg == NULL) failure_msg = "inline (hot)";
a61af66fc99e Initial load
duke
parents:
diff changeset
481
a61af66fc99e Initial load
duke
parents:
diff changeset
482 // Inline!
3900
a32de5085326 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 3897
diff changeset
483 if (PrintInlining) print_inlining(callee_method, caller_bci, failure_msg);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
484 if (UseOldInlining)
a61af66fc99e Initial load
duke
parents:
diff changeset
485 build_inline_tree_for_callee(callee_method, jvms, caller_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
486 if (InlineWarmCalls && !wci.is_hot())
a61af66fc99e Initial load
duke
parents:
diff changeset
487 return new (C) WarmCallInfo(wci); // copy to heap
a61af66fc99e Initial load
duke
parents:
diff changeset
488 return WarmCallInfo::always_hot();
a61af66fc99e Initial load
duke
parents:
diff changeset
489 }
a61af66fc99e Initial load
duke
parents:
diff changeset
490
a61af66fc99e Initial load
duke
parents:
diff changeset
491 // Do not inline
a61af66fc99e Initial load
duke
parents:
diff changeset
492 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
493 if (PrintInlining) print_inlining(callee_method, caller_bci, failure_msg);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
494 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
495 }
a61af66fc99e Initial load
duke
parents:
diff changeset
496
a61af66fc99e Initial load
duke
parents:
diff changeset
497 //------------------------------compute_callee_frequency-----------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
498 float InlineTree::compute_callee_frequency( int caller_bci ) const {
a61af66fc99e Initial load
duke
parents:
diff changeset
499 int count = method()->interpreter_call_site_count(caller_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
500 int invcnt = method()->interpreter_invocation_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
501 float freq = (float)count/(float)invcnt;
a61af66fc99e Initial load
duke
parents:
diff changeset
502 // Call-site count / interpreter invocation count, scaled recursively.
a61af66fc99e Initial load
duke
parents:
diff changeset
503 // Always between 0.0 and 1.0. Represents the percentage of the method's
a61af66fc99e Initial load
duke
parents:
diff changeset
504 // total execution time used at this call site.
a61af66fc99e Initial load
duke
parents:
diff changeset
505
a61af66fc99e Initial load
duke
parents:
diff changeset
506 return freq;
a61af66fc99e Initial load
duke
parents:
diff changeset
507 }
a61af66fc99e Initial load
duke
parents:
diff changeset
508
a61af66fc99e Initial load
duke
parents:
diff changeset
509 //------------------------------build_inline_tree_for_callee-------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
510 InlineTree *InlineTree::build_inline_tree_for_callee( ciMethod* callee_method, JVMState* caller_jvms, int caller_bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
511 float recur_frequency = _site_invoke_ratio * compute_callee_frequency(caller_bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
512 // Attempt inlining.
a61af66fc99e Initial load
duke
parents:
diff changeset
513 InlineTree* old_ilt = callee_at(caller_bci, callee_method);
a61af66fc99e Initial load
duke
parents:
diff changeset
514 if (old_ilt != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
515 return old_ilt;
a61af66fc99e Initial load
duke
parents:
diff changeset
516 }
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
517 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
518 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
519 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
520 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
521 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
522 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
523 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
524 }
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
525 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
526 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
527 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
528 }
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
529 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
530 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
531 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
532 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
533 }
c3b315a0d58a 6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents: 1138
diff changeset
534 }
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
535 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
536 _subtrees.append(ilt);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
537
a61af66fc99e Initial load
duke
parents:
diff changeset
538 NOT_PRODUCT( _count_inlines += 1; )
a61af66fc99e Initial load
duke
parents:
diff changeset
539
a61af66fc99e Initial load
duke
parents:
diff changeset
540 return ilt;
a61af66fc99e Initial load
duke
parents:
diff changeset
541 }
a61af66fc99e Initial load
duke
parents:
diff changeset
542
a61af66fc99e Initial load
duke
parents:
diff changeset
543
a61af66fc99e Initial load
duke
parents:
diff changeset
544 //---------------------------------------callee_at-----------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
545 InlineTree *InlineTree::callee_at(int bci, ciMethod* callee) const {
a61af66fc99e Initial load
