1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOFP --check-prefix=CHECK-NOFP-SD
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon,+fullfp16 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP --check-prefix=CHECK-FP-SD
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon -global-isel -global-isel-abort=2 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOFP --check-prefix=CHECK-NOFP-GI
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon,+fullfp16 -global-isel -global-isel-abort=2 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP --check-prefix=CHECK-FP-GI
; CHECK-NOFP-GI: warning: Instruction selection used fallback path for test_v11f16
; CHECK-NOFP-GI-NEXT: warning: Instruction selection used fallback path for test_v3f32
; CHECK-NOFP-GI-NEXT: warning: Instruction selection used fallback path for test_v3f32_ninf
;
; CHECK-FP-GI: warning: Instruction selection used fallback path for test_v11f16
; CHECK-FP-GI-NEXT: warning: Instruction selection used fallback path for test_v3f32
; CHECK-FP-GI-NEXT: warning: Instruction selection used fallback path for test_v3f32_ninf
declare half @llvm.vector.reduce.fmaximum.v1f16(<1 x half> %a)
declare float @llvm.vector.reduce.fmaximum.v1f32(<1 x float> %a)
declare double @llvm.vector.reduce.fmaximum.v1f64(<1 x double> %a)
declare fp128 @llvm.vector.reduce.fmaximum.v1f128(<1 x fp128> %a)
declare half @llvm.vector.reduce.fmaximum.v4f16(<4 x half> %a)
declare half @llvm.vector.reduce.fmaximum.v8f16(<8 x half> %a)
declare half @llvm.vector.reduce.fmaximum.v16f16(<16 x half> %a)
declare float @llvm.vector.reduce.fmaximum.v2f32(<2 x float> %a)
declare float @llvm.vector.reduce.fmaximum.v4f32(<4 x float> %a)
declare float @llvm.vector.reduce.fmaximum.v8f32(<8 x float> %a)
declare float @llvm.vector.reduce.fmaximum.v16f32(<16 x float> %a)
declare double @llvm.vector.reduce.fmaximum.v2f64(<2 x double> %a)
declare double @llvm.vector.reduce.fmaximum.v4f64(<4 x double> %a)
declare half @llvm.vector.reduce.fmaximum.v11f16(<11 x half> %a)
declare float @llvm.vector.reduce.fmaximum.v3f32(<3 x float> %a)
declare fp128 @llvm.vector.reduce.fmaximum.v2f128(<2 x fp128> %a)
define half @test_v1f16(<1 x half> %a) nounwind {
; CHECK-LABEL: test_v1f16:
; CHECK: // %bb.0:
; CHECK-NEXT: ret
%b = call half @llvm.vector.reduce.fmaximum.v1f16(<1 x half> %a)
ret half %b
}
define float @test_v1f32(<1 x float> %a) nounwind {
; CHECK-NOFP-SD-LABEL: test_v1f32:
; CHECK-NOFP-SD: // %bb.0:
; CHECK-NOFP-SD-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NOFP-SD-NEXT: // kill: def $s0 killed $s0 killed $q0
; CHECK-NOFP-SD-NEXT: ret
;
; CHECK-FP-SD-LABEL: test_v1f32:
; CHECK-FP-SD: // %bb.0:
; CHECK-FP-SD-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-FP-SD-NEXT: // kill: def $s0 killed $s0 killed $q0
; CHECK-FP-SD-NEXT: ret
;
; CHECK-NOFP-GI-LABEL: test_v1f32:
; CHECK-NOFP-GI: // %bb.0:
; CHECK-NOFP-GI-NEXT: // kill: def $s0 killed $s0 killed $d0
; CHECK-NOFP-GI-NEXT: ret
;
; CHECK-FP-GI-LABEL: test_v1f32:
; CHECK-FP-GI: // %bb.0:
; CHECK-FP-GI-NEXT: // kill: def $s0 killed $s0 killed $d0
; CHECK-FP-GI-NEXT: ret
