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 class JSFrameSpecialization final : public AdvancedReducer { 22 public: JSFrameSpecialization(Editor * editor,JavaScriptFrame const * frame,JSGraph * jsgraph)23 JSFrameSpecialization(Editor* editor, JavaScriptFrame const* frame, 24 JSGraph* jsgraph) 25 : AdvancedReducer(editor), 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 ReduceOsrGuard(Node* node); 33 Reduction ReduceParameter(Node* node); 34 35 Isolate* isolate() const; frame()36 JavaScriptFrame const* frame() const { return frame_; } jsgraph()37 JSGraph* jsgraph() const { return jsgraph_; } 38 39 JavaScriptFrame const* const frame_; 40 JSGraph* const jsgraph_; 41 42 DISALLOW_COPY_AND_ASSIGN(JSFrameSpecialization); 43 }; 44 45 } // namespace compiler 46 } // namespace internal 47 } // namespace v8 48 49 #endif // V8_COMPILER_JS_FRAME_SPECIALIZATION_H_ 50