| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @author Intel, Pavel A. Ozhdikhin |
| * |
| */ |
| |
| #ifndef _TAIL_DUPLICATOR_H_ |
| #define _TAIL_DUPLICATOR_H_ |
| |
| #include "optpass.h" |
| |
| namespace Jitrino { |
| |
| class IRManager; |
| class DominatorTree; |
| class DominatorNode; |
| class LoopTree; |
| class DefUseBuilder; |
| class Node; |
| class BranchInst; |
| |
| |
| class TailDuplicator { |
| public: |
| TailDuplicator(IRManager& irm, DominatorTree* dtree) : _irm(irm), _dtree(dtree) {} |
| |
| void doTailDuplication(); |
| void doProfileGuidedTailDuplication(LoopTree* ltree); |
| |
| private: |
| bool isMatchingBranch(BranchInst* br1, BranchInst* br2); |
| void process(DefUseBuilder& defUses, DominatorNode* dnode); |
| void tailDuplicate(DefUseBuilder& defUses, Node* idom, Node* tail); |
| void profileGuidedTailDuplicate(LoopTree* ltree, DefUseBuilder& defUses, Node* node); |
| |
| IRManager& _irm; |
| DominatorTree* _dtree; |
| }; |
| |
| } //namespace Jitrino |
| |
| #endif // _TAIL_DUPLICATOR_H_ |