File: ppc64-P9-vabsd.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (1771 lines) | stat: -rw-r--r-- 70,319 bytes parent folder | download | duplicates (3)
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
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,CHECK-PWR9,CHECK-PWR9-LE
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr9 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,CHECK-PWR9,CHECK-PWR9-BE
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,CHECK-PWR78,CHECK-PWR8 -implicit-check-not vabsdu
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s -check-prefixes=CHECK,CHECK-PWR78,CHECK-PWR7 -implicit-check-not vmaxsd

define <4 x i32> @simple_absv_32(<4 x i32> %a) local_unnamed_addr {
; CHECK-PWR9-LABEL: simple_absv_32:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vnegw v3, v2
; CHECK-PWR9-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: simple_absv_32:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %sub.i = sub <4 x i32> zeroinitializer, %a
  %0 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %a, <4 x i32> %sub.i)
  ret <4 x i32> %0
}

define <4 x i32> @simple_absv_32_swap(<4 x i32> %a) local_unnamed_addr {
; CHECK-PWR9-LABEL: simple_absv_32_swap:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vnegw v3, v2
; CHECK-PWR9-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: simple_absv_32_swap:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v3, v2
; CHECK-PWR78-NEXT:    blr
entry:
  %sub.i = sub <4 x i32> zeroinitializer, %a
  %0 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %sub.i, <4 x i32> %a)
  ret <4 x i32> %0
}

define <8 x i16> @simple_absv_16(<8 x i16> %a) local_unnamed_addr {
; CHECK-LABEL: simple_absv_16:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsubuhm v3, v3, v2
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %sub.i = sub <8 x i16> zeroinitializer, %a
  %0 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %a, <8 x i16> %sub.i)
  ret <8 x i16> %0
}

define <16 x i8> @simple_absv_8(<16 x i8> %a) local_unnamed_addr {
; CHECK-LABEL: simple_absv_8:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsububm v3, v3, v2
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %sub.i = sub <16 x i8> zeroinitializer, %a
  %0 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %a, <16 x i8> %sub.i)
  ret <16 x i8> %0
}

; v2i64 vmax isn't avaiable on pwr7
define <2 x i64> @sub_absv_64(<2 x i64> %a, <2 x i64> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_64:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vsubudm v2, v2, v3
; CHECK-PWR9-NEXT:    vnegd v3, v2
; CHECK-PWR9-NEXT:    vmaxsd v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR8-LABEL: sub_absv_64:
; CHECK-PWR8:       # %bb.0: # %entry
; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR8-NEXT:    vsubudm v2, v2, v3
; CHECK-PWR8-NEXT:    vsubudm v3, v4, v2
; CHECK-PWR8-NEXT:    vmaxsd v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sub_absv_64:
; CHECK-PWR7:       # %bb.0: # %entry
; CHECK-PWR7-NEXT:    addi r3, r1, -48
; CHECK-PWR7-NEXT:    addi r4, r1, -32
; CHECK-PWR7-NEXT:    stxvd2x v2, 0, r3
; CHECK-PWR7-NEXT:    stxvd2x v3, 0, r4
; CHECK-PWR7-NEXT:    ld r3, -40(r1)
; CHECK-PWR7-NEXT:    ld r4, -24(r1)
; CHECK-PWR7-NEXT:    ld r5, -48(r1)
; CHECK-PWR7-NEXT:    ld r6, -32(r1)
; CHECK-PWR7-NEXT:    sub r3, r3, r4
; CHECK-PWR7-NEXT:    sub r4, r5, r6
; CHECK-PWR7-NEXT:    sradi r5, r3, 63
; CHECK-PWR7-NEXT:    sradi r6, r4, 63
; CHECK-PWR7-NEXT:    add r3, r3, r5
; CHECK-PWR7-NEXT:    add r4, r4, r6
; CHECK-PWR7-NEXT:    xor r3, r3, r5
; CHECK-PWR7-NEXT:    xor r4, r4, r6
; CHECK-PWR7-NEXT:    std r3, -8(r1)
; CHECK-PWR7-NEXT:    addi r3, r1, -16
; CHECK-PWR7-NEXT:    std r4, -16(r1)
; CHECK-PWR7-NEXT:    lxvd2x v2, 0, r3
; CHECK-PWR7-NEXT:    blr
entry:
  %0 = sub nsw <2 x i64> %a, %b
  %1 = icmp sgt <2 x i64> %0, <i64 -1, i64 -1>
  %2 = sub <2 x i64> zeroinitializer, %0
  %3 = select <2 x i1> %1, <2 x i64> %0, <2 x i64> %2
  ret <2 x i64> %3
}

; The select pattern can only be detected for v4i32.
define <4 x i32> @sub_absv_32(<4 x i32> %a, <4 x i32> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_32:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_32:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v4, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %0 = sub nsw <4 x i32> %a, %b
  %1 = icmp sgt <4 x i32> %0, <i32 -1, i32 -1, i32 -1, i32 -1>
  %2 = sub <4 x i32> zeroinitializer, %0
  %3 = select <4 x i1> %1, <4 x i32> %0, <4 x i32> %2
  ret <4 x i32> %3
}

define <8 x i16> @sub_absv_16(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_16:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR9-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-NEXT:    vsubuhm v3, v3, v2
; CHECK-PWR9-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_16:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR78-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v3, v4, v2
; CHECK-PWR78-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %0 = sub nsw <8 x i16> %a, %b
  %1 = icmp sgt <8 x i16> %0, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
  %2 = sub <8 x i16> zeroinitializer, %0
  %3 = select <8 x i1> %1, <8 x i16> %0, <8 x i16> %2
  ret <8 x i16> %3
}

define <16 x i8> @sub_absv_8(<16 x i8> %a, <16 x i8> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_8:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vsububm v2, v2, v3
; CHECK-PWR9-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-NEXT:    vsububm v3, v3, v2
; CHECK-PWR9-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_8:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR78-NEXT:    vsububm v2, v2, v3
; CHECK-PWR78-NEXT:    vsububm v3, v4, v2
; CHECK-PWR78-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %0 = sub nsw <16 x i8> %a, %b
  %1 = icmp sgt <16 x i8> %0, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
  %2 = sub <16 x i8> zeroinitializer, %0
  %3 = select <16 x i1> %1, <16 x i8> %0, <16 x i8> %2
  ret <16 x i8> %3
}

; FIXME: This does not produce the ISD::ABS that we are looking for.
; We should fix the missing canonicalization.
; We do manage to find the word version of ABS but not the halfword.
; Threfore, we end up doing more work than is required with a pair of abs for word
;  instead of just one for the halfword.
define <8 x i16> @sub_absv_16_ext(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_16_ext:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vmrghh v4, v2, v2
; CHECK-PWR9-NEXT:    vmrglh v2, v2, v2
; CHECK-PWR9-NEXT:    vmrghh v5, v3, v3
; CHECK-PWR9-NEXT:    vmrglh v3, v3, v3
; CHECK-PWR9-NEXT:    vextsh2w v2, v2
; CHECK-PWR9-NEXT:    vextsh2w v3, v3
; CHECK-PWR9-NEXT:    vextsh2w v4, v4
; CHECK-PWR9-NEXT:    vextsh2w v5, v5
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    xvnegsp v4, v4
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    xvnegsp v3, v5
; CHECK-PWR9-NEXT:    vabsduw v3, v4, v3
; CHECK-PWR9-NEXT:    vpkuwum v2, v3, v2
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR8-LABEL: sub_absv_16_ext:
; CHECK-PWR8:       # %bb.0: # %entry
; CHECK-PWR8-NEXT:    vmrglh v5, v2, v2
; CHECK-PWR8-NEXT:    vspltisw v4, 8
; CHECK-PWR8-NEXT:    vmrghh v2, v2, v2
; CHECK-PWR8-NEXT:    vmrglh v0, v3, v3
; CHECK-PWR8-NEXT:    vmrghh v3, v3, v3
; CHECK-PWR8-NEXT:    vadduwm v4, v4, v4
; CHECK-PWR8-NEXT:    vslw v5, v5, v4
; CHECK-PWR8-NEXT:    vslw v2, v2, v4
; CHECK-PWR8-NEXT:    vslw v0, v0, v4
; CHECK-PWR8-NEXT:    vslw v3, v3, v4
; CHECK-PWR8-NEXT:    vsraw v5, v5, v4
; CHECK-PWR8-NEXT:    vsraw v2, v2, v4
; CHECK-PWR8-NEXT:    vsraw v0, v0, v4
; CHECK-PWR8-NEXT:    vsraw v3, v3, v4
; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR8-NEXT:    vsubuwm v5, v5, v0
; CHECK-PWR8-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR8-NEXT:    vsubuwm v3, v4, v5
; CHECK-PWR8-NEXT:    vsubuwm v4, v4, v2
; CHECK-PWR8-NEXT:    vmaxsw v3, v5, v3
; CHECK-PWR8-NEXT:    vmaxsw v2, v2, v4
; CHECK-PWR8-NEXT:    vpkuwum v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sub_absv_16_ext:
; CHECK-PWR7:       # %bb.0: # %entry
; CHECK-PWR7-NEXT:    vmrglh v5, v2, v2
; CHECK-PWR7-NEXT:    vmrghh v2, v2, v2
; CHECK-PWR7-NEXT:    vmrglh v0, v3, v3
; CHECK-PWR7-NEXT:    vmrghh v3, v3, v3
; CHECK-PWR7-NEXT:    vspltisw v4, 8
; CHECK-PWR7-NEXT:    vadduwm v4, v4, v4
; CHECK-PWR7-NEXT:    vslw v5, v5, v4
; CHECK-PWR7-NEXT:    vslw v2, v2, v4
; CHECK-PWR7-NEXT:    vslw v0, v0, v4
; CHECK-PWR7-NEXT:    vslw v3, v3, v4
; CHECK-PWR7-NEXT:    vsraw v5, v5, v4
; CHECK-PWR7-NEXT:    vsraw v2, v2, v4
; CHECK-PWR7-NEXT:    vsraw v0, v0, v4
; CHECK-PWR7-NEXT:    vsraw v3, v3, v4
; CHECK-PWR7-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR7-NEXT:    vsubuwm v5, v5, v0
; CHECK-PWR7-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR7-NEXT:    vsubuwm v3, v4, v5
; CHECK-PWR7-NEXT:    vsubuwm v4, v4, v2
; CHECK-PWR7-NEXT:    vmaxsw v3, v5, v3
; CHECK-PWR7-NEXT:    vmaxsw v2, v2, v4
; CHECK-PWR7-NEXT:    vpkuwum v2, v2, v3
; CHECK-PWR7-NEXT:    blr
entry:
  %0 = sext <8 x i16> %a to <8 x i32>
  %1 = sext <8 x i16> %b to <8 x i32>
  %2 = sub nsw <8 x i32> %0, %1
  %3 = icmp sgt <8 x i32> %2, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
  %4 = sub nsw <8 x i32> zeroinitializer, %2
  %5 = select <8 x i1> %3, <8 x i32> %2, <8 x i32> %4
  %6 = trunc <8 x i32> %5 to <8 x i16>
  ret <8 x i16> %6
}