%b = call float @llvm.vector.reduce.fmaximum.v1f32(<1 x float> %a)
ret float %b
}
define double @test_v1f64(<1 x double> %a) nounwind {
; CHECK-LABEL: test_v1f64:
; CHECK: // %bb.0:
; CHECK-NEXT: ret
%b = call double @llvm.vector.reduce.fmaximum.v1f64(<1 x double> %a)
ret double %b
}
define fp128 @test_v1f128(<1 x fp128> %a) nounwind {
; CHECK-LABEL: test_v1f128:
; CHECK: // %bb.0:
; CHECK-NEXT: ret
%b = call fp128 @llvm.vector.reduce.fmaximum.v1f128(<1 x fp128> %a)
ret fp128 %b
}
define half @test_v4f16(<4 x half> %a) nounwind {
; CHECK-NOFP-SD-LABEL: test_v4f16:
; CHECK-NOFP-SD: // %bb.0:
; CHECK-NOFP-SD-NEXT: // kill: def $d0 killed $d0 def $q0
; CHECK-NOFP-SD-NEXT: mov h1, v0.h[1]
; CHECK-NOFP-SD-NEXT: fcvt s2, h0
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s2, s1
; CHECK-NOFP-SD-NEXT: mov h2, v0.h[2]
; CHECK-NOFP-SD-NEXT: mov h0, v0.h[3]
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s0, h0
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s1, s2
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s0, s1, s0
; CHECK-NOFP-SD-NEXT: fcvt h0, s0
; CHECK-NOFP-SD-NEXT: ret
;
; CHECK-FP-LABEL: test_v4f16:
; CHECK-FP: // %bb.0:
; CHECK-FP-NEXT: fmaxv h0, v0.4h
; CHECK-FP-NEXT: ret
;
; CHECK-NOFP-GI-LABEL: test_v4f16:
; CHECK-NOFP-GI: // %bb.0:
; CHECK-NOFP-GI-NEXT: fcvtl v0.4s, v0.4h
; CHECK-NOFP-GI-NEXT: fmaxv s0, v0.4s
; CHECK-NOFP-GI-NEXT: fcvt h0, s0
; CHECK-NOFP-GI-NEXT: ret
%b = call half @llvm.vector.reduce.fmaximum.v4f16(<4 x half> %a)
ret half %b
}
define half @test_v8f16(<8 x half> %a) nounwind {
; CHECK-NOFP-SD-LABEL: test_v8f16:
; CHECK-NOFP-SD: // %bb.0:
; CHECK-NOFP-SD-NEXT: mov h1, v0.h[1]
; CHECK-NOFP-SD-NEXT: fcvt s2, h0
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s2, s1
; CHECK-NOFP-SD-NEXT: mov h2, v0.h[2]
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s1, s2
; CHECK-NOFP-SD-NEXT: mov h2, v0.h[3]
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s1, s2
; CHECK-NOFP-SD-NEXT: mov h2, v0.h[4]
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s1, s2
; CHECK-NOFP-SD-NEXT: mov h2, v0.h[5]
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s1, s2
; CHECK-NOFP-SD-NEXT: mov h2, v0.h[6]
; CHECK-NOFP-SD-NEXT: mov h0, v0.h[7]
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s0, h0
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s1, s1, s2
; CHECK-NOFP-SD-NEXT: fcvt h1, s1
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s0, s1, s0
; CHECK-NOFP-SD-NEXT: fcvt h0, s0
; CHECK-NOFP-SD-NEXT: ret
;
; CHECK-FP-LABEL: test_v8f16:
; CHECK-FP: // %bb.0:
; CHECK-FP-NEXT: fmaxv h0, v0.8h
; CHECK-FP-NEXT: ret
;
; CHECK-NOFP-GI-LABEL: test_v8f16:
; CHECK-NOFP-GI: // %bb.0:
; CHECK-NOFP-GI-NEXT: fcvtl v1.4s, v0.4h
; CHECK-NOFP-GI-NEXT: fcvtl2 v0.4s, v0.8h
; CHECK-NOFP-GI-NEXT: fmax v0.4s, v1.4s, v0.4s
; CHECK-NOFP-GI-NEXT: fmaxv s0, v0.4s
; CHECK-NOFP-GI-NEXT: fcvt h0, s0
; CHECK-NOFP-GI-NEXT: ret
%b = call nnan half @llvm.vector.reduce.fmaximum.v8f16(<8 x half> %a)
ret half %b
}
define half @test_v16f16(<16 x half> %a) nounwind {
; CHECK-NOFP-SD-LABEL: test_v16f16:
; CHECK-NOFP-SD: // %bb.0:
