1 //===- BuiltinAttributes.cpp - C Interface to MLIR Builtin Attributes -----===//
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 "mlir-c/BuiltinAttributes.h"
10 #include "mlir/CAPI/AffineMap.h"
11 #include "mlir/CAPI/IR.h"
12 #include "mlir/CAPI/Support.h"
13 #include "mlir/IR/Attributes.h"
14 #include "mlir/IR/BuiltinTypes.h"
15 
16 using namespace mlir;
17 
18 MlirAttribute mlirAttributeGetNull() { return {nullptr}; }
19 
20 //===----------------------------------------------------------------------===//
21 // Affine map attribute.
22 //===----------------------------------------------------------------------===//
23 
24 bool mlirAttributeIsAAffineMap(MlirAttribute attr) {
25   return unwrap(attr).isa<AffineMapAttr>();
26 }
27 
28 MlirAttribute mlirAffineMapAttrGet(MlirAffineMap map) {
29   return wrap(AffineMapAttr::get(unwrap(map)));
30 }
31 
32 MlirAffineMap mlirAffineMapAttrGetValue(MlirAttribute attr) {
33   return wrap(unwrap(attr).cast<AffineMapAttr>().getValue());
34 }
35 
36 //===----------------------------------------------------------------------===//
37 // Array attribute.
38 //===----------------------------------------------------------------------===//
39 
40 bool mlirAttributeIsAArray(MlirAttribute attr) {
41   return unwrap(attr).isa<ArrayAttr>();
42 }
43 
44 MlirAttribute mlirArrayAttrGet(MlirContext ctx, intptr_t numElements,
45                                MlirAttribute const *elements) {
46   SmallVector<Attribute, 8> attrs;
47   return wrap(
48       ArrayAttr::get(unwrap(ctx), unwrapList(static_cast<size_t>(numElements),
49                                              elements, attrs)));
50 }
51 
52 intptr_t mlirArrayAttrGetNumElements(MlirAttribute attr) {
53   return static_cast<intptr_t>(unwrap(attr).cast<ArrayAttr>().size());
54 }
55 
56 MlirAttribute mlirArrayAttrGetElement(MlirAttribute attr, intptr_t pos) {
57   return wrap(unwrap(attr).cast<ArrayAttr>().getValue()[pos]);
58 }
59 
60 //===----------------------------------------------------------------------===//
61 // Dictionary attribute.
62 //===----------------------------------------------------------------------===//
63 
64 bool mlirAttributeIsADictionary(MlirAttribute attr) {
65   return unwrap(attr).isa<DictionaryAttr>();
66 }
67 
68 MlirAttribute mlirDictionaryAttrGet(MlirContext ctx, intptr_t numElements,
69                                     MlirNamedAttribute const *elements) {
70   SmallVector<NamedAttribute, 8> attributes;
71   attributes.reserve(numElements);
72   for (intptr_t i = 0; i < numElements; ++i)
73     attributes.emplace_back(unwrap(elements[i].name),
74                             unwrap(elements[i].attribute));
75   return wrap(DictionaryAttr::get(unwrap(ctx), attributes));
76 }
77 
78 intptr_t mlirDictionaryAttrGetNumElements(MlirAttribute attr) {
79   return static_cast<intptr_t>(unwrap(attr).cast<DictionaryAttr>().size());
80 }
81 
82 MlirNamedAttribute mlirDictionaryAttrGetElement(MlirAttribute attr,
83                                                 intptr_t pos) {
84   NamedAttribute attribute =
85       unwrap(attr).cast<DictionaryAttr>().getValue()[pos];
86   return {wrap(attribute.getName()), wrap(attribute.getValue())};
87 }
88 
89 MlirAttribute mlirDictionaryAttrGetElementByName(MlirAttribute attr,
90                                                  MlirStringRef name) {
91   return wrap(unwrap(attr).cast<DictionaryAttr>().get(unwrap(name)));
92 }
93 
94 //===----------------------------------------------------------------------===//
95 // Floating point attribute.
