1 //===----------- ValueTypes.cpp - Implementation of EVT methods -----------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements methods in the CodeGen/ValueTypes.h header.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/CodeGen/ValueTypes.h"
15 #include "llvm/ADT/StringExtras.h"
16 #include "llvm/IR/DerivedTypes.h"
17 #include "llvm/IR/LLVMContext.h"
18 #include "llvm/IR/Type.h"
19 #include "llvm/Support/ErrorHandling.h"
20 using namespace llvm;
21
changeExtendedVectorElementTypeToInteger() const22 EVT EVT::changeExtendedVectorElementTypeToInteger() const {
23 LLVMContext &Context = LLVMTy->getContext();
24 EVT IntTy = getIntegerVT(Context, getVectorElementType().getSizeInBits());
25 return getVectorVT(Context, IntTy, getVectorNumElements());
26 }
27
getExtendedIntegerVT(LLVMContext & Context,unsigned BitWidth)28 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
29 EVT VT;
30 VT.LLVMTy = IntegerType::get(Context, BitWidth);
31 assert(VT.isExtended() && "Type is not extended!");
32 return VT;
33 }
34
getExtendedVectorVT(LLVMContext & Context,EVT VT,unsigned NumElements)35 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT,
36 unsigned NumElements) {
37 EVT ResultVT;
38 ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), NumElements);
39 assert(ResultVT.isExtended() && "Type is not extended!");
40 return ResultVT;
41 }
42
isExtendedFloatingPoint() const43 bool EVT::isExtendedFloatingPoint() const {
44 assert(isExtended() && "Type is not extended!");
45 return LLVMTy->isFPOrFPVectorTy();
46 }
47
isExtendedInteger() const48 bool EVT::isExtendedInteger() const {
49 assert(isExtended() && "Type is not extended!");
50 return LLVMTy->isIntOrIntVectorTy();
51 }
52
isExtendedVector() const53 bool EVT::isExtendedVector() const {
54 assert(isExtended() && "Type is not extended!");
55 return LLVMTy->isVectorTy();
56 }
57
isExtended16BitVector() const58 bool EVT::isExtended16BitVector() const {
59 return isExtendedVector() && getExtendedSizeInBits() == 16;
60 }
61
isExtended32BitVector() const62 bool EVT::isExtended32BitVector() const {
63 return isExtendedVector() && getExtendedSizeInBits() == 32;
64 }
65
isExtended64BitVector() const66 bool EVT::isExtended64BitVector() const {
67 return isExtendedVector() && getExtendedSizeInBits() == 64;
68 }
69
isExtended128BitVector() const70 bool EVT::isExtended128BitVector() const {
71 return isExtendedVector() && getExtendedSizeInBits() == 128;
72 }
73
isExtended256BitVector() const74 bool EVT::isExtended256BitVector() const {
75 return isExtendedVector() && getExtendedSizeInBits() == 256;
76 }
77
isExtended512BitVector() const78 bool EVT::isExtended512BitVector() const {
79 return isExtendedVector() && getExtendedSizeInBits() == 512;
80 }
81
isExtended1024BitVector() const82 bool EVT::isExtended1024BitVector() const {
83 return isExtendedVector() && getExtendedSizeInBits() == 1024;
84 }
85
getExtendedVectorElementType() const86 EVT EVT::getExtendedVectorElementType() const {
87 assert(isExtended() && "Type is not extended!");
88 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
89 }
90
getExtendedVectorNumElements() const91 unsigned EVT::getExtendedVectorNumElements() const {
92 assert(isExtended() && "Type is not extended!");
93 return cast<VectorType>(LLVMTy)->getNumElements();
94 }
95
getExtendedSizeInBits() const96 unsigned EVT::getExtendedSizeInBits() const {
97 assert(isExtended() && "Type is not extended!");
98 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
99 return ITy->getBitWidth();
100 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
101 return VTy->getBitWidth();
102 llvm_unreachable("Unrecognized extended type!");
103 }
104
105 /// getEVTString - This function returns value type as a string, e.g. "i32".
