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1// RUN: mlir-opt -allow-unregistered-dialect %s -affine-super-vectorizer-test -forward-slicing=true 2>&1 | FileCheck %s --check-prefix=FWD
2// RUN: mlir-opt -allow-unregistered-dialect %s -affine-super-vectorizer-test -backward-slicing=true 2>&1 | FileCheck %s --check-prefix=BWD
3// RUN: mlir-opt -allow-unregistered-dialect %s -affine-super-vectorizer-test -slicing=true 2>&1 | FileCheck %s --check-prefix=FWDBWD
4
5///   1       2      3      4
6///   |_______|      |______|
7///   |   |             |
8///   |   5             6
9///   |___|_____________|
10///     |               |
11///     7               8
12///     |_______________|
13///             |
14///             9
15// FWD-LABEL: slicing_test
16// BWD-LABEL: slicing_test
17// FWDBWD-LABEL: slicing_test
18func @slicing_test() {
19  // Fake 0 to align on 1 and match ASCII art.
20  %0 = alloc() : memref<1xi32>
21
22  // FWD: matched: %[[v1:.*]] {{.*}} forward static slice:
23  // FWD-NEXT: %[[v5:.*]] {{.*}} -> i5
24  // FWD-DAG: %[[v8:.*]] {{.*}} -> i8
25  // FWD-DAG: %[[v7:.*]] {{.*}} -> i7
26  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
27  //
28  // BWD: matched: %[[v1:.*]] {{.*}} backward static slice:
29  //
30  // FWDBWD: matched: %[[v1:.*]] {{.*}} static slice:
31  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
32  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
33  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
34  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
35  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
36  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
37  // FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
38  // FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
39  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
40
41  %1 = "slicing-test-op" () : () -> i1
42
43  // FWD-NEXT: matched: %[[v2:.*]] {{.*}} forward static slice:
44  // FWD-NEXT: %[[v5:.*]] {{.*}} -> i5
45  // FWD-DAG: %[[v8:.*]] {{.*}} -> i8
46  // FWD-DAG: %[[v7:.*]] {{.*}} -> i7
47  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
48  //
49  // BWD: matched: %[[v2:.*]] {{.*}} backward static slice:
50  //
51  // FWDBWD-NEXT: matched: %[[v2:.*]] {{.*}} static slice:
52  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
53  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
54  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
55  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
56  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
57  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
58  // FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
59  // FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
60  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
61
62  %2 = "slicing-test-op" () : () -> i2
63
64  // FWD-NEXT: matched: %[[v3:.*]] {{.*}} forward static slice:
65  // FWD-NEXT: %[[v6:.*]] {{.*}} -> i6
66  // FWD-NEXT: %[[v8:.*]] {{.*}} -> i8
67  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
68  //
69  // BWD: matched: %[[v3:.*]] {{.*}} backward static slice:
70  //
71  // FWDBWD-NEXT: matched: %[[v3:.*]] {{.*}} static slice:
72  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
73  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
74  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
75  // FWDBWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
76  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
77  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
78  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
79  // FWDBWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
80  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
81
82  %3 = "slicing-test-op" () : () -> i3
83
84  // FWD-NEXT: matched: %[[v4:.*]] {{.*}} forward static slice:
85  // FWD-NEXT: %[[v6:.*]] {{.*}} -> i6
86  // FWD-NEXT: %[[v8:.*]] {{.*}} -> i8
87  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
88  //
89  // BWD: matched: %[[v4:.*]] {{.*}} backward static slice:
90  //
91  // FWDBWD-NEXT: matched: %[[v4:.*]] {{.*}} static slice:
92  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
93  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
94  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
95  // FWDBWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
96  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
97  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
98  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
99  // FWDBWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
100  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
101
102  %4 = "slicing-test-op" () : () -> i4
103
104  // FWD-NEXT: matched: %[[v5:.*]] {{.*}} forward static slice:
105  // FWD-DAG: %[[v7:.*]] {{.*}} -> i7
106  // FWD-DAG: %[[v8:.*]] {{.*}} -> i8
107  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
108  //
109  // BWD: matched: %[[v5:.*]] {{.*}} backward static slice:
110  // BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
111  // BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
112  //
113  // FWDBWD-NEXT: matched: %[[v5:.*]] {{.*}} static slice:
114  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
115  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
116  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
117  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
118  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
119  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
120  // FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
121  // FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
122  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
123
124  %5 = "slicing-test-op" (%1, %2) : (i1, i2) -> i5
125
126  // FWD-NEXT: matched: %[[v6:.*]] {{.*}} forward static slice:
127  // FWD-NEXT: %[[v8:.*]] {{.*}} -> i8
128  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
129  //
130  // BWD: matched: %[[v6:.*]] {{.*}} backward static slice:
131  // BWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
132  // BWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
133  //
134  // FWDBWD-NEXT: matched: %[[v6:.*]] {{.*}} static slice:
135  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
136  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
137  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
138  // FWDBWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
139  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
140  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
141  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
142  // FWDBWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
143  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
144
145  %6 = "slicing-test-op" (%3, %4) : (i3, i4) -> i6
146
