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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef V8_COMPILER_MOVE_OPTIMIZER_ |
| 6 #define V8_COMPILER_MOVE_OPTIMIZER_ |
| 7 |
| 8 #include "src/compiler/instruction.h" |
| 9 #include "src/zone-containers.h" |
| 10 |
| 11 namespace v8 { |
| 12 namespace internal { |
| 13 namespace compiler { |
| 14 |
| 15 class MoveOptimizer FINAL { |
| 16 public: |
| 17 MoveOptimizer(Zone* local_zone, InstructionSequence* code); |
| 18 void Run(); |
| 19 |
| 20 private: |
| 21 typedef ZoneVector<MoveOperands*> MoveOpVector; |
| 22 |
| 23 InstructionSequence* code() const { return code_; } |
| 24 Zone* local_zone() const { return local_zone_; } |
| 25 Zone* code_zone() const { return code()->zone(); } |
| 26 |
| 27 void CompressMoves(MoveOpVector* eliminated, ParallelMove* left, |
| 28 ParallelMove* right); |
| 29 void FinalizeMoves(MoveOpVector* loads, MoveOpVector* new_moves, |
| 30 GapInstruction* gap); |
| 31 |
| 32 Zone* const local_zone_; |
| 33 InstructionSequence* const code_; |
| 34 MoveOpVector temp_vector_0_; |
| 35 MoveOpVector temp_vector_1_; |
| 36 |
| 37 DISALLOW_COPY_AND_ASSIGN(MoveOptimizer); |
| 38 }; |
| 39 |
| 40 } // namespace compiler |
| 41 } // namespace internal |
| 42 } // namespace v8 |
| 43 |
| 44 #endif // V8_COMPILER_MOVE_OPTIMIZER_ |
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