; FIXME: This does not produce ISD::ABS. This does not even vectorize correctly!
; This function should look like sub_absv_32 and sub_absv_16 except that the type is v16i8.
; Function Attrs: norecurse nounwind readnone
define <16 x i8> @sub_absv_8_ext(<16 x i8> %a, <16 x i8> %b) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: sub_absv_8_ext:
; CHECK-PWR9-LE:       # %bb.0: # %entry
; CHECK-PWR9-LE-NEXT:    li r3, 0
; CHECK-PWR9-LE-NEXT:    li r5, 2
; CHECK-PWR9-LE-NEXT:    li r4, 1
; CHECK-PWR9-LE-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    vextubrx r6, r3, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r3, r3, v3
; CHECK-PWR9-LE-NEXT:    vextubrx r8, r5, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r5, r5, v3
; CHECK-PWR9-LE-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r28, -32(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r27, -40(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r26, -48(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r25, -56(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r3, r3, 24
; CHECK-PWR9-LE-NEXT:    vextubrx r7, r4, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r4, r4, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-LE-NEXT:    sub r3, r6, r3
; CHECK-PWR9-LE-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r4, r4, 24
; CHECK-PWR9-LE-NEXT:    sub r5, r8, r5
; CHECK-PWR9-LE-NEXT:    sub r4, r7, r4
; CHECK-PWR9-LE-NEXT:    srawi r6, r3, 31
; CHECK-PWR9-LE-NEXT:    srawi r7, r4, 31
; CHECK-PWR9-LE-NEXT:    add r3, r3, r6
; CHECK-PWR9-LE-NEXT:    add r4, r4, r7
; CHECK-PWR9-LE-NEXT:    xor r6, r3, r6
; CHECK-PWR9-LE-NEXT:    srawi r3, r5, 31
; CHECK-PWR9-LE-NEXT:    xor r4, r4, r7
; CHECK-PWR9-LE-NEXT:    add r5, r5, r3
; CHECK-PWR9-LE-NEXT:    xor r3, r5, r3
; CHECK-PWR9-LE-NEXT:    li r5, 3
; CHECK-PWR9-LE-NEXT:    vextubrx r7, r5, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r5, r5, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR9-LE-NEXT:    sub r5, r7, r5
; CHECK-PWR9-LE-NEXT:    srawi r7, r5, 31
; CHECK-PWR9-LE-NEXT:    add r5, r5, r7
; CHECK-PWR9-LE-NEXT:    xor r5, r5, r7
; CHECK-PWR9-LE-NEXT:    li r7, 4
; CHECK-PWR9-LE-NEXT:    vextubrx r8, r7, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r7, r7, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r5
; CHECK-PWR9-LE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-LE-NEXT:    sub r7, r8, r7
; CHECK-PWR9-LE-NEXT:    srawi r8, r7, 31
; CHECK-PWR9-LE-NEXT:    add r7, r7, r8
; CHECK-PWR9-LE-NEXT:    xor r7, r7, r8
; CHECK-PWR9-LE-NEXT:    li r8, 5
; CHECK-PWR9-LE-NEXT:    vextubrx r9, r8, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r8, r8, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-LE-NEXT:    sub r8, r9, r8
; CHECK-PWR9-LE-NEXT:    srawi r9, r8, 31
; CHECK-PWR9-LE-NEXT:    add r8, r8, r9
; CHECK-PWR9-LE-NEXT:    xor r8, r8, r9
; CHECK-PWR9-LE-NEXT:    li r9, 6
; CHECK-PWR9-LE-NEXT:    vextubrx r10, r9, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r9, r9, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-LE-NEXT:    sub r9, r10, r9
; CHECK-PWR9-LE-NEXT:    srawi r10, r9, 31
; CHECK-PWR9-LE-NEXT:    add r9, r9, r10
; CHECK-PWR9-LE-NEXT:    xor r9, r9, r10
; CHECK-PWR9-LE-NEXT:    li r10, 7
; CHECK-PWR9-LE-NEXT:    vextubrx r11, r10, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r10, r10, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-LE-NEXT:    sub r10, r11, r10
; CHECK-PWR9-LE-NEXT:    srawi r11, r10, 31
; CHECK-PWR9-LE-NEXT:    add r10, r10, r11
; CHECK-PWR9-LE-NEXT:    xor r10, r10, r11
; CHECK-PWR9-LE-NEXT:    li r11, 8
; CHECK-PWR9-LE-NEXT:    vextubrx r12, r11, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r11, r11, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v5, r10
; CHECK-PWR9-LE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-LE-NEXT:    sub r11, r12, r11
; CHECK-PWR9-LE-NEXT:    srawi r12, r11, 31
; CHECK-PWR9-LE-NEXT:    add r11, r11, r12
; CHECK-PWR9-LE-NEXT:    xor r11, r11, r12
; CHECK-PWR9-LE-NEXT:    li r12, 9
; CHECK-PWR9-LE-NEXT:    vextubrx r0, r12, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r12, r12, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-LE-NEXT:    sub r12, r0, r12
; CHECK-PWR9-LE-NEXT:    srawi r0, r12, 31
; CHECK-PWR9-LE-NEXT:    add r12, r12, r0
; CHECK-PWR9-LE-NEXT:    xor r12, r12, r0
; CHECK-PWR9-LE-NEXT:    li r0, 10
; CHECK-PWR9-LE-NEXT:    vextubrx r30, r0, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r0, r0, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-LE-NEXT:    sub r0, r30, r0
; CHECK-PWR9-LE-NEXT:    srawi r30, r0, 31
; CHECK-PWR9-LE-NEXT:    add r0, r0, r30
; CHECK-PWR9-LE-NEXT:    xor r0, r0, r30
; CHECK-PWR9-LE-NEXT:    li r30, 11
; CHECK-PWR9-LE-NEXT:    vextubrx r29, r30, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r30, r30, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-LE-NEXT:    sub r30, r29, r30
; CHECK-PWR9-LE-NEXT:    srawi r29, r30, 31
; CHECK-PWR9-LE-NEXT:    add r30, r30, r29
; CHECK-PWR9-LE-NEXT:    xor r30, r30, r29
; CHECK-PWR9-LE-NEXT:    li r29, 12
; CHECK-PWR9-LE-NEXT:    vextubrx r28, r29, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r29, r29, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-LE-NEXT:    sub r29, r28, r29
; CHECK-PWR9-LE-NEXT:    srawi r28, r29, 31
; CHECK-PWR9-LE-NEXT:    add r29, r29, r28
; CHECK-PWR9-LE-NEXT:    xor r29, r29, r28
; CHECK-PWR9-LE-NEXT:    li r28, 13
; CHECK-PWR9-LE-NEXT:    vextubrx r27, r28, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r28, r28, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-LE-NEXT:    sub r28, r27, r28
; CHECK-PWR9-LE-NEXT:    srawi r27, r28, 31
; CHECK-PWR9-LE-NEXT:    add r28, r28, r27
; CHECK-PWR9-LE-NEXT:    xor r28, r28, r27
; CHECK-PWR9-LE-NEXT:    li r27, 14
; CHECK-PWR9-LE-NEXT:    vextubrx r26, r27, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r27, r27, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-LE-NEXT:    sub r27, r26, r27
; CHECK-PWR9-LE-NEXT:    srawi r26, r27, 31
; CHECK-PWR9-LE-NEXT:    add r27, r27, r26
; CHECK-PWR9-LE-NEXT:    xor r27, r27, r26
; CHECK-PWR9-LE-NEXT:    li r26, 15
; CHECK-PWR9-LE-NEXT:    vextubrx r25, r26, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r26, r26, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v2, r6
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r4
; CHECK-PWR9-LE-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r3
; CHECK-PWR9-LE-NEXT:    clrlwi r25, r25, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r8
; CHECK-PWR9-LE-NEXT:    sub r26, r25, r26
; CHECK-PWR9-LE-NEXT:    vmrglh v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r7
; CHECK-PWR9-LE-NEXT:    srawi r25, r26, 31
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r9
; CHECK-PWR9-LE-NEXT:    add r26, r26, r25
; CHECK-PWR9-LE-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR9-LE-NEXT:    mtvsrd v5, r30
; CHECK-PWR9-LE-NEXT:    xor r26, r26, r25
; CHECK-PWR9-LE-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    mtvsrd v0, r26
; CHECK-PWR9-LE-NEXT:    ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r12
; CHECK-PWR9-LE-NEXT:    vmrglw v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r11
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r0
; CHECK-PWR9-LE-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR9-LE-NEXT:    mtvsrd v5, r28
; CHECK-PWR9-LE-NEXT:    ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r29
; CHECK-PWR9-LE-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR9-LE-NEXT:    mtvsrd v5, r27
; CHECK-PWR9-LE-NEXT:    ld r27, -40(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrghb v5, v0, v5
; CHECK-PWR9-LE-NEXT:    vmrglh v4, v5, v4
; CHECK-PWR9-LE-NEXT:    vmrglw v3, v4, v3
; CHECK-PWR9-LE-NEXT:    xxmrgld v2, v3, v2
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: sub_absv_8_ext:
; CHECK-PWR9-BE:       # %bb.0: # %entry
; CHECK-PWR9-BE-NEXT:    li r3, 0
; CHECK-PWR9-BE-NEXT:    li r4, 1
; CHECK-PWR9-BE-NEXT:    li r5, 2
; CHECK-PWR9-BE-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    vextublx r6, r3, v2
; CHECK-PWR9-BE-NEXT:    vextublx r3, r3, v3
; CHECK-PWR9-BE-NEXT:    vextublx r7, r4, v2
; CHECK-PWR9-BE-NEXT:    vextublx r4, r4, v3
; CHECK-PWR9-BE-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r28, -32(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r27, -40(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r26, -48(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r25, -56(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r3, r3, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r4, r4, 24
; CHECK-PWR9-BE-NEXT:    vextublx r8, r5, v2
; CHECK-PWR9-BE-NEXT:    vextublx r5, r5, v3
; CHECK-PWR9-BE-NEXT:    sub r3, r6, r3
; CHECK-PWR9-BE-NEXT:    sub r4, r7, r4
; CHECK-PWR9-BE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR9-BE-NEXT:    sub r5, r8, r5
; CHECK-PWR9-BE-NEXT:    srawi r6, r3, 31
; CHECK-PWR9-BE-NEXT:    srawi r7, r4, 31
; CHECK-PWR9-BE-NEXT:    srawi r8, r5, 31
; CHECK-PWR9-BE-NEXT:    add r3, r3, r6
; CHECK-PWR9-BE-NEXT:    add r4, r4, r7
; CHECK-PWR9-BE-NEXT:    add r5, r5, r8
; CHECK-PWR9-BE-NEXT:    xor r3, r3, r6
; CHECK-PWR9-BE-NEXT:    li r6, 3
; CHECK-PWR9-BE-NEXT:    xor r4, r4, r7
; CHECK-PWR9-BE-NEXT:    xor r5, r5, r8
; CHECK-PWR9-BE-NEXT:    vextublx r7, r6, v2
; CHECK-PWR9-BE-NEXT:    vextublx r6, r6, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v1, r3
; CHECK-PWR9-BE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-BE-NEXT:    sub r6, r7, r6
; CHECK-PWR9-BE-NEXT:    srawi r7, r6, 31
; CHECK-PWR9-BE-NEXT:    add r6, r6, r7
; CHECK-PWR9-BE-NEXT:    xor r6, r6, r7
; CHECK-PWR9-BE-NEXT:    li r7, 4
; CHECK-PWR9-BE-NEXT:    vextublx r8, r7, v2
; CHECK-PWR9-BE-NEXT:    vextublx r7, r7, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-BE-NEXT:    sub r7, r8, r7
; CHECK-PWR9-BE-NEXT:    srawi r8, r7, 31
; CHECK-PWR9-BE-NEXT:    add r7, r7, r8
; CHECK-PWR9-BE-NEXT:    xor r7, r7, r8
; CHECK-PWR9-BE-NEXT:    li r8, 5
; CHECK-PWR9-BE-NEXT:    vextublx r9, r8, v2
; CHECK-PWR9-BE-NEXT:    vextublx r8, r8, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-BE-NEXT:    sub r8, r9, r8
; CHECK-PWR9-BE-NEXT:    srawi r9, r8, 31
; CHECK-PWR9-BE-NEXT:    add r8, r8, r9
; CHECK-PWR9-BE-NEXT:    xor r8, r8, r9
; CHECK-PWR9-BE-NEXT:    li r9, 6
; CHECK-PWR9-BE-NEXT:    vextublx r10, r9, v2
; CHECK-PWR9-BE-NEXT:    vextublx r9, r9, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-BE-NEXT:    sub r9, r10, r9
; CHECK-PWR9-BE-NEXT:    srawi r10, r9, 31
; CHECK-PWR9-BE-NEXT:    add r9, r9, r10
; CHECK-PWR9-BE-NEXT:    xor r9, r9, r10
; CHECK-PWR9-BE-NEXT:    li r10, 7
; CHECK-PWR9-BE-NEXT:    vextublx r11, r10, v2
; CHECK-PWR9-BE-NEXT:    vextublx r10, r10, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-BE-NEXT:    sub r10, r11, r10
; CHECK-PWR9-BE-NEXT:    srawi r11, r10, 31
; CHECK-PWR9-BE-NEXT:    add r10, r10, r11
; CHECK-PWR9-BE-NEXT:    xor r10, r10, r11
; CHECK-PWR9-BE-NEXT:    li r11, 8
; CHECK-PWR9-BE-NEXT:    vextublx r12, r11, v2
; CHECK-PWR9-BE-NEXT:    vextublx r11, r11, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-BE-NEXT:    sub r11, r12, r11
; CHECK-PWR9-BE-NEXT:    srawi r12, r11, 31
; CHECK-PWR9-BE-NEXT:    add r11, r11, r12
; CHECK-PWR9-BE-NEXT:    xor r11, r11, r12
; CHECK-PWR9-BE-NEXT:    li r12, 9
; CHECK-PWR9-BE-NEXT:    vextublx r0, r12, v2
; CHECK-PWR9-BE-NEXT:    vextublx r12, r12, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v0, r11
; CHECK-PWR9-BE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-BE-NEXT:    sub r12, r0, r12
; CHECK-PWR9-BE-NEXT:    srawi r0, r12, 31
; CHECK-PWR9-BE-NEXT:    add r12, r12, r0
; CHECK-PWR9-BE-NEXT:    xor r12, r12, r0
; CHECK-PWR9-BE-NEXT:    li r0, 10
; CHECK-PWR9-BE-NEXT:    vextublx r30, r0, v2
; CHECK-PWR9-BE-NEXT:    vextublx r0, r0, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-BE-NEXT:    sub r0, r30, r0
; CHECK-PWR9-BE-NEXT:    srawi r30, r0, 31
; CHECK-PWR9-BE-NEXT:    add r0, r0, r30
; CHECK-PWR9-BE-NEXT:    xor r0, r0, r30
; CHECK-PWR9-BE-NEXT:    li r30, 11
; CHECK-PWR9-BE-NEXT:    vextublx r29, r30, v2
; CHECK-PWR9-BE-NEXT:    vextublx r30, r30, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-BE-NEXT:    sub r30, r29, r30
; CHECK-PWR9-BE-NEXT:    srawi r29, r30, 31
; CHECK-PWR9-BE-NEXT:    add r30, r30, r29
; CHECK-PWR9-BE-NEXT:    xor r30, r30, r29
; CHECK-PWR9-BE-NEXT:    li r29, 12
; CHECK-PWR9-BE-NEXT:    vextublx r28, r29, v2
; CHECK-PWR9-BE-NEXT:    vextublx r29, r29, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-BE-NEXT:    sub r29, r28, r29
; CHECK-PWR9-BE-NEXT:    srawi r28, r29, 31
; CHECK-PWR9-BE-NEXT:    add r29, r29, r28
; CHECK-PWR9-BE-NEXT:    xor r29, r29, r28
; CHECK-PWR9-BE-NEXT:    li r28, 13
; CHECK-PWR9-BE-NEXT:    vextublx r27, r28, v2
; CHECK-PWR9-BE-NEXT:    vextublx r28, r28, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v5, r29
; CHECK-PWR9-BE-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-BE-NEXT:    sub r28, r27, r28
; CHECK-PWR9-BE-NEXT:    srawi r27, r28, 31
; CHECK-PWR9-BE-NEXT:    add r28, r28, r27
; CHECK-PWR9-BE-NEXT:    xor r28, r28, r27
; CHECK-PWR9-BE-NEXT:    li r27, 14
; CHECK-PWR9-BE-NEXT:    vextublx r26, r27, v2
; CHECK-PWR9-BE-NEXT:    vextublx r27, r27, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-BE-NEXT:    sub r27, r26, r27
; CHECK-PWR9-BE-NEXT:    srawi r26, r27, 31
; CHECK-PWR9-BE-NEXT:    add r27, r27, r26
; CHECK-PWR9-BE-NEXT:    xor r27, r27, r26
; CHECK-PWR9-BE-NEXT:    li r26, 15
; CHECK-PWR9-BE-NEXT:    vextublx r25, r26, v2
; CHECK-PWR9-BE-NEXT:    vextublx r26, r26, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r27
