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_
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