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
changeExtendedTypeToInteger() const22 EVT EVT::changeExtendedTypeToInteger() const {
23 LLVMContext &Context = LLVMTy->getContext();
24 return getIntegerVT(Context, getSizeInBits());
25 }
26
changeExtendedVectorElementTypeToInteger() const27 EVT EVT::changeExtendedVectorElementTypeToInteger() const {
28 LLVMContext &Context = LLVMTy->getContext();
29 EVT IntTy = getIntegerVT(Context, getVectorElementType().getSizeInBits());
30 return getVectorVT(Context, IntTy, getVectorNumElements());
31 }
32
getExtendedIntegerVT(LLVMContext & Context,unsigned BitWidth)33 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
34 EVT VT;
35 VT.LLVMTy = IntegerType::get(Context, BitWidth);
36 assert(VT.isExtended() && "Type is not extended!");
37 return VT;
38 }
39
getExtendedVectorVT(LLVMContext & Context,EVT VT,unsigned NumElements)40 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT,
41 unsigned NumElements) {
42 EVT ResultVT;
43 ResultVT.LLVMTy = VectorType::get(VT.getTypeForEVT(Context), NumElements);
44 assert(ResultVT.isExtended() && "Type is not extended!");
45 return ResultVT;
46 }
47
isExtendedFloatingPoint() const48 bool EVT::isExtendedFloatingPoint() const {
49 assert(isExtended() && "Type is not extended!");
50 return LLVMTy->isFPOrFPVectorTy();
51 }
52
isExtendedInteger() const53 bool EVT::isExtendedInteger() const {
54 assert(isExtended() && "Type is not extended!");
55 return LLVMTy->isIntOrIntVectorTy();
56 }
57
isExtendedVector() const58 bool EVT::isExtendedVector() const {
59 assert(isExtended() && "Type is not extended!");
60 return LLVMTy->isVectorTy();
61 }
62
isExtended16BitVector() const63 bool EVT::isExtended16BitVector() const {
64 return isExtendedVector() && getExtendedSizeInBits() == 16;
65 }
66
isExtended32BitVector() const67 bool EVT::isExtended32BitVector() const {
68 return isExtendedVector() && getExtendedSizeInBits() == 32;
69 }
70
isExtended64BitVector() const71 bool EVT::isExtended64BitVector() const {
72 return isExtendedVector() && getExtendedSizeInBits() == 64;
73 }
74
isExtended128BitVector() const75 bool EVT::isExtended128BitVector() const {
76 return isExtendedVector() && getExtendedSizeInBits() == 128;
77 }
78
isExtended256BitVector() const79 bool EVT::isExtended256BitVector() const {
80 return isExtendedVector() && getExtendedSizeInBits() == 256;
81 }
82
isExtended512BitVector() const83 bool EVT::isExtended512BitVector() const {
84 return isExtendedVector() && getExtendedSizeInBits() == 512;
85 }
86
isExtended1024BitVector() const87 bool EVT::isExtended1024BitVector() const {
88 return isExtendedVector() && getExtendedSizeInBits() == 1024;
89 }
90
isExtended2048BitVector() const91 bool EVT::isExtended2048BitVector() const {
92 return isExtendedVector() && getExtendedSizeInBits() == 2048;
93 }
94
getExtendedVectorElementType() const95 EVT EVT::getExtendedVectorElementType() const {
96 assert(isExtended() && "Type is not extended!");
97 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
98 }
99
getExtendedVectorNumElements() const100 unsigned EVT::getExtendedVectorNumElements() const {
101 assert(isExtended() && "Type is not extended!");
102 return cast<VectorType>(LLVMTy)->getNumElements();
103 }
104
getExtendedSizeInBits() const105 unsigned EVT::getExtendedSizeInBits() const {
106 assert(isExtended() && "Type is not extended!");
107 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
108 return ITy->getBitWidth();
109 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
110 return VTy->getBitWidth();
111 llvm_unreachable("Unrecognized extended type!");
112 }
113
114 /// getEVTString - This function returns value type as a string, e.g. "i32".
