Nicolas Geoffray | 184d640 | 2014-06-09 14:06:02 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 17 | #ifndef ART_COMPILER_OPTIMIZING_PRIMITIVE_TYPE_PROPAGATION_H_ |
| 18 | #define ART_COMPILER_OPTIMIZING_PRIMITIVE_TYPE_PROPAGATION_H_ |
Nicolas Geoffray | 184d640 | 2014-06-09 14:06:02 +0100 | [diff] [blame] | 19 | |
| 20 | #include "nodes.h" |
| 21 | |
| 22 | namespace art { |
| 23 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 24 | // Compute and propagate primitive types of phis in the graph. |
| 25 | class PrimitiveTypePropagation : public ValueObject { |
Nicolas Geoffray | 184d640 | 2014-06-09 14:06:02 +0100 | [diff] [blame] | 26 | public: |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 27 | explicit PrimitiveTypePropagation(HGraph* graph) |
Nicolas Geoffray | 184d640 | 2014-06-09 14:06:02 +0100 | [diff] [blame] | 28 | : graph_(graph), worklist_(graph->GetArena(), kDefaultWorklistSize) {} |
| 29 | |
| 30 | void Run(); |
| 31 | |
| 32 | private: |
| 33 | void VisitBasicBlock(HBasicBlock* block); |
| 34 | void ProcessWorklist(); |
| 35 | void AddToWorklist(HPhi* phi); |
| 36 | void AddDependentInstructionsToWorklist(HPhi* phi); |
Nicolas Geoffray | 102cbed | 2014-10-15 18:31:05 +0100 | [diff] [blame] | 37 | bool UpdateType(HPhi* phi); |
Nicolas Geoffray | 184d640 | 2014-06-09 14:06:02 +0100 | [diff] [blame] | 38 | |
| 39 | HGraph* const graph_; |
| 40 | GrowableArray<HPhi*> worklist_; |
| 41 | |
| 42 | static constexpr size_t kDefaultWorklistSize = 8; |
| 43 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 44 | DISALLOW_COPY_AND_ASSIGN(PrimitiveTypePropagation); |
Nicolas Geoffray | 184d640 | 2014-06-09 14:06:02 +0100 | [diff] [blame] | 45 | }; |
| 46 | |
| 47 | } // namespace art |
| 48 | |
Calin Juravle | 10e244f | 2015-01-26 18:54:32 +0000 | [diff] [blame] | 49 | #endif // ART_COMPILER_OPTIMIZING_PRIMITIVE_TYPE_PROPAGATION_H_ |