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/base/compiler-specific.h"
9#include "src/compiler/graph-reducer.h"
10#include "src/globals.h"
11
12namespace v8 {
13namespace internal {
14
15// Forward declarations.
16class Factory;
17class Isolate;
18
19namespace compiler {
20
21// Forward declarations.
22class JSGraph;
23class MachineOperatorBuilder;
24class SimplifiedOperatorBuilder;
25
26class V8_EXPORT_PRIVATE SimplifiedOperatorReducer final
27    : public NON_EXPORTED_BASE(AdvancedReducer) {
28 public:
29  SimplifiedOperatorReducer(Editor* editor, JSGraph* jsgraph);
30  ~SimplifiedOperatorReducer() final;
31
32  Reduction Reduce(Node* node) final;
33
34 private:
35  Reduction ReduceReferenceEqual(Node* node);
36
37  Reduction Change(Node* node, const Operator* op, Node* a);
38  Reduction ReplaceBoolean(bool value);
39  Reduction ReplaceFloat64(double value);
40  Reduction ReplaceInt32(int32_t value);
41  Reduction ReplaceUint32(uint32_t value) {
42    return ReplaceInt32(bit_cast<int32_t>(value));
43  }
44  Reduction ReplaceNumber(double value);
45  Reduction ReplaceNumber(int32_t value);
46
47  Factory* factory() const;
48  Graph* graph() const;
49  Isolate* isolate() const;
50  JSGraph* jsgraph() const { return jsgraph_; }
51  MachineOperatorBuilder* machine() const;
52  SimplifiedOperatorBuilder* simplified() const;
53
54  JSGraph* const jsgraph_;
55
56  DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
57};
58
59}  // namespace compiler
60}  // namespace internal
61}  // namespace v8
62
63#endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
64