1// RUN: mlir-opt %s --sparse-tensor-conversion --canonicalize --cse | FileCheck %s
2
3#DenseVector = #sparse_tensor.encoding<{
4  dimLevelType = ["dense"]
5}>
6
7#SparseVector = #sparse_tensor.encoding<{
8  dimLevelType = ["compressed"]
9}>
10
11#SparseVector64 = #sparse_tensor.encoding<{
12  dimLevelType = ["compressed"],
13  pointerBitWidth = 64,
14  indexBitWidth = 64
15}>
16
17#SparseVector32 = #sparse_tensor.encoding<{
18  dimLevelType = ["compressed"],
19  pointerBitWidth = 32,
20  indexBitWidth = 32
21}>
22
23#SparseMatrix = #sparse_tensor.encoding<{
24  dimLevelType = ["dense", "compressed"]
25}>
26
27#SparseTensor = #sparse_tensor.encoding<{
28  dimLevelType = ["dense", "compressed", "compressed"],
29  dimOrdering = affine_map<(i,j,k) -> (k,i,j)>
30}>
31
32// CHECK-LABEL: func @sparse_dim1d(
33//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
34//       CHECK: %[[C:.*]] = constant 0 : index
35//       CHECK: %[[D:.*]] = call @sparseDimSize(%[[A]], %[[C]])
36//       CHECK: return %[[D]] : index
37func @sparse_dim1d(%arg0: tensor<?xf64, #SparseVector>) -> index {
38  %c = constant 0 : index
39  %0 = tensor.dim %arg0, %c : tensor<?xf64, #SparseVector>
40  return %0 : index
41}
42
43// CHECK-LABEL: func @sparse_dim3d(
44//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
45//       CHECK: %[[C:.*]] = constant 2 : index
46//       CHECK: %[[D:.*]] = call @sparseDimSize(%[[A]], %[[C]])
47//       CHECK: return %[[D]] : index
48func @sparse_dim3d(%arg0: tensor<?x?x?xf64, #SparseTensor>) -> index {
49  // Querying for dimension 1 in the tensor type needs to be
50  // permuted into querying for dimension 2 in the stored sparse
51  // tensor scheme, since the latter honors the dimOrdering.
52  %c = constant 1 : index
53  %0 = tensor.dim %arg0, %c : tensor<?x?x?xf64, #SparseTensor>
54  return %0 : index
55}
56
57// CHECK-LABEL: func @sparse_dim3d_const(
58//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
59//       CHECK: %[[C:.*]] = constant 20 : index
60//       CHECK: return %[[C]] : index
61func @sparse_dim3d_const(%arg0: tensor<10x20x30xf64, #SparseTensor>) -> index {
62  // Querying for dimension 1 in the tensor type can be directly
63  // folded into the right value (even though it corresponds
64  // to dimension 2 in the stored sparse tensor scheme).
65  %c = constant 1 : index
66  %0 = tensor.dim %arg0, %c : tensor<10x20x30xf64, #SparseTensor>
67  return %0 : index
68}
69
70// CHECK-LABEL: func @sparse_new1d(
71//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>) -> !llvm.ptr<i8>
72//   CHECK-DAG: %[[U:.*]] = constant dense<1> : tensor<1xi8>
73//   CHECK-DAG: %[[V:.*]] = constant dense<128> : tensor<1xi64>
74//   CHECK-DAG: %[[W:.*]] = constant dense<0> : tensor<1xi64>
75//   CHECK-DAG: %[[X:.*]] = tensor.cast %[[U]] : tensor<1xi8> to tensor<?xi8>
76//   CHECK-DAG: %[[Y:.*]] = tensor.cast %[[V]] : tensor<1xi64> to tensor<?xi64>
77//   CHECK-DAG: %[[Z:.*]] = tensor.cast %[[W]] : tensor<1xi64> to tensor<?xi64>
78//       CHECK: %[[T:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[A]])
