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Side by Side Diff: src/compiler/js-context-specialization.h

Issue 440053002: Update and extend context specialization. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Update and extend context specialization. Created 6 years, 4 months ago
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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. 18 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes.
19 class JSContextSpecializer { 19 class JSContextSpecializer {
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 void SpecializeToContext(); 24 void SpecializeToContext();
25 Reduction ReduceJSLoadContext(Node* node); 25 Reduction ReduceJSLoadContext(Node* node);
26 Reduction ReduceJSStoreContext(Node* node);
26 27
27 private: 28 private:
28 CompilationInfo* info_; 29 CompilationInfo* info_;
29 JSGraph* jsgraph_; 30 JSGraph* jsgraph_;
30 Node* context_; 31 Node* context_;
31 }; 32 };
32 } 33 }
33 } 34 }
34 } // namespace v8::internal::compiler 35 } // namespace v8::internal::compiler
35 36
36 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ 37 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_
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