1 /* 2 * Copyright (c) 2023 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 MAPLEBE_INCLUDE_CG_ICO_H 17 #define MAPLEBE_INCLUDE_CG_ICO_H 18 #include "optimize_common.h" 19 #include "live.h" 20 21 namespace maplebe { 22 class IfConversionOptimizer : public Optimizer { 23 public: IfConversionOptimizer(CGFunc & func,MemPool & memPool)24 IfConversionOptimizer(CGFunc &func, MemPool &memPool) : Optimizer(func, memPool) 25 { 26 name = "ICO"; 27 } 28 29 ~IfConversionOptimizer() override = default; 30 }; 31 32 /* If-Then-Else pattern */ 33 class ICOPattern : public OptimizationPattern { 34 public: ICOPattern(CGFunc & func)35 explicit ICOPattern(CGFunc &func) : OptimizationPattern(func) 36 { 37 dotColor = kIcoIte; 38 patternName = "If-Then-Else"; 39 } 40 ~ICOPattern() override = default; 41 static constexpr int kThreshold = 2; 42 43 protected: 44 Insn *FindLastCmpInsn(BB &bb) const; 45 std::vector<LabelOperand *> GetLabelOpnds(Insn &insn) const; 46 }; 47 48 MAPLE_FUNC_PHASE_DECLARE(CgIco, maplebe::CGFunc) 49 } /* namespace maplebe */ 50 51 #endif /* MAPLEBE_INCLUDE_CG_ICO_H */ 52