Line data    Source code

       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:
      23             :   JSFrameSpecialization(Editor* editor, JavaScriptFrame const* frame,
      24             :                         JSGraph* jsgraph)
      25      395343 :       : AdvancedReducer(editor), frame_(frame), jsgraph_(jsgraph) {}
      26      395343 :   ~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_