duke
parents:
diff changeset
546 for (int i = 0; i < _subtrees.length(); i++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
547 InlineTree* sub = _subtrees.at(i);
a61af66fc99e Initial load
duke
parents:
diff changeset
548 if (sub->caller_bci() == bci && callee == sub->method()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
549 return sub;
a61af66fc99e Initial load
duke
parents:
diff changeset
550 }
a61af66fc99e Initial load
duke
parents:
diff changeset
551 }
a61af66fc99e Initial load
duke
parents:
diff changeset
552 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
553 }
a61af66fc99e Initial load
duke
parents:
diff changeset
554
a61af66fc99e Initial load
duke
parents:
diff changeset
555
a61af66fc99e Initial load
duke
parents:
diff changeset
556 //------------------------------build_inline_tree_root-------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
557 InlineTree *InlineTree::build_inline_tree_root() {
a61af66fc99e Initial load
duke
parents:
diff changeset
558 Compile* C = Compile::current();
a61af66fc99e Initial load
duke
parents:
diff changeset
559
a61af66fc99e Initial load
duke
parents:
diff changeset
560 // Root of inline tree
3784
aabf25fa3f05 7057587: JSR 292 - crash with jruby in test/test_respond_to.rb
never
parents: 3366
diff changeset
561 InlineTree* ilt = new InlineTree(C, NULL, C->method(), NULL, -1, 1.0F, MaxInlineLevel);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
562
a61af66fc99e Initial load
duke
parents:
diff changeset
563 return ilt;
a61af66fc99e Initial load
duke
parents:
diff changeset
564 }
a61af66fc99e Initial load
duke
parents:
diff changeset
565
a61af66fc99e Initial load
duke
parents:
diff changeset
566
a61af66fc99e Initial load
duke
parents:
diff changeset
567 //-------------------------find_subtree_from_root-----------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
568 // Given a jvms, which determines a call chain from the root method,
a61af66fc99e Initial load
duke
parents:
diff changeset
569 // find the corresponding inline tree.
a61af66fc99e Initial load
duke
parents:
diff changeset
570 // 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
571 InlineTree* InlineTree::find_subtree_from_root(InlineTree* root, JVMState* jvms, ciMethod* callee) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
572 InlineTree* iltp = root;
a61af66fc99e Initial load
duke
parents:
diff changeset
573 uint depth = jvms && jvms->has_method() ? jvms->depth() : 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
574 for (uint d = 1; d <= depth; d++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
575 JVMState* jvmsp = jvms->of_depth(d);
a61af66fc99e Initial load
duke
parents:
diff changeset
576 // Select the corresponding subtree for this bci.
a61af66fc99e Initial load
duke
parents:
diff changeset
577 assert(jvmsp->method() == iltp->method(), "tree still in sync");
a61af66fc99e Initial load
duke
parents:
diff changeset
578 ciMethod* d_callee = (d == depth) ? callee : jvms->of_depth(d+1)->method();
a61af66fc99e Initial load
duke
parents:
diff changeset
579 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
580 if (sub == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
581 if (d == depth) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
582 sub = iltp->build_inline_tree_for_callee(d_callee, jvmsp, jvmsp->bci());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
583 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 5950
diff changeset
584 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
585 return sub;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
586 }
a61af66fc99e Initial load
duke
parents:
diff changeset
587 iltp = sub;
a61af66fc99e Initial load
duke
parents:
diff changeset
588 }
a61af66fc99e Initial load
duke
parents:
diff changeset
589 return iltp;
a61af66fc99e Initial load
duke
parents:
diff changeset
590 }
3939
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
591
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
592
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
593
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
594 #ifndef PRODUCT
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
595 void InlineTree::print_impl(outputStream* st, int indent) const {
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
596 for (int i = 0; i < indent; i++) st->print(" ");
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
597 st->print(" @ %d ", caller_bci());
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
598 method()->print_short_name(st);
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
599 st->cr();
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
600
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
601 for (int i = 0 ; i < _subtrees.length(); i++) {
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
602 _subtrees.at(i)->print_impl(st, indent + 2);
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
603 }
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
604 }
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
605
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
606 void InlineTree::print_value_on(outputStream* st) const {
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
607 print_impl(st, 2);
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
608 }
f6f3bb0ee072 7088955: add C2 IR support to the SA
never
parents: 3905
diff changeset
609 #endif