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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); |
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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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