79//       CHECK: return %[[T]] : !llvm.ptr<i8>
80func @sparse_new1d(%arg0: !llvm.ptr<i8>) -> tensor<128xf64, #SparseVector> {
81  %0 = sparse_tensor.new %arg0 : !llvm.ptr<i8> to tensor<128xf64, #SparseVector>
82  return %0 : tensor<128xf64, #SparseVector>
83}
84
85// CHECK-LABEL: func @sparse_new2d(
86//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>) -> !llvm.ptr<i8>
87//   CHECK-DAG: %[[U:.*]] = constant dense<[0, 1]> : tensor<2xi8>
88//   CHECK-DAG: %[[V:.*]] = constant dense<0> : tensor<2xi64>
89//   CHECK-DAG: %[[W:.*]] = constant dense<[0, 1]> : tensor<2xi64>
90//   CHECK-DAG: %[[X:.*]] = tensor.cast %[[U]] : tensor<2xi8> to tensor<?xi8>
91//   CHECK-DAG: %[[Y:.*]] = tensor.cast %[[V]] : tensor<2xi64> to tensor<?xi64>
92//   CHECK-DAG: %[[Z:.*]] = tensor.cast %[[W]] : tensor<2xi64> to tensor<?xi64>
93//       CHECK: %[[T:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[A]])
94//       CHECK: return %[[T]] : !llvm.ptr<i8>
95func @sparse_new2d(%arg0: !llvm.ptr<i8>) -> tensor<?x?xf32, #SparseMatrix> {
96  %0 = sparse_tensor.new %arg0 : !llvm.ptr<i8> to tensor<?x?xf32, #SparseMatrix>
97  return %0 : tensor<?x?xf32, #SparseMatrix>
98}
99
100// CHECK-LABEL: func @sparse_new3d(
101//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>) -> !llvm.ptr<i8>
102//   CHECK-DAG: %[[U:.*]] = constant dense<[0, 1, 1]> : tensor<3xi8>
103//   CHECK-DAG: %[[V:.*]] = constant dense<0> : tensor<3xi64>
104//   CHECK-DAG: %[[W:.*]] = constant dense<[1, 2, 0]> : tensor<3xi64>
105//   CHECK-DAG: %[[X:.*]] = tensor.cast %[[U]] : tensor<3xi8> to tensor<?xi8>
106//   CHECK-DAG: %[[Y:.*]] = tensor.cast %[[V]] : tensor<3xi64> to tensor<?xi64>
107//   CHECK-DAG: %[[Z:.*]] = tensor.cast %[[W]] : tensor<3xi64> to tensor<?xi64>
108//       CHECK: %[[T:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[A]])
109//       CHECK: return %[[T]] : !llvm.ptr<i8>
110func @sparse_new3d(%arg0: !llvm.ptr<i8>) -> tensor<?x?x?xf32, #SparseTensor> {
111  %0 = sparse_tensor.new %arg0 : !llvm.ptr<i8> to tensor<?x?x?xf32, #SparseTensor>
112  return %0 : tensor<?x?x?xf32, #SparseTensor>
113}
114
115// CHECK-LABEL: func @sparse_convert_1d(
116//  CHECK-SAME: %[[A:.*]]: tensor<?xi32>) -> !llvm.ptr<i8>
117//   CHECK-DAG: %[[C0:.*]] = constant 0 : index
118//   CHECK-DAG: %[[C1:.*]] = constant 1 : index
119//   CHECK-DAG: %[[D0:.*]] = constant dense<0> : tensor<1xi64>
120//   CHECK-DAG: %[[D1:.*]] = constant dense<1> : tensor<1xi8>
121//   CHECK-DAG: %[[X:.*]] = tensor.cast %[[D1]] : tensor<1xi8> to tensor<?xi8>
122//   CHECK-DAG: %[[Y:.*]] = tensor.cast %[[D0]] : tensor<1xi64> to tensor<?xi64>
123//       CHECK: %[[C:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Y]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.}})
124//       CHECK: %[[M:.*]] = memref.alloca() : memref<1xindex>
125//       CHECK: %[[T:.*]] = memref.cast %[[M]] : memref<1xindex> to memref<?xindex>
126//       CHECK: %[[U:.*]] = tensor.dim %[[A]], %[[C0]] : tensor<?xi32>
127//       CHECK: scf.for %[[I:.*]] = %[[C0]] to %[[U]] step %[[C1]] {
