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 = VectorType::get(VT.getTypeForEVT(Context), EC);
53 assert(ResultVT.isExtended() && "Type is not extended!");
54 return ResultVT;
55 }
56
isExtendedFloatingPoint() const57 bool EVT::isExtendedFloatingPoint() const {
58 assert(isExtended() && "Type is not extended!");
59 return LLVMTy->isFPOrFPVectorTy();
60 }
61
isExtendedInteger() const62 bool EVT::isExtendedInteger() const {
63 assert(isExtended() && "Type is not extended!");
64 return LLVMTy->isIntOrIntVectorTy();
65 }
66
isExtendedScalarInteger() const67 bool EVT::isExtendedScalarInteger() const {
68 assert(isExtended() && "Type is not extended!");
69 return LLVMTy->isIntegerTy();
70 }
71
isExtendedVector() const72 bool EVT::isExtendedVector() const {
73 assert(isExtended() && "Type is not extended!");
74 return LLVMTy->isVectorTy();
75 }
76
isExtended16BitVector() const77 bool EVT::isExtended16BitVector() const {
78 return isExtendedVector() && getExtendedSizeInBits() == 16;
79 }
80
isExtended32BitVector() const81 bool EVT::isExtended32BitVector() const {
82 return isExtendedVector() && getExtendedSizeInBits() == 32;
83 }
84
isExtended64BitVector() const85 bool EVT::isExtended64BitVector() const {
86 return isExtendedVector() && getExtendedSizeInBits() == 64;
87 }
88
isExtended128BitVector() const89 bool EVT::isExtended128BitVector() const {
90 return isExtendedVector() && getExtendedSizeInBits() == 128;
91 }
92
isExtended256BitVector() const93 bool EVT::isExtended256BitVector() const {
94 return isExtendedVector() && getExtendedSizeInBits() == 256;
95 }
96
isExtended512BitVector() const97 bool EVT::isExtended512BitVector() const {
98 return isExtendedVector() && getExtendedSizeInBits() == 512;
99 }
100
isExtended1024BitVector() const101 bool EVT::isExtended1024BitVector() const {
102 return isExtendedVector() && getExtendedSizeInBits() == 1024;
103 }
104
isExtended2048BitVector() const105 bool EVT::isExtended2048BitVector() const {
106 return isExtendedVector() && getExtendedSizeInBits() == 2048;
107 }
108
isExtendedFixedLengthVector() const109 bool EVT::isExtendedFixedLengthVector() const {
110 return isExtendedVector() && isa<FixedVectorType>(LLVMTy);
111 }
112
isExtendedScalableVector() const113 bool EVT::isExtendedScalableVector() const {
114 return isExtendedVector() && isa<ScalableVectorType>(LLVMTy);
115 }
116
getExtendedVectorElementType() const117 EVT EVT::getExtendedVectorElementType() const {
118 assert(isExtended() && "Type is not extended!");
119 return EVT::getEVT(cast<VectorType>(LLVMTy)->getElementType());
120 }
121
getExtendedVectorNumElements() const122 unsigned EVT::getExtendedVectorNumElements() const {
123 assert(isExtended() && "Type is not extended!");
124 ElementCount EC = cast<VectorType>(LLVMTy)->getElementCount();
125 if (EC.isScalable()) {
126 WithColor::warning()
127 << "The code that requested the fixed number of elements has made the "
128 "assumption that this vector is not scalable. This assumption was "
129 "not correct, and this may lead to broken code\n";
130 }
131 return EC.getKnownMinValue();
132 }
133
getExtendedVectorElementCount() const134 ElementCount EVT::getExtendedVectorElementCount() const {
135 assert(isExtended() && "Type is not extended!");
136 return cast<VectorType>(LLVMTy)->getElementCount();
137 }
138
getExtendedSizeInBits() const139 TypeSize EVT::getExtendedSizeInBits() const {
140 assert(isExtended() && "Type is not extended!");
141 if (IntegerType *ITy = dyn_cast<IntegerType>(LLVMTy))
142 return TypeSize::Fixed(ITy->getBitWidth());
143 if (VectorType *VTy = dyn_cast<VectorType>(LLVMTy))
144 return VTy->getPrimitiveSizeInBits();
145 llvm_unreachable("Unrecognized extended type!");
146 }
147
148 /// getEVTString - This function returns value type as a string, e.g. "i32".
