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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_JS_CONTEXT_SPECIALIZATION_H_ | 5 #ifndef V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |
6 #define V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ | 6 #define V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |
7 | 7 |
8 #include "src/compiler/graph-reducer.h" | 8 #include "src/compiler/graph-reducer.h" |
9 #include "src/compiler/js-graph.h" | 9 #include "src/compiler/js-graph.h" |
10 #include "src/contexts.h" | 10 #include "src/contexts.h" |
11 #include "src/v8.h" | 11 #include "src/v8.h" |
12 | 12 |
13 namespace v8 { | 13 namespace v8 { |
14 namespace internal { | 14 namespace internal { |
15 namespace compiler { | 15 namespace compiler { |
16 | 16 |
17 // Specializes a given JSGraph to a given context, potentially constant folding | 17 // Specializes a given JSGraph to a given context, potentially constant folding |
18 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes. | 18 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes. |
19 class JSContextSpecializer : public Reducer { | 19 class JSContextSpecializer : public Reducer { |
20 public: | 20 public: |
21 JSContextSpecializer(CompilationInfo* info, JSGraph* jsgraph, Node* context) | 21 JSContextSpecializer(CompilationInfo* info, JSGraph* jsgraph, Node* context) |
22 : info_(info), jsgraph_(jsgraph), context_(context) {} | 22 : info_(info), jsgraph_(jsgraph), context_(context) {} |
23 | 23 |
24 virtual Reduction Reduce(Node* node) OVERRIDE; | 24 Reduction Reduce(Node* node) OVERRIDE; |
25 | 25 |
26 // Visible for unit testing. | 26 // Visible for unit testing. |
27 Reduction ReduceJSLoadContext(Node* node); | 27 Reduction ReduceJSLoadContext(Node* node); |
28 Reduction ReduceJSStoreContext(Node* node); | 28 Reduction ReduceJSStoreContext(Node* node); |
29 | 29 |
30 private: | 30 private: |
31 CompilationInfo* info_; | 31 CompilationInfo* info_; |
32 JSGraph* jsgraph_; | 32 JSGraph* jsgraph_; |
33 Node* context_; | 33 Node* context_; |
34 }; | 34 }; |
35 } | 35 } |
36 } | 36 } |
37 } // namespace v8::internal::compiler | 37 } // namespace v8::internal::compiler |
38 | 38 |
39 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ | 39 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |
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