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);
26 MVT MVT::getExtendedVectorVT(MVT VT, unsigned NumElements) {
28 ResultVT.LLVMTy = VectorType::get(VT.getTypeForMVT(), NumElements);
32 bool MVT::isExtendedFloatingPoint() const {
33 assert(isExtended() && "Type is not extended!");
34 return LLVMTy->isFPOrFPVector();
37 bool MVT::isExtendedInteger() const {
38 assert(isExtended() && "Type is not extended!");
39 return LLVMTy->isIntOrIntVector();
42 bool MVT::isExtendedVector() const {
43 assert(isExtended() && "Type is not extended!");
44 return isa<VectorType>(LLVMTy);
47 bool MVT::isExtended64BitVector() const {
48 return isExtendedVector() && getSizeInBits() == 64;
51 bool MVT::isExtended128BitVector() const {
52 return isExtendedVector() && getSizeInBits() == 128;
55 MVT MVT::getExtendedVectorElementType() const {
56 assert(isExtended() && "Type is not extended!");
57 return MVT::getMVT(cast<VectorType>(LLVMTy)->getElementType());
60 unsigned MVT::getExtendedVectorNumElements() const {
61 assert(isExtended() && "Type is not extended!");
62 return cast<VectorType>(LLVMTy)->getNumElements();
65 unsigned MVT::getExtendedSizeInBits() const {
66 assert(isExtended() && "Type is not extended!");
67 if (const IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
68 return ITy->getBitWidth();
69 if (const VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
70 return VTy->getBitWidth();
71 assert(false && "Unrecognized extended type!");
74 /// getMVTString - This function returns value type as a string, e.g. "i32".
75 std::string MVT::getMVTString() const {
79 return "v" + utostr(getVectorNumElements()) +
80 getVectorElementType().getMVTString();
82 return "i" + utostr(getSizeInBits());
83 assert(0 && "Invalid MVT!");
85 case MVT::i1: return "i1";
86 case MVT::i8: return "i8";
87 case MVT::i16: return "i16";
88 case MVT::i32: return "i32";
89 case MVT::i64: return "i64";
90 case MVT::i128: return "i128";
91 case MVT::f32: return "f32";
92 case MVT::f64: return "f64";
93 case MVT::f80: return "f80";
94 case MVT::f128: return "f128";
95 case MVT::ppcf128: return "ppcf128";
96 case MVT::isVoid: return "isVoid";
97 case MVT::Other: return "ch";
98 case MVT::Flag: return "flag";
99 case MVT::v8i8: return "v8i8";
100 case MVT::v4i16: return "v4i16";
101 case MVT::v2i32: return "v2i32";
102 case MVT::v1i64: return "v1i64";
103 case MVT::v16i8: return "v16i8";
104 case MVT::v8i16: return "v8i16";
105 case MVT::v4i32: return "v4i32";
106 case MVT::v2i64: return "v2i64";
107 case MVT::v2f32: return "v2f32";
108 case MVT::v4f32: return "v4f32";
109 case MVT::v2f64: return "v2f64";
110 case MVT::v3i32: return "v3i32";
111 case MVT::v3f32: return "v3f32";
115 /// getTypeForMVT - This method returns an LLVM type corresponding to the
116 /// specified MVT. For integer types, this returns an unsigned type. Note
117 /// that this will abort for types that cannot be represented.
118 const Type *MVT::getTypeForMVT() const {
122 return VectorType::get(getVectorElementType().getTypeForMVT(),
123 getVectorNumElements());
125 return IntegerType::get(getSizeInBits());
126 assert(0 && "MVT does not correspond to LLVM type!");
128 case MVT::isVoid: return Type::VoidTy;
129 case MVT::i1: return Type::Int1Ty;
130 case MVT::i8: return Type::Int8Ty;
131 case MVT::i16: return Type::Int16Ty;
132 case MVT::i32: return Type::Int32Ty;
133 case MVT::i64: return Type::Int64Ty;
134 case MVT::i128: return IntegerType::get(128);
135 case MVT::f32: return Type::FloatTy;
136 case MVT::f64: return Type::DoubleTy;
137 case MVT::f80: return Type::X86_FP80Ty;
138 case MVT::f128: return Type::FP128Ty;
139 case MVT::ppcf128: return Type::PPC_FP128Ty;
140 case MVT::v8i8: return VectorType::get(Type::Int8Ty, 8);
141 case MVT::v4i16: return VectorType::get(Type::Int16Ty, 4);
142 case MVT::v2i32: return VectorType::get(Type::Int32Ty, 2);
143 case MVT::v1i64: return VectorType::get(Type::Int64Ty, 1);
144 case MVT::v16i8: return VectorType::get(Type::Int8Ty, 16);
145 case MVT::v8i16: return VectorType::get(Type::Int16Ty, 8);
146 case MVT::v4i32: return VectorType::get(Type::Int32Ty, 4);
147 case MVT::v2i64: return VectorType::get(Type::Int64Ty, 2);
148 case MVT::v2f32: return VectorType::get(Type::FloatTy, 2);
149 case MVT::v4f32: return VectorType::get(Type::FloatTy, 4);
150 case MVT::v2f64: return VectorType::get(Type::DoubleTy, 2);
151 case MVT::v3i32: return VectorType::get(Type::Int32Ty, 3);
152 case MVT::v3f32: return VectorType::get(Type::FloatTy, 3);
156 /// getMVT - Return the value type corresponding to the specified type. This
157 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
158 /// are returned as Other, otherwise they are invalid.
159 MVT MVT::getMVT(const Type *Ty, bool HandleUnknown){
160 switch (Ty->getTypeID()) {
162 if (HandleUnknown) return MVT::Other;
163 assert(0 && "Unknown type!");
167 case Type::IntegerTyID:
168 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
169 case Type::FloatTyID: return MVT::f32;
170 case Type::DoubleTyID: return MVT::f64;
171 case Type::X86_FP80TyID: return MVT::f80;
172 case Type::FP128TyID: return MVT::f128;
173 case Type::PPC_FP128TyID: return MVT::ppcf128;
174 case Type::PointerTyID: return MVT::iPTR;
175 case Type::VectorTyID: {
176 const VectorType *VTy = cast<VectorType>(Ty);
177 return getVectorVT(getMVT(VTy->getElementType(), false),
178 VTy->getNumElements());