128//       CHECK:   %[[E:.*]] = tensor.extract %[[A]][%[[I]]] : tensor<?xi32>
129//       CHECK:   memref.store %[[I]], %[[M]][%[[C0]]] : memref<1xindex>
130//       CHECK:   call @addEltI32(%[[C]], %[[E]], %[[T]], %[[Y]])
131//       CHECK: }
132//       CHECK: %[[T:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Y]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[C]])
133//       CHECK: return %[[T]] : !llvm.ptr<i8>
134func @sparse_convert_1d(%arg0: tensor<?xi32>) -> tensor<?xi32, #SparseVector> {
135  %0 = sparse_tensor.convert %arg0 : tensor<?xi32> to tensor<?xi32, #SparseVector>
136  return %0 : tensor<?xi32, #SparseVector>
137}
138
139// CHECK-LABEL: func @sparse_convert_1d_ss(
140//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
141//       CHECK: %[[C:.*]] = call @newSparseTensor(%{{.}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[A]])
142//       CHECK: %[[T:.*]] = call @newSparseTensor(%{{.}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[C]])
143//       CHECK: return %[[T]] : !llvm.ptr<i8>
144func @sparse_convert_1d_ss(%arg0: tensor<?xf32, #SparseVector64>) -> tensor<?xf32, #SparseVector32> {
145  %0 = sparse_tensor.convert %arg0 : tensor<?xf32, #SparseVector64> to tensor<?xf32, #SparseVector32>
146  return %0 : tensor<?xf32, #SparseVector32>
147}
148
149// CHECK-LABEL: func @sparse_convert_2d(
150//  CHECK-SAME: %[[A:.*]]: tensor<2x4xf64>) -> !llvm.ptr<i8>
151//   CHECK-DAG: %[[C0:.*]] = constant 0 : index
152//   CHECK-DAG: %[[C1:.*]] = constant 1 : index
153//   CHECK-DAG: %[[U:.*]] = constant dense<[0, 1]> : tensor<2xi8>
154//   CHECK-DAG: %[[V:.*]] = constant dense<[2, 4]> : tensor<2xi64>
155//   CHECK-DAG: %[[W:.*]] = constant dense<[0, 1]> : tensor<2xi64>
156//   CHECK-DAG: %[[X:.*]] = tensor.cast %[[U]] : tensor<2xi8> to tensor<?xi8>
157//   CHECK-DAG: %[[Y:.*]] = tensor.cast %[[V]] : tensor<2xi64> to tensor<?xi64>
158//   CHECK-DAG: %[[Z:.*]] = tensor.cast %[[W]] : tensor<2xi64> to tensor<?xi64>
159//       CHECK: %[[C:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.}})
160//       CHECK: %[[M:.*]] = memref.alloca() : memref<2xindex>
161//       CHECK: %[[T:.*]] = memref.cast %[[M]] : memref<2xindex> to memref<?xindex>
162//       CHECK: scf.for %[[I:.*]] = %[[C0]] to %{{.*}} step %[[C1]] {
163//       CHECK:   scf.for %[[J:.*]] = %[[C0]] to %{{.*}} step %[[C1]] {
164//       CHECK:     %[[E:.*]] = tensor.extract %[[A]][%[[I]], %[[J]]] : tensor<2x4xf64>
165//       CHECK:     memref.store %[[I]], %[[M]][%[[C0]]] : memref<2xindex>
166//       CHECK:     memref.store %[[J]], %[[M]][%[[C1]]] : memref<2xindex>
167//       CHECK:     call @addEltF64(%[[C]], %[[E]], %[[T]], %[[Z]])
168//       CHECK:   }
169//       CHECK: }
170//       CHECK: %[[T:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[C]])
171//       CHECK: return %[[T]] : !llvm.ptr<i8>
172func @sparse_convert_2d(%arg0: tensor<2x4xf64>) -> tensor<2x4xf64, #SparseMatrix> {
173  %0 = sparse_tensor.convert %arg0 : tensor<2x4xf64> to tensor<2x4xf64, #SparseMatrix>
174  return %0 : tensor<2x4xf64, #SparseMatrix>
175}
176
177// CHECK-LABEL: func @sparse_convert_3d(