; CHECK-PWR9-BE-NEXT:    addis r27, r2, .LCPI9_0@toc@ha
; CHECK-PWR9-BE-NEXT:    addi r27, r27, .LCPI9_0@toc@l
; CHECK-PWR9-BE-NEXT:    clrlwi r25, r25, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-BE-NEXT:    lxv v4, 0(r27)
; CHECK-PWR9-BE-NEXT:    ld r27, -40(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    sub r26, r25, r26
; CHECK-PWR9-BE-NEXT:    srawi r25, r26, 31
; CHECK-PWR9-BE-NEXT:    add r26, r26, r25
; CHECK-PWR9-BE-NEXT:    xor r26, r26, r25
; CHECK-PWR9-BE-NEXT:    ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    mtvsrwz v2, r26
; CHECK-PWR9-BE-NEXT:    ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    vperm v2, v3, v2, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r28
; CHECK-PWR9-BE-NEXT:    ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v5, r0
; CHECK-PWR9-BE-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r30
; CHECK-PWR9-BE-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v5, r12
; CHECK-PWR9-BE-NEXT:    vperm v5, v0, v5, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v0, r7
; CHECK-PWR9-BE-NEXT:    vmrghh v3, v5, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v5, r9
; CHECK-PWR9-BE-NEXT:    vmrghw v2, v3, v2
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r10
; CHECK-PWR9-BE-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v5, r8
; CHECK-PWR9-BE-NEXT:    vperm v5, v0, v5, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v0, r5
; CHECK-PWR9-BE-NEXT:    vmrghh v3, v5, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v5, r6
; CHECK-PWR9-BE-NEXT:    vperm v5, v0, v5, v4
; CHECK-PWR9-BE-NEXT:    mtvsrwz v0, r4
; CHECK-PWR9-BE-NEXT:    vperm v4, v1, v0, v4
; CHECK-PWR9-BE-NEXT:    vmrghh v4, v4, v5
; CHECK-PWR9-BE-NEXT:    vmrghw v3, v4, v3
; CHECK-PWR9-BE-NEXT:    xxmrghd v2, v3, v2
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: sub_absv_8_ext:
; CHECK-PWR8:       # %bb.0: # %entry
; CHECK-PWR8-NEXT:    xxswapd vs0, v2
; CHECK-PWR8-NEXT:    mfvsrd r5, v2
; CHECK-PWR8-NEXT:    std r26, -48(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r25, -56(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r27, -40(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    mfvsrd r6, v3
; CHECK-PWR8-NEXT:    xxswapd vs1, v3
; CHECK-PWR8-NEXT:    clrldi r3, r5, 56
; CHECK-PWR8-NEXT:    rldicl r7, r5, 56, 56
; CHECK-PWR8-NEXT:    clrldi r4, r6, 56
; CHECK-PWR8-NEXT:    rldicl r8, r6, 56, 56
; CHECK-PWR8-NEXT:    mffprd r26, f0
; CHECK-PWR8-NEXT:    clrlwi r3, r3, 24
; CHECK-PWR8-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR8-NEXT:    std r28, -32(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    rldicl r11, r5, 40, 56
; CHECK-PWR8-NEXT:    rldicl r12, r6, 40, 56
; CHECK-PWR8-NEXT:    clrlwi r4, r4, 24
; CHECK-PWR8-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR8-NEXT:    rldicl r9, r5, 48, 56
; CHECK-PWR8-NEXT:    rldicl r10, r6, 48, 56
; CHECK-PWR8-NEXT:    sub r4, r3, r4
; CHECK-PWR8-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR8-NEXT:    rldicl r3, r26, 16, 56
; CHECK-PWR8-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR8-NEXT:    sub r7, r7, r8
; CHECK-PWR8-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR8-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR8-NEXT:    std r24, -64(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    mffprd r24, f1
; CHECK-PWR8-NEXT:    rldicl r0, r5, 32, 56
; CHECK-PWR8-NEXT:    rldicl r30, r6, 32, 56
; CHECK-PWR8-NEXT:    std r3, -160(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    sub r11, r11, r12
; CHECK-PWR8-NEXT:    sub r9, r9, r10
; CHECK-PWR8-NEXT:    srawi r3, r4, 31
; CHECK-PWR8-NEXT:    srawi r12, r7, 31
; CHECK-PWR8-NEXT:    clrlwi r10, r0, 24
; CHECK-PWR8-NEXT:    clrlwi r0, r30, 24
; CHECK-PWR8-NEXT:    add r4, r4, r3
; CHECK-PWR8-NEXT:    add r7, r7, r12
; CHECK-PWR8-NEXT:    sub r10, r10, r0
; CHECK-PWR8-NEXT:    std r20, -96(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r21, -88(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    xor r3, r4, r3
; CHECK-PWR8-NEXT:    srawi r4, r9, 31
; CHECK-PWR8-NEXT:    xor r7, r7, r12
; CHECK-PWR8-NEXT:    std r22, -80(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    rldicl r29, r5, 24, 56
; CHECK-PWR8-NEXT:    rldicl r28, r6, 24, 56
; CHECK-PWR8-NEXT:    add r9, r9, r4
; CHECK-PWR8-NEXT:    mtvsrd v3, r7
; CHECK-PWR8-NEXT:    rldicl r27, r5, 16, 56
; CHECK-PWR8-NEXT:    rldicl r25, r6, 16, 56
; CHECK-PWR8-NEXT:    clrlwi r30, r29, 24
; CHECK-PWR8-NEXT:    clrlwi r29, r28, 24
; CHECK-PWR8-NEXT:    mtvsrd v2, r3
; CHECK-PWR8-NEXT:    xor r4, r9, r4
; CHECK-PWR8-NEXT:    srawi r7, r10, 31
; CHECK-PWR8-NEXT:    srawi r3, r11, 31
; CHECK-PWR8-NEXT:    clrlwi r9, r27, 24
; CHECK-PWR8-NEXT:    clrlwi r12, r25, 24
; CHECK-PWR8-NEXT:    sub r0, r30, r29
; CHECK-PWR8-NEXT:    mtvsrd v4, r4
; CHECK-PWR8-NEXT:    std r23, -72(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    add r10, r10, r7
; CHECK-PWR8-NEXT:    add r11, r11, r3
; CHECK-PWR8-NEXT:    sub r9, r9, r12
; CHECK-PWR8-NEXT:    std r18, -112(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r19, -104(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR8-NEXT:    xor r7, r10, r7
; CHECK-PWR8-NEXT:    rldicl r5, r5, 8, 56
; CHECK-PWR8-NEXT:    xor r3, r11, r3
; CHECK-PWR8-NEXT:    rldicl r6, r6, 8, 56
; CHECK-PWR8-NEXT:    srawi r4, r0, 31
; CHECK-PWR8-NEXT:    mtvsrd v0, r7
; CHECK-PWR8-NEXT:    std r16, -128(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r17, -120(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    srawi r7, r9, 31
; CHECK-PWR8-NEXT:    clrldi r23, r26, 56
; CHECK-PWR8-NEXT:    mtvsrd v5, r3
; CHECK-PWR8-NEXT:    clrlwi r3, r5, 24
; CHECK-PWR8-NEXT:    clrlwi r5, r6, 24
; CHECK-PWR8-NEXT:    clrldi r22, r24, 56
; CHECK-PWR8-NEXT:    rldicl r21, r26, 56, 56
; CHECK-PWR8-NEXT:    add r10, r0, r4
; CHECK-PWR8-NEXT:    add r9, r9, r7
; CHECK-PWR8-NEXT:    rldicl r20, r24, 56, 56
; CHECK-PWR8-NEXT:    rldicl r19, r26, 48, 56
; CHECK-PWR8-NEXT:    sub r3, r3, r5
; CHECK-PWR8-NEXT:    xor r4, r10, r4
; CHECK-PWR8-NEXT:    xor r7, r9, r7
; CHECK-PWR8-NEXT:    clrlwi r9, r23, 24
; CHECK-PWR8-NEXT:    rldicl r18, r24, 48, 56
; CHECK-PWR8-NEXT:    clrlwi r10, r22, 24
; CHECK-PWR8-NEXT:    clrlwi r11, r21, 24
; CHECK-PWR8-NEXT:    clrlwi r12, r20, 24
; CHECK-PWR8-NEXT:    mtvsrd v1, r4
; CHECK-PWR8-NEXT:    std r14, -144(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r15, -136(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    rldicl r17, r26, 40, 56
; CHECK-PWR8-NEXT:    rldicl r16, r24, 40, 56
; CHECK-PWR8-NEXT:    sub r9, r9, r10
; CHECK-PWR8-NEXT:    sub r10, r11, r12
; CHECK-PWR8-NEXT:    mtvsrd v3, r7
; CHECK-PWR8-NEXT:    srawi r4, r3, 31
; CHECK-PWR8-NEXT:    clrlwi r11, r19, 24
; CHECK-PWR8-NEXT:    clrlwi r12, r18, 24
; CHECK-PWR8-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR8-NEXT:    std r31, -8(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    add r3, r3, r4
; CHECK-PWR8-NEXT:    sub r7, r11, r12
; CHECK-PWR8-NEXT:    clrlwi r11, r17, 24
; CHECK-PWR8-NEXT:    clrlwi r12, r16, 24
; CHECK-PWR8-NEXT:    vmrghb v0, v1, v0
; CHECK-PWR8-NEXT:    std r2, -152(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    rldicl r15, r26, 32, 56
; CHECK-PWR8-NEXT:    rldicl r14, r24, 32, 56
; CHECK-PWR8-NEXT:    xor r3, r3, r4
; CHECK-PWR8-NEXT:    sub r11, r11, r12
; CHECK-PWR8-NEXT:    srawi r4, r9, 31
; CHECK-PWR8-NEXT:    srawi r12, r10, 31
; CHECK-PWR8-NEXT:    clrlwi r0, r15, 24
; CHECK-PWR8-NEXT:    clrlwi r30, r14, 24
; CHECK-PWR8-NEXT:    mtvsrd v5, r3
; CHECK-PWR8-NEXT:    ld r27, -40(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    add r9, r9, r4
; CHECK-PWR8-NEXT:    add r10, r10, r12
; CHECK-PWR8-NEXT:    sub r3, r0, r30
; CHECK-PWR8-NEXT:    ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r23, -72(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r22, -80(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    srawi r28, r11, 31
; CHECK-PWR8-NEXT:    xor r4, r9, r4
; CHECK-PWR8-NEXT:    xor r10, r10, r12
; CHECK-PWR8-NEXT:    vmrghb v3, v5, v3
; CHECK-PWR8-NEXT:    ld r21, -88(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r20, -96(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    srawi r29, r7, 31
; CHECK-PWR8-NEXT:    srawi r9, r3, 31
; CHECK-PWR8-NEXT:    mtvsrd v5, r4
; CHECK-PWR8-NEXT:    add r4, r11, r28
; CHECK-PWR8-NEXT:    ld r19, -104(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r18, -112(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    mtvsrd v1, r10
; CHECK-PWR8-NEXT:    ld r10, -160(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    rldicl r31, r26, 24, 56
; CHECK-PWR8-NEXT:    rldicl r2, r24, 24, 56
; CHECK-PWR8-NEXT:    add r7, r7, r29
; CHECK-PWR8-NEXT:    add r3, r3, r9
; CHECK-PWR8-NEXT:    rldicl r8, r24, 16, 56
; CHECK-PWR8-NEXT:    rldicl r6, r26, 8, 56
; CHECK-PWR8-NEXT:    xor r4, r4, r28
; CHECK-PWR8-NEXT:    clrlwi r0, r31, 24
; CHECK-PWR8-NEXT:    clrlwi r30, r2, 24
; CHECK-PWR8-NEXT:    xor r7, r7, r29
; CHECK-PWR8-NEXT:    rldicl r5, r24, 8, 56
; CHECK-PWR8-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR8-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR8-NEXT:    xor r3, r3, r9
; CHECK-PWR8-NEXT:    mtvsrd v7, r4
; CHECK-PWR8-NEXT:    clrlwi r4, r6, 24
; CHECK-PWR8-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR8-NEXT:    sub r0, r0, r30
; CHECK-PWR8-NEXT:    mtvsrd v6, r7
; CHECK-PWR8-NEXT:    sub r7, r10, r8
; CHECK-PWR8-NEXT:    ld r2, -152(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r31, -8(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    mtvsrd v8, r3
; CHECK-PWR8-NEXT:    sub r3, r4, r5
; CHECK-PWR8-NEXT:    srawi r12, r0, 31
; CHECK-PWR8-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    srawi r6, r7, 31
; CHECK-PWR8-NEXT:    srawi r5, r3, 31
; CHECK-PWR8-NEXT:    add r8, r0, r12
; CHECK-PWR8-NEXT:    vmrghb v5, v1, v5
; CHECK-PWR8-NEXT:    ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r24, -64(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    add r4, r7, r6
; CHECK-PWR8-NEXT:    add r3, r3, r5
; CHECK-PWR8-NEXT:    xor r8, r8, r12
; CHECK-PWR8-NEXT:    vmrghb v6, v7, v6
; CHECK-PWR8-NEXT:    ld r17, -120(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r16, -128(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    xor r4, r4, r6
; CHECK-PWR8-NEXT:    xor r3, r3, r5
; CHECK-PWR8-NEXT:    mtvsrd v9, r8
; CHECK-PWR8-NEXT:    ld r15, -136(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    ld r14, -144(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    mtvsrd v1, r4
; CHECK-PWR8-NEXT:    mtvsrd v7, r3
; CHECK-PWR8-NEXT:    vmrghb v8, v9, v8
; CHECK-PWR8-NEXT:    vmrghb v1, v7, v1
; CHECK-PWR8-NEXT:    vmrglh v2, v4, v2
; CHECK-PWR8-NEXT:    vmrglh v3, v3, v0
; CHECK-PWR8-NEXT:    vmrglh v4, v6, v5
; CHECK-PWR8-NEXT:    vmrglh v5, v1, v8
; CHECK-PWR8-NEXT:    vmrglw v2, v3, v2
; CHECK-PWR8-NEXT:    vmrglw v3, v5, v4
; CHECK-PWR8-NEXT:    xxmrgld v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sub_absv_8_ext:
; CHECK-PWR7:       # %bb.0: # %entry
; CHECK-PWR7-NEXT:    stdu r1, -464(r1)
; CHECK-PWR7-NEXT:    .cfi_def_cfa_offset 464
; CHECK-PWR7-NEXT:    .cfi_offset r16, -128
; CHECK-PWR7-NEXT:    .cfi_offset r17, -120
; CHECK-PWR7-NEXT:    .cfi_offset r18, -112
; CHECK-PWR7-NEXT:    .cfi_offset r19, -104
; CHECK-PWR7-NEXT:    .cfi_offset r20, -96
; CHECK-PWR7-NEXT:    .cfi_offset r21, -88
; CHECK-PWR7-NEXT:    .cfi_offset r22, -80
; CHECK-PWR7-NEXT:    .cfi_offset r23, -72
; CHECK-PWR7-NEXT:    .cfi_offset r24, -64
; CHECK-PWR7-NEXT:    .cfi_offset r25, -56
; CHECK-PWR7-NEXT:    .cfi_offset r26, -48
; CHECK-PWR7-NEXT:    .cfi_offset r27, -40
; CHECK-PWR7-NEXT:    .cfi_offset r28, -32
; CHECK-PWR7-NEXT:    .cfi_offset r29, -24
; CHECK-PWR7-NEXT:    .cfi_offset r30, -16
; CHECK-PWR7-NEXT:    addi r3, r1, 304
; CHECK-PWR7-NEXT:    std r16, 336(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    addi r4, r1, 320
; CHECK-PWR7-NEXT:    std r17, 344(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r18, 352(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r19, 360(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r20, 368(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r21, 376(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r22, 384(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r23, 392(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r24, 400(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r25, 408(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r26, 416(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r27, 424(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r28, 432(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r29, 440(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r30, 448(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    stxvw4x v2, 0, r3
; CHECK-PWR7-NEXT:    lbz r3, 304(r1)
; CHECK-PWR7-NEXT:    stxvw4x v3, 0, r4
; CHECK-PWR7-NEXT:    lbz r4, 320(r1)
; CHECK-PWR7-NEXT:    lbz r5, 305(r1)
; CHECK-PWR7-NEXT:    lbz r6, 321(r1)
; CHECK-PWR7-NEXT:    lbz r7, 306(r1)
; CHECK-PWR7-NEXT:    lbz r8, 322(r1)
; CHECK-PWR7-NEXT:    lbz r9, 307(r1)
; CHECK-PWR7-NEXT:    sub r3, r3, r4
; CHECK-PWR7-NEXT:    lbz r10, 323(r1)
; CHECK-PWR7-NEXT:    lbz r11, 308(r1)
; CHECK-PWR7-NEXT:    sub r5, r5, r6
; CHECK-PWR7-NEXT:    lbz r12, 324(r1)
; CHECK-PWR7-NEXT:    lbz r0, 309(r1)
; CHECK-PWR7-NEXT:    sub r6, r7, r8
; CHECK-PWR7-NEXT:    lbz r30, 325(r1)
; CHECK-PWR7-NEXT:    lbz r29, 310(r1)
; CHECK-PWR7-NEXT:    sub r9, r9, r10
; CHECK-PWR7-NEXT:    lbz r28, 326(r1)
; CHECK-PWR7-NEXT:    lbz r23, 313(r1)