getEVTString() const149 std::string EVT::getEVTString() const {
150 switch (V.SimpleTy) {
151 default:
152 if (isVector())
153 return (isScalableVector() ? "nxv" : "v") +
154 utostr(getVectorElementCount().getKnownMinValue()) +
155 getVectorElementType().getEVTString();
156 if (isInteger())
157 return "i" + utostr(getSizeInBits());
158 if (isFloatingPoint())
159 return "f" + utostr(getSizeInBits());
160 llvm_unreachable("Invalid EVT!");
161 case MVT::bf16: return "bf16";
162 case MVT::ppcf128: return "ppcf128";
163 case MVT::isVoid: return "isVoid";
164 case MVT::Other: return "ch";
165 case MVT::Glue: return "glue";
166 case MVT::x86mmx: return "x86mmx";
167 case MVT::x86amx: return "x86amx";
168 case MVT::Metadata: return "Metadata";
169 case MVT::Untyped: return "Untyped";
170 case MVT::funcref: return "funcref";
171 case MVT::externref: return "externref";
172 }
173 }
174
175 /// getTypeForEVT - This method returns an LLVM type corresponding to the
176 /// specified EVT. For integer types, this returns an unsigned type. Note
177 /// that this will abort for types that cannot be represented.
getTypeForEVT(LLVMContext & Context) const178 Type *EVT::getTypeForEVT(LLVMContext &Context) const {
179 switch (V.SimpleTy) {
180 default:
181 assert(isExtended() && "Type is not extended!");
182 return LLVMTy;
183 case MVT::isVoid: return Type::getVoidTy(Context);
184 case MVT::i1: return Type::getInt1Ty(Context);
185 case MVT::i8: return Type::getInt8Ty(Context);
186 case MVT::i16: return Type::getInt16Ty(Context);
187 case MVT::i32: return Type::getInt32Ty(Context);
188 case MVT::i64: return Type::getInt64Ty(Context);
189 case MVT::i128: return IntegerType::get(Context, 128);
190 case MVT::f16: return Type::getHalfTy(Context);
191 case MVT::bf16: return Type::getBFloatTy(Context);
192 case MVT::f32: return Type::getFloatTy(Context);
193 case MVT::f64: return Type::getDoubleTy(Context);
194 case MVT::f80: return Type::getX86_FP80Ty(Context);
195 case MVT::f128: return Type::getFP128Ty(Context);
196 case MVT::ppcf128: return Type::getPPC_FP128Ty(Context);
197 case MVT::x86mmx: return Type::getX86_MMXTy(Context);
198 case MVT::x86amx: return Type::getX86_AMXTy(Context);
199 case MVT::v1i1:
200 return FixedVectorType::get(Type::getInt1Ty(Context), 1);
201 case MVT::v2i1:
202 return FixedVectorType::get(Type::getInt1Ty(Context), 2);
203 case MVT::v4i1:
204 return FixedVectorType::get(Type::getInt1Ty(Context), 4);
205 case MVT::v8i1:
206 return FixedVectorType::get(Type::getInt1Ty(Context), 8);
207 case MVT::v16i1:
208 return FixedVectorType::get(Type::getInt1Ty(Context), 16);
209 case MVT::v32i1:
210 return FixedVectorType::get(Type::getInt1Ty(Context), 32);
211 case MVT::v64i1:
212 return FixedVectorType::get(Type::getInt1Ty(Context), 64);
213 case MVT::v128i1:
214 return FixedVectorType::get(Type::getInt1Ty(Context), 128);
215 case MVT::v256i1:
216 return FixedVectorType::get(Type::getInt1Ty(Context), 256);
217 case MVT::v512i1:
218 return FixedVectorType::get(Type::getInt1Ty(Context), 512);
219 case MVT::v1024i1:
220 return FixedVectorType::get(Type::getInt1Ty(Context), 1024);
221 case MVT::v1i8:
222 return FixedVectorType::get(Type::getInt8Ty(Context), 1);
223 case MVT::v2i8:
224 return FixedVectorType::get(Type::getInt8Ty(Context), 2);
225 case MVT::v4i8:
226 return FixedVectorType::get(Type::getInt8Ty(Context), 4);
227 case MVT::v8i8:
228 return FixedVectorType::get(Type::getInt8Ty(Context), 8);
229 case MVT::v16i8:
230 return FixedVectorType::get(Type::getInt8Ty(Context), 16);
231 case MVT::v32i8:
232 return FixedVectorType::get(Type::getInt8Ty(Context), 32);
233 case MVT::v64i8:
234 return FixedVectorType::get(Type::getInt8Ty(Context), 64);
235 case MVT::v128i8:
236 return FixedVectorType::get(Type::getInt8Ty(Context), 128);
237 case MVT::v256i8:
238 return FixedVectorType::get(Type::getInt8Ty(Context), 256);
239 case MVT::v1i16:
240 return FixedVectorType::get(Type::getInt16Ty(Context), 1);
241 case MVT::v2i16:
242 return FixedVectorType::get(Type::getInt16Ty(Context), 2);
243 case MVT::v3i16:
244 return FixedVectorType::get(Type::getInt16Ty(Context), 3);
245 case MVT::v4i16:
246 return FixedVectorType::get(Type::getInt16Ty(Context), 4);
247 case MVT::v8i16:
248 return FixedVectorType::get(Type::getInt16Ty(Context), 8);
249 case MVT::v16i16:
250 return FixedVectorType::get(Type::getInt16Ty(Context), 16);
251 case MVT::v32i16:
252 return FixedVectorType::get(Type::getInt16Ty(Context), 32);
253 case MVT::v64i16:
254 return FixedVectorType::get(Type::getInt16Ty(Context), 64);
255 case MVT::v128i16:
256 return FixedVectorType::get(Type::getInt16Ty(Context), 128);
257 case MVT::v1i32:
258 return FixedVectorType::get(Type::getInt32Ty(Context), 1);
259 case MVT::v2i32:
260 return FixedVectorType::get(Type::getInt32Ty(Context), 2);
261 case MVT::v3i32:
262 return FixedVectorType::get(Type::getInt32Ty(Context), 3);
263 case MVT::v4i32:
264 return FixedVectorType::get(Type::getInt32Ty(Context), 4);
265 case MVT::v5i32:
266 return FixedVectorType::get(Type::getInt32Ty(Context), 5);
267 case MVT::v8i32:
268 return FixedVectorType::get(Type::getInt32Ty(Context), 8);
269 case MVT::v16i32:
270 return FixedVectorType::get(Type::getInt32Ty(Context), 16);
271 case MVT::v32i32:
272 return FixedVectorType::get(Type::getInt32Ty(Context), 32);
273 case MVT::v64i32:
274 return FixedVectorType::get(Type::getInt32Ty(Context), 64);
275 case MVT::v128i32:
276 return FixedVectorType::get(Type::getInt32Ty(Context), 128);
277 case MVT::v256i32:
278 return FixedVectorType::get(Type::getInt32Ty(Context), 256);
279 case MVT::v512i32:
280 return FixedVectorType::get(Type::getInt32Ty(Context), 512);
281 case MVT::v1024i32:
282 return FixedVectorType::get(Type::getInt32Ty(Context), 1024);
283 case MVT::v2048i32:
284 return FixedVectorType::get(Type::getInt32Ty(Context), 2048);
285 case MVT::v1i64:
286 return FixedVectorType::get(Type::getInt64Ty(Context), 1);
287 case MVT::v2i64:
288 return FixedVectorType::get(Type::getInt64Ty(Context), 2);
289 case MVT::v4i64:
290 return FixedVectorType::get(Type::getInt64Ty(Context), 4);
291 case MVT::v8i64:
292 return FixedVectorType::get(Type::getInt64Ty(Context), 8);
293 case MVT::v16i64:
294 return FixedVectorType::get(Type::getInt64Ty(Context), 16);
295 case MVT::v32i64:
296 return FixedVectorType::get(Type::getInt64Ty(Context), 32);
297 case MVT::v64i64:
298 return FixedVectorType::get(Type::getInt64Ty(Context), 64);
299 case MVT::v128i64:
300 return FixedVectorType::get(Type::getInt64Ty(Context), 128);
301 case MVT::v256i64:
302 return FixedVectorType::get(Type::getInt64Ty(Context), 256);
303 case MVT::v1i128:
304 return FixedVectorType::get(Type::getInt128Ty(Context), 1);
305 case MVT::v2f16:
306 return FixedVectorType::get(Type::getHalfTy(Context), 2);
307 case MVT::v3f16:
308 return FixedVectorType::get(Type::getHalfTy(Context), 3);
309 case MVT::v4f16:
310 return FixedVectorType::get(Type::getHalfTy(Context), 4);
311 case MVT::v8f16:
312 return FixedVectorType::get(Type::getHalfTy(Context), 8);
313 case MVT::v16f16:
314 return FixedVectorType::get(Type::getHalfTy(Context), 16);
315 case MVT::v32f16:
316 return FixedVectorType::get(Type::getHalfTy(Context), 32);
317 case MVT::v64f16:
318 return FixedVectorType::get(Type::getHalfTy(Context), 64);
319 case MVT::v128f16:
320 return FixedVectorType::get(Type::getHalfTy(Context), 128);
321 case MVT::v2bf16:
322 return FixedVectorType::get(Type::getBFloatTy(Context), 2);
323 case MVT::v3bf16:
324 return FixedVectorType::get(Type::getBFloatTy(Context), 3);
325 case MVT::v4bf16:
326 return FixedVectorType::get(Type::getBFloatTy(Context), 4);
327 case MVT::v8bf16:
328 return FixedVectorType::get(Type::getBFloatTy(Context), 8);
329 case MVT::v16bf16:
330 return FixedVectorType::get(Type::getBFloatTy(Context), 16);
331 case MVT::v32bf16:
332 return FixedVectorType::get(Type::getBFloatTy(Context), 32);
333 case MVT::v64bf16:
334 return FixedVectorType::get(Type::getBFloatTy(Context), 64);
335 case MVT::v128bf16:
336 return FixedVectorType::get(Type::getBFloatTy(Context), 128);
337 case MVT::v1f32:
338 return FixedVectorType::get(Type::getFloatTy(Context), 1);
339 case MVT::v2f32:
340 return FixedVectorType::get(Type::getFloatTy(Context), 2);
341 case MVT::v3f32:
342 return FixedVectorType::get(Type::getFloatTy(Context), 3);
343 case MVT::v4f32:
344 return FixedVectorType::get(Type::getFloatTy(Context), 4);
345 case MVT::v5f32:
346 return FixedVectorType::get(Type::getFloatTy(Context), 5);
347 case MVT::v8f32:
348 return FixedVectorType::get(Type::getFloatTy(Context), 8);
349 case MVT::v16f32:
350 return FixedVectorType::get(Type::getFloatTy(Context), 16);
351 case MVT::v32f32:
352 return FixedVectorType::get(Type::getFloatTy(Context), 32);
353 case MVT::v64f32:
354 return FixedVectorType::get(Type::getFloatTy(Context), 64);
355 case MVT::v128f32:
356 return FixedVectorType::get(Type::getFloatTy(Context), 128);
357 case MVT::v256f32:
358 return FixedVectorType::get(Type::getFloatTy(Context), 256);
359 case MVT::v512f32:
360 return FixedVectorType::get(Type::getFloatTy(Context), 512);
361 case MVT::v1024f32:
362 return FixedVectorType::get(Type::getFloatTy(Context), 1024);
363 case MVT::v2048f32:
364 return FixedVectorType::get(Type::getFloatTy(Context), 2048);
365 case MVT::v1f64:
366 return FixedVectorType::get(Type::getDoubleTy(Context), 1);
367 case MVT::v2f64:
368 return FixedVectorType::get(Type::getDoubleTy(Context), 2);
369 case MVT::v4f64:
370 return FixedVectorType::get(Type::getDoubleTy(Context), 4);
371 case MVT::v8f64:
372 return FixedVectorType::get(Type::getDoubleTy(Context), 8);
373 case MVT::v16f64:
374 return FixedVectorType::get(Type::getDoubleTy(Context), 16);
375 case MVT::v32f64:
376 return FixedVectorType::get(Type::getDoubleTy(Context), 32);
377 case MVT::v64f64:
378 return FixedVectorType::get(Type::getDoubleTy(Context), 64);
379 case MVT::v128f64:
380 return FixedVectorType::get(Type::getDoubleTy(Context), 128);
381 case MVT::v256f64:
382 return FixedVectorType::get(Type::getDoubleTy(Context), 256);
383 case MVT::nxv1i1:
384 return ScalableVectorType::get(Type::getInt1Ty(Context), 1);
385 case MVT::nxv2i1:
386 return ScalableVectorType::get(Type::getInt1Ty(Context), 2);
387 case MVT::nxv4i1:
388 return ScalableVectorType::get(Type::getInt1Ty(Context), 4);
389 case MVT::nxv8i1:
390 return ScalableVectorType::get(Type::getInt1Ty(Context), 8);
391 case MVT::nxv16i1:
392 return ScalableVectorType::get(Type::getInt1Ty(Context), 16);
393 case MVT::nxv32i1:
394 return ScalableVectorType::get(Type::getInt1Ty(Context), 32);
395 case MVT::nxv64i1:
396 return ScalableVectorType::get(Type::getInt1Ty(Context), 64);
397 case MVT::nxv1i8:
398 return ScalableVectorType::get(Type::getInt8Ty(Context), 1);
399 case MVT::nxv2i8:
400 return ScalableVectorType::get(Type::getInt8Ty(Context), 2);
401 case MVT::nxv4i8:
402 return ScalableVectorType::get(Type::getInt8Ty(Context), 4);
403 case MVT::nxv8i8:
404 return ScalableVectorType::get(Type::getInt8Ty(Context), 8);
405 case MVT::nxv16i8:
406 return ScalableVectorType::get(Type::getInt8Ty(Context), 16);
407 case MVT::nxv32i8:
408 return ScalableVectorType::get(Type::getInt8Ty(Context), 32);
409 case MVT::nxv64i8:
410 return ScalableVectorType::get(Type::getInt8Ty(Context), 64);
411 case MVT::nxv1i16:
412 return ScalableVectorType::get(Type::getInt16Ty(Context), 1);
413 case MVT::nxv2i16:
414 return ScalableVectorType::get(Type::getInt16Ty(Context), 2);
415 case MVT::nxv4i16:
416 return ScalableVectorType::get(Type::getInt16Ty(Context), 4);
417 case MVT::nxv8i16:
418 return ScalableVectorType::get(Type::getInt16Ty(Context), 8);
419 case MVT::nxv16i16:
420 return ScalableVectorType::get(Type::getInt16Ty(Context), 16);
421 case MVT::nxv32i16:
422 return ScalableVectorType::get(Type::getInt16Ty(Context), 32);
423 case MVT::nxv1i32:
424 return ScalableVectorType::get(Type::getInt32Ty(Context), 1);
425 case MVT::nxv2i32:
426 return ScalableVectorType::get(Type::getInt32Ty(Context), 2);
427 case MVT::nxv4i32:
428 return ScalableVectorType::get(Type::getInt32Ty(Context), 4);
429 case MVT::nxv8i32:
430 return ScalableVectorType::get(Type::getInt32Ty(Context), 8);
431 case MVT::nxv16i32:
432 return ScalableVectorType::get(Type::getInt32Ty(Context), 16);
433 case MVT::nxv32i32:
434 return ScalableVectorType::get(Type::getInt32Ty(Context), 32);
435 case MVT::nxv1i64:
436 return ScalableVectorType::get(Type::getInt64Ty(Context), 1);
437 case MVT::nxv2i64:
438 return ScalableVectorType::get(Type::getInt64Ty(Context), 2);
439 case MVT::nxv4i64:
440 return ScalableVectorType::get(Type::getInt64Ty(Context), 4);
441 case MVT::nxv8i64:
442 return ScalableVectorType::get(Type::getInt64Ty(Context), 8);
443 case MVT::nxv16i64:
444 return ScalableVectorType::get(Type::getInt64Ty(Context), 16);
445 case MVT::nxv32i64:
446 return ScalableVectorType::get(Type::getInt64Ty(Context), 32);
447 case MVT::nxv1f16:
448 return ScalableVectorType::get(Type::getHalfTy(Context), 1);
449 case MVT::nxv2f16:
450 return ScalableVectorType::get(Type::getHalfTy(Context), 2);
451 case MVT::nxv4f16:
452 return ScalableVectorType::get(Type::getHalfTy(Context), 4);
453 case MVT::nxv8f16:
454 return ScalableVectorType::get(Type::getHalfTy(Context), 8);
455 case MVT::nxv16f16:
456 return ScalableVectorType::get(Type::getHalfTy(Context), 16);