; CHECK-NOFP-SD-NEXT: mov h2, v1.h[1]
; CHECK-NOFP-SD-NEXT: mov h3, v0.h[1]
; CHECK-NOFP-SD-NEXT: fcvt s4, h1
; CHECK-NOFP-SD-NEXT: fcvt s5, h0
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fmax s4, s5, s4
; CHECK-NOFP-SD-NEXT: mov h5, v0.h[2]
; CHECK-NOFP-SD-NEXT: fmax s2, s3, s2
; CHECK-NOFP-SD-NEXT: mov h3, v1.h[2]
; CHECK-NOFP-SD-NEXT: fcvt h4, s4
; CHECK-NOFP-SD-NEXT: fcvt s5, h5
; CHECK-NOFP-SD-NEXT: fcvt h2, s2
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fcvt s4, h4
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fmax s3, s5, s3
; CHECK-NOFP-SD-NEXT: mov h5, v0.h[3]
; CHECK-NOFP-SD-NEXT: fmax s2, s4, s2
; CHECK-NOFP-SD-NEXT: mov h4, v1.h[3]
; CHECK-NOFP-SD-NEXT: fcvt h3, s3
; CHECK-NOFP-SD-NEXT: fcvt s5, h5
; CHECK-NOFP-SD-NEXT: fcvt h2, s2
; CHECK-NOFP-SD-NEXT: fcvt s4, h4
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fmax s4, s5, s4
; CHECK-NOFP-SD-NEXT: mov h5, v0.h[4]
; CHECK-NOFP-SD-NEXT: fmax s2, s2, s3
; CHECK-NOFP-SD-NEXT: mov h3, v1.h[4]
; CHECK-NOFP-SD-NEXT: fcvt h4, s4
; CHECK-NOFP-SD-NEXT: fcvt s5, h5
; CHECK-NOFP-SD-NEXT: fcvt h2, s2
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fcvt s4, h4
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fmax s3, s5, s3
; CHECK-NOFP-SD-NEXT: mov h5, v0.h[5]
; CHECK-NOFP-SD-NEXT: fmax s2, s2, s4
; CHECK-NOFP-SD-NEXT: mov h4, v1.h[5]
; CHECK-NOFP-SD-NEXT: fcvt h3, s3
; CHECK-NOFP-SD-NEXT: fcvt s5, h5
; CHECK-NOFP-SD-NEXT: fcvt h2, s2
; CHECK-NOFP-SD-NEXT: fcvt s4, h4
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fmax s4, s5, s4
; CHECK-NOFP-SD-NEXT: mov h5, v0.h[6]
; CHECK-NOFP-SD-NEXT: mov h0, v0.h[7]
; CHECK-NOFP-SD-NEXT: fmax s2, s2, s3
; CHECK-NOFP-SD-NEXT: fcvt h3, s4
; CHECK-NOFP-SD-NEXT: mov h4, v1.h[6]
; CHECK-NOFP-SD-NEXT: fcvt s5, h5
; CHECK-NOFP-SD-NEXT: mov h1, v1.h[7]
; CHECK-NOFP-SD-NEXT: fcvt s0, h0
; CHECK-NOFP-SD-NEXT: fcvt h2, s2
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fcvt s4, h4
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fmax s0, s0, s1
; CHECK-NOFP-SD-NEXT: fmax s2, s2, s3
; CHECK-NOFP-SD-NEXT: fmax s3, s5, s4
; CHECK-NOFP-SD-NEXT: fcvt h0, s0
; CHECK-NOFP-SD-NEXT: fcvt h2, s2
; CHECK-NOFP-SD-NEXT: fcvt h3, s3
; CHECK-NOFP-SD-NEXT: fcvt s0, h0
; CHECK-NOFP-SD-NEXT: fcvt s2, h2
; CHECK-NOFP-SD-NEXT: fcvt s3, h3
; CHECK-NOFP-SD-NEXT: fmax s2, s2, s3
; CHECK-NOFP-SD-NEXT: fcvt h1, s2
; CHECK-NOFP-SD-NEXT: fcvt s1, h1
; CHECK-NOFP-SD-NEXT: fmax s0, s1, s0
; CHECK-NOFP-SD-NEXT: fcvt h0, s0
; CHECK-NOFP-SD-NEXT: ret
;
; CHECK-FP-LABEL: test_v16f16:
; CHECK-FP: // %bb.0:
; CHECK-FP-NEXT: fmax v0.8h, v0.8h, v1.8h
; CHECK-FP-NEXT: fmaxv h0, v0.8h
; CHECK-FP-NEXT: ret
;
; CHECK-NOFP-GI-LABEL: test_v16f16:
; CHECK-NOFP-GI: // %bb.0:
; CHECK-NOFP-GI-NEXT: fcvtl v2.4s, v0.4h
; CHECK-NOFP-GI-NEXT: fcvtl2 v0.4s, v0.8h
; CHECK-NOFP-GI-NEXT: fcvtl v3.4s, v1.4h
; CHECK-NOFP-GI-NEXT: fcvtl2 v1.4s, v1.8h
; CHECK-NOFP-GI-NEXT: fmax v0.4s, v2.4s, v0.4s
; CHECK-NOFP-GI-NEXT: fmax v1.4s, v3.4s, v1.4s
; CHECK-NOFP-GI-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-NOFP-GI-NEXT: fmaxv s0, v0.4s
; CHECK-NOFP-GI-NEXT: fcvt h0, s0