; CHECK-PWR7-NEXT:    sub r10, r11, r12
; CHECK-PWR7-NEXT:    lbz r22, 329(r1)
; CHECK-PWR7-NEXT:    lbz r4, 314(r1)
; CHECK-PWR7-NEXT:    sub r0, r0, r30
; CHECK-PWR7-NEXT:    lbz r21, 330(r1)
; CHECK-PWR7-NEXT:    lbz r7, 315(r1)
; CHECK-PWR7-NEXT:    sub r30, r29, r28
; CHECK-PWR7-NEXT:    srawi r20, r0, 31
; CHECK-PWR7-NEXT:    lbz r8, 331(r1)
; CHECK-PWR7-NEXT:    lbz r11, 316(r1)
; CHECK-PWR7-NEXT:    sub r23, r23, r22
; CHECK-PWR7-NEXT:    srawi r19, r30, 31
; CHECK-PWR7-NEXT:    lbz r12, 332(r1)
; CHECK-PWR7-NEXT:    lbz r29, 317(r1)
; CHECK-PWR7-NEXT:    sub r4, r4, r21
; CHECK-PWR7-NEXT:    add r0, r0, r20
; CHECK-PWR7-NEXT:    lbz r28, 333(r1)
; CHECK-PWR7-NEXT:    lbz r22, 319(r1)
; CHECK-PWR7-NEXT:    sub r7, r7, r8
; CHECK-PWR7-NEXT:    add r30, r30, r19
; CHECK-PWR7-NEXT:    lbz r21, 335(r1)
; CHECK-PWR7-NEXT:    lbz r27, 311(r1)
; CHECK-PWR7-NEXT:    sub r8, r11, r12
; CHECK-PWR7-NEXT:    xor r0, r0, r20
; CHECK-PWR7-NEXT:    lbz r26, 327(r1)
; CHECK-PWR7-NEXT:    lbz r25, 312(r1)
; CHECK-PWR7-NEXT:    sub r11, r29, r28
; CHECK-PWR7-NEXT:    srawi r28, r3, 31
; CHECK-PWR7-NEXT:    lbz r24, 328(r1)
; CHECK-PWR7-NEXT:    sub r29, r22, r21
; CHECK-PWR7-NEXT:    add r3, r3, r28
; CHECK-PWR7-NEXT:    xor r30, r30, r19
; CHECK-PWR7-NEXT:    sub r27, r27, r26
; CHECK-PWR7-NEXT:    srawi r17, r29, 31
; CHECK-PWR7-NEXT:    xor r3, r3, r28
; CHECK-PWR7-NEXT:    ld r20, 368(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    sub r26, r25, r24
; CHECK-PWR7-NEXT:    lbz r25, 318(r1)
; CHECK-PWR7-NEXT:    lbz r24, 334(r1)
; CHECK-PWR7-NEXT:    add r29, r29, r17
; CHECK-PWR7-NEXT:    xor r29, r29, r17
; CHECK-PWR7-NEXT:    srawi r18, r27, 31
; CHECK-PWR7-NEXT:    ld r19, 360(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    sub r12, r25, r24
; CHECK-PWR7-NEXT:    stb r29, 288(r1)
; CHECK-PWR7-NEXT:    add r28, r27, r18
; CHECK-PWR7-NEXT:    srawi r29, r12, 31
; CHECK-PWR7-NEXT:    srawi r16, r26, 31
; CHECK-PWR7-NEXT:    xor r28, r28, r18
; CHECK-PWR7-NEXT:    ld r18, 352(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    add r12, r12, r29
; CHECK-PWR7-NEXT:    add r27, r26, r16
; CHECK-PWR7-NEXT:    xor r12, r12, r29
; CHECK-PWR7-NEXT:    srawi r29, r7, 31
; CHECK-PWR7-NEXT:    xor r27, r27, r16
; CHECK-PWR7-NEXT:    ld r16, 336(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    srawi r26, r8, 31
; CHECK-PWR7-NEXT:    srawi r25, r5, 31
; CHECK-PWR7-NEXT:    add r7, r7, r29
; CHECK-PWR7-NEXT:    add r8, r8, r26
; CHECK-PWR7-NEXT:    srawi r24, r6, 31
; CHECK-PWR7-NEXT:    add r5, r5, r25
; CHECK-PWR7-NEXT:    xor r7, r7, r29
; CHECK-PWR7-NEXT:    srawi r22, r9, 31
; CHECK-PWR7-NEXT:    srawi r21, r10, 31
; CHECK-PWR7-NEXT:    xor r8, r8, r26
; CHECK-PWR7-NEXT:    xor r5, r5, r25
; CHECK-PWR7-NEXT:    srawi r17, r11, 31
; CHECK-PWR7-NEXT:    srawi r26, r23, 31
; CHECK-PWR7-NEXT:    add r6, r6, r24
; CHECK-PWR7-NEXT:    add r9, r9, r22
; CHECK-PWR7-NEXT:    srawi r29, r4, 31
; CHECK-PWR7-NEXT:    add r10, r10, r21
; CHECK-PWR7-NEXT:    add r11, r11, r17
; CHECK-PWR7-NEXT:    add r25, r23, r26
; CHECK-PWR7-NEXT:    add r4, r4, r29
; CHECK-PWR7-NEXT:    xor r6, r6, r24
; CHECK-PWR7-NEXT:    xor r9, r9, r22
; CHECK-PWR7-NEXT:    xor r10, r10, r21
; CHECK-PWR7-NEXT:    xor r11, r11, r17
; CHECK-PWR7-NEXT:    xor r4, r4, r29
; CHECK-PWR7-NEXT:    xor r26, r25, r26
; CHECK-PWR7-NEXT:    addi r29, r1, 224
; CHECK-PWR7-NEXT:    stb r12, 272(r1)
; CHECK-PWR7-NEXT:    addi r12, r1, 288
; CHECK-PWR7-NEXT:    addi r25, r1, 208
; CHECK-PWR7-NEXT:    stb r11, 256(r1)
; CHECK-PWR7-NEXT:    addi r11, r1, 272
; CHECK-PWR7-NEXT:    ld r24, 400(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    stb r8, 240(r1)
; CHECK-PWR7-NEXT:    stb r7, 224(r1)
; CHECK-PWR7-NEXT:    stb r4, 208(r1)
; CHECK-PWR7-NEXT:    stb r26, 192(r1)
; CHECK-PWR7-NEXT:    stb r27, 176(r1)
; CHECK-PWR7-NEXT:    stb r28, 160(r1)
; CHECK-PWR7-NEXT:    stb r30, 144(r1)
; CHECK-PWR7-NEXT:    stb r0, 128(r1)
; CHECK-PWR7-NEXT:    stb r10, 112(r1)
; CHECK-PWR7-NEXT:    stb r9, 96(r1)
; CHECK-PWR7-NEXT:    stb r6, 80(r1)
; CHECK-PWR7-NEXT:    stb r5, 64(r1)
; CHECK-PWR7-NEXT:    stb r3, 48(r1)
; CHECK-PWR7-NEXT:    addi r8, r1, 256
; CHECK-PWR7-NEXT:    addi r7, r1, 240
; CHECK-PWR7-NEXT:    lxvw4x v2, 0, r12
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r11
; CHECK-PWR7-NEXT:    addi r3, r1, 192
; CHECK-PWR7-NEXT:    addi r4, r1, 176
; CHECK-PWR7-NEXT:    addi r5, r1, 160
; CHECK-PWR7-NEXT:    addi r6, r1, 144
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r8
; CHECK-PWR7-NEXT:    lxvw4x v5, 0, r7
; CHECK-PWR7-NEXT:    lxvw4x v0, 0, r29
; CHECK-PWR7-NEXT:    lxvw4x v1, 0, r25
; CHECK-PWR7-NEXT:    addi r7, r1, 128
; CHECK-PWR7-NEXT:    addi r8, r1, 112
; CHECK-PWR7-NEXT:    lxvw4x v6, 0, r3
; CHECK-PWR7-NEXT:    lxvw4x v7, 0, r4
; CHECK-PWR7-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR7-NEXT:    addi r9, r1, 96
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r5
; CHECK-PWR7-NEXT:    lxvw4x v8, 0, r6
; CHECK-PWR7-NEXT:    addi r3, r1, 80
; CHECK-PWR7-NEXT:    addi r4, r1, 64
; CHECK-PWR7-NEXT:    addi r5, r1, 48
; CHECK-PWR7-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR7-NEXT:    lxvw4x v5, 0, r7
; CHECK-PWR7-NEXT:    lxvw4x v9, 0, r8
; CHECK-PWR7-NEXT:    vmrghb v0, v1, v0
; CHECK-PWR7-NEXT:    lxvw4x v1, 0, r9
; CHECK-PWR7-NEXT:    lxvw4x v10, 0, r3
; CHECK-PWR7-NEXT:    vmrghb v6, v7, v6
; CHECK-PWR7-NEXT:    lxvw4x v7, 0, r4
; CHECK-PWR7-NEXT:    ld r30, 448(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghb v3, v8, v3
; CHECK-PWR7-NEXT:    lxvw4x v8, 0, r5
; CHECK-PWR7-NEXT:    ld r29, 440(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghb v5, v9, v5
; CHECK-PWR7-NEXT:    ld r28, 432(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r27, 424(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghb v1, v10, v1
; CHECK-PWR7-NEXT:    ld r26, 416(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r25, 408(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghb v7, v8, v7
; CHECK-PWR7-NEXT:    ld r23, 392(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r22, 384(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghh v2, v4, v2
; CHECK-PWR7-NEXT:    ld r21, 376(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r17, 344(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghh v4, v6, v0
; CHECK-PWR7-NEXT:    vmrghh v3, v5, v3
; CHECK-PWR7-NEXT:    vmrghh v5, v7, v1
; CHECK-PWR7-NEXT:    vmrghw v2, v4, v2
; CHECK-PWR7-NEXT:    vmrghw v3, v5, v3
; CHECK-PWR7-NEXT:    xxmrghd v2, v3, v2
; CHECK-PWR7-NEXT:    addi r1, r1, 464
; CHECK-PWR7-NEXT:    blr
entry:
  %vecext = extractelement <16 x i8> %a, i32 0
  %conv = zext i8 %vecext to i32
  %vecext1 = extractelement <16 x i8> %b, i32 0
  %conv2 = zext i8 %vecext1 to i32
  %sub = sub nsw i32 %conv, %conv2
  %ispos = icmp sgt i32 %sub, -1
  %neg = sub nsw i32 0, %sub
  %0 = select i1 %ispos, i32 %sub, i32 %neg
  %conv3 = trunc i32 %0 to i8
  %vecins = insertelement <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, i8 %conv3, i32 0
  %vecext4 = extractelement <16 x i8> %a, i32 1
  %conv5 = zext i8 %vecext4 to i32
  %vecext6 = extractelement <16 x i8> %b, i32 1
  %conv7 = zext i8 %vecext6 to i32
  %sub8 = sub nsw i32 %conv5, %conv7
  %ispos171 = icmp sgt i32 %sub8, -1
  %neg172 = sub nsw i32 0, %sub8
  %1 = select i1 %ispos171, i32 %sub8, i32 %neg172
  %conv10 = trunc i32 %1 to i8
  %vecins11 = insertelement <16 x i8> %vecins, i8 %conv10, i32 1
  %vecext12 = extractelement <16 x i8> %a, i32 2
  %conv13 = zext i8 %vecext12 to i32
  %vecext14 = extractelement <16 x i8> %b, i32 2
  %conv15 = zext i8 %vecext14 to i32
  %sub16 = sub nsw i32 %conv13, %conv15
  %ispos173 = icmp sgt i32 %sub16, -1
  %neg174 = sub nsw i32 0, %sub16
  %2 = select i1 %ispos173, i32 %sub16, i32 %neg174
  %conv18 = trunc i32 %2 to i8
  %vecins19 = insertelement <16 x i8> %vecins11, i8 %conv18, i32 2
  %vecext20 = extractelement <16 x i8> %a, i32 3
  %conv21 = zext i8 %vecext20 to i32
  %vecext22 = extractelement <16 x i8> %b, i32 3
  %conv23 = zext i8 %vecext22 to i32
  %sub24 = sub nsw i32 %conv21, %conv23
  %ispos175 = icmp sgt i32 %sub24, -1
  %neg176 = sub nsw i32 0, %sub24
  %3 = select i1 %ispos175, i32 %sub24, i32 %neg176
  %conv26 = trunc i32 %3 to i8
  %vecins27 = insertelement <16 x i8> %vecins19, i8 %conv26, i32 3
  %vecext28 = extractelement <16 x i8> %a, i32 4
  %conv29 = zext i8 %vecext28 to i32
  %vecext30 = extractelement <16 x i8> %b, i32 4
  %conv31 = zext i8 %vecext30 to i32
  %sub32 = sub nsw i32 %conv29, %conv31
  %ispos177 = icmp sgt i32 %sub32, -1
  %neg178 = sub nsw i32 0, %sub32
  %4 = select i1 %ispos177, i32 %sub32, i32 %neg178
  %conv34 = trunc i32 %4 to i8
  %vecins35 = insertelement <16 x i8> %vecins27, i8 %conv34, i32 4
  %vecext36 = extractelement <16 x i8> %a, i32 5
  %conv37 = zext i8 %vecext36 to i32
  %vecext38 = extractelement <16 x i8> %b, i32 5
  %conv39 = zext i8 %vecext38 to i32
  %sub40 = sub nsw i32 %conv37, %conv39
  %ispos179 = icmp sgt i32 %sub40, -1
  %neg180 = sub nsw i32 0, %sub40
  %5 = select i1 %ispos179, i32 %sub40, i32 %neg180
  %conv42 = trunc i32 %5 to i8
  %vecins43 = insertelement <16 x i8> %vecins35, i8 %conv42, i32 5
  %vecext44 = extractelement <16 x i8> %a, i32 6
  %conv45 = zext i8 %vecext44 to i32
  %vecext46 = extractelement <16 x i8> %b, i32 6
  %conv47 = zext i8 %vecext46 to i32
  %sub48 = sub nsw i32 %conv45, %conv47
  %ispos181 = icmp sgt i32 %sub48, -1
  %neg182 = sub nsw i32 0, %sub48
  %6 = select i1 %ispos181, i32 %sub48, i32 %neg182
  %conv50 = trunc i32 %6 to i8
  %vecins51 = insertelement <16 x i8> %vecins43, i8 %conv50, i32 6
  %vecext52 = extractelement <16 x i8> %a, i32 7
  %conv53 = zext i8 %vecext52 to i32
  %vecext54 = extractelement <16 x i8> %b, i32 7
  %conv55 = zext i8 %vecext54 to i32
  %sub56 = sub nsw i32 %conv53, %conv55
  %ispos183 = icmp sgt i32 %sub56, -1
  %neg184 = sub nsw i32 0, %sub56
  %7 = select i1 %ispos183, i32 %sub56, i32 %neg184
  %conv58 = trunc i32 %7 to i8
  %vecins59 = insertelement <16 x i8> %vecins51, i8 %conv58, i32 7
  %vecext60 = extractelement <16 x i8> %a, i32 8
  %conv61 = zext i8 %vecext60 to i32
  %vecext62 = extractelement <16 x i8> %b, i32 8
  %conv63 = zext i8 %vecext62 to i32
  %sub64 = sub nsw i32 %conv61, %conv63
  %ispos185 = icmp sgt i32 %sub64, -1
  %neg186 = sub nsw i32 0, %sub64
  %8 = select i1 %ispos185, i32 %sub64, i32 %neg186
  %conv66 = trunc i32 %8 to i8
  %vecins67 = insertelement <16 x i8> %vecins59, i8 %conv66, i32 8
  %vecext68 = extractelement <16 x i8> %a, i32 9
  %conv69 = zext i8 %vecext68 to i32
  %vecext70 = extractelement <16 x i8> %b, i32 9
  %conv71 = zext i8 %vecext70 to i32
  %sub72 = sub nsw i32 %conv69, %conv71
  %ispos187 = icmp sgt i32 %sub72, -1
  %neg188 = sub nsw i32 0, %sub72
  %9 = select i1 %ispos187, i32 %sub72, i32 %neg188
  %conv74 = trunc i32 %9 to i8
  %vecins75 = insertelement <16 x i8> %vecins67, i8 %conv74, i32 9
  %vecext76 = extractelement <16 x i8> %a, i32 10
  %conv77 = zext i8 %vecext76 to i32
  %vecext78 = extractelement <16 x i8> %b, i32 10
  %conv79 = zext i8 %vecext78 to i32
  %sub80 = sub nsw i32 %conv77, %conv79
  %ispos189 = icmp sgt i32 %sub80, -1
  %neg190 = sub nsw i32 0, %sub80
  %10 = select i1 %ispos189, i32 %sub80, i32 %neg190
  %conv82 = trunc i32 %10 to i8
  %vecins83 = insertelement <16 x i8> %vecins75, i8 %conv82, i32 10
  %vecext84 = extractelement <16 x i8> %a, i32 11
  %conv85 = zext i8 %vecext84 to i32
  %vecext86 = extractelement <16 x i8> %b, i32 11
  %conv87 = zext i8 %vecext86 to i32
  %sub88 = sub nsw i32 %conv85, %conv87
  %ispos191 = icmp sgt i32 %sub88, -1
  %neg192 = sub nsw i32 0, %sub88
  %11 = select i1 %ispos191, i32 %sub88, i32 %neg192
  %conv90 = trunc i32 %11 to i8
  %vecins91 = insertelement <16 x i8> %vecins83, i8 %conv90, i32 11
  %vecext92 = extractelement <16 x i8> %a, i32 12
  %conv93 = zext i8 %vecext92 to i32
  %vecext94 = extractelement <16 x i8> %b, i32 12
  %conv95 = zext i8 %vecext94 to i32
  %sub96 = sub nsw i32 %conv93, %conv95
  %ispos193 = icmp sgt i32 %sub96, -1
  %neg194 = sub nsw i32 0, %sub96
  %12 = select i1 %ispos193, i32 %sub96, i32 %neg194
  %conv98 = trunc i32 %12 to i8
  %vecins99 = insertelement <16 x i8> %vecins91, i8 %conv98, i32 12
  %vecext100 = extractelement <16 x i8> %a, i32 13
  %conv101 = zext i8 %vecext100 to i32
  %vecext102 = extractelement <16 x i8> %b, i32 13
  %conv103 = zext i8 %vecext102 to i32
  %sub104 = sub nsw i32 %conv101, %conv103
  %ispos195 = icmp sgt i32 %sub104, -1
  %neg196 = sub nsw i32 0, %sub104
  %13 = select i1 %ispos195, i32 %sub104, i32 %neg196
  %conv106 = trunc i32 %13 to i8
  %vecins107 = insertelement <16 x i8> %vecins99, i8 %conv106, i32 13
  %vecext108 = extractelement <16 x i8> %a, i32 14
  %conv109 = zext i8 %vecext108 to i32
  %vecext110 = extractelement <16 x i8> %b, i32 14
  %conv111 = zext i8 %vecext110 to i32
  %sub112 = sub nsw i32 %conv109, %conv111
  %ispos197 = icmp sgt i32 %sub112, -1
  %neg198 = sub nsw i32 0, %sub112
  %14 = select i1 %ispos197, i32 %sub112, i32 %neg198
  %conv114 = trunc i32 %14 to i8
  %vecins115 = insertelement <16 x i8> %vecins107, i8 %conv114, i32 14
  %vecext116 = extractelement <16 x i8> %a, i32 15
  %conv117 = zext i8 %vecext116 to i32
  %vecext118 = extractelement <16 x i8> %b, i32 15
  %conv119 = zext i8 %vecext118 to i32
  %sub120 = sub nsw i32 %conv117, %conv119
  %ispos199 = icmp sgt i32 %sub120, -1
  %neg200 = sub nsw i32 0, %sub120
  %15 = select i1 %ispos199, i32 %sub120, i32 %neg200
  %conv122 = trunc i32 %15 to i8
  %vecins123 = insertelement <16 x i8> %vecins115, i8 %conv122, i32 15
  ret <16 x i8> %vecins123
}

