text: // Copyright 2014 the V8 project authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
  #define V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
  
  #include "src/compiler/graph-reducer.h"
  
  namespace v8 {
  namespace internal {
  
  // Forward declarations.
  class Factory;
  class Isolate;
  
  namespace compiler {
  
  // Forward declarations.
  class JSGraph;
  class MachineOperatorBuilder;
  class SimplifiedOperatorBuilder;
  
  class SimplifiedOperatorReducer final : public AdvancedReducer {
   public:
    SimplifiedOperatorReducer(Editor* editor, JSGraph* jsgraph);
    ~SimplifiedOperatorReducer() final;
  
    Reduction Reduce(Node* node) final;
  
   private:
    Reduction ReduceReferenceEqual(Node* node);
  
    Reduction Change(Node* node, const Operator* op, Node* a);
    Reduction ReplaceBoolean(bool value);
    Reduction ReplaceFloat64(double value);
    Reduction ReplaceInt32(int32_t value);
    Reduction ReplaceUint32(uint32_t value) {
      return ReplaceInt32(bit_cast<int32_t>(value));
    }
    Reduction ReplaceNumber(double value);
    Reduction ReplaceNumber(int32_t value);
  
    Factory* factory() const;
    Graph* graph() const;
    Isolate* isolate() const;
    JSGraph* jsgraph() const { return jsgraph_; }
    MachineOperatorBuilder* machine() const;
    SimplifiedOperatorBuilder* simplified() const;
  
    JSGraph* const jsgraph_;
  
    DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
  };
  
  }  // namespace compiler
  }  // namespace internal
  }  // namespace v8
  
  #endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
  