1 /* 2 * Copyright (c) 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 ECMASCRIPT_COMPILER_NUMBER_SPECULATIVE_LOWERING_H 17 #define ECMASCRIPT_COMPILER_NUMBER_SPECULATIVE_LOWERING_H 18 19 #include "ecmascript/compiler/circuit_builder-inl.h" 20 #include "ecmascript/compiler/gate_accessor.h" 21 #include "ecmascript/compiler/share_gate_meta_data.h" 22 #include "ecmascript/compiler/number_gate_info.h" 23 #include "ecmascript/compiler/type.h" 24 #include "ecmascript/mem/chunk_containers.h" 25 26 namespace panda::ecmascript::kungfu { 27 class NumberSpeculativeLowering { 28 public: NumberSpeculativeLowering(Circuit* circuit, Chunk* chunk, ChunkVector<TypeInfo>& typeInfos, ChunkVector<RangeInfo>& rangeInfos)29 NumberSpeculativeLowering(Circuit* circuit, Chunk* chunk, ChunkVector<TypeInfo>& typeInfos, 30 ChunkVector<RangeInfo>& rangeInfos) 31 : circuit_(circuit), acc_(circuit), builder_(circuit), typeInfos_(typeInfos), 32 rangeInfos_(rangeInfos), rangeGuardGates_(chunk) {} 33 void Run(); 34 35 private: 36 void VisitGate(GateRef gate); 37 void VisitTypedBinaryOp(GateRef gate); 38 void VisitNumberBinaryOp(GateRef gate); 39 void VisitStringBinaryOp(GateRef gate); 40 void VisitTypedUnaryOp(GateRef gate); 41 void VisitNumberNot(GateRef gate); 42 void VisitTypedConditionJump(GateRef gate); 43 void VisitConstant(GateRef gate); 44 void VisitPhi(GateRef gate); 45 void VisitUndefinedStrictEqOrUndefinedStrictNotEq(GateRef gate); 46 void VisitUndefinedEqOrUndefinedNotEq(GateRef gate); 47 void VisitEqualOrNotEqual(GateRef gate); 48 void VisitRangeGuard(GateRef gate); 49 void VisitRangeCheckPredicate(GateRef gate); 50 void VisitIndexCheck(GateRef gate); 51 void VisitLoadArrayLength(GateRef gate); 52 void VisitLoadStringLength(GateRef gate); 53 void VisitLoadMapSize(GateRef gate); 54 void VisitLoadElement(GateRef gate); 55 void VisitLoadProperty(GateRef gate); 56 void VisitLoadPropertyOnProto(GateRef gate); 57 void VisitRound(GateRef gate); 58 void VisitFRound(GateRef gate); 59 60 template<TypedBinOp Op> 61 void VisitNumberCalculate(GateRef gate); 62 template<TypedBinOp Op> 63 void VisitNumberCompare(GateRef gate); 64 template<TypedBinOp Op> 65 void VisitNumberShift(GateRef gate); 66 template<TypedBinOp Op> 67 void VisitNumberLogical(GateRef gate); 68 template<TypedUnOp Op> 69 void VisitNumberMonocular(GateRef gate); 70 void VisitNumberDiv(GateRef gate); 71 template<TypedBinOp Op> 72 void VisitNumberMod(GateRef gate); 73 void VisitBooleanJump(GateRef gate); 74 void VisitIsTrueOrFalse(GateRef gate, bool flag); 75 void VisitStrictEqualOrStrictNotEqual(GateRef gate); 76 77 template<TypedBinOp Op> 78 void VisitStringCompare(GateRef gate); 79 template<TypedBinOp Op> 80 void VisitStringAdd(GateRef gate); 81 82 template<TypedBinOp Op> 83 GateRef CalculateInts(GateRef left, GateRef right); 84 template<TypedBinOp Op> 85 GateRef CalculateDoubles(GateRef left, GateRef right); 86 template<TypedBinOp Op> 87 GateRef CompareInts(GateRef left, GateRef right); 88 template<TypedBinOp Op> 89 GateRef CompareDoubles(GateRef left, GateRef right); 90 template<TypedBinOp Op> 91 GateRef ShiftInts(GateRef left, GateRef right); 92 template<TypedBinOp Op> 93 GateRef LogicalInts(GateRef left, GateRef right); 94 template<TypedUnOp Op> 95 GateRef MonocularInt(GateRef value); 96 template<TypedUnOp Op> 97 GateRef MonocularDouble(GateRef value); 98 GetOutputType(GateRef gate) const99 TypeInfo GetOutputType(GateRef gate) const 100 { 101 auto index = acc_.GetId(gate); 102 ASSERT(index < typeInfos_.size()); 103 return typeInfos_[index]; 104 } 105 106 void UpdateRange(GateRef gate, const RangeInfo& range); 107 RangeInfo GetRange(GateRef gate) const; 108 GateRef GetConstInt32(int32_t v); 109 GateRef GetConstDouble(double v); 110 111 Circuit* circuit_; 112 GateAccessor acc_; 113 CircuitBuilder builder_; 114 ChunkVector<TypeInfo>& typeInfos_; 115 ChunkVector<RangeInfo>& rangeInfos_; 116 ChunkVector<GateRef> rangeGuardGates_; 117 }; 118 } // panda::ecmascript::kungfu 119 #endif // ECMASCRIPT_COMPILER_NUMBER_SPECULATIVE_LOWERING_H 120