define <4 x i32> @sub_absv_vec_32(<4 x i32> %a, <4 x i32> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_vec_32:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_vec_32:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v4, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %sub = sub <4 x i32> %a, %b
  %sub.i = sub <4 x i32> zeroinitializer, %sub
  %0 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %sub, <4 x i32> %sub.i)
  ret <4 x i32> %0
}

define <8 x i16> @sub_absv_vec_16(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_vec_16:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR9-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-NEXT:    vsubuhm v3, v3, v2
; CHECK-PWR9-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_vec_16:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR78-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v3, v4, v2
; CHECK-PWR78-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %sub = sub <8 x i16> %a, %b
  %sub.i = sub <8 x i16> zeroinitializer, %sub
  %0 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %sub, <8 x i16> %sub.i)
  ret <8 x i16> %0
}

define <16 x i8> @sub_absv_vec_8(<16 x i8> %a, <16 x i8> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_vec_8:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vsububm v2, v2, v3
; CHECK-PWR9-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-NEXT:    vsububm v3, v3, v2
; CHECK-PWR9-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_vec_8:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR78-NEXT:    vsububm v2, v2, v3
; CHECK-PWR78-NEXT:    vsububm v3, v4, v2
; CHECK-PWR78-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %sub = sub <16 x i8> %a, %b
  %sub.i = sub <16 x i8> zeroinitializer, %sub
  %0 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %sub, <16 x i8> %sub.i)
  ret <16 x i8> %0
}

