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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/compiler.h" | 5 #include "src/compiler.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "src/ast-numbering.h" | 9 #include "src/ast-numbering.h" |
| 10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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| 196 code_stub()->GetCodeKind(), code_stub()->GetICState(), | 196 code_stub()->GetCodeKind(), code_stub()->GetICState(), |
| 197 code_stub()->GetExtraICState(), code_stub()->GetStubType()) | 197 code_stub()->GetExtraICState(), code_stub()->GetStubType()) |
| 198 : Code::ComputeFlags(Code::OPTIMIZED_FUNCTION); | 198 : Code::ComputeFlags(Code::OPTIMIZED_FUNCTION); |
| 199 } | 199 } |
| 200 | 200 |
| 201 | 201 |
| 202 // Primitive functions are unlikely to be picked up by the stack-walking | 202 // Primitive functions are unlikely to be picked up by the stack-walking |
| 203 // profiler, so they trigger their own optimization when they're called | 203 // profiler, so they trigger their own optimization when they're called |
| 204 // for the SharedFunctionInfo::kCallsUntilPrimitiveOptimization-th time. | 204 // for the SharedFunctionInfo::kCallsUntilPrimitiveOptimization-th time. |
| 205 bool CompilationInfo::ShouldSelfOptimize() { | 205 bool CompilationInfo::ShouldSelfOptimize() { |
| 206 return FLAG_crankshaft && !function()->flags()->Contains(kDontSelfOptimize) && | 206 return FLAG_crankshaft && |
| 207 !(function()->flags() & AstProperties::kDontSelfOptimize) && |
| 207 !function()->dont_optimize() && | 208 !function()->dont_optimize() && |
| 208 function()->scope()->AllowsLazyCompilation() && | 209 function()->scope()->AllowsLazyCompilation() && |
| 209 (!has_shared_info() || !shared_info()->optimization_disabled()); | 210 (!has_shared_info() || !shared_info()->optimization_disabled()); |
| 210 } | 211 } |
| 211 | 212 |
| 212 | 213 |
| 213 void CompilationInfo::EnsureFeedbackVector() { | 214 void CompilationInfo::EnsureFeedbackVector() { |
| 214 if (feedback_vector_.is_null() || | 215 if (feedback_vector_.is_null() || |
| 215 feedback_vector_->SpecDiffersFrom(function()->feedback_vector_spec())) { | 216 feedback_vector_->SpecDiffersFrom(function()->feedback_vector_spec())) { |
| 216 feedback_vector_ = isolate()->factory()->NewTypeFeedbackVector( | 217 feedback_vector_ = isolate()->factory()->NewTypeFeedbackVector( |
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| 746 static bool Renumber(ParseInfo* parse_info) { | 747 static bool Renumber(ParseInfo* parse_info) { |
| 747 if (!AstNumbering::Renumber(parse_info->isolate(), parse_info->zone(), | 748 if (!AstNumbering::Renumber(parse_info->isolate(), parse_info->zone(), |
| 748 parse_info->function())) { | 749 parse_info->function())) { |
| 749 return false; | 750 return false; |
| 750 } | 751 } |
| 751 Handle<SharedFunctionInfo> shared_info = parse_info->shared_info(); | 752 Handle<SharedFunctionInfo> shared_info = parse_info->shared_info(); |
| 752 if (!shared_info.is_null()) { | 753 if (!shared_info.is_null()) { |
| 753 FunctionLiteral* lit = parse_info->function(); | 754 FunctionLiteral* lit = parse_info->function(); |
| 754 shared_info->set_ast_node_count(lit->ast_node_count()); | 755 shared_info->set_ast_node_count(lit->ast_node_count()); |
| 755 MaybeDisableOptimization(shared_info, lit->dont_optimize_reason()); | 756 MaybeDisableOptimization(shared_info, lit->dont_optimize_reason()); |
| 756 shared_info->set_dont_crankshaft(lit->flags()->Contains(kDontCrankshaft)); | 757 shared_info->set_dont_crankshaft(lit->flags() & |
| 758 AstProperties::kDontCrankshaft); |
| 757 } | 759 } |
| 758 return true; | 760 return true; |
| 759 } | 761 } |
| 760 | 762 |
| 761 | 763 |
| 762 bool Compiler::Analyze(ParseInfo* info) { | 764 bool Compiler::Analyze(ParseInfo* info) { |
| 763 DCHECK(info->function() != NULL); | 765 DCHECK(info->function() != NULL); |
| 764 if (!Rewriter::Rewrite(info)) return false; | 766 if (!Rewriter::Rewrite(info)) return false; |
| 765 if (!Scope::Analyze(info)) return false; | 767 if (!Scope::Analyze(info)) return false; |
| 766 if (!Renumber(info)) return false; | 768 if (!Renumber(info)) return false; |
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| 1631 | 1633 |
| 1632 | 1634 |
| 1633 #if DEBUG | 1635 #if DEBUG |
| 1634 void CompilationInfo::PrintAstForTesting() { | 1636 void CompilationInfo::PrintAstForTesting() { |
| 1635 PrintF("--- Source from AST ---\n%s\n", | 1637 PrintF("--- Source from AST ---\n%s\n", |
| 1636 PrettyPrinter(isolate(), zone()).PrintProgram(function())); | 1638 PrettyPrinter(isolate(), zone()).PrintProgram(function())); |
| 1637 } | 1639 } |
| 1638 #endif | 1640 #endif |
| 1639 } // namespace internal | 1641 } // namespace internal |
| 1640 } // namespace v8 | 1642 } // namespace v8 |
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