96 //===----------------------------------------------------------------------===//
97 
98 bool mlirAttributeIsAFloat(MlirAttribute attr) {
99   return unwrap(attr).isa<FloatAttr>();
100 }
101 
102 MlirAttribute mlirFloatAttrDoubleGet(MlirContext ctx, MlirType type,
103                                      double value) {
104   return wrap(FloatAttr::get(unwrap(type), value));
105 }
106 
107 MlirAttribute mlirFloatAttrDoubleGetChecked(MlirLocation loc, MlirType type,
108                                             double value) {
109   return wrap(FloatAttr::getChecked(unwrap(loc), unwrap(type), value));
110 }
111 
112 double mlirFloatAttrGetValueDouble(MlirAttribute attr) {
113   return unwrap(attr).cast<FloatAttr>().getValueAsDouble();
114 }
115 
116 //===----------------------------------------------------------------------===//
117 // Integer attribute.
118 //===----------------------------------------------------------------------===//
119 
120 bool mlirAttributeIsAInteger(MlirAttribute attr) {
121   return unwrap(attr).isa<IntegerAttr>();
122 }
123 
124 MlirAttribute mlirIntegerAttrGet(MlirType type, int64_t value) {
125   return wrap(IntegerAttr::get(unwrap(type), value));
126 }
127 
128 int64_t mlirIntegerAttrGetValueInt(MlirAttribute attr) {
129   return unwrap(attr).cast<IntegerAttr>().getInt();
130 }
131 
132 int64_t mlirIntegerAttrGetValueSInt(MlirAttribute attr) {
133   return unwrap(attr).cast<IntegerAttr>().getSInt();
134 }
135 
136 uint64_t mlirIntegerAttrGetValueUInt(MlirAttribute attr) {
137   return unwrap(attr).cast<IntegerAttr>().getUInt();
138 }
139 
140 //===----------------------------------------------------------------------===//
141 // Bool attribute.
142 //===----------------------------------------------------------------------===//
143 
144 bool mlirAttributeIsABool(MlirAttribute attr) {
145   return unwrap(attr).isa<BoolAttr>();
146 }
147 
148 MlirAttribute mlirBoolAttrGet(MlirContext ctx, int value) {
149   return wrap(BoolAttr::get(unwrap(ctx), value));
150 }
151 
152 bool mlirBoolAttrGetValue(MlirAttribute attr) {
153   return unwrap(attr).cast<BoolAttr>().getValue();
154 }
155 
156 //===----------------------------------------------------------------------===//
157 // Integer set attribute.
158 //===----------------------------------------------------------------------===//
159 
160 bool mlirAttributeIsAIntegerSet(MlirAttribute attr) {
161   return unwrap(attr).isa<IntegerSetAttr>();
162 }
163 
164 //===----------------------------------------------------------------------===//
165 // Opaque attribute.
166 //===----------------------------------------------------------------------===//
167 
168 bool mlirAttributeIsAOpaque(MlirAttribute attr) {
169   return unwrap(attr).isa<OpaqueAttr>();
170 }
171 
172 MlirAttribute mlirOpaqueAttrGet(MlirContext ctx, MlirStringRef dialectNamespace,
173                                 intptr_t dataLength, const char *data,
174                                 MlirType type) {
175   return wrap(
176       OpaqueAttr::get(StringAttr::get(unwrap(ctx), unwrap(dialectNamespace)),
177                       StringRef(data, dataLength), unwrap(type)));
178 }
179 
180 MlirStringRef mlirOpaqueAttrGetDialectNamespace(MlirAttribute attr) {
181   return wrap(unwrap(attr).cast<OpaqueAttr>().getDialectNamespace().strref());
182 }
183 
184 MlirStringRef mlirOpaqueAttrGetData(MlirAttribute attr) {
185   return wrap(unwrap(attr).cast<OpaqueAttr>().getAttrData());
186 }
187 
188 //===----------------------------------------------------------------------===//
189 // String attribute.
