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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 "hydrogen-dce.h" | 5 #include "src/hydrogen-dce.h" |
6 #include "v8.h" | 6 #include "src/v8.h" |
7 | 7 |
8 namespace v8 { | 8 namespace v8 { |
9 namespace internal { | 9 namespace internal { |
10 | 10 |
11 void HDeadCodeEliminationPhase::MarkLive( | 11 void HDeadCodeEliminationPhase::MarkLive( |
12 HValue* instr, ZoneList<HValue*>* worklist) { | 12 HValue* instr, ZoneList<HValue*>* worklist) { |
13 if (instr->CheckFlag(HValue::kIsLive)) return; // Already live. | 13 if (instr->CheckFlag(HValue::kIsLive)) return; // Already live. |
14 | 14 |
15 if (FLAG_trace_dead_code_elimination) PrintLive(NULL, instr); | 15 if (FLAG_trace_dead_code_elimination) PrintLive(NULL, instr); |
16 | 16 |
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97 HPhi* phi = worklist.RemoveLast(); | 97 HPhi* phi = worklist.RemoveLast(); |
98 HBasicBlock* block = phi->block(); | 98 HBasicBlock* block = phi->block(); |
99 phi->DeleteAndReplaceWith(NULL); | 99 phi->DeleteAndReplaceWith(NULL); |
100 if (phi->HasMergedIndex()) { | 100 if (phi->HasMergedIndex()) { |
101 block->RecordDeletedPhi(phi->merged_index()); | 101 block->RecordDeletedPhi(phi->merged_index()); |
102 } | 102 } |
103 } | 103 } |
104 } | 104 } |
105 | 105 |
106 } } // namespace v8::internal | 106 } } // namespace v8::internal |
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