1 //===----------- ValueTypes.cpp - Implementation of EVT methods -----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements methods in the CodeGen/ValueTypes.h header.
12 //===----------------------------------------------------------------------===//
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"
22 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
24 VT.LLVMTy = IntegerType::get(Context, BitWidth);
25 assert(VT.isExtended() && "Type is not extended!");
29 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT,
30 unsigned NumElements) {
32 ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), NumElements);
33 assert(ResultVT.isExtended() && "Type is not extended!");
37 bool EVT::isExtendedFloatingPoint() const {
38 assert(isExtended() && "Type is not extended!");
39 return LLVMTy->isFPOrFPVectorTy();
42 bool EVT::isExtendedInteger() const {
43 assert(isExtended() && "Type is not extended!");
44 return LLVMTy->isIntOrIntVectorTy();
47 bool EVT::isExtendedVector() const {
48 assert(isExtended() && "Type is not extended!");
49 return LLVMTy->isVectorTy();
52 bool EVT::isExtended64BitVector() const {
53 return isExtendedVector() && getSizeInBits() == 64;
56 bool EVT::isExtended128BitVector() const {
57 return isExtendedVector() && getSizeInBits() == 128;
60 bool EVT::isExtended256BitVector() const {
61 return isExtendedVector() && getSizeInBits() == 256;
64 EVT EVT::getExtendedVectorElementType() const {
65 assert(isExtended() && "Type is not extended!");
66 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
69 unsigned EVT::getExtendedVectorNumElements() const {
70 assert(isExtended() && "Type is not extended!");
71 return cast<VectorType>(LLVMTy)->getNumElements();
74 unsigned EVT::getExtendedSizeInBits() const {
75 assert(isExtended() && "Type is not extended!");
76 if (const IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
77 return ITy->getBitWidth();
78 if (const VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
79 return VTy->getBitWidth();
80 assert(false && "Unrecognized extended type!");
81 return 0; // Suppress warnings.
84 /// getEVTString - This function returns value type as a string, e.g. "i32".
85 std::string EVT::getEVTString() const {
89 return "v" + utostr(getVectorNumElements()) +
90 getVectorElementType().getEVTString();
92 return "i" + utostr(getSizeInBits());
93 llvm_unreachable("Invalid EVT!");
95 case MVT::i1: return "i1";
96 case MVT::i8: return "i8";
97 case MVT::i16: return "i16";
98 case MVT::i32: return "i32";
99 case MVT::i64: return "i64";
100 case MVT::i128: return "i128";
101 case MVT::f32: return "f32";
102 case MVT::f64: return "f64";
103 case MVT::f80: return "f80";
104 case MVT::f128: return "f128";
105 case MVT::ppcf128: return "ppcf128";
106 case MVT::isVoid: return "isVoid";
107 case MVT::Other: return "ch";
108 case MVT::Flag: return "flag";
109 case MVT::v2i8: return "v2i8";
110 case MVT::v4i8: return "v4i8";
111 case MVT::v8i8: return "v8i8";
112 case MVT::v16i8: return "v16i8";
113 case MVT::v32i8: return "v32i8";
114 case MVT::v2i16: return "v2i16";
115 case MVT::v4i16: return "v4i16";
116 case MVT::v8i16: return "v8i16";
117 case MVT::v16i16: return "v16i16";
118 case MVT::v2i32: return "v2i32";
119 case MVT::v4i32: return "v4i32";
120 case MVT::v8i32: return "v8i32";
121 case MVT::v1i64: return "v1i64";
122 case MVT::v2i64: return "v2i64";
123 case MVT::v4i64: return "v4i64";
124 case MVT::v2f32: return "v2f32";
125 case MVT::v4f32: return "v4f32";
126 case MVT::v8f32: return "v8f32";
127 case MVT::v2f64: return "v2f64";
128 case MVT::v4f64: return "v4f64";
132 /// getTypeForEVT - This method returns an LLVM type corresponding to the
133 /// specified EVT. For integer types, this returns an unsigned type. Note
134 /// that this will abort for types that cannot be represented.
135 const Type *EVT::getTypeForEVT(LLVMContext &Context) const {
136 switch (V.SimpleTy) {
138 assert(isExtended() && "Type is not extended!");
140 case MVT::isVoid: return Type::getVoidTy(Context);
141 case MVT::i1: return Type::getInt1Ty(Context);
142 case MVT::i8: return Type::getInt8Ty(Context);
143 case MVT::i16: return Type::getInt16Ty(Context);
144 case MVT::i32: return Type::getInt32Ty(Context);
145 case MVT::i64: return Type::getInt64Ty(Context);
146 case MVT::i128: return IntegerType::get(Context, 128);
147 case MVT::f32: return Type::getFloatTy(Context);
148 case MVT::f64: return Type::getDoubleTy(Context);
149 case MVT::f80: return Type::getX86_FP80Ty(Context);
150 case MVT::f128: return Type::getFP128Ty(Context);
151 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
152 case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2);
153 case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4);
154 case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8);
155 case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16);
156 case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32);
157 case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2);
158 case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4);
159 case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8);
160 case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16);
161 case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2);
162 case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4);
163 case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8);
164 case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1);
165 case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2);
166 case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4);
167 case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2);
168 case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4);
169 case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8);
170 case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2);
171 case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4);
172 case MVT::Metadata: return Type::getMetadataTy(Context);
176 /// getEVT - Return the value type corresponding to the specified type. This
177 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
178 /// are returned as Other, otherwise they are invalid.
179 EVT EVT::getEVT(const Type *Ty, bool HandleUnknown){
180 switch (Ty->getTypeID()) {
182 if (HandleUnknown) return MVT(MVT::Other);
183 llvm_unreachable("Unknown type!");
187 case Type::IntegerTyID:
188 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
189 case Type::FloatTyID: return MVT(MVT::f32);
190 case Type::DoubleTyID: return MVT(MVT::f64);
191 case Type::X86_FP80TyID: return MVT(MVT::f80);
192 case Type::FP128TyID: return MVT(MVT::f128);
193 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
194 case Type::PointerTyID: return MVT(MVT::iPTR);
195 case Type::VectorTyID: {
196 const VectorType *VTy = cast<VectorType>(Ty);
197 return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false),
198 VTy->getNumElements());