getEVTString() const115 std::string EVT::getEVTString() const {
116 switch (V.SimpleTy) {
117 default:
118 if (isVector())
119 return "v" + utostr(getVectorNumElements()) +
120 getVectorElementType().getEVTString();
121 if (isInteger())
122 return "i" + utostr(getSizeInBits());
123 llvm_unreachable("Invalid EVT!");
124 case MVT::i1: return "i1";
125 case MVT::i8: return "i8";
126 case MVT::i16: return "i16";
127 case MVT::i32: return "i32";
128 case MVT::i64: return "i64";
129 case MVT::i128: return "i128";
130 case MVT::f16: return "f16";
131 case MVT::f32: return "f32";
132 case MVT::f64: return "f64";
133 case MVT::f80: return "f80";
134 case MVT::f128: return "f128";
135 case MVT::ppcf128: return "ppcf128";
136 case MVT::isVoid: return "isVoid";
137 case MVT::Other: return "ch";
138 case MVT::Glue: return "glue";
139 case MVT::x86mmx: return "x86mmx";
140 case MVT::v2i1: return "v2i1";
141 case MVT::v4i1: return "v4i1";
142 case MVT::v8i1: return "v8i1";
143 case MVT::v16i1: return "v16i1";
144 case MVT::v32i1: return "v32i1";
145 case MVT::v64i1: return "v64i1";
146 case MVT::v512i1: return "v512i1";
147 case MVT::v1024i1: return "v1024i1";
148 case MVT::v1i8: return "v1i8";
149 case MVT::v2i8: return "v2i8";
150 case MVT::v4i8: return "v4i8";
151 case MVT::v8i8: return "v8i8";
152 case MVT::v16i8: return "v16i8";
153 case MVT::v32i8: return "v32i8";
154 case MVT::v64i8: return "v64i8";
155 case MVT::v128i8: return "v128i8";
156 case MVT::v256i8: return "v256i8";
157 case MVT::v1i16: return "v1i16";
158 case MVT::v2i16: return "v2i16";
159 case MVT::v4i16: return "v4i16";
160 case MVT::v8i16: return "v8i16";
161 case MVT::v16i16: return "v16i16";
162 case MVT::v32i16: return "v32i16";
163 case MVT::v64i16: return "v64i16";
164 case MVT::v128i16: return "v128i16";
165 case MVT::v1i32: return "v1i32";
166 case MVT::v2i32: return "v2i32";
167 case MVT::v4i32: return "v4i32";
168 case MVT::v8i32: return "v8i32";
169 case MVT::v16i32: return "v16i32";
170 case MVT::v32i32: return "v32i32";
171 case MVT::v64i32: return "v64i32";
172 case MVT::v1i64: return "v1i64";
173 case MVT::v2i64: return "v2i64";
174 case MVT::v4i64: return "v4i64";
175 case MVT::v8i64: return "v8i64";
176 case MVT::v16i64: return "v16i64";
177 case MVT::v32i64: return "v32i64";
178 case MVT::v1i128: return "v1i128";
179 case MVT::v1f32: return "v1f32";
180 case MVT::v2f32: return "v2f32";
181 case MVT::v2f16: return "v2f16";
182 case MVT::v4f16: return "v4f16";
183 case MVT::v8f16: return "v8f16";
184 case MVT::v4f32: return "v4f32";
185 case MVT::v8f32: return "v8f32";
186 case MVT::v16f32: return "v16f32";
187 case MVT::v1f64: return "v1f64";
188 case MVT::v2f64: return "v2f64";
189 case MVT::v4f64: return "v4f64";
190 case MVT::v8f64: return "v8f64";
191 case MVT::Metadata:return "Metadata";
192 case MVT::Untyped: return "Untyped";
193 }
194 }
195
196 /// getTypeForEVT - This method returns an LLVM type corresponding to the
197 /// specified EVT. For integer types, this returns an unsigned type. Note
198 /// that this will abort for types that cannot be represented.
