fast-fp-loops.ll
24.7 KB
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
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve.fp,+fp-armv8d16sp,+fp16,+fullfp16 -disable-mve-tail-predication=false %s -o - | FileCheck %s
define arm_aapcs_vfpcc void @fast_float_mul(float* nocapture %a, float* nocapture readonly %b, float* nocapture readonly %c, i32 %N) {
; CHECK-LABEL: fast_float_mul:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
; CHECK-NEXT: cmp r3, #0
; CHECK-NEXT: beq.w .LBB0_11
; CHECK-NEXT: @ %bb.1: @ %vector.memcheck
; CHECK-NEXT: add.w r4, r0, r3, lsl #2
; CHECK-NEXT: add.w r5, r2, r3, lsl #2
; CHECK-NEXT: cmp r4, r2
; CHECK-NEXT: mov.w r12, #1
; CHECK-NEXT: cset lr, hi
; CHECK-NEXT: cmp r5, r0
; CHECK-NEXT: cset r6, hi
; CHECK-NEXT: cmp r4, r1
; CHECK-NEXT: add.w r5, r1, r3, lsl #2
; CHECK-NEXT: cset r4, hi
; CHECK-NEXT: cmp r5, r0
; CHECK-NEXT: cset r5, hi
; CHECK-NEXT: ands r5, r4
; CHECK-NEXT: lsls r5, r5, #31
; CHECK-NEXT: itt eq
; CHECK-NEXT: andeq.w r6, r6, lr
; CHECK-NEXT: lslseq.w r6, r6, #31
; CHECK-NEXT: beq .LBB0_4
; CHECK-NEXT: @ %bb.2: @ %for.body.preheader
; CHECK-NEXT: subs r6, r3, #1
; CHECK-NEXT: and r7, r3, #3
; CHECK-NEXT: cmp r6, #3
; CHECK-NEXT: bhs .LBB0_6
; CHECK-NEXT: @ %bb.3:
; CHECK-NEXT: mov.w r12, #0
; CHECK-NEXT: b .LBB0_8
; CHECK-NEXT: .LBB0_4: @ %vector.ph
; CHECK-NEXT: dlstp.32 lr, r3
; CHECK-NEXT: .LBB0_5: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [r1], #16
; CHECK-NEXT: vldrw.u32 q1, [r2], #16
; CHECK-NEXT: vmul.f32 q0, q1, q0
; CHECK-NEXT: vstrw.32 q0, [r0], #16
; CHECK-NEXT: letp lr, .LBB0_5
; CHECK-NEXT: b .LBB0_11
; CHECK-NEXT: .LBB0_6: @ %for.body.preheader.new
; CHECK-NEXT: bic r3, r3, #3
; CHECK-NEXT: subs r3, #4
; CHECK-NEXT: add.w lr, r12, r3, lsr #2
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: mov.w r12, #0
; CHECK-NEXT: dls lr, lr
; CHECK-NEXT: .LBB0_7: @ %for.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: adds r4, r1, r3
; CHECK-NEXT: adds r5, r2, r3
; CHECK-NEXT: adds r6, r0, r3
; CHECK-NEXT: adds r3, #16
; CHECK-NEXT: vldr s0, [r4]
; CHECK-NEXT: add.w r12, r12, #4
; CHECK-NEXT: vldr s2, [r5]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r6]
; CHECK-NEXT: vldr s0, [r4, #4]
; CHECK-NEXT: vldr s2, [r5, #4]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r6, #4]
; CHECK-NEXT: vldr s0, [r4, #8]
; CHECK-NEXT: vldr s2, [r5, #8]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r6, #8]
; CHECK-NEXT: vldr s0, [r4, #12]
; CHECK-NEXT: vldr s2, [r5, #12]
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r6, #12]
; CHECK-NEXT: le lr, .LBB0_7
; CHECK-NEXT: .LBB0_8: @ %for.cond.cleanup.loopexit.unr-lcssa
; CHECK-NEXT: wls lr, r7, .LBB0_11
; CHECK-NEXT: @ %bb.9: @ %for.body.epil.preheader
; CHECK-NEXT: mvn r3, #3
; CHECK-NEXT: mov lr, r7
; CHECK-NEXT: add.w r3, r3, r12, lsl #2
; CHECK-NEXT: add r1, r3
; CHECK-NEXT: add r2, r3
; CHECK-NEXT: add r0, r3
; CHECK-NEXT: .LBB0_10: @ %for.body.epil
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldr s0, [r1, #4]
