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/CodeGen/ValueTypes.h" 15 #include "llvm/ADT/StringExtras.h" 16 #include "llvm/IR/DerivedTypes.h" 17 #include "llvm/IR/LLVMContext.h" 18 #include "llvm/IR/Type.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::isExtended16BitVector() const { 59 return isExtendedVector() && getExtendedSizeInBits() == 16; 60 } 61 62 bool EVT::isExtended32BitVector() const { 63 return isExtendedVector() && getExtendedSizeInBits() == 32; 64 } 65 66 bool EVT::isExtended64BitVector() const { 67 return isExtendedVector() && getExtendedSizeInBits() == 64; 68 } 69 70 bool EVT::isExtended128BitVector() const { 71 return isExtendedVector() && getExtendedSizeInBits() == 128; 72 } 73 74 bool EVT::isExtended256BitVector() const { 75 return isExtendedVector() && getExtendedSizeInBits() == 256; 76 } 77 78 bool EVT::isExtended512BitVector() const { 79 return isExtendedVector() && getExtendedSizeInBits() == 512; 80 } 81 82 bool EVT::isExtended1024BitVector() const { 83 return isExtendedVector() && getExtendedSizeInBits() == 1024; 84 } 85 86 EVT EVT::getExtendedVectorElementType() const { 87 assert(isExtended() && "Type is not extended!"); 88 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType()); 89 } 90 91 unsigned EVT::getExtendedVectorNumElements() const { 92 assert(isExtended() && "Type is not extended!"); 93 return cast<VectorType>(LLVMTy)->getNumElements(); 94 } 95 96 unsigned EVT::getExtendedSizeInBits() const { 97 assert(isExtended() && "Type is not extended!"); 98 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy)) 99 return ITy->getBitWidth(); 100 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy)) 101 return VTy->getBitWidth(); 102 llvm_unreachable("Unrecognized extended type!"); 103 } 104 105 /// getEVTString - This function returns value type as a string, e.g. "i32". 106 std::string EVT::getEVTString() const { 107 switch (V.SimpleTy) { 108 default: 109 if (isVector()) 110 return "v" + utostr(getVectorNumElements()) + 111 getVectorElementType().getEVTString(); 112 if (isInteger()) 113 return "i" + utostr(getSizeInBits()); 114 llvm_unreachable("Invalid EVT!"); 115 case MVT::i1: return "i1"; 116 case MVT::i8: return "i8"; 117 case MVT::i16: return "i16"; 118 case MVT::i32: return "i32"; 119 case MVT::i64: return "i64"; 120 case MVT::i128: return "i128"; 121 case MVT::f16: return "f16"; 122 case MVT::f32: return "f32"; 123 case MVT::f64: return "f64"; 124 case MVT::f80: return "f80"; 125 case MVT::f128: return "f128"; 126 case MVT::ppcf128: return "ppcf128"; 127 case MVT::isVoid: return "isVoid"; 128 case MVT::Other: return "ch"; 129 case MVT::Glue: return "glue"; 130 case MVT::x86mmx: return "x86mmx"; 131 case MVT::v2i1: return "v2i1"; 132 case MVT::v4i1: return "v4i1"; 133 case MVT::v8i1: return "v8i1"; 134 case MVT::v16i1: return "v16i1"; 135 case MVT::v32i1: return "v32i1"; 136 case MVT::v64i1: return "v64i1"; 137 case MVT::v2i8: return "v2i8"; 138 case MVT::v4i8: return "v4i8"; 139 case MVT::v8i8: return "v8i8"; 140 case MVT::v16i8: return "v16i8"; 141 case MVT::v32i8: return "v32i8"; 142 case MVT::v64i8: return "v64i8"; 143 case MVT::v1i16: return "v1i16"; 144 case MVT::v2i16: return "v2i16"; 145 case MVT::v4i16: return "v4i16"; 146 case MVT::v8i16: return "v8i16"; 147 case MVT::v16i16: return "v16i16"; 148 case MVT::v32i16: return "v32i16"; 149 case MVT::v1i32: return "v1i32"; 150 case MVT::v2i32: return "v2i32"; 151 case MVT::v4i32: return "v4i32"; 152 case MVT::v8i32: return "v8i32"; 153 case MVT::v16i32: return "v16i32"; 154 case MVT::v1i64: return "v1i64"; 155 case MVT::v2i64: return "v2i64"; 156 case MVT::v4i64: return "v4i64"; 157 case MVT::v8i64: return "v8i64"; 158 case MVT::v16i64: return "v16i64"; 159 case MVT::v2f32: return "v2f32"; 160 case MVT::v2f16: return "v2f16"; 161 case MVT::v4f32: return "v4f32"; 162 case MVT::v8f32: return "v8f32"; 163 case MVT::v16f32: return "v16f32"; 164 case MVT::v2f64: return "v2f64"; 165 case MVT::v4f64: return "v4f64"; 166 case MVT::v8f64: return "v8f64"; 167 case MVT::Metadata:return "Metadata"; 168 case MVT::Untyped: return "Untyped"; 169 } 170 } 171 172 /// getTypeForEVT - This method returns an LLVM type corresponding to the 173 /// specified EVT. For integer types, this returns an unsigned type. Note 174 /// that this will abort for types that cannot be represented. 