simplified-operator-reducer.h

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// 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 Heap;
 
namespace compiler {
 
// Forward declarations.
class JSGraph;
class MachineOperatorBuilder;
 
class SimplifiedOperatorReducer FINAL : public Reducer {
 public:
  explicit SimplifiedOperatorReducer(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
  virtual ~SimplifiedOperatorReducer();
 
  virtual Reduction Reduce(Node* node) OVERRIDE;
 
 private:
  Reduction Change(Node* node, const Operator* op, Node* a);
  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);
 
  Graph* graph() const;
  Factory* factory() const;
  JSGraph* jsgraph() const { return jsgraph_; }
  MachineOperatorBuilder* machine() const;
 
  JSGraph* jsgraph_;
 
  DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
};
 
}  // namespace compiler
}  // namespace internal
}  // namespace v8
 
#endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_