1 /* 2 * Copyright (c) 2023-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef COMPILER_OPTIMIZER_OPTIMIZATIONS_CONDITION_CHAIN_MANAGER_H 17 #define COMPILER_OPTIMIZER_OPTIMIZATIONS_CONDITION_CHAIN_MANAGER_H 18 19 #include "compiler/optimizer/ir/graph.h" 20 #include "compiler/optimizer/ir/basicblock.h" 21 #include "condition_chain.h" 22 23 namespace ark::compiler { 24 25 class ConditionChainManager { 26 public: 27 explicit ConditionChainManager(ArenaAllocator *allocator); 28 29 /** 30 * Find condition chain and create new ConditionChain object which shares vector of basic blocks to avoid multiple 31 * vector allocations. 32 */ 33 ConditionChain *FindConditionChain(BasicBlock *bb); 34 void Reset(); 35 36 private: 37 ConditionChain *TryConditionChain(BasicBlock *bb, BasicBlock *multiplePredsSucc, BasicBlock *chainBb); 38 bool IsConditionChainCandidate(const BasicBlock *bb); 39 ArenaAllocator *allocator_; 40 ArenaVector<BasicBlock *> conditionChainBb_; 41 }; 42 } // namespace ark::compiler 43 44 #endif // COMPILER_OPTIMIZER_OPTIMIZATIONS_CONDITION_CHAIN_MANAGER_H 45