1 //===----------- ValueTypes.cpp - Implementation of EVT methods -----------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file implements methods in the CodeGen/ValueTypes.h header. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/ADT/StringExtras.h" 15 #include "llvm/CodeGen/ValueTypes.h" 16 #include "llvm/LLVMContext.h" 17 #include "llvm/Type.h" 18 #include "llvm/DerivedTypes.h" 19 #include "llvm/Support/ErrorHandling.h" 20 using namespace llvm; 21 22 EVT EVT::changeExtendedVectorElementTypeToInteger() const { 23 LLVMContext &Context = LLVMTy->getContext(); 24 EVT IntTy = getIntegerVT(Context, getVectorElementType().getSizeInBits()); 25 return getVectorVT(Context, IntTy, getVectorNumElements()); 26 } 27 28 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) { 29 EVT VT; 30 VT.LLVMTy = IntegerType::get(Context, BitWidth); 31 assert(VT.isExtended() && "Type is not extended!"); 32 return VT; 33 } 34 35 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, 36 unsigned NumElements) { 37 EVT ResultVT; 38 ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), NumElements); 39 assert(ResultVT.isExtended() && "Type is not extended!"); 40 return ResultVT; 41 } 42 43 bool EVT::isExtendedFloatingPoint() const { 44 assert(isExtended() && "Type is not extended!"); 45 return LLVMTy->isFPOrFPVectorTy(); 46 } 47 48 bool EVT::isExtendedInteger() const { 49 assert(isExtended() && "Type is not extended!"); 50 return LLVMTy->isIntOrIntVectorTy(); 51 } 52 53 bool EVT::isExtendedVector() const { 54 assert(isExtended() && "Type is not extended!"); 55 return LLVMTy->isVectorTy(); 56 } 57 58 bool EVT::isExtended64BitVector() const { 59 return isExtendedVector() && getSizeInBits() == 64; 60 } 61 62 bool EVT::isExtended128BitVector() const { 63 return isExtendedVector() && getSizeInBits() == 128; 64 } 65 66 bool EVT::isExtended256BitVector() const { 67 return isExtendedVector() && getSizeInBits() == 256; 68 } 69 70 bool EVT::isExtended512BitVector() const { 71 return isExtendedVector() && getSizeInBits() == 512; 72 } 73 74 EVT EVT::getExtendedVectorElementType() const { 75 assert(isExtended() && "Type is not extended!"); 76 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType()); 77 } 78 79 unsigned EVT::getExtendedVectorNumElements() const { 80 assert(isExtended() && "Type is not extended!"); 81 return cast<VectorType>(LLVMTy)->getNumElements(); 82 } 83 84 unsigned EVT::getExtendedSizeInBits() const { 85 assert(isExtended() && "Type is not extended!"); 86 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy)) 87 return ITy->getBitWidth(); 88 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy)) 89 return VTy->getBitWidth(); 90 llvm_unreachable("Unrecognized extended type!"); 91 } 92 93 /// getEVTString - This function returns value type as a string, e.g. "i32". 94 std::string EVT::getEVTString() const { 95 switch (V.SimpleTy) { 96 default: 97 if (isVector()) 98 return "v" + utostr(getVectorNumElements()) + 99 getVectorElementType().getEVTString(); 100 if (isInteger()) 101 return "i" + utostr(getSizeInBits()); 102 llvm_unreachable("Invalid EVT!"); 103 case MVT::i1: return "i1"; 104 case MVT::i8: return "i8"; 105 case MVT::i16: return "i16"; 106 case MVT::i32: return "i32"; 107 case MVT::i64: return "i64"; 108 case MVT::i128: return "i128"; 109 case MVT::f16: return "f16"; 110 case MVT::f32: return "f32"; 111 case MVT::f64: return "f64"; 112 case MVT::f80: return "f80"; 113 case MVT::f128: return "f128"; 114 case MVT::ppcf128: return "ppcf128"; 115 case MVT::isVoid: return "isVoid"; 116 case MVT::Other: return "ch"; 117 case MVT::Glue: return "glue"; 118 case MVT::x86mmx: return "x86mmx"; 119 case MVT::v2i8: return "v2i8"; 120 case MVT::v4i8: return "v4i8"; 121 case MVT::v8i8: return "v8i8"; 122 case MVT::v16i8: return "v16i8"; 123 case MVT::v32i8: return "v32i8"; 124 case MVT::v2i16: return "v2i16"; 125 case MVT::v4i16: return "v4i16"; 126 case MVT::v8i16: return "v8i16"; 127 case MVT::v16i16: return "v16i16"; 128 case MVT::v2i32: return "v2i32"; 129 case MVT::v4i32: return "v4i32"; 130 case MVT::v8i32: return "v8i32"; 131 case MVT::v1i64: return "v1i64"; 132 case MVT::v2i64: return "v2i64"; 133 case MVT::v4i64: return "v4i64"; 134 case MVT::v8i64: return "v8i64"; 135 case MVT::v2f32: return "v2f32"; 136 case MVT::v2f16: return "v2f16"; 137 case MVT::v4f32: return "v4f32"; 138 case MVT::v8f32: return "v8f32"; 139 case MVT::v2f64: return "v2f64"; 140 case MVT::v4f64: return "v4f64"; 141 case MVT::Metadata:return "Metadata"; 142 case MVT::Untyped: return "Untyped"; 143 } 144 } 145 146 /// getTypeForEVT - This method returns an LLVM type corresponding to the 147 /// specified EVT. For integer types, this returns an unsigned type. Note 148 /// that this will abort for types that cannot be represented. 