1 //===----------- ValueTypes.cpp - Implementation of EVT methods -----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "llvm/CodeGen/ValueTypes.h"
10 #include "llvm/ADT/StringExtras.h"
11 #include "llvm/IR/DerivedTypes.h"
12 #include "llvm/IR/Type.h"
13 #include "llvm/Support/ErrorHandling.h"
14 #include "llvm/Support/TypeSize.h"
15 using namespace llvm;
16
changeExtendedTypeToInteger() const17 EVT EVT::changeExtendedTypeToInteger() const {
18 LLVMContext &Context = LLVMTy->getContext();
19 return getIntegerVT(Context, getSizeInBits());
20 }
21
changeExtendedVectorElementTypeToInteger() const22 EVT EVT::changeExtendedVectorElementTypeToInteger() const {
23 LLVMContext &Context = LLVMTy->getContext();
24 EVT IntTy = getIntegerVT(Context, getScalarSizeInBits());
25 return getVectorVT(Context, IntTy, getVectorNumElements(),
26 isScalableVector());
27 }
28
changeExtendedVectorElementType(EVT EltVT) const29 EVT EVT::changeExtendedVectorElementType(EVT EltVT) const {
30 LLVMContext &Context = LLVMTy->getContext();
31 return getVectorVT(Context, EltVT, getVectorElementCount());
32 }
33
getExtendedIntegerVT(LLVMContext & Context,unsigned BitWidth)34 EVT EVT::getExtendedIntegerVT(LLVMContext &Context, unsigned BitWidth) {
35 EVT VT;
36 VT.LLVMTy = IntegerType::get(Context, BitWidth);
37 assert(VT.isExtended() && "Type is not extended!");
38 return VT;
39 }
40
getExtendedVectorVT(LLVMContext & Context,EVT VT,unsigned NumElements,bool IsScalable)41 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements,
42 bool IsScalable) {
43 EVT ResultVT;
44 ResultVT.LLVMTy =
45 VectorType::get(VT.getTypeForEVT(Context), NumElements, IsScalable);
46 assert(ResultVT.isExtended() && "Type is not extended!");
47 return ResultVT;
48 }
49
getExtendedVectorVT(LLVMContext & Context,EVT VT,ElementCount EC)50 EVT EVT::getExtendedVectorVT(LLVMContext &Context, EVT VT, ElementCount EC) {
51 EVT ResultVT;
52 ResultVT.LLVMTy =
53 VectorType::get(VT.getTypeForEVT(Context), {EC.Min, EC.Scalable});
54 assert(ResultVT.isExtended() && "Type is not extended!");
55 return ResultVT;
56 }
57
isExtendedFloatingPoint() const58 bool EVT::isExtendedFloatingPoint() const {
59 assert(isExtended() && "Type is not extended!");
60 return LLVMTy->isFPOrFPVectorTy();
61 }
62
isExtendedInteger() const63 bool EVT::isExtendedInteger() const {
64 assert(isExtended() && "Type is not extended!");
65 return LLVMTy->isIntOrIntVectorTy();
66 }
67
isExtendedScalarInteger() const68 bool EVT::isExtendedScalarInteger() const {
69 assert(isExtended() && "Type is not extended!");
70 return LLVMTy->isIntegerTy();
71 }
72
isExtendedVector() const73 bool EVT::isExtendedVector() const {
74 assert(isExtended() && "Type is not extended!");
75 return LLVMTy->isVectorTy();
76 }
77
isExtended16BitVector() const78 bool EVT::isExtended16BitVector() const {
79 return isExtendedVector() && getExtendedSizeInBits() == 16;
80 }
81
isExtended32BitVector() const82 bool EVT::isExtended32BitVector() const {
83 return isExtendedVector() && getExtendedSizeInBits() == 32;
84 }
85
isExtended64BitVector() const86 bool EVT::isExtended64BitVector() const {
87 return isExtendedVector() && getExtendedSizeInBits() == 64;
88 }
89
isExtended128BitVector() const90 bool EVT::isExtended128BitVector() const {
91 return isExtendedVector() && getExtendedSizeInBits() == 128;
92 }
93
