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"
21 MVT MVT::getExtendedIntegerVT(unsigned BitWidth) {
23 VT.LLVMTy = getGlobalContext().getIntegerType(BitWidth);
24 assert(VT.isExtended() && "Type is not extended!");
28 MVT MVT::getExtendedVectorVT(MVT VT, unsigned NumElements) {
30 ResultVT.LLVMTy = getGlobalContext().getVectorType(
31 VT.getTypeForMVT(getGlobalContext()),
33 assert(ResultVT.isExtended() && "Type is not extended!");
37 bool MVT::isExtendedFloatingPoint() const {
38 assert(isExtended() && "Type is not extended!");
39 return LLVMTy->isFPOrFPVector();
42 bool MVT::isExtendedInteger() const {
43 assert(isExtended() && "Type is not extended!");
44 return LLVMTy->isIntOrIntVector();
47 bool MVT::isExtendedVector() const {
48 assert(isExtended() && "Type is not extended!");
49 return isa<VectorType>(LLVMTy);
52 bool MVT::isExtended64BitVector() const {
53 return isExtendedVector() && getSizeInBits() == 64;
56 bool MVT::isExtended128BitVector() const {
57 return isExtendedVector() && getSizeInBits() == 128;
60 bool MVT::isExtended256BitVector() const {
61 return isExtendedVector() && getSizeInBits() == 256;
64 MVT MVT::getExtendedVectorElementType() const {
65 assert(isExtended() && "Type is not extended!");
66 return MVT::getMVT(cast<VectorType>(LLVMTy)->getElementType());
69 unsigned MVT::getExtendedVectorNumElements() const {
70 assert(isExtended() && "Type is not extended!");
71 return cast<VectorType>(LLVMTy)->getNumElements();
74 unsigned MVT::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 /// getMVTString - This function returns value type as a string, e.g. "i32".
85 std::string MVT::getMVTString() const {
89 return "v" + utostr(getVectorNumElements()) +
90 getVectorElementType().getMVTString();
92 return "i" + utostr(getSizeInBits());
93 assert(0 && "Invalid MVT!");
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::v3i32: return "v3i32";
120 case MVT::v4i32: return "v4i32";
121 case MVT::v8i32: return "v8i32";
122 case MVT::v1i64: return "v1i64";
123 case MVT::v2i64: return "v2i64";
124 case MVT::v4i64: return "v4i64";
125 case MVT::v2f32: return "v2f32";
126 case MVT::v3f32: return "v3f32";
127 case MVT::v4f32: return "v4f32";
128 case MVT::v8f32: return "v8f32";
129 case MVT::v2f64: return "v2f64";
130 case MVT::v4f64: return "v4f64";
134 /// getTypeForMVT - This method returns an LLVM type corresponding to the
135 /// specified MVT. For integer types, this returns an unsigned type. Note
136 /// that this will abort for types that cannot be represented.
137 const Type *MVT::getTypeForMVT(LLVMContext &Context) const {
140 assert(isExtended() && "Type is not extended!");
142 case MVT::isVoid: return Type::VoidTy;
143 case MVT::i1: return Type::Int1Ty;
144 case MVT::i8: return Type::Int8Ty;
145 case MVT::i16: return Type::Int16Ty;
146 case MVT::i32: return Type::Int32Ty;
147 case MVT::i64: return Type::Int64Ty;
148 case MVT::i128: return Context.getIntegerType(128);
149 case MVT::f32: return Type::FloatTy;
150 case MVT::f64: return Type::DoubleTy;
151 case MVT::f80: return Type::X86_FP80Ty;
152 case MVT::f128: return Type::FP128Ty;
153 case MVT::ppcf128: return Type::PPC_FP128Ty;
154 case MVT::v2i8: return Context.getVectorType(Type::Int8Ty, 2);
155 case MVT::v4i8: return Context.getVectorType(Type::Int8Ty, 4);
156 case MVT::v8i8: return Context.getVectorType(Type::Int8Ty, 8);
157 case MVT::v16i8: return Context.getVectorType(Type::Int8Ty, 16);
158 case MVT::v32i8: return Context.getVectorType(Type::Int8Ty, 32);
159 case MVT::v2i16: return Context.getVectorType(Type::Int16Ty, 2);
160 case MVT::v4i16: return Context.getVectorType(Type::Int16Ty, 4);
161 case MVT::v8i16: return Context.getVectorType(Type::Int16Ty, 16);
162 case MVT::v16i16: return Context.getVectorType(Type::Int16Ty, 8);
163 case MVT::v2i32: return Context.getVectorType(Type::Int32Ty, 2);
164 case MVT::v3i32: return Context.getVectorType(Type::Int32Ty, 3);
165 case MVT::v4i32: return Context.getVectorType(Type::Int32Ty, 4);
166 case MVT::v8i32: return Context.getVectorType(Type::Int32Ty, 8);
167 case MVT::v1i64: return Context.getVectorType(Type::Int64Ty, 1);
168 case MVT::v2i64: return Context.getVectorType(Type::Int64Ty, 2);
169 case MVT::v4i64: return Context.getVectorType(Type::Int64Ty, 4);
170 case MVT::v2f32: return Context.getVectorType(Type::FloatTy, 2);
171 case MVT::v3f32: return Context.getVectorType(Type::FloatTy, 3);
172 case MVT::v4f32: return Context.getVectorType(Type::FloatTy, 4);
173 case MVT::v8f32: return Context.getVectorType(Type::FloatTy, 8);
174 case MVT::v2f64: return Context.getVectorType(Type::DoubleTy, 2);
175 case MVT::v4f64: return Context.getVectorType(Type::DoubleTy, 4);
179 /// getMVT - Return the value type corresponding to the specified type. This
180 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
181 /// are returned as Other, otherwise they are invalid.
182 MVT MVT::getMVT(const Type *Ty, bool HandleUnknown){
183 switch (Ty->getTypeID()) {
185 if (HandleUnknown) return MVT::Other;
186 assert(0 && "Unknown type!");
190 case Type::IntegerTyID:
191 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
192 case Type::FloatTyID: return MVT::f32;
193 case Type::DoubleTyID: return MVT::f64;
194 case Type::X86_FP80TyID: return MVT::f80;
195 case Type::FP128TyID: return MVT::f128;
196 case Type::PPC_FP128TyID: return MVT::ppcf128;
197 case Type::PointerTyID: return MVT::iPTR;
198 case Type::VectorTyID: {
199 const VectorType *VTy = cast<VectorType>(Ty);
200 return getVectorVT(getMVT(VTy->getElementType(), false),
201 VTy->getNumElements());