/* * Copyright (c) 2023 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 ECMASCRIPT_COMPILER_GRAPH_EDITOR_H #define ECMASCRIPT_COMPILER_GRAPH_EDITOR_H #include "ecmascript/compiler/circuit_builder.h" #include "ecmascript/compiler/gate_accessor.h" #include "ecmascript/mem/chunk_containers.h" namespace panda::ecmascript::kungfu { class GraphEditor { public: GraphEditor(Circuit *circuit) : circuit_(circuit), acc_(circuit), chunk_(circuit->chunk()), workList_(circuit->chunk()) {} ~GraphEditor() = default; static void RemoveDeadState(Circuit* circuit, GateRef gate); static void EliminateRedundantPhi(Circuit* circuit, bool enableLog, const std::string& methodName); private: void ReplaceGate(GateRef gate); void RemoveGate(); void PropagateGate(const Edge& edge); void PropagateMerge(const Edge& edge); void EliminatePhi(); bool HasOsrDeoptUse(GateRef gate); Circuit *circuit_ {nullptr}; GateAccessor acc_; Chunk* chunk_ {nullptr}; ChunkVector workList_; }; } // panda::ecmascript::kungfu #endif // ECMASCRIPT_COMPILER_GRAPH_EDITOR_H