getEVTString() const106 std::string EVT::getEVTString() const {
107 switch (V.SimpleTy) {
108 default:
109 if (isVector())
110 return "v" + utostr(getVectorNumElements()) +
111 getVectorElementType().getEVTString();
112 if (isInteger())
113 return "i" + utostr(getSizeInBits());
114 llvm_unreachable("Invalid EVT!");
115 case MVT::i1: return "i1";
116 case MVT::i8: return "i8";
117 case MVT::i16: return "i16";
118 case MVT::i32: return "i32";
119 case MVT::i64: return "i64";
120 case MVT::i128: return "i128";
121 case MVT::f16: return "f16";
122 case MVT::f32: return "f32";
123 case MVT::f64: return "f64";
124 case MVT::f80: return "f80";
125 case MVT::f128: return "f128";
126 case MVT::ppcf128: return "ppcf128";
127 case MVT::isVoid: return "isVoid";
128 case MVT::Other: return "ch";
129 case MVT::Glue: return "glue";
130 case MVT::x86mmx: return "x86mmx";
131 case MVT::v2i1: return "v2i1";
132 case MVT::v4i1: return "v4i1";
133 case MVT::v8i1: return "v8i1";
134 case MVT::v16i1: return "v16i1";
135 case MVT::v32i1: return "v32i1";
136 case MVT::v64i1: return "v64i1";
137 case MVT::v1i8: return "v1i8";
138 case MVT::v2i8: return "v2i8";
139 case MVT::v4i8: return "v4i8";
140 case MVT::v8i8: return "v8i8";
141 case MVT::v16i8: return "v16i8";
142 case MVT::v32i8: return "v32i8";
143 case MVT::v64i8: return "v64i8";
144 case MVT::v1i16: return "v1i16";
145 case MVT::v2i16: return "v2i16";
146 case MVT::v4i16: return "v4i16";
147 case MVT::v8i16: return "v8i16";
148 case MVT::v16i16: return "v16i16";
149 case MVT::v32i16: return "v32i16";
150 case MVT::v1i32: return "v1i32";
151 case MVT::v2i32: return "v2i32";
152 case MVT::v4i32: return "v4i32";
153 case MVT::v8i32: return "v8i32";
154 case MVT::v16i32: return "v16i32";
155 case MVT::v1i64: return "v1i64";
156 case MVT::v2i64: return "v2i64";
157 case MVT::v4i64: return "v4i64";
158 case MVT::v8i64: return "v8i64";
159 case MVT::v16i64: return "v16i64";
160 case MVT::v1f32: return "v1f32";
161 case MVT::v2f32: return "v2f32";
162 case MVT::v2f16: return "v2f16";
163 case MVT::v4f16: return "v4f16";
164 case MVT::v8f16: return "v8f16";
165 case MVT::v4f32: return "v4f32";
166 case MVT::v8f32: return "v8f32";
167 case MVT::v16f32: return "v16f32";
168 case MVT::v1f64: return "v1f64";
169 case MVT::v2f64: return "v2f64";
170 case MVT::v4f64: return "v4f64";
171 case MVT::v8f64: return "v8f64";
172 case MVT::Metadata:return "Metadata";
173 case MVT::Untyped: return "Untyped";
174 }
175 }
176
177 /// getTypeForEVT - This method returns an LLVM type corresponding to the
178 /// specified EVT. For integer types, this returns an unsigned type. Note
179 /// that this will abort for types that cannot be represented.
