1 // Copyright 2013 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_CRANKSHAFT_HYDROGEN_INFER_REPRESENTATION_H_
6 #define V8_CRANKSHAFT_HYDROGEN_INFER_REPRESENTATION_H_
7 
8 #include "src/crankshaft/hydrogen.h"
9 
10 namespace v8 {
11 namespace internal {
12 
13 
14 class HInferRepresentationPhase : public HPhase {
15  public:
16   explicit HInferRepresentationPhase(HGraph* graph)
17       : HPhase("H_Infer representations", graph),
18         worklist_(8, zone()),
19         in_worklist_(graph->GetMaximumValueID(), zone()) { }
20 
21   void Run();
22   void AddToWorklist(HValue* current);
23 
24  private:
25   ZoneList<HValue*> worklist_;
26   BitVector in_worklist_;
27 
28   DISALLOW_COPY_AND_ASSIGN(HInferRepresentationPhase);
29 };
30 
31 
32 }  // namespace internal
33 }  // namespace v8
34 
35 #endif  // V8_CRANKSHAFT_HYDROGEN_INFER_REPRESENTATION_H_
36