1 //===----------- ValueTypes.cpp - Implementation of MVT 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 MVT MVT::getExtendedIntegerVT(unsigned BitWidth) {
24 VT.LLVMTy = getGlobalContext().getIntegerType(BitWidth);
25 assert(VT.isExtended() && "Type is not extended!");
29 MVT MVT::getExtendedVectorVT(MVT VT, unsigned NumElements) {
31 ResultVT.LLVMTy = getGlobalContext().getVectorType(
32 VT.getTypeForMVT(getGlobalContext()),
34 assert(ResultVT.isExtended() && "Type is not extended!");
38 bool MVT::isExtendedFloatingPoint() const {
39 assert(isExtended() && "Type is not extended!");
40 return LLVMTy->isFPOrFPVector();
43 bool MVT::isExtendedInteger() const {
44 assert(isExtended() && "Type is not extended!");
45 return LLVMTy->isIntOrIntVector();
48 bool MVT::isExtendedVector() const {
49 assert(isExtended() && "Type is not extended!");
50 return isa<VectorType>(LLVMTy);
53 bool MVT::isExtended64BitVector() const {
54 return isExtendedVector() && getSizeInBits() == 64;
57 bool MVT::isExtended128BitVector() const {
58 return isExtendedVector() && getSizeInBits() == 128;
61 bool MVT::isExtended256BitVector() const {
62 return isExtendedVector() && getSizeInBits() == 256;
65 MVT MVT::getExtendedVectorElementType() const {
66 assert(isExtended() && "Type is not extended!");
67 return MVT::getMVT(cast<VectorType>(LLVMTy)->getElementType());
70 unsigned MVT::getExtendedVectorNumElements() const {
71 assert(isExtended() && "Type is not extended!");
72 return cast<VectorType>(LLVMTy)->getNumElements();
75 unsigned MVT::getExtendedSizeInBits() const {
76 assert(isExtended() && "Type is not extended!");
77 if (const IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
78 return ITy->getBitWidth();
79 if (const VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
80 return VTy->getBitWidth();
81 assert(false && "Unrecognized extended type!");
82 return 0; // Suppress warnings.
85 /// getMVTString - This function returns value type as a string, e.g. "i32".
86 std::string MVT::getMVTString() const {
90 return "v" + utostr(getVectorNumElements()) +
91 getVectorElementType().getMVTString();
93 return "i" + utostr(getSizeInBits());
94 LLVM_UNREACHABLE("Invalid MVT!");
96 case MVT::i1: return "i1";
97 case MVT::i8: return "i8";
98 case MVT::i16: return "i16";
99 case MVT::i32: return "i32";
100 case MVT::i64: return "i64";
101 case MVT::i128: return "i128";
102 case MVT::f32: return "f32";
103 case MVT::f64: return "f64";
104 case MVT::f80: return "f80";
105 case MVT::f128: return "f128";
106 case MVT::ppcf128: return "ppcf128";
107 case MVT::isVoid: return "isVoid";
108 case MVT::Other: return "ch";
109 case MVT::Flag: return "flag";
110 case MVT::v2i8: return "v2i8";
111 case MVT::v4i8: return "v4i8";
112 case MVT::v8i8: return "v8i8";
113 case MVT::v16i8: return "v16i8";
114 case MVT::v24i8: return "v24i8";
115 case MVT::v32i8: return "v32i8";
116 case MVT::v48i8: return "v48i8";
117 case MVT::v64i8: return "v64i8";
118 case MVT::v2i16: return "v2i16";
119 case MVT::v4i16: return "v4i16";
120 case MVT::v8i16: return "v8i16";
121 case MVT::v12i16: return "v12i16";
122 case MVT::v16i16: return "v16i16";
123 case MVT::v24i16: return "v24i16";
124 case MVT::v32i16: return "v32i16";
125 case MVT::v2i32: return "v2i32";
126 case MVT::v3i32: return "v3i32";
127 case MVT::v4i32: return "v4i32";
128 case MVT::v6i32: return "v6i32";
129 case MVT::v8i32: return "v8i32";
130 case MVT::v12i32: return "v12i32";
131 case MVT::v16i32: return "v16i32";
132 case MVT::v1i64: return "v1i64";
133 case MVT::v2i64: return "v2i64";
134 case MVT::v3i64: return "v3i64";
135 case MVT::v4i64: return "v4i64";
136 case MVT::v6i64: return "v6i64";
137 case MVT::v8i64: return "v8i64";
138 case MVT::v2f32: return "v2f32";
139 case MVT::v3f32: return "v3f32";
140 case MVT::v4f32: return "v4f32";
141 case MVT::v6f32: return "v6f32";
142 case MVT::v8f32: return "v8f32";
143 case MVT::v12f32: return "v12f32";
144 case MVT::v16f32: return "v16f32";
145 case MVT::v2f64: return "v2f64";
146 case MVT::v4f64: return "v4f64";
150 /// getTypeForMVT - This method returns an LLVM type corresponding to the
151 /// specified MVT. For integer types, this returns an unsigned type. Note
152 /// that this will abort for types that cannot be represented.