; CHECK-NEXT: adds r1, #4
; CHECK-NEXT: vldr s2, [r2, #4]
; CHECK-NEXT: adds r2, #4
; CHECK-NEXT: vmul.f32 s0, s2, s0
; CHECK-NEXT: vstr s0, [r0, #4]
; CHECK-NEXT: adds r0, #4
; CHECK-NEXT: le lr, .LBB0_10
; CHECK-NEXT: .LBB0_11: @ %for.cond.cleanup
; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.memcheck
vector.memcheck: ; preds = %entry
%scevgep = getelementptr float, float* %a, i32 %N
%scevgep13 = getelementptr float, float* %b, i32 %N
%scevgep16 = getelementptr float, float* %c, i32 %N
%bound0 = icmp ugt float* %scevgep13, %a
%bound1 = icmp ugt float* %scevgep, %b
%found.conflict = and i1 %bound0, %bound1
%bound018 = icmp ugt float* %scevgep16, %a
%bound119 = icmp ugt float* %scevgep, %c
%found.conflict20 = and i1 %bound018, %bound119
%conflict.rdx = or i1 %found.conflict, %found.conflict20
br i1 %conflict.rdx, label %for.body.preheader, label %vector.ph
for.body.preheader: ; preds = %vector.memcheck
%0 = add i32 %N, -1
%xtraiter = and i32 %N, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new: ; preds = %for.body.preheader
%unroll_iter = sub i32 %N, %xtraiter
br label %for.body
vector.ph: ; preds = %vector.memcheck
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert21 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat22 = shufflevector <4 x i32> %broadcast.splatinsert21, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%2 = getelementptr inbounds float, float* %b, i32 %index
%3 = icmp ule <4 x i32> %induction, %broadcast.splat22
%4 = bitcast float* %2 to <4 x float>*
%wide.masked.load = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %4, i32 4, <4 x i1> %3, <4 x float> undef)
%5 = getelementptr inbounds float, float* %c, i32 %index
%6 = bitcast float* %5 to <4 x float>*
%wide.masked.load23 = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %6, i32 4, <4 x i1> %3, <4 x float> undef)
%7 = fmul fast <4 x float> %wide.masked.load23, %wide.masked.load
%8 = getelementptr inbounds float, float* %a, i32 %index
%9 = bitcast float* %8 to <4 x float>*
call void @llvm.masked.store.v4f32.p0v4f32(<4 x float> %7, <4 x float>* %9, i32 4, <4 x i1> %3)
%index.next = add i32 %index, 4
%10 = icmp eq i32 %index.next, %n.vec
br i1 %10, label %for.cond.cleanup, label %vector.body
for.cond.cleanup.loopexit.unr-lcssa: ; preds = %for.body, %for.body.preheader
%i.09.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil: ; preds = %for.cond.cleanup.loopexit.unr-lcssa, %for.body.epil
%i.09.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.09.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%arrayidx.epil = getelementptr inbounds float, float* %b, i32 %i.09.epil
%11 = load float, float* %arrayidx.epil, align 4
%arrayidx1.epil = getelementptr inbounds float, float* %c, i32 %i.09.epil
%12 = load float, float* %arrayidx1.epil, align 4
%mul.epil = fmul fast float %12, %11
%arrayidx2.epil = getelementptr inbounds float, float* %a, i32 %i.09.epil
store float %mul.epil, float* %arrayidx2.epil, align 4
