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_REPRESENTATION_CHANGES_H_
6 #define V8_CRANKSHAFT_HYDROGEN_REPRESENTATION_CHANGES_H_
7 
8 #include "src/crankshaft/hydrogen.h"
9 
10 namespace v8 {
11 namespace internal {
12 
13 
14 class HRepresentationChangesPhase : public HPhase {
15  public:
16   explicit HRepresentationChangesPhase(HGraph* graph)
17       : HPhase("H_Representation changes", graph) { }
18 
19   void Run();
20 
21  private:
22   void InsertRepresentationChangeForUse(HValue* value,
23                                         HValue* use_value,
24                                         int use_index,
25                                         Representation to);
26   void InsertRepresentationChangesForValue(HValue* value);
27 };
28 
29 
30 }  // namespace internal
31 }  // namespace v8
32 
33 #endif  // V8_CRANKSHAFT_HYDROGEN_REPRESENTATION_CHANGES_H_
34