178//  CHECK-SAME: %[[A:.*]]: tensor<?x?x?xf64>) -> !llvm.ptr<i8>
179//   CHECK-DAG: %[[C0:.*]] = constant 0 : index
180//   CHECK-DAG: %[[C1:.*]] = constant 1 : index
181//   CHECK-DAG: %[[C2:.*]] = constant 2 : index
182//   CHECK-DAG: %[[U:.*]] = constant dense<[0, 1, 1]> : tensor<3xi8>
183//   CHECK-DAG: %[[V:.*]] = constant dense<0> : tensor<3xi64>
184//   CHECK-DAG: %[[W:.*]] = constant dense<[1, 2, 0]> : tensor<3xi64>
185//   CHECK-DAG: %[[X:.*]] = tensor.cast %[[U]] : tensor<3xi8> to tensor<?xi8>
186//   CHECK-DAG: %[[Y:.*]] = tensor.cast %[[V]] : tensor<3xi64> to tensor<?xi64>
187//   CHECK-DAG: %[[Z:.*]] = tensor.cast %[[W]] : tensor<3xi64> to tensor<?xi64>
188//       CHECK: %[[C:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.}})
189//       CHECK: %[[M:.*]] = memref.alloca() : memref<3xindex>
190//       CHECK: %[[T:.*]] = memref.cast %[[M]] : memref<3xindex> to memref<?xindex>
191//       CHECK: %[[U1:.*]] = tensor.dim %[[A]], %[[C0]] : tensor<?x?x?xf64>
192//       CHECK: %[[U2:.*]] = tensor.dim %[[A]], %[[C1]] : tensor<?x?x?xf64>
193//       CHECK: %[[U3:.*]] = tensor.dim %[[A]], %[[C2]] : tensor<?x?x?xf64>
194//       CHECK: scf.for %[[I:.*]] = %[[C0]] to %[[U1]] step %[[C1]] {
195//       CHECK:   scf.for %[[J:.*]] = %[[C0]] to %[[U2]] step %[[C1]] {
196//       CHECK:     scf.for %[[K:.*]] = %[[C0]] to %[[U3]] step %[[C1]] {
197//       CHECK:       %[[E:.*]] = tensor.extract %[[A]][%[[I]], %[[J]], %[[K]]] : tensor<?x?x?xf64>
198//       CHECK:       memref.store %[[I]], %[[M]][%[[C0]]] : memref<3xindex>
199//       CHECK:       memref.store %[[J]], %[[M]][%[[C1]]] : memref<3xindex>
200//       CHECK:       memref.store %[[K]], %[[M]][%[[C2]]] : memref<3xindex>
201//       CHECK:       call @addEltF64(%[[C]], %[[E]], %[[T]], %[[Z]])
202//       CHECK:     }
203//       CHECK:   }
204//       CHECK: }
205//       CHECK: %[[T:.*]] = call @newSparseTensor(%[[X]], %[[Y]], %[[Z]], %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %[[C]])
206//       CHECK: return %[[T]] : !llvm.ptr<i8>
207func @sparse_convert_3d(%arg0: tensor<?x?x?xf64>) -> tensor<?x?x?xf64, #SparseTensor> {
208  %0 = sparse_tensor.convert %arg0 : tensor<?x?x?xf64> to tensor<?x?x?xf64, #SparseTensor>
209  return %0 : tensor<?x?x?xf64, #SparseTensor>
210}
211
212// CHECK-LABEL: func @sparse_pointers(
213//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
214//       CHECK: %[[C:.*]] = constant 0 : index
215//       CHECK: %[[T:.*]] = call @sparsePointers(%[[A]], %[[C]]) : (!llvm.ptr<i8>, index) -> memref<?xindex>
216//       CHECK: return %[[T]] : memref<?xindex>
217func @sparse_pointers(%arg0: tensor<128xf64, #SparseVector>) -> memref<?xindex> {
218  %c = constant 0 : index
219  %0 = sparse_tensor.pointers %arg0, %c : tensor<128xf64, #SparseVector> to memref<?xindex>
220  return %0 : memref<?xindex>
221}
222
223// CHECK-LABEL: func @sparse_pointers64(
224//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
225//       CHECK: %[[C:.*]] = constant 0 : index
