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https://gitee.com/openharmony/arkcompiler_ets_runtime
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d47c22bad9
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I81OZC Signed-off-by: void_f <void_f@foxmail.com> Change-Id: I764d0f5460780a8ed43531d6e8e0c33509bf8d83
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_COMPILER_CONSTANT_FOLDING_H
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#define ECMASCRIPT_COMPILER_CONSTANT_FOLDING_H
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#include "ecmascript/compiler/circuit.h"
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#include "ecmascript/compiler/circuit_builder.h"
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#include "ecmascript/compiler/gate.h"
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#include "ecmascript/compiler/share_gate_meta_data.h"
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#include "ecmascript/compiler/combined_pass_visitor.h"
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#include "ecmascript/compiler/number_gate_info.h"
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namespace panda::ecmascript::kungfu {
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class ConstantFolding : public PassVisitor {
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public:
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ConstantFolding(Circuit *circuit, RPOVisitor* visitor, CompilationConfig *cmpCfg, bool enableLog,
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const std::string& name, Chunk* chunk)
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: PassVisitor(circuit, chunk, visitor), circuit_(circuit), acc_(circuit), builder_(circuit, cmpCfg),
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enableLog_(enableLog), methodName_(name) {}
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~ConstantFolding() = default;
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void Print() const;
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GateRef VisitGate(GateRef gate);
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private:
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GateRef VisitADD(GateRef gate);
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GateRef VisitMUL(GateRef gate);
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GateRef VisitZEXT(GateRef gate);
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GateRef VisitSUB(GateRef gate);
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GateRef VisitSMOD(GateRef gate);
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GateRef VisitUMOD(GateRef gate);
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GateRef Int32Constant(int32_t val);
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GateRef Int64Constant(size_t val);
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RangeInfo GetRange(GateRef gate) const;
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bool IsInt32Type(GateRef gate) const;
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bool IsConstant(GateRef gate) const
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{
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return acc_.GetOpCode(gate) == OpCode::CONSTANT;
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}
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bool IsLogEnabled() const
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{
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return enableLog_;
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}
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std::string GetMethodName() const
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{
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return methodName_;
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}
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void AddFoldingCount()
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{
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++foldingCount_;
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}
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int32_t GetFoldingCount() const
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{
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return foldingCount_;
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}
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Circuit* circuit_;
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GateAccessor acc_;
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CircuitBuilder builder_;
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bool enableLog_{false};
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std::string methodName_;
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int32_t foldingCount_{0};
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};
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} // namespace panda::ecmascript::kungfu
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#endif //ECMASCRIPT_COMPILER_CONSTANT_FOLDING_H
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