; CHECK-NOFP-GI-NEXT: ret
%b = call nnan half @llvm.vector.reduce.fmaximum.v16f16(<16 x half> %a)
ret half %b
}
define float @test_v2f32(<2 x float> %a) nounwind {
; CHECK-LABEL: test_v2f32:
; CHECK: // %bb.0:
; CHECK-NEXT: fmaxp s0, v0.2s
; CHECK-NEXT: ret
%b = call nnan float @llvm.vector.reduce.fmaximum.v2f32(<2 x float> %a)
ret float %b
}
define float @test_v4f32(<4 x float> %a) nounwind {
; CHECK-LABEL: test_v4f32:
; CHECK: // %bb.0:
; CHECK-NEXT: fmaxv s0, v0.4s
; CHECK-NEXT: ret
%b = call nnan float @llvm.vector.reduce.fmaximum.v4f32(<4 x float> %a)
ret float %b
}
define float @test_v8f32(<8 x float> %a) nounwind {
; CHECK-LABEL: test_v8f32:
; CHECK: // %bb.0:
; CHECK-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-NEXT: fmaxv s0, v0.4s
; CHECK-NEXT: ret
%b = call nnan float @llvm.vector.reduce.fmaximum.v8f32(<8 x float> %a)
ret float %b
}
define float @test_v16f32(<16 x float> %a) nounwind {
; CHECK-NOFP-SD-LABEL: test_v16f32:
; CHECK-NOFP-SD: // %bb.0:
; CHECK-NOFP-SD-NEXT: fmax v1.4s, v1.4s, v3.4s
; CHECK-NOFP-SD-NEXT: fmax v0.4s, v0.4s, v2.4s
; CHECK-NOFP-SD-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-NOFP-SD-NEXT: fmaxv s0, v0.4s
; CHECK-NOFP-SD-NEXT: ret
;
; CHECK-FP-SD-LABEL: test_v16f32:
; CHECK-FP-SD: // %bb.0:
; CHECK-FP-SD-NEXT: fmax v1.4s, v1.4s, v3.4s
; CHECK-FP-SD-NEXT: fmax v0.4s, v0.4s, v2.4s
; CHECK-FP-SD-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-FP-SD-NEXT: fmaxv s0, v0.4s
; CHECK-FP-SD-NEXT: ret
;
; CHECK-NOFP-GI-LABEL: test_v16f32:
; CHECK-NOFP-GI: // %bb.0:
; CHECK-NOFP-GI-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-NOFP-GI-NEXT: fmax v1.4s, v2.4s, v3.4s
; CHECK-NOFP-GI-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-NOFP-GI-NEXT: fmaxv s0, v0.4s
; CHECK-NOFP-GI-NEXT: ret
;
; CHECK-FP-GI-LABEL: test_v16f32:
; CHECK-FP-GI: // %bb.0:
; CHECK-FP-GI-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-FP-GI-NEXT: fmax v1.4s, v2.4s, v3.4s
; CHECK-FP-GI-NEXT: fmax v0.4s, v0.4s, v1.4s
; CHECK-FP-GI-NEXT: fmaxv s0, v0.4s
; CHECK-FP-GI-NEXT: ret
%b = call nnan float @llvm.vector.reduce.fmaximum.v16f32(<16 x float> %a)
ret float %b
}
define double @test_v2f64(<2 x double> %a) nounwind {
; CHECK-LABEL: test_v2f64:
; CHECK: // %bb.0:
; CHECK-NEXT: fmaxp d0, v0.2d
; CHECK-NEXT: ret
%b = call double @llvm.vector.reduce.fmaximum.v2f64(<2 x double> %a)
ret double %b
}
define double @test_v4f64(<4 x double> %a) nounwind {
; CHECK-LABEL: test_v4f64:
; CHECK: // %bb.0:
; CHECK-NEXT: fmax v0.2d, v0.2d, v1.2d
; CHECK-NEXT: fmaxp d0, v0.2d
; CHECK-NEXT: ret
%b = call double @llvm.vector.reduce.fmaximum.v4f64(<4 x double> %a)
ret double %b
}
define half @test_v11f16(<11 x half> %a) nounwind {
; CHECK-NOFP-LABEL: test_v11f16:
; CHECK-NOFP: // %bb.0:
; CHECK-NOFP-NEXT: ldr h16, [sp, #8]
; CHECK-NOFP-NEXT: ldr h17, [sp]
; CHECK-NOFP-NEXT: fcvt s1, h1
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fcvt s2, h2
; CHECK-NOFP-NEXT: fcvt s16, h16
; CHECK-NOFP-NEXT: fcvt s17, h17
; CHECK-NOFP-NEXT: fmax s1, s1, s16
; CHECK-NOFP-NEXT: fmax s0, s0, s17
; CHECK-NOFP-NEXT: ldr h16, [sp, #16]