226//       CHECK: %[[T:.*]] = call @sparsePointers64(%[[A]], %[[C]]) : (!llvm.ptr<i8>, index) -> memref<?xi64>
227//       CHECK: return %[[T]] : memref<?xi64>
228func @sparse_pointers64(%arg0: tensor<128xf64, #SparseVector64>) -> memref<?xi64> {
229  %c = constant 0 : index
230  %0 = sparse_tensor.pointers %arg0, %c : tensor<128xf64, #SparseVector64> to memref<?xi64>
231  return %0 : memref<?xi64>
232}
233
234// CHECK-LABEL: func @sparse_pointers32(
235//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
236//       CHECK: %[[C:.*]] = constant 0 : index
237//       CHECK: %[[T:.*]] = call @sparsePointers32(%[[A]], %[[C]]) : (!llvm.ptr<i8>, index) -> memref<?xi32>
238//       CHECK: return %[[T]] : memref<?xi32>
239func @sparse_pointers32(%arg0: tensor<128xf64, #SparseVector32>) -> memref<?xi32> {
240  %c = constant 0 : index
241  %0 = sparse_tensor.pointers %arg0, %c : tensor<128xf64, #SparseVector32> to memref<?xi32>
242  return %0 : memref<?xi32>
243}
244
245// CHECK-LABEL: func @sparse_indices(
246//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
247//       CHECK: %[[C:.*]] = constant 0 : index
248//       CHECK: %[[T:.*]] = call @sparseIndices(%[[A]], %[[C]]) : (!llvm.ptr<i8>, index) -> memref<?xindex>
249//       CHECK: return %[[T]] : memref<?xindex>
250func @sparse_indices(%arg0: tensor<128xf64, #SparseVector>) -> memref<?xindex> {
251  %c = constant 0 : index
252  %0 = sparse_tensor.indices %arg0, %c : tensor<128xf64, #SparseVector> to memref<?xindex>
253  return %0 : memref<?xindex>
254}
255
256// CHECK-LABEL: func @sparse_indices64(
257//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
258//       CHECK: %[[C:.*]] = constant 0 : index
259//       CHECK: %[[T:.*]] = call @sparseIndices64(%[[A]], %[[C]]) : (!llvm.ptr<i8>, index) -> memref<?xi64>
260//       CHECK: return %[[T]] : memref<?xi64>
261func @sparse_indices64(%arg0: tensor<128xf64, #SparseVector64>) -> memref<?xi64> {
262  %c = constant 0 : index
263  %0 = sparse_tensor.indices %arg0, %c : tensor<128xf64, #SparseVector64> to memref<?xi64>
264  return %0 : memref<?xi64>
265}
266
267// CHECK-LABEL: func @sparse_indices32(
268//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
269//       CHECK: %[[C:.*]] = constant 0 : index
270//       CHECK: %[[T:.*]] = call @sparseIndices32(%[[A]], %[[C]]) : (!llvm.ptr<i8>, index) -> memref<?xi32>
271//       CHECK: return %[[T]] : memref<?xi32>
272func @sparse_indices32(%arg0: tensor<128xf64, #SparseVector32>) -> memref<?xi32> {
273  %c = constant 0 : index
274  %0 = sparse_tensor.indices %arg0, %c : tensor<128xf64, #SparseVector32> to memref<?xi32>
275  return %0 : memref<?xi32>
276}
277
278// CHECK-LABEL: func @sparse_valuesf64(
279//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
280//       CHECK: %[[T:.*]] = call @sparseValuesF64(%[[A]]) : (!llvm.ptr<i8>) -> memref<?xf64>
281//       CHECK: return %[[T]] : memref<?xf64>
282func @sparse_valuesf64(%arg0: tensor<128xf64, #SparseVector>) -> memref<?xf64> {
283  %0 = sparse_tensor.values %arg0 : tensor<128xf64, #SparseVector> to memref<?xf64>
284  return %0 : memref<?xf64>
285}
286