153 const Type *MVT::getTypeForMVT(LLVMContext &Context) const {
156 assert(isExtended() && "Type is not extended!");
158 case MVT::isVoid: return Type::VoidTy;
159 case MVT::i1: return Type::Int1Ty;
160 case MVT::i8: return Type::Int8Ty;
161 case MVT::i16: return Type::Int16Ty;
162 case MVT::i32: return Type::Int32Ty;
163 case MVT::i64: return Type::Int64Ty;
164 case MVT::i128: return Context.getIntegerType(128);
165 case MVT::f32: return Type::FloatTy;
166 case MVT::f64: return Type::DoubleTy;
167 case MVT::f80: return Type::X86_FP80Ty;
168 case MVT::f128: return Type::FP128Ty;
169 case MVT::ppcf128: return Type::PPC_FP128Ty;
170 case MVT::v2i8: return Context.getVectorType(Type::Int8Ty, 2);
171 case MVT::v4i8: return Context.getVectorType(Type::Int8Ty, 4);
172 case MVT::v8i8: return Context.getVectorType(Type::Int8Ty, 8);
173 case MVT::v16i8: return Context.getVectorType(Type::Int8Ty, 16);
174 case MVT::v24i8: return Context.getVectorType(Type::Int8Ty, 24);
175 case MVT::v32i8: return Context.getVectorType(Type::Int8Ty, 32);
176 case MVT::v48i8: return Context.getVectorType(Type::Int8Ty, 48);
177 case MVT::v64i8: return Context.getVectorType(Type::Int8Ty, 64);
178 case MVT::v2i16: return Context.getVectorType(Type::Int16Ty, 2);
179 case MVT::v4i16: return Context.getVectorType(Type::Int16Ty, 4);
180 case MVT::v8i16: return Context.getVectorType(Type::Int16Ty, 8);
181 case MVT::v12i16: return Context.getVectorType(Type::Int16Ty, 12);
182 case MVT::v16i16: return Context.getVectorType(Type::Int16Ty, 16);
183 case MVT::v24i16: return Context.getVectorType(Type::Int16Ty, 24);
184 case MVT::v32i16: return Context.getVectorType(Type::Int16Ty, 32);
185 case MVT::v2i32: return Context.getVectorType(Type::Int32Ty, 2);
186 case MVT::v3i32: return Context.getVectorType(Type::Int32Ty, 3);
187 case MVT::v4i32: return Context.getVectorType(Type::Int32Ty, 4);
188 case MVT::v6i32: return Context.getVectorType(Type::Int32Ty, 6);
189 case MVT::v8i32: return Context.getVectorType(Type::Int32Ty, 8);
190 case MVT::v12i32: return Context.getVectorType(Type::Int32Ty, 12);
191 case MVT::v16i32: return Context.getVectorType(Type::Int32Ty, 16);
192 case MVT::v1i64: return Context.getVectorType(Type::Int64Ty, 1);
193 case MVT::v2i64: return Context.getVectorType(Type::Int64Ty, 2);
194 case MVT::v3i64: return Context.getVectorType(Type::Int64Ty, 3);
195 case MVT::v4i64: return Context.getVectorType(Type::Int64Ty, 4);
196 case MVT::v6i64: return Context.getVectorType(Type::Int64Ty, 6);
197 case MVT::v8i64: return Context.getVectorType(Type::Int64Ty, 8);
198 case MVT::v2f32: return Context.getVectorType(Type::FloatTy, 2);
199 case MVT::v3f32: return Context.getVectorType(Type::FloatTy, 3);
200 case MVT::v4f32: return Context.getVectorType(Type::FloatTy, 4);
201 case MVT::v6f32: return Context.getVectorType(Type::FloatTy, 6);
202 case MVT::v8f32: return Context.getVectorType(Type::FloatTy, 8);
203 case MVT::v12f32: return Context.getVectorType(Type::FloatTy, 12);
204 case MVT::v16f32: return Context.getVectorType(Type::FloatTy, 16);
205 case MVT::v2f64: return Context.getVectorType(Type::DoubleTy, 2);
206 case MVT::v4f64: return Context.getVectorType(Type::DoubleTy, 4);
210 /// getMVT - Return the value type corresponding to the specified type. This
211 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
212 /// are returned as Other, otherwise they are invalid.
213 MVT MVT::getMVT(const Type *Ty, bool HandleUnknown){
214 switch (Ty->getTypeID()) {
216 if (HandleUnknown) return MVT::Other;
217 LLVM_UNREACHABLE("Unknown type!");
221 case Type::IntegerTyID:
222 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
223 case Type::FloatTyID: return MVT::f32;
224 case Type::DoubleTyID: return MVT::f64;
225 case Type::X86_FP80TyID: return MVT::f80;
226 case Type::FP128TyID: return MVT::f128;
227 case Type::PPC_FP128TyID: return MVT::ppcf128;
228 case Type::PointerTyID: return MVT::iPTR;
229 case Type::VectorTyID: {
230 const VectorType *VTy = cast<VectorType>(Ty);
231 return getVectorVT(getMVT(VTy->getElementType(), false),
232 VTy->getNumElements());