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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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223 } | 223 } |
224 | 224 |
225 | 225 |
226 // Primitive functions are unlikely to be picked up by the stack-walking | 226 // Primitive functions are unlikely to be picked up by the stack-walking |
227 // profiler, so they trigger their own optimization when they're called | 227 // profiler, so they trigger their own optimization when they're called |
228 // for the SharedFunctionInfo::kCallsUntilPrimitiveOptimization-th time. | 228 // for the SharedFunctionInfo::kCallsUntilPrimitiveOptimization-th time. |
229 bool CompilationInfo::ShouldSelfOptimize() { | 229 bool CompilationInfo::ShouldSelfOptimize() { |
230 return FLAG_self_optimization && | 230 return FLAG_self_optimization && |
231 FLAG_crankshaft && | 231 FLAG_crankshaft && |
232 !function()->flags()->Contains(kDontSelfOptimize) && | 232 !function()->flags()->Contains(kDontSelfOptimize) && |
233 !function()->flags()->Contains(kDontOptimize) && | 233 !function()->dont_optimize() && |
234 function()->scope()->AllowsLazyCompilation() && | 234 function()->scope()->AllowsLazyCompilation() && |
235 (shared_info().is_null() || !shared_info()->optimization_disabled()); | 235 (shared_info().is_null() || !shared_info()->optimization_disabled()); |
236 } | 236 } |
237 | 237 |
238 | 238 |
239 // Determine whether to use the full compiler for all code. If the flag | 239 // Determine whether to use the full compiler for all code. If the flag |
240 // --always-full-compiler is specified this is the case. For the virtual frame | 240 // --always-full-compiler is specified this is the case. For the virtual frame |
241 // based compiler the full compiler is also used if a debugger is connected, as | 241 // based compiler the full compiler is also used if a debugger is connected, as |
242 // the code from the full compiler supports mode precise break points. For the | 242 // the code from the full compiler supports mode precise break points. For the |
243 // crankshaft adaptive compiler debugging the optimized code is not possible at | 243 // crankshaft adaptive compiler debugging the optimized code is not possible at |
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833 ASSERT(!function->IsOptimized()); | 833 ASSERT(!function->IsOptimized()); |
834 } | 834 } |
835 | 835 |
836 // Set the expected number of properties for instances. | 836 // Set the expected number of properties for instances. |
837 FunctionLiteral* lit = info->function(); | 837 FunctionLiteral* lit = info->function(); |
838 int expected = lit->expected_property_count(); | 838 int expected = lit->expected_property_count(); |
839 SetExpectedNofPropertiesFromEstimate(shared, expected); | 839 SetExpectedNofPropertiesFromEstimate(shared, expected); |
840 | 840 |
841 // Check the function has compiled code. | 841 // Check the function has compiled code. |
842 ASSERT(shared->is_compiled()); | 842 ASSERT(shared->is_compiled()); |
843 shared->set_dont_optimize(lit->flags()->Contains(kDontOptimize)); | 843 shared->set_dont_optimize_reason(lit->dont_optimize_reason()); |
844 shared->set_dont_inline(lit->flags()->Contains(kDontInline)); | 844 shared->set_dont_inline(lit->flags()->Contains(kDontInline)); |
845 shared->set_ast_node_count(lit->ast_node_count()); | 845 shared->set_ast_node_count(lit->ast_node_count()); |
846 | 846 |
847 if (info->isolate()->use_crankshaft() && | 847 if (info->isolate()->use_crankshaft() && |
848 !function.is_null() && | 848 !function.is_null() && |
849 !shared->optimization_disabled()) { | 849 !shared->optimization_disabled()) { |
850 // If we're asked to always optimize, we compile the optimized | 850 // If we're asked to always optimize, we compile the optimized |
851 // version of the function right away - unless the debugger is | 851 // version of the function right away - unless the debugger is |
852 // active as it makes no sense to compile optimized code then. | 852 // active as it makes no sense to compile optimized code then. |
853 if (FLAG_always_opt && | 853 if (FLAG_always_opt && |
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1353 function_info->set_is_toplevel(is_toplevel); | 1353 function_info->set_is_toplevel(is_toplevel); |
1354 function_info->set_inferred_name(*lit->inferred_name()); | 1354 function_info->set_inferred_name(*lit->inferred_name()); |
1355 function_info->set_allows_lazy_compilation(lit->AllowsLazyCompilation()); | 1355 function_info->set_allows_lazy_compilation(lit->AllowsLazyCompilation()); |
1356 function_info->set_allows_lazy_compilation_without_context( | 1356 function_info->set_allows_lazy_compilation_without_context( |
1357 lit->AllowsLazyCompilationWithoutContext()); | 1357 lit->AllowsLazyCompilationWithoutContext()); |
1358 function_info->set_language_mode(lit->language_mode()); | 1358 function_info->set_language_mode(lit->language_mode()); |
1359 function_info->set_uses_arguments(lit->scope()->arguments() != NULL); | 1359 function_info->set_uses_arguments(lit->scope()->arguments() != NULL); |
1360 function_info->set_has_duplicate_parameters(lit->has_duplicate_parameters()); | 1360 function_info->set_has_duplicate_parameters(lit->has_duplicate_parameters()); |
1361 function_info->set_ast_node_count(lit->ast_node_count()); | 1361 function_info->set_ast_node_count(lit->ast_node_count()); |
1362 function_info->set_is_function(lit->is_function()); | 1362 function_info->set_is_function(lit->is_function()); |
1363 function_info->set_dont_optimize(lit->flags()->Contains(kDontOptimize)); | 1363 function_info->set_dont_optimize_reason(lit->dont_optimize_reason()); |
1364 function_info->set_dont_inline(lit->flags()->Contains(kDontInline)); | 1364 function_info->set_dont_inline(lit->flags()->Contains(kDontInline)); |
1365 function_info->set_dont_cache(lit->flags()->Contains(kDontCache)); | 1365 function_info->set_dont_cache(lit->flags()->Contains(kDontCache)); |
1366 function_info->set_is_generator(lit->is_generator()); | 1366 function_info->set_is_generator(lit->is_generator()); |
1367 } | 1367 } |
1368 | 1368 |
1369 | 1369 |
1370 void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag, | 1370 void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag, |
1371 CompilationInfo* info, | 1371 CompilationInfo* info, |
1372 Handle<SharedFunctionInfo> shared) { | 1372 Handle<SharedFunctionInfo> shared) { |
1373 // SharedFunctionInfo is passed separately, because if CompilationInfo | 1373 // SharedFunctionInfo is passed separately, because if CompilationInfo |
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1438 AllowHandleDereference allow_deref; | 1438 AllowHandleDereference allow_deref; |
1439 bool tracing_on = info()->IsStub() | 1439 bool tracing_on = info()->IsStub() |
1440 ? FLAG_trace_hydrogen_stubs | 1440 ? FLAG_trace_hydrogen_stubs |
1441 : (FLAG_trace_hydrogen && | 1441 : (FLAG_trace_hydrogen && |
1442 info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter)); | 1442 info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter)); |
1443 return (tracing_on && | 1443 return (tracing_on && |
1444 OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); | 1444 OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); |
1445 } | 1445 } |
1446 | 1446 |
1447 } } // namespace v8::internal | 1447 } } // namespace v8::internal |
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