isExtended256BitVector() const94 bool EVT::isExtended256BitVector() const {
95 return isExtendedVector() && getExtendedSizeInBits() == 256;
96 }
97
isExtended512BitVector() const98 bool EVT::isExtended512BitVector() const {
99 return isExtendedVector() && getExtendedSizeInBits() == 512;
100 }
101
isExtended1024BitVector() const102 bool EVT::isExtended1024BitVector() const {
103 return isExtendedVector() && getExtendedSizeInBits() == 1024;
104 }
105
isExtended2048BitVector() const106 bool EVT::isExtended2048BitVector() const {
107 return isExtendedVector() && getExtendedSizeInBits() == 2048;
108 }
109
isExtendedFixedLengthVector() const110 bool EVT::isExtendedFixedLengthVector() const {
111 return isExtendedVector() && isa<FixedVectorType>(LLVMTy);
112 }
113
isExtendedScalableVector() const114 bool EVT::isExtendedScalableVector() const {
115 return isExtendedVector() && isa<ScalableVectorType>(LLVMTy);
116 }
117
getExtendedVectorElementType() const118 EVT EVT::getExtendedVectorElementType() const {
119 assert(isExtended() && "Type is not extended!");
120 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
121 }
122
getExtendedVectorNumElements() const123 unsigned EVT::getExtendedVectorNumElements() const {
124 assert(isExtended() && "Type is not extended!");
125 ElementCount EC = cast<VectorType>(LLVMTy)->getElementCount();
126 if (EC.Scalable) {
127 WithColor::warning()
128 << "The code that requested the fixed number of elements has made the "
129 "assumption that this vector is not scalable. This assumption was "
130 "not correct, and this may lead to broken code\n";
131 }
132 return EC.Min;
133 }
134
getExtendedVectorElementCount() const135 ElementCount EVT::getExtendedVectorElementCount() const {
136 assert(isExtended() && "Type is not extended!");
137 return cast<VectorType>(LLVMTy)->getElementCount();
138 }
139
getExtendedSizeInBits() const140 TypeSize EVT::getExtendedSizeInBits() const {
141 assert(isExtended() && "Type is not extended!");
142 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
143 return TypeSize::Fixed(ITy->getBitWidth());
144 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
145 return VTy->getPrimitiveSizeInBits();
146 llvm_unreachable("Unrecognized extended type!");
147 }
148
149 /// getEVTString - This function returns value type as a string, e.g. "i32".
getEVTString() const150 std::string EVT::getEVTString() const {
151 switch (V.SimpleTy) {
152 default:
153 if (isVector())
154 return (isScalableVector() ? "nxv" : "v")
155 + utostr(getVectorElementCount().Min)
156 + getVectorElementType().getEVTString();
157 if (isInteger())
158 return "i" + utostr(getSizeInBits());
159 if (isFloatingPoint())
160 return "f" + utostr(getSizeInBits());
161 llvm_unreachable("Invalid EVT!");
162 case MVT::bf16: return "bf16";
163 case MVT::ppcf128: return "ppcf128";
164 case MVT::isVoid: return "isVoid";
165 case MVT::Other: return "ch";
166 case MVT::Glue: return "glue";
167 case MVT::x86mmx: return "x86mmx";
168 case MVT::Metadata:return "Metadata";
169 case MVT::Untyped: return "Untyped";
170 case MVT::exnref : return "exnref";
171 }
172 }
173
174 /// getTypeForEVT - This method returns an LLVM type corresponding to the
175 /// specified EVT. For integer types, this returns an unsigned type. Note
176 /// that this will abort for types that cannot be represented.
