1 /* 2 * Copyright (c) 2021 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_TYPE_MCR_LOWERING_H 17 #define ECMASCRIPT_COMPILER_TYPE_MCR_LOWERING_H 18 19 #include "ecmascript/compiler/argument_accessor.h" 20 #include "ecmascript/compiler/bytecode_circuit_builder.h" 21 #include "ecmascript/compiler/circuit_builder-inl.h" 22 23 namespace panda::ecmascript::kungfu { 24 // TypeMCRLowering Process 25 // SW: state wire, DW: depend wire, VW: value wire 26 // Before Type Lowering: 27 // SW DW VW 28 // | | | 29 // | | | 30 // v v v 31 // +-------------------+ 32 // | (HIR) | SW +--------------+ 33 // --DW| JS_BYTECODE |---------->| IF_EXCEPTION | 34 // | +-------------------+ +--------------+ 35 // | SW VW 36 // | | | 37 // | v | 38 // | +--------------+ | 39 // | | IF_SUCCESS | | 40 // | +--------------+ | 41 // | SW | 42 // | | | 43 // | v v 44 // | +-------------------+ 45 // | | (HIR) | 46 // --->| JS_BYTECODE | 47 // +-------------------+ 48 // 49 // After Type Lowering: 50 // SW 51 // | 52 // v 53 // +-------------------+ 54 // | IF_BRANCH | 55 // | (Type Check) | 56 // +-------------------+ 57 // SW SW 58 // | | 59 // V V 60 // +--------------+ +--------------+ 61 // | IF_TRUE | | IF_FALSE | 62 // +--------------+ +--------------+ 63 // VW DW SW SW DW VW 64 // | | | | | | 65 // | | V V | | 66 // | | +---------------+ +---------------------+ | | 67 // ------->| FAST PATH | | (HIR) |<------- 68 // +---------------+ | JS_BYTECODE | 69 // VW DW SW +---------------------+ 70 // | | | SW VW DW 71 // | | | | | | 72 // | | | v | | 73 // | | | +--------------+ | | 74 // | | | | IF_SUCCESS | | | 75 // | | | +--------------+ | | 76 // | | | SW | | 77 // | | | | | | 78 // | | v v | | 79 // | | +---------------------+ | | 80 // | | | MERGE | | | 81 // | | +---------------------+ | | 82 // | | SW SW SW | | 83 // ----|----|----------|-----|-- | | 84 // ---|----|----------|-----|-|-------|---- 85 // | | | | | | | 86 // v v v | v v v 87 // +-----------------+ | +----------------+ 88 // | DEPEND_SELECTOR | | | VALUE_SELECTOR | 89 // +-----------------+ | +----------------+ 90 // DW | VW 91 // | | | 92 // v v v 93 // +------------------------+ 94 // | (HIR) | 95 // | JS_BYTECODE | 96 // +------------------------+ 97 98 class TypeMCRLowering { 99 public: TypeMCRLowering(Circuit * circuit,CompilationConfig * cmpCfg,TSManager * tsManager,bool enableLog,const std::string & name)100 TypeMCRLowering(Circuit *circuit, CompilationConfig *cmpCfg, TSManager *tsManager, 101 bool enableLog, const std::string& name) 102 : circuit_(circuit), acc_(circuit), builder_(circuit, cmpCfg), 103 dependEntry_(circuit->GetDependRoot()), tsManager_(tsManager), 104 enableLog_(enableLog), methodName_(name) {} 105 106 ~TypeMCRLowering() = default; 107 108 void RunTypeMCRLowering(); 109 110 private: IsLogEnabled()111 bool IsLogEnabled() const 112 { 113 return enableLog_; 114 } 115 GetMethodName()116 const std::string& GetMethodName() const 117 { 118 return methodName_; 119 } 120 121 void Lower(GateRef gate); 122 void LowerType(GateRef gate); 123 void LowerPrimitiveTypeCheck(GateRef gate); 124 void LowerTypeConvert(GateRef gate); 125 void LowerPrimitiveToNumber(GateRef dst, GateRef src, GateType srcType); 126 void LowerIntCheck(GateRef gate); 127 void LowerDoubleCheck(GateRef gate); 128 void LowerNumberCheck(GateRef gate); 129 void LowerBooleanCheck(GateRef gate); 130 void LowerIndexCheck(GateRef gate); 131 void LowerObjectTypeCheck(GateRef gate); 132 void LowerSimpleHClassCheck(GateRef gate); 133 void LowerTSSubtypingCheck(GateRef gate); 134 void LowerObjectTypeCompare(GateRef gate); 135 void LowerSimpleHClassCompare(GateRef gate); 136 void LowerTSSubtypingCompare(GateRef gate); 137 GateRef BuildCompareSubTyping(GateRef gate, GateRef frameState, Label *levelValid, Label *exit); 138 GateRef BuildCompareHClass(GateRef