%inc.epil = add nuw i32 %i.09.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup: ; preds = %vector.body, %for.cond.cleanup.loopexit.unr-lcssa, %for.body.epil, %entry
ret void
for.body: ; preds = %for.body, %for.body.preheader.new
%i.09 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%arrayidx = getelementptr inbounds float, float* %b, i32 %i.09
%13 = load float, float* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds float, float* %c, i32 %i.09
%14 = load float, float* %arrayidx1, align 4
%mul = fmul fast float %14, %13
%arrayidx2 = getelementptr inbounds float, float* %a, i32 %i.09
store float %mul, float* %arrayidx2, align 4
%inc = or i32 %i.09, 1
%arrayidx.1 = getelementptr inbounds float, float* %b, i32 %inc
%15 = load float, float* %arrayidx.1, align 4
%arrayidx1.1 = getelementptr inbounds float, float* %c, i32 %inc
%16 = load float, float* %arrayidx1.1, align 4
%mul.1 = fmul fast float %16, %15
%arrayidx2.1 = getelementptr inbounds float, float* %a, i32 %inc
store float %mul.1, float* %arrayidx2.1, align 4
%inc.1 = or i32 %i.09, 2
%arrayidx.2 = getelementptr inbounds float, float* %b, i32 %inc.1
%17 = load float, float* %arrayidx.2, align 4
%arrayidx1.2 = getelementptr inbounds float, float* %c, i32 %inc.1
%18 = load float, float* %arrayidx1.2, align 4
%mul.2 = fmul fast float %18, %17
%arrayidx2.2 = getelementptr inbounds float, float* %a, i32 %inc.1
store float %mul.2, float* %arrayidx2.2, align 4
%inc.2 = or i32 %i.09, 3
%arrayidx.3 = getelementptr inbounds float, float* %b, i32 %inc.2
%19 = load float, float* %arrayidx.3, align 4
%arrayidx1.3 = getelementptr inbounds float, float* %c, i32 %inc.2
%20 = load float, float* %arrayidx1.3, align 4
%mul.3 = fmul fast float %20, %19
%arrayidx2.3 = getelementptr inbounds float, float* %a, i32 %inc.2
store float %mul.3, float* %arrayidx2.3, align 4
%inc.3 = add nuw i32 %i.09, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
define arm_aapcs_vfpcc float @fast_float_mac(float* nocapture readonly %b, float* nocapture readonly %c, i32 %N) {
; CHECK-LABEL: fast_float_mac:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cbz r2, .LBB1_4
; CHECK-NEXT: @ %bb.1: @ %vector.ph
; CHECK-NEXT: adds r3, r2, #3
; CHECK-NEXT: vmov.i32 q0, #0x0
; CHECK-NEXT: bic r3, r3, #3
; CHECK-NEXT: sub.w r12, r3, #4
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: add.w lr, r3, r12, lsr #2
; CHECK-NEXT: dls lr, lr
; CHECK-NEXT: .LBB1_2: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vctp.32 r2
; CHECK-NEXT: mov r3, r2
; CHECK-NEXT: subs r2, #4
; CHECK-NEXT: vpstt
; CHECK-NEXT: vldrwt.u32 q2, [r0], #16
; CHECK-NEXT: vldrwt.u32 q3, [r1], #16
; CHECK-NEXT: vmov q1, q0
; CHECK-NEXT: vfma.f32 q0, q3, q2
; CHECK-NEXT: le lr, .LBB1_2
; CHECK-NEXT: @ %bb.3: @ %middle.block
; CHECK-NEXT: vctp.32 r3
; CHECK-NEXT: vpsel q0, q0, q1
; CHECK-NEXT: vmov.f32 s4, s2
; CHECK-NEXT: vmov.f32 s5, s3
; CHECK-NEXT: vadd.f32 q0, q0, q1
; CHECK-NEXT: vmov.32 r0, q0[1]