149 Type *EVT::getTypeForEVT(LLVMContext &Context) const { 150 switch (V.SimpleTy) { 151 default: 152 assert(isExtended() && "Type is not extended!"); 153 return LLVMTy; 154 case MVT::isVoid: return Type::getVoidTy(Context); 155 case MVT::i1: return Type::getInt1Ty(Context); 156 case MVT::i8: return Type::getInt8Ty(Context); 157 case MVT::i16: return Type::getInt16Ty(Context); 158 case MVT::i32: return Type::getInt32Ty(Context); 159 case MVT::i64: return Type::getInt64Ty(Context); 160 case MVT::i128: return IntegerType::get(Context, 128); 161 case MVT::f16: return Type::getHalfTy(Context); 162 case MVT::f32: return Type::getFloatTy(Context); 163 case MVT::f64: return Type::getDoubleTy(Context); 164 case MVT::f80: return Type::getX86_FP80Ty(Context); 165 case MVT::f128: return Type::getFP128Ty(Context); 166 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context); 167 case MVT::x86mmx: return Type::getX86_MMXTy(Context); 168 case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2); 169 case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4); 170 case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8); 171 case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16); 172 case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32); 173 case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2); 174 case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4); 175 case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8); 176 case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16); 177 case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2); 178 case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4); 179 case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8); 180 case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1); 181 case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2); 182 case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4); 183 case MVT::v8i64: return VectorType::get(Type::getInt64Ty(Context), 8); 184 case MVT::v2f16: return VectorType::get(Type::getHalfTy(Context), 2); 185 case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2); 186 case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4); 187 case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8); 188 case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2); 189 case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4); 190 case MVT::Metadata: return Type::getMetadataTy(Context); 191 } 192 } 193 194 /// getEVT - Return the value type corresponding to the specified type. This 195 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types 196 /// are returned as Other, otherwise they are invalid. 197 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){ 198 switch (Ty->getTypeID()) { 199 default: 200 if (HandleUnknown) return MVT(MVT::Other); 201 llvm_unreachable("Unknown type!"); 202 case Type::VoidTyID: 203 return MVT::isVoid; 204 case Type::IntegerTyID: 205 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth()); 206 case Type::HalfTyID: return MVT(MVT::f16); 207 case Type::FloatTyID: return MVT(MVT::f32); 208 case Type::DoubleTyID: return MVT(MVT::f64); 209 case Type::X86_FP80TyID: return MVT(MVT::f80); 210 case Type::X86_MMXTyID: return MVT(MVT::x86mmx); 211 case Type::FP128TyID: return MVT(MVT::f128); 212 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128); 213 case Type::PointerTyID: return MVT(MVT::iPTR); 214 case Type::VectorTyID: { 215 VectorType *VTy = cast<VectorType>(Ty); 216 return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false), 217 VTy->getNumElements()); 218 } 219 } 220 } 221