getTypeForEVT(LLVMContext & Context) const199 Type *EVT::getTypeForEVT(LLVMContext &Context) const {
200 switch (V.SimpleTy) {
201 default:
202 assert(isExtended() && "Type is not extended!");
203 return LLVMTy;
204 case MVT::isVoid: return Type::getVoidTy(Context);
205 case MVT::i1: return Type::getInt1Ty(Context);
206 case MVT::i8: return Type::getInt8Ty(Context);
207 case MVT::i16: return Type::getInt16Ty(Context);
208 case MVT::i32: return Type::getInt32Ty(Context);
209 case MVT::i64: return Type::getInt64Ty(Context);
210 case MVT::i128: return IntegerType::get(Context, 128);
211 case MVT::f16: return Type::getHalfTy(Context);
212 case MVT::f32: return Type::getFloatTy(Context);
213 case MVT::f64: return Type::getDoubleTy(Context);
214 case MVT::f80: return Type::getX86_FP80Ty(Context);
215 case MVT::f128: return Type::getFP128Ty(Context);
216 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
217 case MVT::x86mmx: return Type::getX86_MMXTy(Context);
218 case MVT::v2i1: return VectorType::get(Type::getInt1Ty(Context), 2);
219 case MVT::v4i1: return VectorType::get(Type::getInt1Ty(Context), 4);
220 case MVT::v8i1: return VectorType::get(Type::getInt1Ty(Context), 8);
221 case MVT::v16i1: return VectorType::get(Type::getInt1Ty(Context), 16);
222 case MVT::v32i1: return VectorType::get(Type::getInt1Ty(Context), 32);
223 case MVT::v64i1: return VectorType::get(Type::getInt1Ty(Context), 64);
224 case MVT::v512i1: return VectorType::get(Type::getInt1Ty(Context), 512);
225 case MVT::v1024i1: return VectorType::get(Type::getInt1Ty(Context), 1024);
226 case MVT::v1i8: return VectorType::get(Type::getInt8Ty(Context), 1);
227 case MVT::v2i8: return VectorType::get(Type::getInt8Ty(Context), 2);
228 case MVT::v4i8: return VectorType::get(Type::getInt8Ty(Context), 4);
229 case MVT::v8i8: return VectorType::get(Type::getInt8Ty(Context), 8);
230 case MVT::v16i8: return VectorType::get(Type::getInt8Ty(Context), 16);
231 case MVT::v32i8: return VectorType::get(Type::getInt8Ty(Context), 32);
232 case MVT::v64i8: return VectorType::get(Type::getInt8Ty(Context), 64);
233 case MVT::v128i8: return VectorType::get(Type::getInt8Ty(Context), 128);
234 case MVT::v256i8: return VectorType::get(Type::getInt8Ty(Context), 256);
235 case MVT::v1i16: return VectorType::get(Type::getInt16Ty(Context), 1);
236 case MVT::v2i16: return VectorType::get(Type::getInt16Ty(Context), 2);
237 case MVT::v4i16: return VectorType::get(Type::getInt16Ty(Context), 4);
238 case MVT::v8i16: return VectorType::get(Type::getInt16Ty(Context), 8);
239 case MVT::v16i16: return VectorType::get(Type::getInt16Ty(Context), 16);
240 case MVT::v32i16: return VectorType::get(Type::getInt16Ty(Context), 32);
241 case MVT::v64i16: return VectorType::get(Type::getInt16Ty(Context), 64);
242 case MVT::v128i16: return VectorType::get(Type::getInt16Ty(Context), 128);
243 case MVT::v1i32: return VectorType::get(Type::getInt32Ty(Context), 1);
244 case MVT::v2i32: return VectorType::get(Type::getInt32Ty(Context), 2);
245 case MVT::v4i32: return VectorType::get(Type::getInt32Ty(Context), 4);
246 case MVT::v8i32: return VectorType::get(Type::getInt32Ty(Context), 8);
247 case MVT::v16i32: return VectorType::get(Type::getInt32Ty(Context), 16);
248 case MVT::v32i32: return VectorType::get(Type::getInt32Ty(Context), 32);
249 case MVT::v64i32: return VectorType::get(Type::getInt32Ty(Context), 64);
