Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 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 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 15 | class MoveOptimizer final { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 16 | public: |
| 17 | MoveOptimizer(Zone* local_zone, InstructionSequence* code); |
| 18 | void Run(); |
| 19 | |
| 20 | private: |
| 21 | typedef ZoneVector<MoveOperands*> MoveOpVector; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 22 | typedef ZoneVector<Instruction*> Instructions; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 23 | |
| 24 | InstructionSequence* code() const { return code_; } |
| 25 | Zone* local_zone() const { return local_zone_; } |
| 26 | Zone* code_zone() const { return code()->zone(); } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 27 | MoveOpVector& local_vector() { return local_vector_; } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 28 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 29 | void CompressBlock(InstructionBlock* blocke); |
| 30 | void CompressMoves(ParallelMove* left, ParallelMove* right); |
| 31 | const Instruction* LastInstruction(const InstructionBlock* block) const; |
| 32 | void OptimizeMerge(InstructionBlock* block); |
| 33 | void FinalizeMoves(Instruction* instr); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 34 | |
| 35 | Zone* const local_zone_; |
| 36 | InstructionSequence* const code_; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 37 | Instructions to_finalize_; |
| 38 | MoveOpVector local_vector_; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 39 | |
| 40 | DISALLOW_COPY_AND_ASSIGN(MoveOptimizer); |
| 41 | }; |
| 42 | |
| 43 | } // namespace compiler |
| 44 | } // namespace internal |
| 45 | } // namespace v8 |
| 46 | |
| 47 | #endif // V8_COMPILER_MOVE_OPTIMIZER_ |