define <4 x i32> @zext_sub_absd32(<4 x i16>, <4 x i16>) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: zext_sub_absd32:
; CHECK-PWR9-LE:       # %bb.0:
; CHECK-PWR9-LE-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR9-LE-NEXT:    vmrglh v2, v4, v2
; CHECK-PWR9-LE-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR9-LE-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: zext_sub_absd32:
; CHECK-PWR9-BE:       # %bb.0:
; CHECK-PWR9-BE-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR9-BE-NEXT:    vmrghh v2, v4, v2
; CHECK-PWR9-BE-NEXT:    vmrghh v3, v4, v3
; CHECK-PWR9-BE-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: zext_sub_absd32:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR8-NEXT:    vmrglh v2, v4, v2
; CHECK-PWR8-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR8-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR8-NEXT:    vsubuwm v3, v4, v2
; CHECK-PWR8-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: zext_sub_absd32:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    addis r3, r2, .LCPI13_0@toc@ha
; CHECK-PWR7-NEXT:    xxlxor v5, v5, v5
; CHECK-PWR7-NEXT:    addi r3, r3, .LCPI13_0@toc@l
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    vperm v2, v5, v2, v4
; CHECK-PWR7-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR7-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR7-NEXT:    vsubuwm v3, v5, v2
; CHECK-PWR7-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR7-NEXT:    blr
    %3 = zext <4 x i16> %0 to <4 x i32>
    %4 = zext <4 x i16> %1 to <4 x i32>
    %5 = sub <4 x i32> %3, %4
    %6 = sub <4 x i32> zeroinitializer, %5
    %7 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %5, <4 x i32> %6)
    ret <4 x i32> %7
}