457 case MVT::nxv32f16:
458 return ScalableVectorType::get(Type::getHalfTy(Context), 32);
459 case MVT::nxv2bf16:
460 return ScalableVectorType::get(Type::getBFloatTy(Context), 2);
461 case MVT::nxv4bf16:
462 return ScalableVectorType::get(Type::getBFloatTy(Context), 4);
463 case MVT::nxv8bf16:
464 return ScalableVectorType::get(Type::getBFloatTy(Context), 8);
465 case MVT::nxv1f32:
466 return ScalableVectorType::get(Type::getFloatTy(Context), 1);
467 case MVT::nxv2f32:
468 return ScalableVectorType::get(Type::getFloatTy(Context), 2);
469 case MVT::nxv4f32:
470 return ScalableVectorType::get(Type::getFloatTy(Context), 4);
471 case MVT::nxv8f32:
472 return ScalableVectorType::get(Type::getFloatTy(Context), 8);
473 case MVT::nxv16f32:
474 return ScalableVectorType::get(Type::getFloatTy(Context), 16);
475 case MVT::nxv1f64:
476 return ScalableVectorType::get(Type::getDoubleTy(Context), 1);
477 case MVT::nxv2f64:
478 return ScalableVectorType::get(Type::getDoubleTy(Context), 2);
479 case MVT::nxv4f64:
480 return ScalableVectorType::get(Type::getDoubleTy(Context), 4);
481 case MVT::nxv8f64:
482 return ScalableVectorType::get(Type::getDoubleTy(Context), 8);
483 case MVT::Metadata: return Type::getMetadataTy(Context);
484 }
485 }
486
487 /// Return the value type corresponding to the specified type. This returns all
488 /// pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned
489 /// as Other, otherwise they are invalid.
getVT(Type * Ty,bool HandleUnknown)490 MVT MVT::getVT(Type *Ty, bool HandleUnknown){
491 switch (Ty->getTypeID()) {
492 default:
493 if (HandleUnknown) return MVT(MVT::Other);
494 llvm_unreachable("Unknown type!");
495 case Type::VoidTyID:
496 return MVT::isVoid;
497 case Type::IntegerTyID:
498 return getIntegerVT(cast<IntegerType>(Ty)->getBitWidth());
499 case Type::HalfTyID: return MVT(MVT::f16);
500 case Type::BFloatTyID: return MVT(MVT::bf16);
501 case Type::FloatTyID: return MVT(MVT::f32);
502 case Type::DoubleTyID: return MVT(MVT::f64);
503 case Type::X86_FP80TyID: return MVT(MVT::f80);
504 case Type::X86_MMXTyID: return MVT(MVT::x86mmx);
505 case Type::X86_AMXTyID: return MVT(MVT::x86amx);
506 case Type::FP128TyID: return MVT(MVT::f128);
507 case Type::PPC_FP128TyID: return MVT(MVT::ppcf128);
508 case Type::PointerTyID: return MVT(MVT::iPTR);
509 case Type::FixedVectorTyID:
510 case Type::ScalableVectorTyID: {
511 VectorType *VTy = cast<VectorType>(Ty);
512 return getVectorVT(
513 getVT(VTy->getElementType(), /*HandleUnknown=*/ false),
514 VTy->getElementCount());
515 }
516 }
517 }
518
519 /// getEVT - Return the value type corresponding to the specified type. This
520 /// returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types
521 /// are returned as Other, otherwise they are invalid.
getEVT(Type * Ty,bool HandleUnknown)522 EVT EVT::getEVT(Type *Ty, bool HandleUnknown){
523 switch (Ty->getTypeID()) {
524 default:
525 return MVT::getVT(Ty, HandleUnknown);
526 case Type::IntegerTyID:
527 return getIntegerVT(Ty->getContext(), cast<IntegerType>(Ty)->getBitWidth());
528 case Type::FixedVectorTyID:
529 case Type::ScalableVectorTyID: {
530 VectorType *VTy = cast<VectorType>(Ty);
531 return getVectorVT(Ty->getContext(),
532 getEVT(VTy->getElementType(), /*HandleUnknown=*/ false),
533 VTy->getElementCount());
534 }
535 }
536 }
537