; CHECK-NEXT: vdup.32 q1, r0
; CHECK-NEXT: vadd.f32 q0, q0, q1
; CHECK-NEXT: @ kill: def $s0 killed $s0 killed $q0
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: vldr s0, .LCPI1_0
; CHECK-NEXT: @ kill: def $s0 killed $s0 killed $q0
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: @ %bb.5:
; CHECK-NEXT: .LCPI1_0:
; CHECK-NEXT: .long 0 @ float 0
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert11 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat12 = shufflevector <4 x i32> %broadcast.splatinsert11, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <4 x float> [ zeroinitializer, %vector.ph ], [ %6, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%0 = getelementptr inbounds float, float* %b, i32 %index
%1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%2 = bitcast float* %0 to <4 x float>*
%wide.masked.load = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %2, i32 4, <4 x i1> %1, <4 x float> undef)
%3 = getelementptr inbounds float, float* %c, i32 %index
%4 = bitcast float* %3 to <4 x float>*
%wide.masked.load13 = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %4, i32 4, <4 x i1> %1, <4 x float> undef)
%5 = fmul fast <4 x float> %wide.masked.load13, %wide.masked.load
%6 = fadd fast <4 x float> %5, %vec.phi
%index.next = add i32 %index, 4
%7 = icmp eq i32 %index.next, %n.vec
br i1 %7, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%8 = select <4 x i1> %1, <4 x float> %6, <4 x float> %vec.phi
%rdx.shuf = shufflevector <4 x float> %8, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd fast <4 x float> %8, %rdx.shuf
%rdx.shuf14 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx15 = fadd fast <4 x float> %bin.rdx, %rdx.shuf14
%9 = extractelement <4 x float> %bin.rdx15, i32 0
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%a.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %9, %middle.block ]
ret float %a.0.lcssa
}
define arm_aapcs_vfpcc float @fast_float_half_mac(half* nocapture readonly %b, half* nocapture readonly %c, i32 %N) {
; CHECK-LABEL: fast_float_half_mac:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: push {r4, r5, r7, lr}
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: sub sp, #32
; CHECK-NEXT: cmp r2, #0
; CHECK-NEXT: beq.w .LBB2_22
; CHECK-NEXT: @ %bb.1: @ %vector.ph
; CHECK-NEXT: adds r3, r2, #3
; CHECK-NEXT: vmov.i32 q5, #0x0
; CHECK-NEXT: bic r3, r3, #3
; CHECK-NEXT: sub.w r12, r3, #4
; CHECK-NEXT: movs r3, #1
; CHECK-NEXT: add.w lr, r3, r12, lsr #2
; CHECK-NEXT: sub.w r12, r2, #1
; CHECK-NEXT: adr r2, .LCPI2_1
; CHECK-NEXT: movs r3, #0
; CHECK-NEXT: vldrw.u32 q0, [r2]
; CHECK-NEXT: vdup.32 q1, r12
; CHECK-NEXT: vdup.32 q2, r12
; CHECK-NEXT: vstrw.32 q0, [sp] @ 16-byte Spill
; CHECK-NEXT: b .LBB2_4
; CHECK-NEXT: .LBB2_2: @ %cond.load24
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s0, s28
; CHECK-NEXT: vmov r4, s28
; CHECK-NEXT: vmov r2, s0
; CHECK-NEXT: vmov.16 q6[0], r4
; CHECK-NEXT: vldr.16 s0, [r1, #6]
; CHECK-NEXT: vmov.16 q6[1], r2
