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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef V8_COMPILER_ESCAPE_ANALYSIS_H_ | 5 #ifndef V8_COMPILER_ESCAPE_ANALYSIS_H_ |
| 6 #define V8_COMPILER_ESCAPE_ANALYSIS_H_ | 6 #define V8_COMPILER_ESCAPE_ANALYSIS_H_ |
| 7 | 7 |
| 8 #include "src/compiler/graph.h" | 8 #include "src/compiler/graph.h" |
| 9 #include "src/globals.h" |
| 9 | 10 |
| 10 namespace v8 { | 11 namespace v8 { |
| 11 namespace internal { | 12 namespace internal { |
| 12 namespace compiler { | 13 namespace compiler { |
| 13 | 14 |
| 14 // Forward declarations. | 15 // Forward declarations. |
| 15 class CommonOperatorBuilder; | 16 class CommonOperatorBuilder; |
| 16 class EscapeStatusAnalysis; | 17 class EscapeStatusAnalysis; |
| 17 class MergeCache; | 18 class MergeCache; |
| 18 class VirtualState; | 19 class VirtualState; |
| 19 class VirtualObject; | 20 class VirtualObject; |
| 20 | 21 |
| 21 // EscapeObjectAnalysis simulates stores to determine values of loads if | 22 // EscapeObjectAnalysis simulates stores to determine values of loads if |
| 22 // an object is virtual and eliminated. | 23 // an object is virtual and eliminated. |
| 23 class EscapeAnalysis { | 24 class V8_EXPORT_PRIVATE EscapeAnalysis { |
| 24 public: | 25 public: |
| 25 EscapeAnalysis(Graph* graph, CommonOperatorBuilder* common, Zone* zone); | 26 EscapeAnalysis(Graph* graph, CommonOperatorBuilder* common, Zone* zone); |
| 26 ~EscapeAnalysis(); | 27 ~EscapeAnalysis(); |
| 27 | 28 |
| 28 void Run(); | 29 void Run(); |
| 29 | 30 |
| 30 Node* GetReplacement(Node* node); | 31 Node* GetReplacement(Node* node); |
| 31 bool IsVirtual(Node* node); | 32 bool IsVirtual(Node* node); |
| 32 bool IsEscaped(Node* node); | 33 bool IsEscaped(Node* node); |
| 33 bool CompareVirtualObjects(Node* left, Node* right); | 34 bool CompareVirtualObjects(Node* left, Node* right); |
| (...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 80 MergeCache* cache_; | 81 MergeCache* cache_; |
| 81 | 82 |
| 82 DISALLOW_COPY_AND_ASSIGN(EscapeAnalysis); | 83 DISALLOW_COPY_AND_ASSIGN(EscapeAnalysis); |
| 83 }; | 84 }; |
| 84 | 85 |
| 85 } // namespace compiler | 86 } // namespace compiler |
| 86 } // namespace internal | 87 } // namespace internal |
| 87 } // namespace v8 | 88 } // namespace v8 |
| 88 | 89 |
| 89 #endif // V8_COMPILER_ESCAPE_ANALYSIS_H_ | 90 #endif // V8_COMPILER_ESCAPE_ANALYSIS_H_ |
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