1 /* 2 * Copyright (c) 2021-2024 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_TRY_CATCH_RESOLVING_H 17 #define COMPILER_OPTIMIZER_OPTIMIZATIONS_TRY_CATCH_RESOLVING_H 18 19 #include "optimizer/ir/graph.h" 20 #include "optimizer/pass.h" 21 22 namespace ark::compiler { 23 class TryCatchResolving : public Optimization { 24 public: 25 explicit TryCatchResolving(Graph *graph); 26 NO_MOVE_SEMANTIC(TryCatchResolving); 27 NO_COPY_SEMANTIC(TryCatchResolving); ~TryCatchResolving()28 ~TryCatchResolving() override 29 { 30 tryBlocks_.clear(); 31 throwInsts_.clear(); 32 throwInsts0_.clear(); 33 catchBlocks_.clear(); 34 phiInsts_.clear(); 35 cphi2phi_.clear(); 36 catch2cphis_.clear(); 37 } 38 39 bool RunImpl() override; 40 GetPassName()41 const char *GetPassName() const override 42 { 43 return "TryCatchResolving"; 44 } 45 void InvalidateAnalyses() override; 46 47 private: 48 void DeoptimizeIfs(); 49 void CollectCandidates(); 50 BasicBlock *FindCatchBeginBlock(BasicBlock *bb); 51 void VisitTryInst(TryInst *tryInst); 52 void ConnectThrowCatch(); 53 void ConnectThrowCatchImpl(BasicBlock *catchBlock, BasicBlock *throwBlock, uint32_t catchPc, Inst *newObj, 54 Inst *thr0w); 55 void DeleteTryCatchEdges(BasicBlock *tryBegin, BasicBlock *tryEnd); 56 void RemoveCatchPhis(BasicBlock *cphisBlock, BasicBlock *catchBlock, Inst *throwInst, Inst *phiInst); 57 void RemoveCatchPhisImpl(CatchPhiInst *catchPhi, BasicBlock *catchBlock, Inst *throwInst); 58 59 private: 60 ArenaVector<BasicBlock *> tryBlocks_; 61 ArenaVector<Inst *> throwInsts_; 62 ArenaVector<Inst *> throwInsts0_; 63 ArenaMap<uint32_t, BasicBlock *> catchBlocks_; 64 ArenaMap<uint32_t, PhiInst *> phiInsts_; 65 ArenaMap<CatchPhiInst *, PhiInst *> cphi2phi_; 66 ArenaMap<BasicBlock *, BasicBlock *> catch2cphis_; 67 }; 68 } // namespace ark::compiler 69 70 #endif // COMPILER_OPTIMIZER_OPTIMIZATIONS_TRY_CATCH_RESOLVING_H 71