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
18namespace panda::ecmascript::kungfu {
19
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
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}