| OLD | NEW |
| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // modification, are permitted provided that the following conditions are | 3 // found in the LICENSE file. |
| 4 // met: | |
| 5 // | |
| 6 // * Redistributions of source code must retain the above copyright | |
| 7 // notice, this list of conditions and the following disclaimer. | |
| 8 // * Redistributions in binary form must reproduce the above | |
| 9 // copyright notice, this list of conditions and the following | |
| 10 // disclaimer in the documentation and/or other materials provided | |
| 11 // with the distribution. | |
| 12 // * Neither the name of Google Inc. nor the names of its | |
| 13 // contributors may be used to endorse or promote products derived | |
| 14 // from this software without specific prior written permission. | |
| 15 // | |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 | 4 |
| 28 #include "hydrogen-canonicalize.h" | 5 #include "hydrogen-canonicalize.h" |
| 29 #include "hydrogen-redundant-phi.h" | 6 #include "hydrogen-redundant-phi.h" |
| 30 | 7 |
| 31 namespace v8 { | 8 namespace v8 { |
| 32 namespace internal { | 9 namespace internal { |
| 33 | 10 |
| 34 void HCanonicalizePhase::Run() { | 11 void HCanonicalizePhase::Run() { |
| 35 const ZoneList<HBasicBlock*>* blocks(graph()->blocks()); | 12 const ZoneList<HBasicBlock*>* blocks(graph()->blocks()); |
| 36 // Before removing no-op instructions, save their semantic value. | 13 // Before removing no-op instructions, save their semantic value. |
| (...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 69 // Now canonicalize each instruction. | 46 // Now canonicalize each instruction. |
| 70 for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) { | 47 for (HInstructionIterator it(blocks->at(i)); !it.Done(); it.Advance()) { |
| 71 HInstruction* instr = it.Current(); | 48 HInstruction* instr = it.Current(); |
| 72 HValue* value = instr->Canonicalize(); | 49 HValue* value = instr->Canonicalize(); |
| 73 if (value != instr) instr->DeleteAndReplaceWith(value); | 50 if (value != instr) instr->DeleteAndReplaceWith(value); |
| 74 } | 51 } |
| 75 } | 52 } |
| 76 } | 53 } |
| 77 | 54 |
| 78 } } // namespace v8::internal | 55 } } // namespace v8::internal |
| OLD | NEW |