; CHECK-NEXT: vmov r2, s29
; CHECK-NEXT: vmov.16 q6[2], r2
; CHECK-NEXT: vmov r2, s0
; CHECK-NEXT: vmov.16 q6[3], r2
; CHECK-NEXT: .LBB2_3: @ %else25
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmul.f16 q5, q6, q5
; CHECK-NEXT: sub.w lr, lr, #1
; CHECK-NEXT: vmovx.f16 s2, s21
; CHECK-NEXT: vmovx.f16 s0, s20
; CHECK-NEXT: vcvtb.f32.f16 s27, s2
; CHECK-NEXT: adds r0, #8
; CHECK-NEXT: vcvtb.f32.f16 s26, s21
; CHECK-NEXT: adds r1, #8
; CHECK-NEXT: vcvtb.f32.f16 s25, s0
; CHECK-NEXT: adds r3, #4
; CHECK-NEXT: vcvtb.f32.f16 s24, s20
; CHECK-NEXT: vadd.f32 q5, q3, q6
; CHECK-NEXT: cmp.w lr, #0
; CHECK-NEXT: bne .LBB2_4
; CHECK-NEXT: b .LBB2_21
; CHECK-NEXT: .LBB2_4: @ %vector.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrw.u32 q0, [sp] @ 16-byte Reload
; CHECK-NEXT: vmov q3, q5
; CHECK-NEXT: @ implicit-def: $q6
; CHECK-NEXT: vadd.i32 q4, q0, r3
; CHECK-NEXT: vcmp.u32 cs, q1, q4
; CHECK-NEXT: vmrs r4, p0
; CHECK-NEXT: and r2, r4, #1
; CHECK-NEXT: rsbs r5, r2, #0
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: bfi r2, r5, #0, #1
; CHECK-NEXT: ubfx r5, r4, #4, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #1, #1
; CHECK-NEXT: ubfx r5, r4, #8, #1
; CHECK-NEXT: ubfx r4, r4, #12, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #2, #1
; CHECK-NEXT: rsbs r4, r4, #0
; CHECK-NEXT: bfi r2, r4, #3, #1
; CHECK-NEXT: lsls r4, r2, #31
; CHECK-NEXT: bne .LBB2_9
; CHECK-NEXT: @ %bb.5: @ %else
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bpl .LBB2_10
; CHECK-NEXT: .LBB2_6: @ %cond.load5
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s20, [r0, #2]
; CHECK-NEXT: vmov r5, s24
; CHECK-NEXT: vmovx.f16 s24, s25
; CHECK-NEXT: vmov r4, s20
; CHECK-NEXT: vmov.16 q5[0], r5
; CHECK-NEXT: vmov.16 q5[1], r4
; CHECK-NEXT: vmov r4, s25
; CHECK-NEXT: vmov.16 q5[2], r4
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vmov.16 q5[3], r4
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bmi .LBB2_11
; CHECK-NEXT: .LBB2_7: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q6, q5
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bmi .LBB2_12
; CHECK-NEXT: .LBB2_8: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q5, q6
; CHECK-NEXT: b .LBB2_13
; CHECK-NEXT: .LBB2_9: @ %cond.load
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s24, [r0]
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bmi .LBB2_6
; CHECK-NEXT: .LBB2_10: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q5, q6
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bpl .LBB2_7
; CHECK-NEXT: .LBB2_11: @ %cond.load8
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s24, s20
; CHECK-NEXT: vmov r4, s20
; CHECK-NEXT: vldr.16 s28, [r0, #4]
; CHECK-NEXT: vmov r5, s24
; CHECK-NEXT: vmov.16 q6[0], r4
; CHECK-NEXT: vmovx.f16 s20, s21
; CHECK-NEXT: vmov.16 q6[1], r5
; CHECK-NEXT: vmov r4, s28
; CHECK-NEXT: vmov.16 q6[2], r4
; CHECK-NEXT: vmov r4, s20
; CHECK-NEXT: vmov.16 q6[3], r4
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bpl .LBB2_8