190 //===----------------------------------------------------------------------===//
191 
192 bool mlirAttributeIsAString(MlirAttribute attr) {
193   return unwrap(attr).isa<StringAttr>();
194 }
195 
196 MlirAttribute mlirStringAttrGet(MlirContext ctx, MlirStringRef str) {
197   return wrap((Attribute)StringAttr::get(unwrap(ctx), unwrap(str)));
198 }
199 
200 MlirAttribute mlirStringAttrTypedGet(MlirType type, MlirStringRef str) {
201   return wrap((Attribute)StringAttr::get(unwrap(str), unwrap(type)));
202 }
203 
204 MlirStringRef mlirStringAttrGetValue(MlirAttribute attr) {
205   return wrap(unwrap(attr).cast<StringAttr>().getValue());
206 }
207 
208 //===----------------------------------------------------------------------===//
209 // SymbolRef attribute.
210 //===----------------------------------------------------------------------===//
211 
212 bool mlirAttributeIsASymbolRef(MlirAttribute attr) {
213   return unwrap(attr).isa<SymbolRefAttr>();
214 }
215 
216 MlirAttribute mlirSymbolRefAttrGet(MlirContext ctx, MlirStringRef symbol,
217                                    intptr_t numReferences,
218                                    MlirAttribute const *references) {
219   SmallVector<FlatSymbolRefAttr, 4> refs;
220   refs.reserve(numReferences);
221   for (intptr_t i = 0; i < numReferences; ++i)
222     refs.push_back(unwrap(references[i]).cast<FlatSymbolRefAttr>());
223   auto symbolAttr = StringAttr::get(unwrap(ctx), unwrap(symbol));
224   return wrap(SymbolRefAttr::get(symbolAttr, refs));
225 }
226 
227 MlirStringRef mlirSymbolRefAttrGetRootReference(MlirAttribute attr) {
228   return wrap(unwrap(attr).cast<SymbolRefAttr>().getRootReference().getValue());
229 }
230 
231 MlirStringRef mlirSymbolRefAttrGetLeafReference(MlirAttribute attr) {
232   return wrap(unwrap(attr).cast<SymbolRefAttr>().getLeafReference().getValue());
233 }
234 
235 intptr_t mlirSymbolRefAttrGetNumNestedReferences(MlirAttribute attr) {
236   return static_cast<intptr_t>(
237       unwrap(attr).cast<SymbolRefAttr>().getNestedReferences().size());
238 }
239 
240 MlirAttribute mlirSymbolRefAttrGetNestedReference(MlirAttribute attr,
241                                                   intptr_t pos) {
242   return wrap(unwrap(attr).cast<SymbolRefAttr>().getNestedReferences()[pos]);
243 }
244 
245 //===----------------------------------------------------------------------===//
246 // Flat SymbolRef attribute.
247 //===----------------------------------------------------------------------===//
248 
249 bool mlirAttributeIsAFlatSymbolRef(MlirAttribute attr) {
250   return unwrap(attr).isa<FlatSymbolRefAttr>();
251 }
252 
253 MlirAttribute mlirFlatSymbolRefAttrGet(MlirContext ctx, MlirStringRef symbol) {
254   return wrap(FlatSymbolRefAttr::get(unwrap(ctx), unwrap(symbol)));
255 }
256 
257 MlirStringRef mlirFlatSymbolRefAttrGetValue(MlirAttribute attr) {
258   return wrap(unwrap(attr).cast<FlatSymbolRefAttr>().getValue());
259 }
260 
261 //===----------------------------------------------------------------------===//
262 // Type attribute.
263 //===----------------------------------------------------------------------===//
264 
265 bool mlirAttributeIsAType(MlirAttribute attr) {
266   return unwrap(attr).isa<TypeAttr>();
267 }
268 
269 MlirAttribute mlirTypeAttrGet(MlirType type) {
270   return wrap(TypeAttr::get(unwrap(type)));
271 }
272 
273 MlirType mlirTypeAttrGetValue(MlirAttribute attr) {
274   return wrap(unwrap(attr).cast<TypeAttr>().getValue());
275 }
276 
277 //===----------------------------------------------------------------------===//
278 // Unit attribute.