define <8 x i16> @zext_sub_absd16(<8 x i8>, <8 x i8>) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: zext_sub_absd16:
; CHECK-PWR9-LE:       # %bb.0:
; CHECK-PWR9-LE-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR9-LE-NEXT:    vmrglb v2, v4, v2
; CHECK-PWR9-LE-NEXT:    vmrglb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: zext_sub_absd16:
; CHECK-PWR9-BE:       # %bb.0:
; CHECK-PWR9-BE-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR9-BE-NEXT:    vmrghb v2, v4, v2
; CHECK-PWR9-BE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-BE-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: zext_sub_absd16:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR8-NEXT:    vmrglb v2, v4, v2
; CHECK-PWR8-NEXT:    vmrglb v3, v4, v3
; CHECK-PWR8-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR8-NEXT:    vsubuhm v3, v4, v2
; CHECK-PWR8-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: zext_sub_absd16:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    addis r3, r2, .LCPI14_0@toc@ha
; CHECK-PWR7-NEXT:    xxlxor v5, v5, v5
; CHECK-PWR7-NEXT:    addi r3, r3, .LCPI14_0@toc@l
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    vperm v2, v5, v2, v4
; CHECK-PWR7-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR7-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR7-NEXT:    vsubuhm v3, v5, v2
; CHECK-PWR7-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR7-NEXT:    blr
    %3 = zext <8 x i8> %0 to <8 x i16>
    %4 = zext <8 x i8> %1 to <8 x i16>
    %5 = sub <8 x i16> %3, %4
    %6 = sub <8 x i16> zeroinitializer, %5
    %7 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %5, <8 x i16> %6)
    ret <8 x i16> %7
}