; CHECK-NOFP-NEXT: fcvt s16, h16
; CHECK-NOFP-NEXT: fcvt h1, s1
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt s1, h1
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fmax s1, s2, s16
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt h1, s1
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fcvt s1, h1
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fcvt s1, h3
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fcvt s1, h4
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fcvt s1, h5
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fcvt s1, h6
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fcvt s1, h7
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: fcvt s0, h0
; CHECK-NOFP-NEXT: fmax s0, s0, s1
; CHECK-NOFP-NEXT: fcvt h0, s0
; CHECK-NOFP-NEXT: ret
;
; CHECK-FP-LABEL: test_v11f16:
; CHECK-FP: // %bb.0:
; CHECK-FP-NEXT: // kill: def $h0 killed $h0 def $q0
; CHECK-FP-NEXT: // kill: def $h1 killed $h1 def $q1
; CHECK-FP-NEXT: // kill: def $h2 killed $h2 def $q2
; CHECK-FP-NEXT: // kill: def $h3 killed $h3 def $q3
; CHECK-FP-NEXT: // kill: def $h4 killed $h4 def $q4
; CHECK-FP-NEXT: // kill: def $h5 killed $h5 def $q5
; CHECK-FP-NEXT: mov x8, sp
; CHECK-FP-NEXT: // kill: def $h6 killed $h6 def $q6
; CHECK-FP-NEXT: // kill: def $h7 killed $h7 def $q7
; CHECK-FP-NEXT: mov v0.h[1], v1.h[0]
; CHECK-FP-NEXT: movi v1.8h, #252, lsl #8
; CHECK-FP-NEXT: mov v0.h[2], v2.h[0]
; CHECK-FP-NEXT: ld1 { v1.h }[0], [x8]
; CHECK-FP-NEXT: add x8, sp, #8
; CHECK-FP-NEXT: ld1 { v1.h }[1], [x8]
; CHECK-FP-NEXT: add x8, sp, #16
; CHECK-FP-NEXT: mov v0.h[3], v3.h[0]
; CHECK-FP-NEXT: ld1 { v1.h }[2], [x8]
; CHECK-FP-NEXT: mov v0.h[4], v4.h[0]
; CHECK-FP-NEXT: mov v0.h[5], v5.h[0]
; CHECK-FP-NEXT: mov v0.h[6], v6.h[0]
; CHECK-FP-NEXT: mov v0.h[7], v7.h[0]
; CHECK-FP-NEXT: fmax v0.8h, v0.8h, v1.8h
; CHECK-FP-NEXT: fmaxv h0, v0.8h
; CHECK-FP-NEXT: ret
%b = call half @llvm.vector.reduce.fmaximum.v11f16(<11 x half> %a)
ret half %b
}
; Neutral element is negative infinity which is chosen for padding the widened
; vector.
define float @test_v3f32(<3 x float> %a) nounwind {
; CHECK-LABEL: test_v3f32:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #-8388608 // =0xff800000
; CHECK-NEXT: fmov s1, w8
; CHECK-NEXT: mov v0.s[3], v1.s[0]
; CHECK-NEXT: fmaxv s0, v0.4s
; CHECK-NEXT: ret
%b = call float @llvm.vector.reduce.fmaximum.v3f32(<3 x float> %a)
ret float %b
}
; Neutral element chosen for padding the widened vector is not negative infinity.
define float @test_v3f32_ninf(<3 x float> %a) nounwind {
; CHECK-LABEL: test_v3f32_ninf:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #-8388609 // =0xff7fffff
; CHECK-NEXT: fmov s1, w8
; CHECK-NEXT: mov v0.s[3], v1.s[0]
; CHECK-NEXT: fmaxv s0, v0.4s
; CHECK-NEXT: ret
%b = call ninf float @llvm.vector.reduce.fmaximum.v3f32(<3 x float> %a)
ret float %b
}
; Cannot legalize f128. See PR63267 - The underlying fmaximum has no default
; expansion and no libcalls.
;define fp128 @test_v2f128(<2 x fp128> %a) nounwind {
; %b = call fp128 @llvm.vector.reduce.fmaximum.v2f128(<2 x fp128> %a)
; ret fp128 %b
;}
|