279 //===----------------------------------------------------------------------===//
280 
281 bool mlirAttributeIsAUnit(MlirAttribute attr) {
282   return unwrap(attr).isa<UnitAttr>();
283 }
284 
285 MlirAttribute mlirUnitAttrGet(MlirContext ctx) {
286   return wrap(UnitAttr::get(unwrap(ctx)));
287 }
288 
289 //===----------------------------------------------------------------------===//
290 // Elements attributes.
291 //===----------------------------------------------------------------------===//
292 
293 bool mlirAttributeIsAElements(MlirAttribute attr) {
294   return unwrap(attr).isa<ElementsAttr>();
295 }
296 
297 MlirAttribute mlirElementsAttrGetValue(MlirAttribute attr, intptr_t rank,
298                                        uint64_t *idxs) {
299   return wrap(unwrap(attr)
300                   .cast<ElementsAttr>()
301                   .getValues<Attribute>()[llvm::makeArrayRef(idxs, rank)]);
302 }
303 
304 bool mlirElementsAttrIsValidIndex(MlirAttribute attr, intptr_t rank,
305                                   uint64_t *idxs) {
306   return unwrap(attr).cast<ElementsAttr>().isValidIndex(
307       llvm::makeArrayRef(idxs, rank));
308 }
309 
310 int64_t mlirElementsAttrGetNumElements(MlirAttribute attr) {
311   return unwrap(attr).cast<ElementsAttr>().getNumElements();
312 }
313 
314 //===----------------------------------------------------------------------===//
315 // Dense elements attribute.
316 //===----------------------------------------------------------------------===//
317 
318 //===----------------------------------------------------------------------===//
319 // IsA support.
320 
321 bool mlirAttributeIsADenseElements(MlirAttribute attr) {
322   return unwrap(attr).isa<DenseElementsAttr>();
323 }
324 bool mlirAttributeIsADenseIntElements(MlirAttribute attr) {
325   return unwrap(attr).isa<DenseIntElementsAttr>();
326 }
327 bool mlirAttributeIsADenseFPElements(MlirAttribute attr) {
328   return unwrap(attr).isa<DenseFPElementsAttr>();
329 }
330 
331 //===----------------------------------------------------------------------===//
332 // Constructors.
333 
334 MlirAttribute mlirDenseElementsAttrGet(MlirType shapedType,
335                                        intptr_t numElements,
336                                        MlirAttribute const *elements) {
337   SmallVector<Attribute, 8> attributes;
338   return wrap(
339       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(),
340                              unwrapList(numElements, elements, attributes)));
341 }
342 
343 MlirAttribute mlirDenseElementsAttrRawBufferGet(MlirType shapedType,
344                                                 size_t rawBufferSize,
345                                                 const void *rawBuffer) {
346   auto shapedTypeCpp = unwrap(shapedType).cast<ShapedType>();
347   ArrayRef<char> rawBufferCpp(static_cast<const char *>(rawBuffer),
348                               rawBufferSize);
349   bool isSplat = false;
350   if (!DenseElementsAttr::isValidRawBuffer(shapedTypeCpp, rawBufferCpp,
351                                            isSplat)) {
352     return mlirAttributeGetNull();
353   }
354   return wrap(DenseElementsAttr::getFromRawBuffer(shapedTypeCpp, rawBufferCpp,
355                                                   isSplat));
356 }
357 
358 MlirAttribute mlirDenseElementsAttrSplatGet(MlirType shapedType,
359                                             MlirAttribute element) {
360   return wrap(DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(),
361                                      unwrap(element)));
362 }
363 MlirAttribute mlirDenseElementsAttrBoolSplatGet(MlirType shapedType,
364                                                 bool element) {
365   return wrap(
366       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
367 }
368 MlirAttribute mlirDenseElementsAttrUInt8SplatGet(MlirType shapedType,
369                                                  uint8_t element) {
370   return wrap(
371       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
372 }
373 MlirAttribute mlirDenseElementsAttrInt8SplatGet(MlirType shapedType,
374                                                 int8_t element) {
375   return wrap(
