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1 // Copyright 2013 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/hydrogen-canonicalize.h" | 5 #include "src/crankshaft/hydrogen-canonicalize.h" |
6 #include "src/hydrogen-redundant-phi.h" | 6 |
| 7 #include "src/crankshaft/hydrogen-redundant-phi.h" |
7 | 8 |
8 namespace v8 { | 9 namespace v8 { |
9 namespace internal { | 10 namespace internal { |
10 | 11 |
11 void HCanonicalizePhase::Run() { | 12 void HCanonicalizePhase::Run() { |
12 const ZoneList<HBasicBlock*>* blocks(graph()->blocks()); | 13 const ZoneList<HBasicBlock*>* blocks(graph()->blocks()); |
13 // Before removing no-op instructions, save their semantic value. | 14 // Before removing no-op instructions, save their semantic value. |
14 // We must be careful not to set the flag unnecessarily, because GVN | 15 // We must be careful not to set the flag unnecessarily, because GVN |
15 // cannot identify two instructions when their flag value differs. | 16 // cannot identify two instructions when their flag value differs. |
16 for (int i = 0; i < blocks->length(); ++i) { | 17 for (int i = 0; i < blocks->length(); ++i) { |
(...skipping 30 matching lines...) Expand all Loading... |
47 for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) { | 48 for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) { |
48 HInstruction* instr = it.Current(); | 49 HInstruction* instr = it.Current(); |
49 HValue* value = instr->Canonicalize(); | 50 HValue* value = instr->Canonicalize(); |
50 if (value != instr) instr->DeleteAndReplaceWith(value); | 51 if (value != instr) instr->DeleteAndReplaceWith(value); |
51 } | 52 } |
52 } | 53 } |
53 } | 54 } |
54 | 55 |
55 } // namespace internal | 56 } // namespace internal |
56 } // namespace v8 | 57 } // namespace v8 |
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