1 /** 2 * Copyright (c) 2021-2022 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 BYTECODE_OPTIMIZER_REG_ACC_ALLOC_H 17 #define BYTECODE_OPTIMIZER_REG_ACC_ALLOC_H 18 19 #include "optimizer/ir/graph.h" 20 #include "optimizer/pass.h" 21 #include "compiler_options.h" 22 23 namespace panda::bytecodeopt { 24 25 class RegAccAlloc : public compiler::Optimization { 26 using Optimization::Optimization; 27 28 public: RegAccAlloc(compiler::Graph * graph)29 explicit RegAccAlloc(compiler::Graph *graph) : compiler::Optimization(graph), acc_marker_(graph->NewMarker()) {}; 30 31 ~RegAccAlloc() override = default; 32 IsEnable()33 bool IsEnable() const override 34 { 35 return compiler::options.IsCompilerRegAccAlloc(); 36 } 37 GetPassName()38 const char *GetPassName() const override 39 { 40 return "RegAccAlloc"; 41 } 42 43 bool RunImpl() override; 44 45 private: 46 bool IsPhiOptimizable(compiler::Inst *phi) const; 47 bool IsAccRead(compiler::Inst *inst) const; 48 bool IsAccWrite(compiler::Inst *inst) const; 49 50 bool CanUserReadAcc(compiler::Inst *inst, compiler::Inst *user) const; 51 bool IsPhiAccReady(compiler::Inst *phi) const; 52 void SetNeedLda(compiler::Inst *inst, bool need); 53 54 compiler::Marker acc_marker_ {0}; 55 }; 56 57 } // namespace panda::bytecodeopt 58 59 #endif // BYTECODE_OPTIMIZER_REG_ACC_ALLOC_H 60