287// CHECK-LABEL: func @sparse_valuesf32(
288//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
289//       CHECK: %[[T:.*]] = call @sparseValuesF32(%[[A]]) : (!llvm.ptr<i8>) -> memref<?xf32>
290//       CHECK: return %[[T]] : memref<?xf32>
291func @sparse_valuesf32(%arg0: tensor<128xf32, #SparseVector>) -> memref<?xf32> {
292  %0 = sparse_tensor.values %arg0: tensor<128xf32, #SparseVector> to memref<?xf32>
293  return %0 : memref<?xf32>
294}
295
296// CHECK-LABEL: func @sparse_valuesi32(
297//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
298//       CHECK: %[[T:.*]] = call @sparseValuesI32(%[[A]]) : (!llvm.ptr<i8>) -> memref<?xi32>
299//       CHECK: return %[[T]] : memref<?xi32>
300func @sparse_valuesi32(%arg0: tensor<128xi32, #SparseVector>) -> memref<?xi32> {
301  %0 = sparse_tensor.values %arg0: tensor<128xi32, #SparseVector> to memref<?xi32>
302  return %0 : memref<?xi32>
303}
304
305// CHECK-LABEL: func @sparse_valuesi16(
306//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
307//       CHECK: %[[T:.*]] = call @sparseValuesI16(%[[A]]) : (!llvm.ptr<i8>) -> memref<?xi16>
308//       CHECK: return %[[T]] : memref<?xi16>
309func @sparse_valuesi16(%arg0: tensor<128xi16, #SparseVector>) -> memref<?xi16> {
310  %0 = sparse_tensor.values %arg0: tensor<128xi16, #SparseVector> to memref<?xi16>
311  return %0 : memref<?xi16>
312}
313
314// CHECK-LABEL: func @sparse_valuesi8(
315//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>)
316//       CHECK: %[[T:.*]] = call @sparseValuesI8(%[[A]]) : (!llvm.ptr<i8>) -> memref<?xi8>
317//       CHECK: return %[[T]] : memref<?xi8>
318func @sparse_valuesi8(%arg0: tensor<128xi8, #SparseVector>) -> memref<?xi8> {
319  %0 = sparse_tensor.values %arg0: tensor<128xi8, #SparseVector> to memref<?xi8>
320  return %0 : memref<?xi8>
321}
322
323// CHECK-LABEL: func @sparse_reconstruct_1(
324//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>
325//       CHECK: return %[[A]] : !llvm.ptr<i8>
326func @sparse_reconstruct_1(%arg0: tensor<128xf32, #DenseVector> {linalg.inplaceable = true}) -> tensor<128xf32, #DenseVector> {
327  %0 = sparse_tensor.values %arg0 : tensor<128xf32, #DenseVector> to memref<?xf32>
328  %1 = sparse_tensor.tensor %0 : memref<?xf32> to tensor<128xf32, #DenseVector>
329  return %1 : tensor<128xf32, #DenseVector>
330}
331
332// CHECK-LABEL: func @sparse_reconstruct_n(
333//  CHECK-SAME: %[[A:.*]]: !llvm.ptr<i8>
334//       CHECK: return %[[A]] : !llvm.ptr<i8>
335func @sparse_reconstruct_n(%arg0: tensor<128xf32, #SparseVector> {linalg.inplaceable = true}) -> tensor<128xf32, #SparseVector> {
336  %c = constant 0 : index
337  %0 = sparse_tensor.pointers %arg0, %c : tensor<128xf32, #SparseVector> to memref<?xindex>
338  %1 = sparse_tensor.indices %arg0, %c : tensor<128xf32, #SparseVector> to memref<?xindex>
339  %2 = sparse_tensor.values %arg0 : tensor<128xf32, #SparseVector> to memref<?xf32>
340  %3 = sparse_tensor.tensor %0, %1, %2 : memref<?xindex>, memref<?xindex>, memref<?xf32> to tensor<128xf32, #SparseVector>
341  return %3 : tensor<128xf32, #SparseVector>
342}
343