1 /* 2 * Copyright (c) 2021-2023 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 PANDA_OBJECT_TYPE_PROPAGATION_H 17 #define PANDA_OBJECT_TYPE_PROPAGATION_H 18 19 #include "optimizer/pass.h" 20 #include "optimizer/ir/graph.h" 21 #include "optimizer/ir/graph_visitor.h" 22 23 namespace panda::compiler { 24 // NOLINTNEXTLINE(fuchsia-multiple-inheritance) 25 class ObjectTypePropagation final : public Analysis, public GraphVisitor { 26 public: ObjectTypePropagation(Graph * graph)27 explicit ObjectTypePropagation(Graph *graph) : Analysis(graph), visitedPhis_(graph->GetLocalAllocator()->Adapter()) 28 { 29 } 30 NO_MOVE_SEMANTIC(ObjectTypePropagation); 31 NO_COPY_SEMANTIC(ObjectTypePropagation); 32 ~ObjectTypePropagation() override = default; 33 GetBlocksToVisit()34 const ArenaVector<BasicBlock *> &GetBlocksToVisit() const override 35 { 36 return GetGraph()->GetBlocksRPO(); 37 } 38 GetPassName()39 const char *GetPassName() const override 40 { 41 return "ObjectTypePropagation"; 42 } 43 44 bool RunImpl() override; 45 46 protected: 47 static void VisitNewObject(GraphVisitor *v, Inst *inst); 48 static void VisitParameter(GraphVisitor *v, Inst *inst); 49 static void VisitNewArray(GraphVisitor *v, Inst *inst); 50 static void VisitLoadArray(GraphVisitor *v, Inst *inst); 51 static void VisitLoadString(GraphVisitor *v, Inst *inst); 52 static void VisitLoadObject(GraphVisitor *v, Inst *inst); 53 static void VisitCallStatic(GraphVisitor *v, Inst *inst); 54 static void VisitCallVirtual(GraphVisitor *v, Inst *inst); 55 static void VisitNullCheck(GraphVisitor *v, Inst *inst); 56 static void VisitRefTypeCheck(GraphVisitor *v, Inst *inst); 57 58 #include "optimizer/ir/visitor.inc" 59 60 private: 61 static void ProcessManagedCall(GraphVisitor *v, CallInst *inst); 62 ObjectTypeInfo GetPhiTypeInfo(Inst *inst); 63 64 private: 65 InstVector visitedPhis_; 66 Marker visited_ {UNDEF_MARKER}; 67 }; 68 } // namespace panda::compiler 69 70 #endif // PANDA_OBJECT_TYPE_PROPAGATION_H 71