1// Copyright 2014 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_SIMPLIFIED_OPERATOR_REDUCER_H_
6#define V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
7
8#include "src/compiler/graph-reducer.h"
9
10namespace v8 {
11namespace internal {
12
13// Forward declarations.
14class Heap;
15
16namespace compiler {
17
18// Forward declarations.
19class JSGraph;
20class MachineOperatorBuilder;
21
22class SimplifiedOperatorReducer FINAL : public Reducer {
23 public:
24  explicit SimplifiedOperatorReducer(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
25  virtual ~SimplifiedOperatorReducer();
26
27  virtual Reduction Reduce(Node* node) OVERRIDE;
28
29 private:
30  Reduction Change(Node* node, const Operator* op, Node* a);
31  Reduction ReplaceFloat64(double value);
32  Reduction ReplaceInt32(int32_t value);
33  Reduction ReplaceUint32(uint32_t value) {
34    return ReplaceInt32(bit_cast<int32_t>(value));
35  }
36  Reduction ReplaceNumber(double value);
37  Reduction ReplaceNumber(int32_t value);
38
39  Graph* graph() const;
40  Factory* factory() const;
41  JSGraph* jsgraph() const { return jsgraph_; }
42  MachineOperatorBuilder* machine() const;
43
44  JSGraph* jsgraph_;
45
46  DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
47};
48
49}  // namespace compiler
50}  // namespace internal
51}  // namespace v8
52
53#endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
54