175 Type *EVT::getTypeForEVT(LLVMContext &Context) const { 176 switch (V.SimpleTy) { 177 default: 178 assert(isExtended() && "Type is not extended!"); 179 return LLVMTy; 180 case MVT::isVoid: return Type::getVoidTy(Context); 181 case MVT::i1: return Type::getInt1Ty(Context); 182 case MVT::i8: return Type::getInt8Ty(Context); 183 case MVT::i16: return Type::getInt16Ty(Context); 184 case MVT::i32: return Type::getInt32Ty(Context); 185 case MVT::i64: return Type::getInt64Ty(Context); 186 case MVT::i128: return IntegerType::get(Context, 128); 187 case MVT::f16: return Type::getHalfTy(Context); 188 case MVT::f32: return Type::getFloatTy(Context); 189 case MVT::f64: return Type::getDoubleTy(Context); 190 case MVT::f80: return Type::getX86_FP80Ty(Context); 191 case MVT::f128: return Type::getFP128Ty(Context); 192 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context); 193 case MVT::x86mmx: return Type::getX86_MMXTy(Context); 194 case MVT::v2i1: return VectorType::get(Type::getInt1Ty(Context), 2); 195 case MVT::v4i1: return VectorType::get(Type::getInt1Ty(Context), 4); 196 case MVT::v8i1: return VectorType::get(Type::getInt1Ty(Context), 8); 197 case MVT::v16i1: return VectorType::get(Type::getInt1Ty(Context), 16); 198 case MVT::v32i1: return VectorType::get(Type::getInt1Ty(Context), 32); 199 case MVT::v64i1: return VectorType::get(Type::getInt1Ty(Context), 64); 200 case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2); 201 case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4); 202 case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8); 203 case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16); 204 case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32); 205 case MVT::v64i8: return VectorType::get(Type::getInt8Ty(Context), 64); 206 case MVT::v1i16: return VectorType::get(Type::getInt16Ty(Context), 1); 207 case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2); 208 case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4); 209 case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8); 210 case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16); 211 case MVT::v32i16: return VectorType::get(Type::getInt16Ty(Context), 32); 212 case MVT::v1i32: return VectorType::get(Type::getInt32Ty(Context), 1); 213 case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2); 214 case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4); 215 case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8); 216 case MVT::v16i32: return VectorType::get(Type::getInt32Ty(Context), 16); 217 case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1); 218 case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2); 219 case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4); 220 case MVT::v8i64: return VectorType::get(Type::getInt64Ty(Context), 8); 221 case MVT::v16i64: return VectorType::get(Type::getInt64Ty(Context), 16); 222 case MVT::v2f16: return VectorType::get(Type::getHalfTy(Context), 2); 223 case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2); 224 case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4); 225 case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8); 226 case MVT::v16f32: return VectorType::get(Type::getFloatTy(Context), 16); 227 case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2); 228 case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4); 229 case MVT::v8f64: return VectorType::get(Type::getDoubleTy(Context), 8); 230 case MVT::Metadata: return Type::getMetadataTy(Context); 231 } 232 } 233 234 /// Return the value type corresponding to the specified type. This returns all 235 /// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned 236 /// as Other, otherwise they are invalid. 237 MVT MVT::getVT(Type *Ty, bool HandleUnknown){ 238 switch (Ty->getTypeID()) { 239 default: 240 if (HandleUnknown) return MVT(MVT::Other); 241 llvm_unreachable("Unknown type!"); 242 case Type::VoidTyID: 243 return MVT::isVoid; 244 case Type::IntegerTyID: 245 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth()); 246 case Type::HalfTyID: return MVT(MVT::f16); 247 case Type::FloatTyID: return MVT(MVT::f32); 248 case Type::DoubleTyID: return MVT(MVT::f64); 249 case Type::X86_FP80TyID: return MVT(MVT::f80); 250 case Type::X86_MMXTyID: return MVT(MVT::x86mmx); 251 case Type::FP128TyID: return MVT(MVT::f128); 252 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128); 253 case Type::PointerTyID: return MVT(MVT::iPTR); 254 case Type::VectorTyID: { 255 VectorType *VTy = cast<VectorType>(Ty); 256 return getVectorVT( 257 getVT(VTy->getElementType(), false), VTy->getNumElements()); 258 } 259 } 260 } 261 262 /// getEVT - Return the value type corresponding to the specified type. This 263 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types 264 /// are returned as Other, otherwise they are invalid. 265 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){ 266 switch (Ty->getTypeID()) { 267 default: 268 return MVT::getVT(Ty, HandleUnknown); 269 case Type::IntegerTyID: 270 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth()); 271 case Type::VectorTyID: { 272 VectorType *VTy = cast<VectorType>(Ty); 273 return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false), 274 VTy->getNumElements()); 275 } 276 } 277 } 278
