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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 | 11 |
12 namespace v8 { | 12 namespace v8 { |
13 namespace internal { | 13 namespace internal { |
14 namespace compiler { | 14 namespace compiler { |
15 | 15 |
16 // Specializes a given JSGraph to a given context, potentially constant folding | 16 // Specializes a given JSGraph to a given context, potentially constant folding |
17 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes. | 17 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes. |
18 class JSContextSpecializer : public Reducer { | 18 class JSContextSpecializer : public Reducer { |
19 public: | 19 public: |
20 JSContextSpecializer(Handle<Context> ctx, JSGraph* jsgraph, Node* context) | 20 explicit JSContextSpecializer(JSGraph* jsgraph) : jsgraph_(jsgraph) {} |
21 : ctx_(ctx), jsgraph_(jsgraph), context_(context) {} | |
22 | 21 |
23 Reduction Reduce(Node* node) OVERRIDE; | 22 Reduction Reduce(Node* node) OVERRIDE; |
24 | 23 |
25 // Visible for unit testing. | 24 // Visible for unit testing. |
26 Reduction ReduceJSLoadContext(Node* node); | 25 Reduction ReduceJSLoadContext(Node* node); |
27 Reduction ReduceJSStoreContext(Node* node); | 26 Reduction ReduceJSStoreContext(Node* node); |
28 | 27 |
29 private: | 28 private: |
30 Handle<Context> ctx_; | |
31 JSGraph* jsgraph_; | 29 JSGraph* jsgraph_; |
32 Node* context_; | |
33 }; | 30 }; |
34 } | 31 } |
35 } | 32 } |
36 } // namespace v8::internal::compiler | 33 } // namespace v8::internal::compiler |
37 | 34 |
38 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ | 35 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |
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