gate, GateRef frameState); 139 void BuildCompareSubTyping(GateRef gate); 140 void LowerStableArrayCheck(GateRef gate); 141 void LowerTypedArrayCheck(GateRef gate); 142 void LowerLoadTypedArrayLength(GateRef gate); 143 void LowerLoadProperty(GateRef gate); 144 void LowerCallGetter(GateRef gate, GateRef glue); 145 void LowerStoreProperty(GateRef gate); 146 void LowerCallSetter(GateRef gate, GateRef glue); 147 void LowerLoadArrayLength(GateRef gate); 148 void LowerStoreElement(GateRef gate, GateRef glue); 149 void LowerLoadElement(GateRef gate); 150 void LowerLoadFromTaggedArray(GateRef gate); 151 void LowerStoreToTaggedArray(GateRef gate, GateRef glue); 152 153 enum class ArrayState : uint8_t { 154 PACKED = 0, 155 HOLEY, 156 }; 157 void LowerArrayLoadElement(GateRef gate, ArrayState arrayState); 158 void LowerCowArrayCheck(GateRef gate, GateRef glue); 159 void LowerTypedArrayLoadElement(GateRef gate, BuiltinTypeId id); 160 void LowerArrayStoreElement(GateRef gate, GateRef glue); 161 void LowerTypedArrayStoreElement(GateRef gate, BuiltinTypeId id); 162 void LowerUInt8ClampedArrayStoreElement(GateRef gate); 163 void LowerTypedCallBuitin(GateRef gate); 164 void LowerCallTargetCheck(GateRef gate); 165 void LowerJSCallTargetCheck(GateRef gate); 166 void LowerJSCallTargetFromDefineFuncCheck(GateRef gate); 167 void LowerJSCallTargetTypeCheck(GateRef gate); 168 void LowerJSFastCallTargetTypeCheck(GateRef gate); 169 void LowerJSCallThisTargetTypeCheck(GateRef gate); 170 void LowerJSFastCallThisTargetTypeCheck(GateRef gate); 171 void LowerJSNoGCCallThisTargetTypeCheck(GateRef gate); 172 void LowerJSNoGCFastCallThisTargetTypeCheck(GateRef gate); 173 void LowerTypedNewAllocateThis(GateRef gate, GateRef glue); 174 void LowerTypedSuperAllocateThis(GateRef gate, GateRef glue); 175 void LowerGetSuperConstructor(GateRef gate); 176 void LowerJSInlineTargetTypeCheck(GateRef gate); 177 void SetDeoptTypeInfo(BuiltinTypeId id, DeoptType &type, size_t &funcIndex); 178 void LowerLoadGetter(GateRef gate); 179 void LowerLoadSetter(GateRef gate); 180 void LowerInlineAccessorCheck(GateRef gate); 181 182 GateRef LowerCallRuntime(GateRef glue, GateRef hirGate, int index, const std::vector<GateRef> &args, 183 bool useLabel = false); 184 185 enum AccessorMode { 186 GETTER, 187 SETTER, 188 }; 189 190 GateRef CallAccessor(GateRef glue, GateRef gate, GateRef function, GateRef receiver, AccessorMode mode, 191 GateRef value = Circuit::NullGate()); 192 void ReplaceHirWithPendingException(GateRef hirGate, GateRef glue, GateRef state, GateRef depend, GateRef value); 193 194 GateRef DoubleToTaggedDoublePtr(GateRef gate); 195 GateRef ChangeInt32ToFloat64(GateRef gate); 196 GateRef TruncDoubleToInt(GateRef gate); 197 GateRef IntToTaggedIntPtr(GateRef x); 198 GateType GetLeftType(GateRef gate); 199 GateType GetRightType(GateRef gate); 200 GateRef GetObjectFromConstPool(GateRef jsFunc, GateRef index); 201 GateRef GetElementSize(BuiltinTypeId id); 202 VariableType GetVariableType(BuiltinTypeId id); 203 GetFrameState(GateRef gate)204 GateRef GetFrameState(GateRef gate) const 205 { 206 return acc_.GetFrameState(gate); 207 } 208 209 VariableType GetVarType(PropertyLookupResult plr); 210 GateRef LoadSupers(GateRef hclass); 211 GateRef GetLengthFromSupers(GateRef supers); 212 GateRef GetValueFromSupers(GateRef supers, size_t index); 213 GateRef LoadFromTaggedArray(GateRef array, size_t index); 214 GateRef LoadFromConstPool(GateRef jsFunc, size_t index); 215 GateRef LoadFromVTable(GateRef receiver, size_t index); 216 217 Circuit *circuit_; 218 GateAccessor acc_; 219 CircuitBuilder builder_; 220 GateRef dependEntry_; 221 [[maybe_unused]] TSManager *tsManager_ {nullptr}; 222 bool enableLog_ {false}; 223 std::string methodName_; 224 }; 225 } // panda::ecmascript::kungfu 226 #endif // ECMASCRIPT_COMPILER_TYPE_MCR_LOWERING_H 227