; CHECK-NEXT: .LBB2_12: @ %cond.load11
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s20, s24
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vmov r2, s20
; CHECK-NEXT: vmov.16 q5[0], r4
; CHECK-NEXT: vmov.16 q5[1], r2
; CHECK-NEXT: vmov r2, s25
; CHECK-NEXT: vldr.16 s24, [r0, #6]
; CHECK-NEXT: vmov.16 q5[2], r2
; CHECK-NEXT: vmov r2, s24
; CHECK-NEXT: vmov.16 q5[3], r2
; CHECK-NEXT: .LBB2_13: @ %else12
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vcmp.u32 cs, q2, q4
; CHECK-NEXT: @ implicit-def: $q7
; CHECK-NEXT: vmrs r4, p0
; CHECK-NEXT: and r2, r4, #1
; CHECK-NEXT: rsbs r5, r2, #0
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: bfi r2, r5, #0, #1
; CHECK-NEXT: ubfx r5, r4, #4, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #1, #1
; CHECK-NEXT: ubfx r5, r4, #8, #1
; CHECK-NEXT: ubfx r4, r4, #12, #1
; CHECK-NEXT: rsbs r5, r5, #0
; CHECK-NEXT: bfi r2, r5, #2, #1
; CHECK-NEXT: rsbs r4, r4, #0
; CHECK-NEXT: bfi r2, r4, #3, #1
; CHECK-NEXT: lsls r4, r2, #31
; CHECK-NEXT: bne .LBB2_17
; CHECK-NEXT: @ %bb.14: @ %else16
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bpl .LBB2_18
; CHECK-NEXT: .LBB2_15: @ %cond.load18
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s24, [r1, #2]
; CHECK-NEXT: vmov r5, s28
; CHECK-NEXT: vmovx.f16 s28, s29
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vmov.16 q6[0], r5
; CHECK-NEXT: vmov.16 q6[1], r4
; CHECK-NEXT: vmov r4, s29
; CHECK-NEXT: vmov.16 q6[2], r4
; CHECK-NEXT: vmov r4, s28
; CHECK-NEXT: vmov.16 q6[3], r4
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bmi .LBB2_19
; CHECK-NEXT: .LBB2_16: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q7, q6
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bmi.w .LBB2_2
; CHECK-NEXT: b .LBB2_20
; CHECK-NEXT: .LBB2_17: @ %cond.load15
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vldr.16 s28, [r1]
; CHECK-NEXT: lsls r4, r2, #30
; CHECK-NEXT: bmi .LBB2_15
; CHECK-NEXT: .LBB2_18: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q6, q7
; CHECK-NEXT: lsls r4, r2, #29
; CHECK-NEXT: bpl .LBB2_16
; CHECK-NEXT: .LBB2_19: @ %cond.load21
; CHECK-NEXT: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmovx.f16 s28, s24
; CHECK-NEXT: vmov r4, s24
; CHECK-NEXT: vldr.16 s0, [r1, #4]
; CHECK-NEXT: vmov r5, s28
; CHECK-NEXT: vmov.16 q7[0], r4
; CHECK-NEXT: vmov r4, s0
; CHECK-NEXT: vmov.16 q7[1], r5
; CHECK-NEXT: vmovx.f16 s0, s25
; CHECK-NEXT: vmov.16 q7[2], r4
; CHECK-NEXT: vmov r4, s0
; CHECK-NEXT: vmov.16 q7[3], r4
; CHECK-NEXT: lsls r2, r2, #28
; CHECK-NEXT: bmi.w .LBB2_2
; CHECK-NEXT: .LBB2_20: @ in Loop: Header=BB2_4 Depth=1
; CHECK-NEXT: vmov q6, q7
; CHECK-NEXT: b .LBB2_3
; CHECK-NEXT: .LBB2_21: @ %middle.block
; CHECK-NEXT: vdup.32 q0, r12
; CHECK-NEXT: vcmp.u32 cs, q0, q4
; CHECK-NEXT: vpsel q0, q5, q3
; CHECK-NEXT: vmov.f32 s4, s2
; CHECK-NEXT: vmov.f32 s5, s3
; CHECK-NEXT: vadd.f32 q0, q0, q1
; CHECK-NEXT: vmov.32 r0, q0[1]
; CHECK-NEXT: vdup.32 q1, r0
