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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 #include "src/compiler.h" | |
13 | |
14 namespace v8 { | 12 namespace v8 { |
15 namespace internal { | 13 namespace internal { |
16 namespace compiler { | 14 namespace compiler { |
17 | 15 |
18 // Specializes a given JSGraph to a given context, potentially constant folding | 16 // Specializes a given JSGraph to a given context, potentially constant folding |
19 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes. | 17 // some {LoadContext} nodes or strength reducing some {StoreContext} nodes. |
20 class JSContextSpecializer : public Reducer { | 18 class JSContextSpecializer : public Reducer { |
21 public: | 19 public: |
22 JSContextSpecializer(Handle<Context> ctx, JSGraph* jsgraph, Node* context) | 20 JSContextSpecializer(Handle<Context> ctx, JSGraph* jsgraph, Node* context) |
23 : ctx_(ctx), jsgraph_(jsgraph), context_(context) {} | 21 : ctx_(ctx), jsgraph_(jsgraph), context_(context) {} |
24 | 22 |
25 Reduction Reduce(Node* node) OVERRIDE; | 23 Reduction Reduce(Node* node) OVERRIDE; |
26 | 24 |
27 // Visible for unit testing. | 25 // Visible for unit testing. |
28 Reduction ReduceJSLoadContext(Node* node); | 26 Reduction ReduceJSLoadContext(Node* node); |
29 Reduction ReduceJSStoreContext(Node* node); | 27 Reduction ReduceJSStoreContext(Node* node); |
30 | 28 |
31 private: | 29 private: |
32 Handle<Context> ctx_; | 30 Handle<Context> ctx_; |
33 JSGraph* jsgraph_; | 31 JSGraph* jsgraph_; |
34 Node* context_; | 32 Node* context_; |
35 }; | 33 }; |
36 } | 34 } |
37 } | 35 } |
38 } // namespace v8::internal::compiler | 36 } // namespace v8::internal::compiler |
39 | 37 |
40 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ | 38 #endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |
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