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/Type.h"
17 #include "llvm/DerivedTypes.h"
20 MVT MVT::getExtendedIntegerVT(unsigned BitWidth) {
22 VT.LLVMTy = IntegerType::get(BitWidth);
23 assert(VT.isExtended() && "Type is not extended!");
27 MVT MVT::getExtendedVectorVT(MVT VT, unsigned NumElements) {
29 ResultVT.LLVMTy = VectorType::get(VT.getTypeForMVT(), NumElements);
30 assert(ResultVT.isExtended() && "Type is not extended!");
34 bool MVT::isExtendedFloatingPoint() const {
35 assert(isExtended() && "Type is not extended!");
36 return LLVMTy->isFPOrFPVector();
39 bool MVT::isExtendedInteger() const {
40 assert(isExtended() && "Type is not extended!");
41 return LLVMTy->isIntOrIntVector();
44 bool MVT::isExtendedVector() const {
45 assert(isExtended() && "Type is not extended!");
46 return isa<VectorType>(LLVMTy);
49 bool MVT::isExtended64BitVector() const {
50 return isExtendedVector() && getSizeInBits() == 64;
53 bool MVT::isExtended128BitVector() const {
54 return isExtendedVector() && getSizeInBits() == 128;
57 MVT MVT::getExtendedVectorElementType() const {
58 assert(isExtended() && "Type is not extended!");
59 return MVT::getMVT(cast<VectorType>(LLVMTy)->getElementType());
62 unsigned MVT::getExtendedVectorNumElements() const {
63 assert(isExtended() && "Type is not extended!");
64 return cast<VectorType>(LLVMTy)->getNumElements();
67 unsigned MVT::getExtendedSizeInBits() const {
68 assert(isExtended() && "Type is not extended!");
69 if (const IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
70 return ITy->getBitWidth();
71 if (const VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
72 return VTy->getBitWidth();
73 assert(false && "Unrecognized extended type!");
74 return 0; // Suppress warnings.
77 /// getMVTString - This function returns value type as a string, e.g. "i32".
78 std::string MVT::getMVTString() const {
82 return "v" + utostr(getVectorNumElements()) +
83 getVectorElementType().getMVTString();
85 return "i" + utostr(getSizeInBits());
86 assert(0 && "Invalid MVT!");
88 case MVT::i1: return "i1";
89 case MVT::i8: return "i8";
90 case MVT::i16: return "i16";
91 case MVT::i32: return "i32";
92 case MVT::i64: return "i64";
93 case MVT::i128: return "i128";
94 case MVT::f32: return "f32";
95 case MVT::f64: return "f64";
96 case MVT::f80: return "f80";
97 case MVT::f128: return "f128";
98 case MVT::ppcf128: return "ppcf128";
99 case MVT::isVoid: return "isVoid";
100 case MVT::Other: return "ch";
101 case MVT::Flag: return "flag";
102 case MVT::v2i8: return "v2i8";
103 case MVT::v4i8: return "v4i8";
104 case MVT::v2i16: return "v2i16";
105 case MVT::v8i8: return "v8i8";
106 case MVT::v4i16: return "v4i16";
107 case MVT::v2i32: return "v2i32";
108 case MVT::v1i64: return "v1i64";
109 case MVT::v16i8: return "v16i8";
110 case MVT::v8i16: return "v8i16";
111 case MVT::v4i32: return "v4i32";
112 case MVT::v2i64: return "v2i64";
113 case MVT::v2f32: return "v2f32";
114 case MVT::v4f32: return "v4f32";
115 case MVT::v2f64: return "v2f64";
116 case MVT::v3i32: return "v3i32";
117 case MVT::v3f32: return "v3f32";
121 /// getTypeForMVT - This method returns an LLVM type corresponding to the
122 /// specified MVT. For integer types, this returns an unsigned type. Note
123 /// that this will abort for types that cannot be represented.
124 const Type *MVT::getTypeForMVT() const {
127 assert(isExtended() && "Type is not extended!");
129 case MVT::isVoid: return Type::VoidTy;
130 case MVT::i1: return Type::Int1Ty;
131 case MVT::i8: return Type::Int8Ty;
132 case MVT::i16: return Type::Int16Ty;
133 case MVT::i32: return Type::Int32Ty;
134 case MVT::i64: return Type::Int64Ty;
135 case MVT::i128: return IntegerType::get(128);
136 case MVT::f32: return Type::FloatTy;
137 case MVT::f64: return Type::DoubleTy;
138 case MVT::f80: return Type::X86_FP80Ty;
139 case MVT::f128: return Type::FP128Ty;
140 case MVT::ppcf128: return Type::PPC_FP128Ty;
141 case MVT::v2i8: return VectorType::get(Type::Int8Ty, 2);
142 case MVT::v4i8: return VectorType::get(Type::Int8Ty, 4);
143 case MVT::v2i16: return VectorType::get(Type::Int16Ty, 2);
144 case MVT::v8i8: return VectorType::get(Type::Int8Ty, 8);
145 case MVT::v4i16: return VectorType::get(Type::Int16Ty, 4);
146 case MVT::v2i32: return VectorType::get(Type::Int32Ty, 2);
147 case MVT::v1i64: return VectorType::get(Type::Int64Ty, 1);
148 case MVT::v16i8: return VectorType::get(Type::Int8Ty, 16);
149 case MVT::v8i16: return VectorType::get(Type::Int16Ty, 8);
150 case MVT::v4i32: return VectorType::get(Type::Int32Ty, 4);
151 case MVT::v2i64: return VectorType::get(Type::Int64Ty, 2);
152 case MVT::v2f32: return VectorType::get(Type::FloatTy, 2);
153 case MVT::v4f32: return VectorType::get(Type::FloatTy, 4);
154 case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2);
155 case MVT::v3i32: return VectorType::get(Type::Int32Ty, 3);
156 case MVT::v3f32: return VectorType::get(Type::FloatTy, 3);
160 /// getMVT - Return the value type corresponding to the specified type. This
161 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
162 /// are returned as Other, otherwise they are invalid.
163 MVT MVT::getMVT(const Type *Ty, bool HandleUnknown){
164 switch (Ty->getTypeID()) {
166 if (HandleUnknown) return MVT::Other;
167 assert(0 && "Unknown type!");
171 case Type::IntegerTyID:
172 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
173 case Type::FloatTyID: return MVT::f32;
174 case Type::DoubleTyID: return MVT::f64;
175 case Type::X86_FP80TyID: return MVT::f80;
176 case Type::FP128TyID: return MVT::f128;
177 case Type::PPC_FP128TyID: return MVT::ppcf128;
178 case Type::PointerTyID: return MVT::iPTR;
179 case Type::VectorTyID: {
180 const VectorType *VTy = cast<VectorType>(Ty);
181 return getVectorVT(getMVT(VTy->getElementType(), false),
182 VTy->getNumElements());