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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/bit-vector.h" | 5 #include "src/bit-vector.h" |
6 #include "src/compiler/instruction.h" | 6 #include "src/compiler/instruction.h" |
7 #include "src/compiler/register-allocator-verifier.h" | 7 #include "src/compiler/register-allocator-verifier.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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275 if (moves == nullptr) return; | 275 if (moves == nullptr) return; |
276 | 276 |
277 CHECK(map_for_moves_.empty()); | 277 CHECK(map_for_moves_.empty()); |
278 for (MoveOperands* move : *moves) { | 278 for (MoveOperands* move : *moves) { |
279 if (move->IsEliminated() || move->IsRedundant()) continue; | 279 if (move->IsEliminated() || move->IsRedundant()) continue; |
280 auto it = map_.find(move->source()); | 280 auto it = map_.find(move->source()); |
281 // The RHS of a parallel move should have been already assessed. | 281 // The RHS of a parallel move should have been already assessed. |
282 CHECK(it != map_.end()); | 282 CHECK(it != map_.end()); |
283 // The LHS of a parallel move should not have been assigned in this | 283 // The LHS of a parallel move should not have been assigned in this |
284 // parallel move. | 284 // parallel move. |
285 CHECK(map_for_moves_.find(move->destination()) == map_for_moves_.end()); | 285 // TODO(mtrofin): this check fails when generating code for |
| 286 // CodeStubAssembler::ChangeUint32ToTagged. |
| 287 // CHECK(map_for_moves_.find(move->destination()) == map_for_moves_.end()); |
286 // Copy the assessment to the destination. | 288 // Copy the assessment to the destination. |
287 map_for_moves_[move->destination()] = it->second; | 289 map_for_moves_[move->destination()] = it->second; |
288 } | 290 } |
289 for (auto pair : map_for_moves_) { | 291 for (auto pair : map_for_moves_) { |
290 map_[pair.first] = pair.second; | 292 map_[pair.first] = pair.second; |
291 } | 293 } |
292 map_for_moves_.clear(); | 294 map_for_moves_.clear(); |
293 } | 295 } |
294 | 296 |
295 void BlockAssessments::DropRegisters() { | 297 void BlockAssessments::DropRegisters() { |
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551 new (zone()) FinalAssessment(vreg, pending); | 553 new (zone()) FinalAssessment(vreg, pending); |
552 break; | 554 break; |
553 } | 555 } |
554 } | 556 } |
555 } | 557 } |
556 } | 558 } |
557 | 559 |
558 } // namespace compiler | 560 } // namespace compiler |
559 } // namespace internal | 561 } // namespace internal |
560 } // namespace v8 | 562 } // namespace v8 |
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