getTypeForEVT(LLVMContext & Context) const180 Type *EVT::getTypeForEVT(LLVMContext &Context) const {
181 switch (V.SimpleTy) {
182 default:
183 assert(isExtended() && "Type is not extended!");
184 return LLVMTy;
185 case MVT::isVoid: return Type::getVoidTy(Context);
186 case MVT::i1: return Type::getInt1Ty(Context);
187 case MVT::i8: return Type::getInt8Ty(Context);
188 case MVT::i16: return Type::getInt16Ty(Context);
189 case MVT::i32: return Type::getInt32Ty(Context);
190 case MVT::i64: return Type::getInt64Ty(Context);
191 case MVT::i128: return IntegerType::get(Context, 128);
192 case MVT::f16: return Type::getHalfTy(Context);
193 case MVT::f32: return Type::getFloatTy(Context);
194 case MVT::f64: return Type::getDoubleTy(Context);
195 case MVT::f80: return Type::getX86_FP80Ty(Context);
196 case MVT::f128: return Type::getFP128Ty(Context);
197 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
198 case MVT::x86mmx: return Type::getX86_MMXTy(Context);
199 case MVT::v2i1: return VectorType::get(Type::getInt1Ty(Context), 2);
200 case MVT::v4i1: return VectorType::get(Type::getInt1Ty(Context), 4);
201 case MVT::v8i1: return VectorType::get(Type::getInt1Ty(Context), 8);
202 case MVT::v16i1: return VectorType::get(Type::getInt1Ty(Context), 16);
203 case MVT::v32i1: return VectorType::get(Type::getInt1Ty(Context), 32);
204 case MVT::v64i1: return VectorType::get(Type::getInt1Ty(Context), 64);
205 case MVT::v1i8: return VectorType::get(Type::getInt8Ty(Context), 1);
206 case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2);
207 case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4);
208 case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8);
209 case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16);
210 case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32);
211 case MVT::v64i8: return VectorType::get(Type::getInt8Ty(Context), 64);
212 case MVT::v1i16: return VectorType::get(Type::getInt16Ty(Context), 1);
213 case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2);
214 case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4);
215 case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8);
216 case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16);
217 case MVT::v32i16: return VectorType::get(Type::getInt16Ty(Context), 32);
218 case MVT::v1i32: return VectorType::get(Type::getInt32Ty(Context), 1);
219 case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2);
220 case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4);
221 case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8);
222 case MVT::v16i32: return VectorType::get(Type::getInt32Ty(Context), 16);
223 case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1);
224 case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2);
225 case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4);
226 case MVT::v8i64: return VectorType::get(Type::getInt64Ty(Context), 8);
227 case MVT::v16i64: return VectorType::get(Type::getInt64Ty(Context), 16);
228 case MVT::v2f16: return VectorType::get(Type::getHalfTy(Context), 2);
229 case MVT::v4f16: return VectorType::get(Type::getHalfTy(Context), 4);
230 case MVT::v8f16: return VectorType::get(Type::getHalfTy(Context), 8);
231 case MVT::v1f32: return VectorType::get(Type::getFloatTy(Context), 1);
232 case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2);
233 case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4);
234 case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8);
235 case MVT::v16f32: return VectorType::get(Type::getFloatTy(Context), 16);
236 case MVT::v1f64: return VectorType::get(Type::getDoubleTy(Context), 1);
237 case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2);
238 case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4);
239 case MVT::v8f64: return VectorType::get(Type::getDoubleTy(Context), 8);
240 case MVT::Metadata: return Type::getMetadataTy(Context);
241 }
242 }
243
244 /// Return the value type corresponding to the specified type. This returns all
245 /// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned
246 /// as Other, otherwise they are invalid.
getVT(Type * Ty,bool HandleUnknown)247 MVT MVT::getVT(Type *Ty, bool HandleUnknown){
248 switch (Ty->getTypeID()) {
249 default:
250 if (HandleUnknown) return MVT(MVT::Other);
251 llvm_unreachable("Unknown type!");
252 case Type::VoidTyID:
253 return MVT::isVoid;
254 case Type::IntegerTyID:
255 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
256 case Type::HalfTyID: return MVT(MVT::f16);
257 case Type::FloatTyID: return MVT(MVT::f32);
258 case Type::DoubleTyID: return MVT(MVT::f64);
259 case Type::X86_FP80TyID: return MVT(MVT::f80);
260 case Type::X86_MMXTyID: return MVT(MVT::x86mmx);
261 case Type::FP128TyID: return MVT(MVT::f128);
262 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
263 case Type::PointerTyID: return MVT(MVT::iPTR);
264 case Type::VectorTyID: {
265 VectorType *VTy = cast<VectorType>(Ty);
266 return getVectorVT(
267 getVT(VTy->getElementType(), false), VTy->getNumElements());
268 }
269 }
270 }
271
272 /// getEVT - Return the value type corresponding to the specified type. This
273 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
274 /// are returned as Other, otherwise they are invalid.
getEVT(Type * Ty,bool HandleUnknown)275 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){
276 switch (Ty->getTypeID()) {
277 default:
278 return MVT::getVT(Ty, HandleUnknown);
279 case Type::IntegerTyID:
280 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
281 case Type::VectorTyID: {
282 VectorType *VTy = cast<VectorType>(Ty);
283 return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false),
284 VTy->getNumElements());
285 }
286 }
287 }
288