getTypeForEVT(LLVMContext & Context) const177 Type *EVT::getTypeForEVT(LLVMContext &Context) const {
178 switch (V.SimpleTy) {
179 default:
180 assert(isExtended() && "Type is not extended!");
181 return LLVMTy;
182 case MVT::isVoid: return Type::getVoidTy(Context);
183 case MVT::i1: return Type::getInt1Ty(Context);
184 case MVT::i8: return Type::getInt8Ty(Context);
185 case MVT::i16: return Type::getInt16Ty(Context);
186 case MVT::i32: return Type::getInt32Ty(Context);
187 case MVT::i64: return Type::getInt64Ty(Context);
188 case MVT::i128: return IntegerType::get(Context, 128);
189 case MVT::f16: return Type::getHalfTy(Context);
190 case MVT::bf16: return Type::getBFloatTy(Context);
191 case MVT::f32: return Type::getFloatTy(Context);
192 case MVT::f64: return Type::getDoubleTy(Context);
193 case MVT::f80: return Type::getX86_FP80Ty(Context);
194 case MVT::f128: return Type::getFP128Ty(Context);
195 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
196 case MVT::x86mmx: return Type::getX86_MMXTy(Context);
197 case MVT::v1i1:
198 return FixedVectorType::get(Type::getInt1Ty(Context), 1);
199 case MVT::v2i1:
200 return FixedVectorType::get(Type::getInt1Ty(Context), 2);
201 case MVT::v4i1:
202 return FixedVectorType::get(Type::getInt1Ty(Context), 4);
203 case MVT::v8i1:
204 return FixedVectorType::get(Type::getInt1Ty(Context), 8);
205 case MVT::v16i1:
206 return FixedVectorType::get(Type::getInt1Ty(Context), 16);
207 case MVT::v32i1:
208 return FixedVectorType::get(Type::getInt1Ty(Context), 32);
209 case MVT::v64i1:
210 return FixedVectorType::get(Type::getInt1Ty(Context), 64);
211 case MVT::v128i1:
212 return FixedVectorType::get(Type::getInt1Ty(Context), 128);
213 case MVT::v256i1:
214 return FixedVectorType::get(Type::getInt1Ty(Context), 256);
215 case MVT::v512i1:
216 return FixedVectorType::get(Type::getInt1Ty(Context), 512);
217 case MVT::v1024i1:
218 return FixedVectorType::get(Type::getInt1Ty(Context), 1024);
219 case MVT::v1i8:
220 return FixedVectorType::get(Type::getInt8Ty(Context), 1);
221 case MVT::v2i8:
222 return FixedVectorType::get(Type::getInt8Ty(Context), 2);
223 case MVT::v4i8:
224 return FixedVectorType::get(Type::getInt8Ty(Context), 4);
225 case MVT::v8i8:
226 return FixedVectorType::get(Type::getInt8Ty(Context), 8);
227 case MVT::v16i8:
228 return FixedVectorType::get(Type::getInt8Ty(Context), 16);
229 case MVT::v32i8:
230 return FixedVectorType::get(Type::getInt8Ty(Context), 32);
231 case MVT::v64i8:
232 return FixedVectorType::get(Type::getInt8Ty(Context), 64);
233 case MVT::v128i8:
234 return FixedVectorType::get(Type::getInt8Ty(Context), 128);
235 case MVT::v256i8:
236 return FixedVectorType::get(Type::getInt8Ty(Context), 256);
237 case MVT::v1i16:
238 return FixedVectorType::get(Type::getInt16Ty(Context), 1);
239 case MVT::v2i16:
240 return FixedVectorType::get(Type::getInt16Ty(Context), 2);
241 case MVT::v3i16:
242 return FixedVectorType::get(Type::getInt16Ty(Context), 3);
243 case MVT::v4i16:
244 return FixedVectorType::get(Type::getInt16Ty(Context), 4);
245 case MVT::v8i16:
246 return FixedVectorType::get(Type::getInt16Ty(Context), 8);
247 case MVT::v16i16:
248 return FixedVectorType::get(Type::getInt16Ty(Context), 16);
249 case MVT::v32i16:
250 return FixedVectorType::get(Type::getInt16Ty(Context), 32);
251 case MVT::v64i16:
252 return FixedVectorType::get(Type::getInt16Ty(Context), 64);
253 case MVT::v128i16:
254 return FixedVectorType::get(Type::getInt16Ty(Context), 128);
255 case MVT::v1i32:
256 return FixedVectorType::get(Type::getInt32Ty(Context), 1);
257 case MVT::v2i32:
258 return FixedVectorType::get(Type::getInt32Ty(Context), 2);
259 case MVT::v3i32:
260 return FixedVectorType::get(Type::getInt32Ty(Context), 3);