; CHECK-NEXT: vadd.f32 q0, q0, q1
; CHECK-NEXT: b .LBB2_23
; CHECK-NEXT: .LBB2_22:
; CHECK-NEXT: vldr s0, .LCPI2_0
; CHECK-NEXT: .LBB2_23: @ %for.cond.cleanup
; CHECK-NEXT: @ kill: def $s0 killed $s0 killed $q0
; CHECK-NEXT: add sp, #32
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: pop {r4, r5, r7, pc}
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: @ %bb.24:
; CHECK-NEXT: .LCPI2_1:
; CHECK-NEXT: .long 0 @ 0x0
; CHECK-NEXT: .long 1 @ 0x1
; CHECK-NEXT: .long 2 @ 0x2
; CHECK-NEXT: .long 3 @ 0x3
; CHECK-NEXT: .LCPI2_0:
; CHECK-NEXT: .long 0 @ float 0
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %vector.ph
vector.ph: ; preds = %entry
%n.rnd.up = add i32 %N, 3
%n.vec = and i32 %n.rnd.up, -4
%trip.count.minus.1 = add i32 %N, -1
%broadcast.splatinsert11 = insertelement <4 x i32> undef, i32 %trip.count.minus.1, i32 0
%broadcast.splat12 = shufflevector <4 x i32> %broadcast.splatinsert11, <4 x i32> undef, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%vec.phi = phi <4 x float> [ zeroinitializer, %vector.ph ], [ %7, %vector.body ]
%broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
%induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
%0 = getelementptr inbounds half, half* %b, i32 %index
%1 = icmp ule <4 x i32> %induction, %broadcast.splat12
%2 = bitcast half* %0 to <4 x half>*
%wide.masked.load = call <4 x half> @llvm.masked.load.v4f16.p0v4f16(<4 x half>* %2, i32 2, <4 x i1> %1, <4 x half> undef)
%3 = getelementptr inbounds half, half* %c, i32 %index
%4 = bitcast half* %3 to <4 x half>*
%wide.masked.load13 = call <4 x half> @llvm.masked.load.v4f16.p0v4f16(<4 x half>* %4, i32 2, <4 x i1> %1, <4 x half> undef)
%5 = fmul fast <4 x half> %wide.masked.load13, %wide.masked.load
%6 = fpext <4 x half> %5 to <4 x float>
%7 = fadd fast <4 x float> %vec.phi, %6
%index.next = add i32 %index, 4
%8 = icmp eq i32 %index.next, %n.vec
br i1 %8, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%9 = select <4 x i1> %1, <4 x float> %7, <4 x float> %vec.phi
%rdx.shuf = shufflevector <4 x float> %9, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%bin.rdx = fadd fast <4 x float> %9, %rdx.shuf
%rdx.shuf14 = shufflevector <4 x float> %bin.rdx, <4 x float> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
%bin.rdx15 = fadd fast <4 x float> %bin.rdx, %rdx.shuf14
%10 = extractelement <4 x float> %bin.rdx15, i32 0
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %middle.block, %entry
%a.0.lcssa = phi float [ 0.000000e+00, %entry ], [ %10, %middle.block ]
ret float %a.0.lcssa
}
; Function Attrs: argmemonly nounwind readonly willreturn
declare <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>*, i32 immarg, <4 x i1>, <4 x float>)
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.masked.store.v4f32.p0v4f32(<4 x float>, <4 x float>*, i32 immarg, <4 x i1>)
; Function Attrs: argmemonly nounwind readonly willreturn
declare <4 x half> @llvm.masked.load.v4f16.p0v4f16(<4 x half>*, i32 immarg, <4 x i1>, <4 x half>)