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 10namespace v8 { 11namespace internal { 12 13// Forward declarations. 14class JavaScriptFrame; 15 16namespace compiler { 17 18// Forward declarations. 19class JSGraph; 20 21class JSFrameSpecialization final : public AdvancedReducer { 22 public: 23 JSFrameSpecialization(Editor* editor, JavaScriptFrame const* frame, 24 JSGraph* jsgraph) 25 : AdvancedReducer(editor), frame_(frame), jsgraph_(jsgraph) {} 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; 36 JavaScriptFrame const* frame() const { return frame_; } 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