Line data    Source code

       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          39 : class HStoreEliminationPhase : public HPhase {
      15             :  public:
      16          39 :   explicit HStoreEliminationPhase(HGraph* graph)
      17             :     : HPhase("H_Store elimination", graph),
      18             :       unobserved_(10, zone()),
      19          39 :       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_