1 /* 2 * Copyright (c) 2024 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 #include "ecmascript/compiler/escape_analysis_editor.h" 17 18 namespace panda::ecmascript::kungfu { 19 VisitFinishAllocate(GateRef gate)20GateRef EscapeAnalysisEditor::VisitFinishAllocate(GateRef gate) 21 { 22 GateRef depend = acc_.GetDep(gate); 23 if (acc_.GetOpCode(gate) == OpCode::START_ALLOCATE) { 24 visitor_->RelaxStateAndDepend(gate); 25 visitor_->RelaxStateAndDepend(depend); 26 } 27 return Circuit::NullGate(); 28 } 29 VisitGate(GateRef gate)30GateRef EscapeAnalysisEditor::VisitGate(GateRef gate) 31 { 32 GateRef replacement = result_->TryGetReplacement(gate); 33 if (replacement != Circuit::NullGate()) { 34 if (replacement == circuit_->DeadGate()) { 35 visitor_->RelaxStateAndDepend(gate); 36 return replacement; 37 } 38 if (isTraced_) { 39 LOG_COMPILER(INFO) << "[escape analysis editor] replace " << acc_.GetId(gate) << 40 " with " << acc_.GetId(replacement); 41 } 42 return replacement; 43 } 44 auto opcode = acc_.GetOpCode(gate); 45 switch (opcode) { 46 case OpCode::FINISH_ALLOCATE: 47 return VisitFinishAllocate(gate); 48 default: 49 break; 50 } 51 return Circuit::NullGate(); 52 } 53 54 }