147  // FWD-NEXT: matched: %[[v7:.*]] {{.*}} forward static slice:
148  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
149  //
150  // BWD: matched: %[[v7:.*]] {{.*}} backward static slice:
151  // BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
152  // BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
153  // BWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
154  //
155  // FWDBWD-NEXT: matched: %[[v7:.*]] {{.*}} static slice:
156  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
157  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
158  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
159  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
160  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
161  // FWDBWD: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
162  // FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
163  // FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
164  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
165
166  %7 = "slicing-test-op" (%1, %5) : (i1, i5) -> i7
167
168  // FWD-NEXT: matched: %[[v8:.*]] {{.*}} forward static slice:
169  // FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
170  //
171  // BWD: matched: %[[v8:.*]] {{.*}} backward static slice:
172  // BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
173  // BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
174  // BWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
175  // BWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
176  // BWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
177  // BWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
178  //
179  // FWDBWD-NEXT: matched: %[[v8:.*]] {{.*}} static slice:
180  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
181  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
182  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
183  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
184  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
185  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
186  // FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
187  // FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
188  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
189
190  %8 = "slicing-test-op" (%5, %6) : (i5, i6) -> i8
191
192  // FWD-NEXT: matched: %[[v9:.*]] {{.*}} forward static slice:
193  //
194  // BWD: matched: %[[v9:.*]] {{.*}} backward static slice:
195  // BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
196  // BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
197  // BWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
198  // BWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
199  // BWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
200  // BWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
201  // BWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
202  // BWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
203  //
204  // FWDBWD-NEXT: matched: %[[v9:.*]] {{.*}} static slice:
205  // FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
206  // FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
207  // FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
208  // FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
209  // FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
210  // FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
211  // FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
212  // FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
213  // FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
214
215  %9 = "slicing-test-op" (%7, %8) : (i7, i8) -> i9
216
217  return
218}
219
220// FWD-LABEL: slicing_test_2
221// BWD-LABEL: slicing_test_2
222// FWDBWD-LABEL: slicing_test_2
223func @slicing_test_2() {
224  %c0 = constant 0 : index
225  %c2 = constant 2 : index
226  %c16 = constant 16 : index
227  affine.for %i0 = %c0 to %c16 {
228    affine.for %i1 = affine_map<(i)[] -> (i)>(%i0) to 10 {
229      // BWD: matched: %[[b:.*]] {{.*}} backward static slice:
230      // BWD: affine.for {{.*}}
231
232      // affine.for appears in the body of scf.for
233      // BWD: affine.for {{.*}}
234
235      // affine.for appears as a proper op in the backward slice
236      // BWD: affine.for {{.*}}
237      %b = "slicing-test-op"(%i1): (index) -> index
238
239      // BWD: matched: %[[c:.*]] {{.*}} backward static slice:
240      // BWD: affine.for {{.*}}
241
242      // affine.for appears in the body of scf.for
243      // BWD-NEXT: affine.for {{.*}}
244
245      // affine.for only appears in the body of scf.for
246      // BWD-NOT: affine.for {{.*}}
247      %c = "slicing-test-op"(%i0): (index) -> index
248    }
249  }
250  return
251}
252
253// FWD-LABEL: slicing_test_3
254// BWD-LABEL: slicing_test_3
255// FWDBWD-LABEL: slicing_test_3
256func @slicing_test_3() {
257  %f = constant 1.0 : f32
258  %c = "slicing-test-op"(%f): (f32) -> index
259  // FWD: matched: {{.*}} (f32) -> index forward static slice:
260  // FWD: scf.for {{.*}}
261  // FWD: matched: {{.*}} (index, index) -> index forward static slice:
262  scf.for %i2 = %c to %c step %c {
263    %d = "slicing-test-op"(%c, %i2): (index, index) -> index
264  }
265  return
266}
267
268// FWD-LABEL: slicing_test_function_argument
269// BWD-LABEL: slicing_test_function_argument
270// FWDBWD-LABEL: slicing_test_function_argument
271func @slicing_test_function_argument(%arg0: index) -> index {
272  // BWD: matched: {{.*}} (index, index) -> index backward static slice:
273  %0 = "slicing-test-op"(%arg0, %arg0): (index, index) -> index
274  return %0 : index
275}
276
277// FWD-LABEL: slicing_test_multiple_return
278// BWD-LABEL: slicing_test_multiple_return
279// FWDBWD-LABEL: slicing_test_multiple_return
280func @slicing_test_multiple_return(%arg0: index) -> (index, index) {
281  // BWD: matched: {{.*}} (index, index) -> (index, index) backward static slice:
282  // FWD: matched: %{{.*}}:2 = "slicing-test-op"(%arg0, %arg0) : (index, index) -> (index, index) forward static slice:
283  // FWD: return %{{.*}}#0, %{{.*}}#1 : index, index
284  %0:2 = "slicing-test-op"(%arg0, %arg0): (index, index) -> (index, index)
285  return %0#0, %0#1 : index, index
286}
287
288// This test dumps 2 sets of outputs: first the test outputs themselves followed
289// by the module. These labels isolate the test outputs from the module dump.
290// FWD-LABEL: slicing_test
291// BWD-LABEL: slicing_test
292// FWDBWD-LABEL: slicing_test
293// FWD-LABEL: slicing_test_2
294// BWD-LABEL: slicing_test_2
295// FWDBWD-LABEL: slicing_test_2
296// FWD-LABEL: slicing_test_3
297// BWD-LABEL: slicing_test_3
298// FWDBWD-LABEL: slicing_test_3
299// FWD-LABEL: slicing_test_function_argument
300// BWD-LABEL: slicing_test_function_argument
301// FWDBWD-LABEL: slicing_test_function_argument
302