250 case MVT::v1i64: return VectorType::get(Type::getInt64Ty(Context), 1);
251 case MVT::v2i64: return VectorType::get(Type::getInt64Ty(Context), 2);
252 case MVT::v4i64: return VectorType::get(Type::getInt64Ty(Context), 4);
253 case MVT::v8i64: return VectorType::get(Type::getInt64Ty(Context), 8);
254 case MVT::v16i64: return VectorType::get(Type::getInt64Ty(Context), 16);
255 case MVT::v32i64: return VectorType::get(Type::getInt64Ty(Context), 32);
256 case MVT::v1i128: return VectorType::get(Type::getInt128Ty(Context), 1);
257 case MVT::v2f16: return VectorType::get(Type::getHalfTy(Context), 2);
258 case MVT::v4f16: return VectorType::get(Type::getHalfTy(Context), 4);
259 case MVT::v8f16: return VectorType::get(Type::getHalfTy(Context), 8);
260 case MVT::v1f32: return VectorType::get(Type::getFloatTy(Context), 1);
261 case MVT::v2f32: return VectorType::get(Type::getFloatTy(Context), 2);
262 case MVT::v4f32: return VectorType::get(Type::getFloatTy(Context), 4);
263 case MVT::v8f32: return VectorType::get(Type::getFloatTy(Context), 8);
264 case MVT::v16f32: return VectorType::get(Type::getFloatTy(Context), 16);
265 case MVT::v1f64: return VectorType::get(Type::getDoubleTy(Context), 1);
266 case MVT::v2f64: return VectorType::get(Type::getDoubleTy(Context), 2);
267 case MVT::v4f64: return VectorType::get(Type::getDoubleTy(Context), 4);
268 case MVT::v8f64: return VectorType::get(Type::getDoubleTy(Context), 8);
269 case MVT::Metadata: return Type::getMetadataTy(Context);
270 }
271 }
272
273 /// Return the value type corresponding to the specified type. This returns all
274 /// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned
275 /// as Other, otherwise they are invalid.
getVT(Type * Ty,bool HandleUnknown)276 MVT MVT::getVT(Type *Ty, bool HandleUnknown){
277 switch (Ty->getTypeID()) {
278 default:
279 if (HandleUnknown) return MVT(MVT::Other);
280 llvm_unreachable("Unknown type!");
281 case Type::VoidTyID:
282 return MVT::isVoid;
283 case Type::IntegerTyID:
284 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
285 case Type::HalfTyID: return MVT(MVT::f16);
286 case Type::FloatTyID: return MVT(MVT::f32);
287 case Type::DoubleTyID: return MVT(MVT::f64);
288 case Type::X86_FP80TyID: return MVT(MVT::f80);
289 case Type::X86_MMXTyID: return MVT(MVT::x86mmx);
290 case Type::FP128TyID: return MVT(MVT::f128);
291 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
292 case Type::PointerTyID: return MVT(MVT::iPTR);
293 case Type::VectorTyID: {
294 VectorType *VTy = cast<VectorType>(Ty);
295 return getVectorVT(
296 getVT(VTy->getElementType(), false), VTy->getNumElements());
297 }
298 }
299 }
300
301 /// getEVT - Return the value type corresponding to the specified type. This
302 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
303 /// are returned as Other, otherwise they are invalid.
getEVT(Type * Ty,bool HandleUnknown)304 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){
305 switch (Ty->getTypeID()) {
306 default:
307 return MVT::getVT(Ty, HandleUnknown);
308 case Type::IntegerTyID:
309 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
310 case Type::VectorTyID: {
311 VectorType *VTy = cast<VectorType>(Ty);
312 return getVectorVT(Ty->getContext(), getEVT(VTy->getElementType(), false),
313 VTy->getNumElements());
314 }
315 }
316 }
317