376       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
377 }
378 MlirAttribute mlirDenseElementsAttrUInt32SplatGet(MlirType shapedType,
379                                                   uint32_t element) {
380   return wrap(
381       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
382 }
383 MlirAttribute mlirDenseElementsAttrInt32SplatGet(MlirType shapedType,
384                                                  int32_t element) {
385   return wrap(
386       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
387 }
388 MlirAttribute mlirDenseElementsAttrUInt64SplatGet(MlirType shapedType,
389                                                   uint64_t element) {
390   return wrap(
391       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
392 }
393 MlirAttribute mlirDenseElementsAttrInt64SplatGet(MlirType shapedType,
394                                                  int64_t element) {
395   return wrap(
396       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
397 }
398 MlirAttribute mlirDenseElementsAttrFloatSplatGet(MlirType shapedType,
399                                                  float element) {
400   return wrap(
401       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
402 }
403 MlirAttribute mlirDenseElementsAttrDoubleSplatGet(MlirType shapedType,
404                                                   double element) {
405   return wrap(
406       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), element));
407 }
408 
409 MlirAttribute mlirDenseElementsAttrBoolGet(MlirType shapedType,
410                                            intptr_t numElements,
411                                            const int *elements) {
412   SmallVector<bool, 8> values(elements, elements + numElements);
413   return wrap(
414       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), values));
415 }
416 
417 /// Creates a dense attribute with elements of the type deduced by templates.
418 template <typename T>
419 static MlirAttribute getDenseAttribute(MlirType shapedType,
420                                        intptr_t numElements,
421                                        const T *elements) {
422   return wrap(
423       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(),
424                              llvm::makeArrayRef(elements, numElements)));
425 }
426 
427 MlirAttribute mlirDenseElementsAttrUInt8Get(MlirType shapedType,
428                                             intptr_t numElements,
429                                             const uint8_t *elements) {
430   return getDenseAttribute(shapedType, numElements, elements);
431 }
432 MlirAttribute mlirDenseElementsAttrInt8Get(MlirType shapedType,
433                                            intptr_t numElements,
434                                            const int8_t *elements) {
435   return getDenseAttribute(shapedType, numElements, elements);
436 }
437 MlirAttribute mlirDenseElementsAttrUInt16Get(MlirType shapedType,
438                                              intptr_t numElements,
439                                              const uint16_t *elements) {
440   return getDenseAttribute(shapedType, numElements, elements);
441 }
442 MlirAttribute mlirDenseElementsAttrInt16Get(MlirType shapedType,
443                                             intptr_t numElements,
444                                             const int16_t *elements) {
445   return getDenseAttribute(shapedType, numElements, elements);
446 }
447 MlirAttribute mlirDenseElementsAttrUInt32Get(MlirType shapedType,
448                                              intptr_t numElements,
449                                              const uint32_t *elements) {
450   return getDenseAttribute(shapedType, numElements, elements);
451 }
452 MlirAttribute mlirDenseElementsAttrInt32Get(MlirType shapedType,
453                                             intptr_t numElements,
454                                             const int32_t *elements) {
455   return getDenseAttribute(shapedType, numElements, elements);
456 }
457 MlirAttribute mlirDenseElementsAttrUInt64Get(MlirType shapedType,
458                                              intptr_t numElements,
459                                              const uint64_t *elements) {
