/** * Copyright (c) 2021-2022 Huawei Device Co., Ltd. * Licensed 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. */ #ifndef BYTECODE_OPTIMIZER_REG_ACC_ALLOC_H #define BYTECODE_OPTIMIZER_REG_ACC_ALLOC_H #include "optimizer/ir/graph.h" #include "optimizer/pass.h" #include "compiler_options.h" namespace panda::bytecodeopt { class RegAccAlloc : public compiler::Optimization { using Optimization::Optimization; public: explicit RegAccAlloc(compiler::Graph *graph) : compiler::Optimization(graph), acc_marker_(graph->NewMarker()) {}; ~RegAccAlloc() override = default; bool IsEnable() const override { return compiler::options.IsCompilerRegAccAlloc(); } const char *GetPassName() const override { return "RegAccAlloc"; } bool RunImpl() override; private: bool IsPhiOptimizable(compiler::Inst *phi) const; bool IsAccRead(compiler::Inst *inst) const; bool IsAccWrite(compiler::Inst *inst) const; bool CanUserReadAcc(compiler::Inst *inst, compiler::Inst *user) const; bool IsPhiAccReady(compiler::Inst *phi) const; void SetNeedLda(compiler::Inst *inst, bool need); compiler::Marker acc_marker_ {0}; }; } // namespace panda::bytecodeopt #endif // BYTECODE_OPTIMIZER_REG_ACC_ALLOC_H