Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [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_VALUE_NUMBERING_REDUCER_H_ |
| 6 | #define V8_COMPILER_VALUE_NUMBERING_REDUCER_H_ |
| 7 | |
| 8 | #include "src/compiler/graph-reducer.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | namespace compiler { |
| 13 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 14 | class ValueNumberingReducer final : public Reducer { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 15 | public: |
| 16 | explicit ValueNumberingReducer(Zone* zone); |
| 17 | ~ValueNumberingReducer(); |
| 18 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 19 | Reduction Reduce(Node* node) override; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 20 | |
| 21 | private: |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 22 | enum { kInitialCapacity = 256u, kCapacityToSizeRatio = 2u }; |
| 23 | |
| 24 | void Grow(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 25 | Zone* zone() const { return zone_; } |
| 26 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 27 | Node** entries_; |
| 28 | size_t capacity_; |
| 29 | size_t size_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 30 | Zone* zone_; |
| 31 | }; |
| 32 | |
| 33 | } // namespace compiler |
| 34 | } // namespace internal |
| 35 | } // namespace v8 |
| 36 | |
| 37 | #endif // V8_COMPILER_VALUE_NUMBERING_REDUCER_H_ |