460   return getDenseAttribute(shapedType, numElements, elements);
461 }
462 MlirAttribute mlirDenseElementsAttrInt64Get(MlirType shapedType,
463                                             intptr_t numElements,
464                                             const int64_t *elements) {
465   return getDenseAttribute(shapedType, numElements, elements);
466 }
467 MlirAttribute mlirDenseElementsAttrFloatGet(MlirType shapedType,
468                                             intptr_t numElements,
469                                             const float *elements) {
470   return getDenseAttribute(shapedType, numElements, elements);
471 }
472 MlirAttribute mlirDenseElementsAttrDoubleGet(MlirType shapedType,
473                                              intptr_t numElements,
474                                              const double *elements) {
475   return getDenseAttribute(shapedType, numElements, elements);
476 }
477 MlirAttribute mlirDenseElementsAttrBFloat16Get(MlirType shapedType,
478                                                intptr_t numElements,
479                                                const uint16_t *elements) {
480   size_t bufferSize = numElements * 2;
481   const void *buffer = static_cast<const void *>(elements);
482   return mlirDenseElementsAttrRawBufferGet(shapedType, bufferSize, buffer);
483 }
484 
485 MlirAttribute mlirDenseElementsAttrStringGet(MlirType shapedType,
486                                              intptr_t numElements,
487                                              MlirStringRef *strs) {
488   SmallVector<StringRef, 8> values;
489   values.reserve(numElements);
490   for (intptr_t i = 0; i < numElements; ++i)
491     values.push_back(unwrap(strs[i]));
492 
493   return wrap(
494       DenseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(), values));
495 }
496 
497 MlirAttribute mlirDenseElementsAttrReshapeGet(MlirAttribute attr,
498                                               MlirType shapedType) {
499   return wrap(unwrap(attr).cast<DenseElementsAttr>().reshape(
500       unwrap(shapedType).cast<ShapedType>()));
501 }
502 
503 //===----------------------------------------------------------------------===//
504 // Splat accessors.
505 
506 bool mlirDenseElementsAttrIsSplat(MlirAttribute attr) {
507   return unwrap(attr).cast<DenseElementsAttr>().isSplat();
508 }
509 
510 MlirAttribute mlirDenseElementsAttrGetSplatValue(MlirAttribute attr) {
511   return wrap(
512       unwrap(attr).cast<DenseElementsAttr>().getSplatValue<Attribute>());
513 }
514 int mlirDenseElementsAttrGetBoolSplatValue(MlirAttribute attr) {
515   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<bool>();
516 }
517 int8_t mlirDenseElementsAttrGetInt8SplatValue(MlirAttribute attr) {
518   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<int8_t>();
519 }
520 uint8_t mlirDenseElementsAttrGetUInt8SplatValue(MlirAttribute attr) {
521   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<uint8_t>();
522 }
523 int32_t mlirDenseElementsAttrGetInt32SplatValue(MlirAttribute attr) {
524   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<int32_t>();
525 }
526 uint32_t mlirDenseElementsAttrGetUInt32SplatValue(MlirAttribute attr) {
527   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<uint32_t>();
528 }
529 int64_t mlirDenseElementsAttrGetInt64SplatValue(MlirAttribute attr) {
530   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<int64_t>();
531 }
532 uint64_t mlirDenseElementsAttrGetUInt64SplatValue(MlirAttribute attr) {
533   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<uint64_t>();
534 }
535 float mlirDenseElementsAttrGetFloatSplatValue(MlirAttribute attr) {
536   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<float>();
537 }
538 double mlirDenseElementsAttrGetDoubleSplatValue(MlirAttribute attr) {
539   return unwrap(attr).cast<DenseElementsAttr>().getSplatValue<double>();
540 }
541 MlirStringRef mlirDenseElementsAttrGetStringSplatValue(MlirAttribute attr) {
542   return wrap(
543       unwrap(attr).cast<DenseElementsAttr>().getSplatValue<StringRef>());
544 }
545 
546 //===----------------------------------------------------------------------===//
547 // Indexed accessors.
