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      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:
     16   explicit HInferTypesPhase(HGraph* graph)
     17       : HPhase("H_Inferring types", graph), worklist_(8, zone()),
     18         in_worklist_(graph->GetMaximumValueID(), zone()) { }
     19 
     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