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(unsigned BitWidth) {
24 VT.LLVMTy = IntegerType::get(BitWidth);
25 assert(VT.isExtended() && "Type is not extended!");
29 EVT EVT::getExtendedVectorVT(EVT VT, unsigned NumElements) {
31 ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(), NumElements);
32 assert(ResultVT.isExtended() && "Type is not extended!");
36 bool EVT::isExtendedFloatingPoint() const {
37 assert(isExtended() && "Type is not extended!");
38 return LLVMTy->isFPOrFPVector();
41 bool EVT::isExtendedInteger() const {
42 assert(isExtended() && "Type is not extended!");
43 return LLVMTy->isIntOrIntVector();
46 bool EVT::isExtendedVector() const {
47 assert(isExtended() && "Type is not extended!");
48 return isa<VectorType>(LLVMTy);
51 bool EVT::isExtended64BitVector() const {
52 return isExtendedVector() && getSizeInBits() == 64;
55 bool EVT::isExtended128BitVector() const {
56 return isExtendedVector() && getSizeInBits() == 128;
59 bool EVT::isExtended256BitVector() const {
60 return isExtendedVector() && getSizeInBits() == 256;
63 EVT EVT::getExtendedVectorElementType() const {
64 assert(isExtended() && "Type is not extended!");
65 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
68 unsigned EVT::getExtendedVectorNumElements() const {
69 assert(isExtended() && "Type is not extended!");
70 return cast<VectorType>(LLVMTy)->getNumElements();
73 unsigned EVT::getExtendedSizeInBits() const {
74 assert(isExtended() && "Type is not extended!");
75 if (const IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
76 return ITy->getBitWidth();
77 if (const VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
78 return VTy->getBitWidth();
79 assert(false && "Unrecognized extended type!");
80 return 0; // Suppress warnings.
83 /// getEVTString - This function returns value type as a string, e.g. "i32".
84 std::string EVT::getEVTString() const {
88 return "v" + utostr(getVectorNumElements()) +
89 getVectorElementType().getEVTString();
91 return "i" + utostr(getSizeInBits());
92 llvm_unreachable("Invalid EVT!");
94 case MVT::i1: return "i1";
95 case MVT::i8: return "i8";
96 case MVT::i16: return "i16";
97 case MVT::i32: return "i32";
98 case MVT::i64: return "i64";
99 case MVT::i128: return "i128";
100 case MVT::f32: return "f32";
101 case MVT::f64: return "f64";
102 case MVT::f80: return "f80";
103 case MVT::f128: return "f128";
104 case MVT::ppcf128: return "ppcf128";
105 case MVT::isVoid: return "isVoid";
106 case MVT::Other: return "ch";
107 case MVT::Flag: return "flag";
108 case MVT::v2i8: return "v2i8";
109 case MVT::v4i8: return "v4i8";
110 case MVT::v8i8: return "v8i8";
111 case MVT::v16i8: return "v16i8";
112 case MVT::v32i8: return "v32i8";
113 case MVT::v2i16: return "v2i16";
114 case MVT::v4i16: return "v4i16";
115 case MVT::v8i16: return "v8i16";
116 case MVT::v16i16: return "v16i16";
117 case MVT::v2i32: return "v2i32";
118 case MVT::v4i32: return "v4i32";
119 case MVT::v8i32: return "v8i32";
120 case MVT::v1i64: return "v1i64";
121 case MVT::v2i64: return "v2i64";
122 case MVT::v4i64: return "v4i64";
123 case MVT::v2f32: return "v2f32";
124 case MVT::v4f32: return "v4f32";
125 case MVT::v8f32: return "v8f32";
126 case MVT::v2f64: return "v2f64";
127 case MVT::v4f64: return "v4f64";
131 /// getTypeForEVT - This method returns an LLVM type corresponding to the
132 /// specified EVT. For integer types, this returns an unsigned type. Note
133 /// that this will abort for types that cannot be represented.
134 const Type *EVT::getTypeForEVT() const {
135 switch (V.SimpleTy) {
137 assert(isExtended() && "Type is not extended!");
139 case MVT::isVoid: return Type::VoidTy;
140 case MVT::i1: return Type::Int1Ty;
141 case MVT::i8: return Type::Int8Ty;
142 case MVT::i16: return Type::Int16Ty;
143 case MVT::i32: return Type::Int32Ty;
144 case MVT::i64: return Type::Int64Ty;
145 case MVT::i128: return IntegerType::get(128);
146 case MVT::f32: return Type::FloatTy;
147 case MVT::f64: return Type::DoubleTy;
148 case MVT::f80: return Type::X86_FP80Ty;
149 case MVT::f128: return Type::FP128Ty;
150 case MVT::ppcf128: return Type::PPC_FP128Ty;
151 case MVT::v2i8: return VectorType::get(Type::Int8Ty, 2);
152 case MVT::v4i8: return VectorType::get(Type::Int8Ty, 4);
153 case MVT::v8i8: return VectorType::get(Type::Int8Ty, 8);
154 case MVT::v16i8: return VectorType::get(Type::Int8Ty, 16);
155 case MVT::v32i8: return VectorType::get(Type::Int8Ty, 32);
156 case MVT::v2i16: return VectorType::get(Type::Int16Ty, 2);
157 case MVT::v4i16: return VectorType::get(Type::Int16Ty, 4);
158 case MVT::v8i16: return VectorType::get(Type::Int16Ty, 8);
159 case MVT::v16i16: return VectorType::get(Type::Int16Ty, 16);
160 case MVT::v2i32: return VectorType::get(Type::Int32Ty, 2);
161 case MVT::v4i32: return VectorType::get(Type::Int32Ty, 4);
162 case MVT::v8i32: return VectorType::get(Type::Int32Ty, 8);
163 case MVT::v1i64: return VectorType::get(Type::Int64Ty, 1);
164 case MVT::v2i64: return VectorType::get(Type::Int64Ty, 2);
165 case MVT::v4i64: return VectorType::get(Type::Int64Ty, 4);
166 case MVT::v2f32: return VectorType::get(Type::FloatTy, 2);
167 case MVT::v4f32: return VectorType::get(Type::FloatTy, 4);
168 case MVT::v8f32: return VectorType::get(Type::FloatTy, 8);
169 case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2);
170 case MVT::v4f64: return VectorType::get(Type::DoubleTy, 4);
174 /// getEVT - Return the value type corresponding to the specified type. This
175 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
176 /// are returned as Other, otherwise they are invalid.
177 EVT EVT::getEVT(const Type *Ty, bool HandleUnknown){
178 switch (Ty->getTypeID()) {
180 if (HandleUnknown) return MVT(MVT::Other);
181 llvm_unreachable("Unknown type!");
182 return MVT(MVT::isVoid);
184 return MVT(MVT::isVoid);
185 case Type::IntegerTyID:
186 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
187 case Type::FloatTyID: return MVT(MVT::f32);
188 case Type::DoubleTyID: return MVT(MVT::f64);
189 case Type::X86_FP80TyID: return MVT(MVT::f80);
190 case Type::FP128TyID: return MVT(MVT::f128);
191 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
192 case Type::PointerTyID: return MVT(MVT::iPTR);
193 case Type::VectorTyID: {
194 const VectorType *VTy = cast<VectorType>(Ty);
195 return getVectorVT(getEVT(VTy->getElementType(), false),
196 VTy->getNumElements());