548 
549 bool mlirDenseElementsAttrGetBoolValue(MlirAttribute attr, intptr_t pos) {
550   return unwrap(attr).cast<DenseElementsAttr>().getValues<bool>()[pos];
551 }
552 int8_t mlirDenseElementsAttrGetInt8Value(MlirAttribute attr, intptr_t pos) {
553   return unwrap(attr).cast<DenseElementsAttr>().getValues<int8_t>()[pos];
554 }
555 uint8_t mlirDenseElementsAttrGetUInt8Value(MlirAttribute attr, intptr_t pos) {
556   return unwrap(attr).cast<DenseElementsAttr>().getValues<uint8_t>()[pos];
557 }
558 int16_t mlirDenseElementsAttrGetInt16Value(MlirAttribute attr, intptr_t pos) {
559   return unwrap(attr).cast<DenseElementsAttr>().getValues<int16_t>()[pos];
560 }
561 uint16_t mlirDenseElementsAttrGetUInt16Value(MlirAttribute attr, intptr_t pos) {
562   return unwrap(attr).cast<DenseElementsAttr>().getValues<uint16_t>()[pos];
563 }
564 int32_t mlirDenseElementsAttrGetInt32Value(MlirAttribute attr, intptr_t pos) {
565   return unwrap(attr).cast<DenseElementsAttr>().getValues<int32_t>()[pos];
566 }
567 uint32_t mlirDenseElementsAttrGetUInt32Value(MlirAttribute attr, intptr_t pos) {
568   return unwrap(attr).cast<DenseElementsAttr>().getValues<uint32_t>()[pos];
569 }
570 int64_t mlirDenseElementsAttrGetInt64Value(MlirAttribute attr, intptr_t pos) {
571   return unwrap(attr).cast<DenseElementsAttr>().getValues<int64_t>()[pos];
572 }
573 uint64_t mlirDenseElementsAttrGetUInt64Value(MlirAttribute attr, intptr_t pos) {
574   return unwrap(attr).cast<DenseElementsAttr>().getValues<uint64_t>()[pos];
575 }
576 float mlirDenseElementsAttrGetFloatValue(MlirAttribute attr, intptr_t pos) {
577   return unwrap(attr).cast<DenseElementsAttr>().getValues<float>()[pos];
578 }
579 double mlirDenseElementsAttrGetDoubleValue(MlirAttribute attr, intptr_t pos) {
580   return unwrap(attr).cast<DenseElementsAttr>().getValues<double>()[pos];
581 }
582 MlirStringRef mlirDenseElementsAttrGetStringValue(MlirAttribute attr,
583                                                   intptr_t pos) {
584   return wrap(
585       unwrap(attr).cast<DenseElementsAttr>().getValues<StringRef>()[pos]);
586 }
587 
588 //===----------------------------------------------------------------------===//
589 // Raw data accessors.
590 
591 const void *mlirDenseElementsAttrGetRawData(MlirAttribute attr) {
592   return static_cast<const void *>(
593       unwrap(attr).cast<DenseElementsAttr>().getRawData().data());
594 }
595 
596 //===----------------------------------------------------------------------===//
597 // Opaque elements attribute.
598 //===----------------------------------------------------------------------===//
599 
600 bool mlirAttributeIsAOpaqueElements(MlirAttribute attr) {
601   return unwrap(attr).isa<OpaqueElementsAttr>();
602 }
603 
604 //===----------------------------------------------------------------------===//
605 // Sparse elements attribute.
606 //===----------------------------------------------------------------------===//
607 
608 bool mlirAttributeIsASparseElements(MlirAttribute attr) {
609   return unwrap(attr).isa<SparseElementsAttr>();
610 }
611 
612 MlirAttribute mlirSparseElementsAttribute(MlirType shapedType,
613                                           MlirAttribute denseIndices,
614                                           MlirAttribute denseValues) {
615   return wrap(
616       SparseElementsAttr::get(unwrap(shapedType).cast<ShapedType>(),
617                               unwrap(denseIndices).cast<DenseElementsAttr>(),
618                               unwrap(denseValues).cast<DenseElementsAttr>()));
619 }
620 
621 MlirAttribute mlirSparseElementsAttrGetIndices(MlirAttribute attr) {
622   return wrap(unwrap(attr).cast<SparseElementsAttr>().getIndices());
623 }
624 
625 MlirAttribute mlirSparseElementsAttrGetValues(MlirAttribute attr) {
626   return wrap(unwrap(attr).cast<SparseElementsAttr>().getValues());
627 }
628