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_STORE_ELIMINATION_H_
6 #define V8_CRANKSHAFT_HYDROGEN_STORE_ELIMINATION_H_
7 
8 #include "src/crankshaft/hydrogen.h"
9 #include "src/crankshaft/hydrogen-alias-analysis.h"
10 
11 namespace v8 {
12 namespace internal {
13 
14 class HStoreEliminationPhase : public HPhase {
15  public:
HStoreEliminationPhase(HGraph * graph)16   explicit HStoreEliminationPhase(HGraph* graph)
17     : HPhase("H_Store elimination", graph),
18       unobserved_(10, zone()),
19       aliasing_() { }
20 
21   void Run();
22  private:
23   ZoneList<HStoreNamedField*> unobserved_;
24   HAliasAnalyzer* aliasing_;
25 
26   void ProcessStore(HStoreNamedField* store);
27   void ProcessLoad(HLoadNamedField* load);
28   void ProcessInstr(HInstruction* instr, GVNFlagSet flags);
29 };
30 
31 
32 }  // namespace internal
33 }  // namespace v8
34 
35 #endif  // V8_CRANKSHAFT_HYDROGEN_STORE_ELIMINATION_H_
36