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 3 // found in the LICENSE file. 4 5 #ifndef V8_COMPILER_JS_FRAME_SPECIALIZATION_H_ 6 #define V8_COMPILER_JS_FRAME_SPECIALIZATION_H_ 7 8 #include "src/compiler/graph-reducer.h" 9 10 namespace v8 { 11 namespace internal { 12 13 // Forward declarations. 14 class JavaScriptFrame; 15 16 namespace compiler { 17 18 // Forward declarations. 19 class JSGraph; 20 21 22 class JSFrameSpecialization final : public Reducer { 23 public: JSFrameSpecialization(JavaScriptFrame const * frame,JSGraph * jsgraph)24 JSFrameSpecialization(JavaScriptFrame const* frame, JSGraph* jsgraph) 25 : frame_(frame), jsgraph_(jsgraph) {} ~JSFrameSpecialization()26 ~JSFrameSpecialization() final {} 27 28 Reduction Reduce(Node* node) final; 29 30 private: 31 Reduction ReduceOsrValue(Node* node); 32 Reduction ReduceParameter(Node* node); 33 34 Isolate* isolate() const; frame()35 JavaScriptFrame const* frame() const { return frame_; } jsgraph()36 JSGraph* jsgraph() const { return jsgraph_; } 37 38 JavaScriptFrame const* const frame_; 39 JSGraph* const jsgraph_; 40 41 DISALLOW_COPY_AND_ASSIGN(JSFrameSpecialization); 42 }; 43 44 } // namespace compiler 45 } // namespace internal 46 } // namespace v8 47 48 #endif // V8_COMPILER_JS_FRAME_SPECIALIZATION_H_ 49