261 case MVT::v4i32:
262 return FixedVectorType::get(Type::getInt32Ty(Context), 4);
263 case MVT::v5i32:
264 return FixedVectorType::get(Type::getInt32Ty(Context), 5);
265 case MVT::v8i32:
266 return FixedVectorType::get(Type::getInt32Ty(Context), 8);
267 case MVT::v16i32:
268 return FixedVectorType::get(Type::getInt32Ty(Context), 16);
269 case MVT::v32i32:
270 return FixedVectorType::get(Type::getInt32Ty(Context), 32);
271 case MVT::v64i32:
272 return FixedVectorType::get(Type::getInt32Ty(Context), 64);
273 case MVT::v128i32:
274 return FixedVectorType::get(Type::getInt32Ty(Context), 128);
275 case MVT::v256i32:
276 return FixedVectorType::get(Type::getInt32Ty(Context), 256);
277 case MVT::v512i32:
278 return FixedVectorType::get(Type::getInt32Ty(Context), 512);
279 case MVT::v1024i32:
280 return FixedVectorType::get(Type::getInt32Ty(Context), 1024);
281 case MVT::v2048i32:
282 return FixedVectorType::get(Type::getInt32Ty(Context), 2048);
283 case MVT::v1i64:
284 return FixedVectorType::get(Type::getInt64Ty(Context), 1);
285 case MVT::v2i64:
286 return FixedVectorType::get(Type::getInt64Ty(Context), 2);
287 case MVT::v4i64:
288 return FixedVectorType::get(Type::getInt64Ty(Context), 4);
289 case MVT::v8i64:
290 return FixedVectorType::get(Type::getInt64Ty(Context), 8);
291 case MVT::v16i64:
292 return FixedVectorType::get(Type::getInt64Ty(Context), 16);
293 case MVT::v32i64:
294 return FixedVectorType::get(Type::getInt64Ty(Context), 32);
295 case MVT::v1i128:
296 return FixedVectorType::get(Type::getInt128Ty(Context), 1);
297 case MVT::v2f16:
298 return FixedVectorType::get(Type::getHalfTy(Context), 2);
299 case MVT::v3f16:
300 return FixedVectorType::get(Type::getHalfTy(Context), 3);
301 case MVT::v4f16:
302 return FixedVectorType::get(Type::getHalfTy(Context), 4);
303 case MVT::v8f16:
304 return FixedVectorType::get(Type::getHalfTy(Context), 8);
305 case MVT::v16f16:
306 return FixedVectorType::get(Type::getHalfTy(Context), 16);
307 case MVT::v32f16:
308 return FixedVectorType::get(Type::getHalfTy(Context), 32);
309 case MVT::v64f16:
310 return FixedVectorType::get(Type::getBFloatTy(Context), 64);
311 case MVT::v128f16:
312 return FixedVectorType::get(Type::getBFloatTy(Context), 128);
313 case MVT::v2bf16:
314 return FixedVectorType::get(Type::getBFloatTy(Context), 2);
315 case MVT::v3bf16:
316 return FixedVectorType::get(Type::getBFloatTy(Context), 3);
317 case MVT::v4bf16:
318 return FixedVectorType::get(Type::getBFloatTy(Context), 4);
319 case MVT::v8bf16:
320 return FixedVectorType::get(Type::getBFloatTy(Context), 8);
321 case MVT::v16bf16:
322 return FixedVectorType::get(Type::getBFloatTy(Context), 16);
323 case MVT::v32bf16:
324 return FixedVectorType::get(Type::getBFloatTy(Context), 32);
325 case MVT::v64bf16:
326 return FixedVectorType::get(Type::getBFloatTy(Context), 64);
327 case MVT::v128bf16:
328 return FixedVectorType::get(Type::getBFloatTy(Context), 128);
329 case MVT::v1f32:
330 return FixedVectorType::get(Type::getFloatTy(Context), 1);
331 case MVT::v2f32:
332 return FixedVectorType::get(Type::getFloatTy(Context), 2);
333 case MVT::v3f32:
334 return FixedVectorType::get(Type::getFloatTy(Context), 3);
335 case MVT::v4f32:
336 return FixedVectorType::get(Type::getFloatTy(Context), 4);
337 case MVT::v5f32:
338 return FixedVectorType::get(Type::getFloatTy(Context), 5);
339 case MVT::v8f32:
340 return FixedVectorType::get(Type::getFloatTy(Context), 8);
341 case MVT::v16f32:
342 return FixedVectorType::get(Type::getFloatTy(Context), 16);
343 case MVT::v32f32:
344 return FixedVectorType::get(Type::getFloatTy(Context), 32);
345 case MVT::v64f32:
346 return FixedVectorType::get(Type::getFloatTy(Context), 64);
347 case MVT::v128f32:
348 return FixedVectorType::get(Type::getFloatTy(Context), 128);
349 case MVT::v256f32:
350 return FixedVectorType::get(Type::getFloatTy(Context), 256);
351 case MVT::v512f32:
352 return FixedVectorType::get(Type::getFloatTy(Context), 512);
353 case MVT::v1024f32:
354 return FixedVectorType::get(Type::getFloatTy(Context), 1024);
355 case MVT::v2048f32:
356 return FixedVectorType::get(Type::getFloatTy(Context), 2048);
357 case MVT::v1f64:
358 return FixedVectorType::get(Type::getDoubleTy(Context), 1);
359 case MVT::v2f64:
360 return FixedVectorType::get(Type::getDoubleTy(Context), 2);
361 case MVT::v4f64:
362 return FixedVectorType::get(Type::getDoubleTy(Context), 4);
363 case MVT::v8f64:
364 return FixedVectorType::get(Type::getDoubleTy(Context), 8);
365 case MVT::v16f64:
366 return FixedVectorType::get(Type::getDoubleTy(Context), 16);
367 case MVT::v32f64:
368 return FixedVectorType::get(Type::getDoubleTy(Context), 32);
369 case MVT::nxv1i1:
370 return ScalableVectorType::get(Type::getInt1Ty(Context), 1);
371 case MVT::nxv2i1:
372 return ScalableVectorType::get(Type::getInt1Ty(Context), 2);
373 case MVT::nxv4i1:
374 return ScalableVectorType::get(Type::getInt1Ty(Context), 4);
375 case MVT::nxv8i1:
376 return ScalableVectorType::get(Type::getInt1Ty(Context), 8);
377 case MVT::nxv16i1:
378 return ScalableVectorType::get(Type::getInt1Ty(Context), 16);
379 case MVT::nxv32i1:
380 return ScalableVectorType::get(Type::getInt1Ty(Context), 32);
381 case MVT::nxv64i1:
382 return ScalableVectorType::get(Type::getInt1Ty(Context), 64);
383 case MVT::nxv1i8:
384 return ScalableVectorType::get(Type::getInt8Ty(Context), 1);
385 case MVT::nxv2i8:
386 return ScalableVectorType::get(Type::getInt8Ty(Context), 2);
387 case MVT::nxv4i8:
388 return ScalableVectorType::get(Type::getInt8Ty(Context), 4);
389 case MVT::nxv8i8:
390 return ScalableVectorType::get(Type::getInt8Ty(Context), 8);
391 case MVT::nxv16i8:
392 return ScalableVectorType::get(Type::getInt8Ty(Context), 16);
393 case MVT::nxv32i8:
394 return ScalableVectorType::get(Type::getInt8Ty(Context), 32);
395 case MVT::nxv64i8:
396 return ScalableVectorType::get(Type::getInt8Ty(Context), 64);
397 case MVT::nxv1i16:
398 return ScalableVectorType::get(Type::getInt16Ty(Context), 1);
399 case MVT::nxv2i16:
400 return ScalableVectorType::get(Type::getInt16Ty(Context), 2);
401 case MVT::nxv4i16:
402 return ScalableVectorType::get(Type::getInt16Ty(Context), 4);
403 case MVT::nxv8i16:
404 return ScalableVectorType::get(Type::getInt16Ty(Context), 8);
405 case MVT::nxv16i16:
406 return ScalableVectorType::get(Type::getInt16Ty(Context), 16);
407 case MVT::nxv32i16:
408 return ScalableVectorType::get(Type::getInt16Ty(Context), 32);
409 case MVT::nxv1i32:
410 return ScalableVectorType::get(Type::getInt32Ty(Context), 1);
411 case MVT::nxv2i32:
412 return ScalableVectorType::get(Type::getInt32Ty(Context), 2);
413 case MVT::nxv4i32:
414 return ScalableVectorType::get(Type::getInt32Ty(Context), 4);
415 case MVT::nxv8i32:
416 return ScalableVectorType::get(Type::getInt32Ty(Context), 8);
417 case MVT::nxv16i32:
418 return ScalableVectorType::get(Type::getInt32Ty(Context), 16);
419 case MVT::nxv32i32:
420 return ScalableVectorType::get(Type::getInt32Ty(Context), 32);
421 case MVT::nxv1i64:
422 return ScalableVectorType::get(Type::getInt64Ty(Context), 1);
423 case MVT::nxv2i64:
424 return ScalableVectorType::get(Type::getInt64Ty(Context), 2);
425 case MVT::nxv4i64:
426 return ScalableVectorType::get(Type::getInt64Ty(Context), 4);
427 case MVT::nxv8i64:
428 return ScalableVectorType::get(Type::getInt64Ty(Context), 8);
429 case MVT::nxv16i64:
430 return ScalableVectorType::get(Type::getInt64Ty(Context), 16);
431 case MVT::nxv32i64:
432 return ScalableVectorType::get(Type::getInt64Ty(Context), 32);
433 case MVT::nxv1f16:
434 return ScalableVectorType::get(Type::getHalfTy(Context), 1);
435 case MVT::nxv2f16:
436 return ScalableVectorType::get(Type::getHalfTy(Context), 2);
437 case MVT::nxv4f16:
438 return ScalableVectorType::get(Type::getHalfTy(Context), 4);
439 case MVT::nxv8f16:
440 return ScalableVectorType::get(Type::getHalfTy(Context), 8);
441 case MVT::nxv16f16:
442 return ScalableVectorType::get(Type::getHalfTy(Context), 16);
443 case MVT::nxv32f16:
444 return ScalableVectorType::get(Type::getHalfTy(Context), 32);
445 case MVT::nxv2bf16:
446 return ScalableVectorType::get(Type::getBFloatTy(Context), 2);
447 case MVT::nxv4bf16:
448 return ScalableVectorType::get(Type::getBFloatTy(Context), 4);
449 case MVT::nxv8bf16:
450 return ScalableVectorType::get(Type::getBFloatTy(Context), 8);
451 case MVT::nxv1f32:
452 return ScalableVectorType::get(Type::getFloatTy(Context), 1);
453 case MVT::nxv2f32:
454 return ScalableVectorType::get(Type::getFloatTy(Context), 2);
455 case MVT::nxv4f32:
456 return ScalableVectorType::get(Type::getFloatTy(Context), 4);
457 case MVT::nxv8f32:
458 return ScalableVectorType::get(Type::getFloatTy(Context), 8);
459 case MVT::nxv16f32:
460 return ScalableVectorType::get(Type::getFloatTy(Context), 16);
461 case MVT::nxv1f64:
462 return ScalableVectorType::get(Type::getDoubleTy(Context), 1);
463 case MVT::nxv2f64:
464 return ScalableVectorType::get(Type::getDoubleTy(Context), 2);
465 case MVT::nxv4f64:
466 return ScalableVectorType::get(Type::getDoubleTy(Context), 4);
467 case MVT::nxv8f64:
468 return ScalableVectorType::get(Type::getDoubleTy(Context), 8);
469 case MVT::Metadata: return Type::getMetadataTy(Context);
470 }
471 }
472
473 /// Return the value type corresponding to the specified type. This returns all
474 /// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned
475 /// as Other, otherwise they are invalid.
getVT(Type * Ty,bool HandleUnknown)476 MVT MVT::getVT(Type *Ty, bool HandleUnknown){
477 switch (Ty->getTypeID()) {
478 default:
479 if (HandleUnknown) return MVT(MVT::Other);
480 llvm_unreachable("Unknown type!");
481 case Type::VoidTyID:
482 return MVT::isVoid;
483 case Type::IntegerTyID:
484 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
485 case Type::HalfTyID: return MVT(MVT::f16);
486 case Type::BFloatTyID: return MVT(MVT::bf16);
487 case Type::FloatTyID: return MVT(MVT::f32);
488 case Type::DoubleTyID: return MVT(MVT::f64);
489 case Type::X86_FP80TyID: return MVT(MVT::f80);
490 case Type::X86_MMXTyID: return MVT(MVT::x86mmx);
491 case Type::FP128TyID: return MVT(MVT::f128);
492 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
493 case Type::PointerTyID: return MVT(MVT::iPTR);
494 case Type::FixedVectorTyID:
495 case Type::ScalableVectorTyID: {
496 VectorType *VTy = cast<VectorType>(Ty);
497 return getVectorVT(
498 getVT(VTy->getElementType(), /*HandleUnknown=*/ false),
499 VTy->getElementCount());
500 }
501 }
502 }
503
504 /// getEVT - Return the value type corresponding to the specified type. This
505 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
506 /// are returned as Other, otherwise they are invalid.
getEVT(Type * Ty,bool HandleUnknown)507 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){
508 switch (Ty->getTypeID()) {
509 default:
510 return MVT::getVT(Ty, HandleUnknown);
511 case Type::IntegerTyID:
512 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
513 case Type::FixedVectorTyID:
514 case Type::ScalableVectorTyID: {
515 VectorType *VTy = cast<VectorType>(Ty);
516 return getVectorVT(Ty->getContext(),
517 getEVT(VTy->getElementType(), /*HandleUnknown=*/ false),
518 VTy->getElementCount());
519 }
520 }
521 }
522