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_SELECT_LOWERING_H_
6 #define V8_COMPILER_SELECT_LOWERING_H_
7 
8 #include "src/compiler/graph-reducer.h"
9 
10 namespace v8 {
11 namespace internal {
12 namespace compiler {
13 
14 // Forward declarations.
15 class CommonOperatorBuilder;
16 class Graph;
17 
18 
19 // Lowers Select nodes to diamonds.
20 class SelectLowering final : public Reducer {
21  public:
22   SelectLowering(Graph* graph, CommonOperatorBuilder* common);
23   ~SelectLowering();
24 
reducer_name()25   const char* reducer_name() const override { return "SelectLowering"; }
26 
27   Reduction Reduce(Node* node) override;
28 
29  private:
common()30   CommonOperatorBuilder* common() const { return common_; }
graph()31   Graph* graph() const { return graph_; }
32 
33   CommonOperatorBuilder* common_;
34   Graph* graph_;
35 };
36 
37 }  // namespace compiler
38 }  // namespace internal
39 }  // namespace v8
40 
41 #endif  // V8_COMPILER_SELECT_LOWERING_H_
42