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_HYDROGEN_INFER_TYPES_H_
6 #define V8_HYDROGEN_INFER_TYPES_H_
7 
8 #include "src/hydrogen.h"
9 
10 namespace v8 {
11 namespace internal {
12 
13 
14 class HInferTypesPhase : public HPhase {
15  public:
HInferTypesPhase(HGraph * graph)16   explicit HInferTypesPhase(HGraph* graph)
17       : HPhase("H_Inferring types", graph), worklist_(8, zone()),
18         in_worklist_(graph->GetMaximumValueID(), zone()) { }
19 
Run()20   void Run() {
21     InferTypes(0, graph()->blocks()->length() - 1);
22   }
23 
24  private:
25   void InferTypes(int from_inclusive, int to_inclusive);
26 
27   ZoneList<HValue*> worklist_;
28   BitVector in_worklist_;
29 
30   DISALLOW_COPY_AND_ASSIGN(HInferTypesPhase);
31 };
32 
33 
34 } }  // namespace v8::internal
35 
36 #endif  // V8_HYDROGEN_INFER_TYPES_H_
37