define <16 x i8> @zext_sub_absd8(<16 x i4>, <16 x i4>) local_unnamed_addr {
; CHECK-PWR9-LABEL: zext_sub_absd8:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xxspltib vs0, 15
; CHECK-PWR9-NEXT:    xxland v2, v2, vs0
; CHECK-PWR9-NEXT:    xxland v3, v3, vs0
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: zext_sub_absd8:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vspltisb v4, 15
; CHECK-PWR78-NEXT:    xxland v2, v2, v4
; CHECK-PWR78-NEXT:    xxland v3, v3, v4
; CHECK-PWR78-NEXT:    vsububm v2, v2, v3
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsububm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR78-NEXT:    blr
    %3 = zext <16 x i4> %0 to <16 x i8>
    %4 = zext <16 x i4> %1 to <16 x i8>
    %5 = sub <16 x i8> %3, %4
    %6 = sub <16 x i8> zeroinitializer, %5
    %7 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %5, <16 x i8> %6)
    ret <16 x i8> %7
}

; To verify vabsdu* exploitation for ucmp + sub + select sequence

define <4 x i32> @absd_int32_ugt(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ugt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuw v4, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %4, <4 x i32> %5
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_uge(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_uge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_uge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuw v4, v3, v2
; CHECK-PWR78-NEXT:    xxlnor vs0, v4, v4
; CHECK-PWR78-NEXT:    vsubuwm v4, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v2, v4, vs0
; CHECK-PWR78-NEXT:    blr
  %3 = icmp uge <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %4, <4 x i32> %5
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_ult(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ult:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ult:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuw v4, v3, v2
; CHECK-PWR78-NEXT:    vsubuwm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ult <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_ule(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ule:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ule:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuw v4, v2, v3
; CHECK-PWR78-NEXT:    xxlnor vs0, v4, v4
; CHECK-PWR78-NEXT:    vsubuwm v4, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v4, v2, vs0
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ule <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <8 x i16> @absd_int16_ugt(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_ugt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuh v4, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %4, <8 x i16> %5
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_uge(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_uge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_uge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuh v4, v3, v2
; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp uge <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %4, <8 x i16> %5
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_ult(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_ult:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_ult:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuh v4, v3, v2
; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ult <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %5, <8 x i16> %4
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_ule(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_ule:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_ule:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuh v4, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ule <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %5, <8 x i16> %4
  ret <8 x i16> %6
}

define <16 x i8> @absd_int8_ugt(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_ugt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtub v4, v2, v3
; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %4, <16 x i8> %5
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_uge(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_uge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_uge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtub v4, v3, v2
; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp uge <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %4, <16 x i8> %5
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_ult(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_ult:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_ult:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtub v4, v3, v2
; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ult <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %5, <16 x i8> %4
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_ule(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_ule:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_ule:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtub v4, v2, v3
; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ule <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %5, <16 x i8> %4
  ret <16 x i8> %6
}

; some cases we are unable to optimize
; check whether goes beyond the scope
define <4 x i32> @absd_int32_ugt_opp(<4 x i32>, <4 x i32>) {
; CHECK-LABEL: absd_int32_ugt_opp:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vcmpgtuw v4, v2, v3
; CHECK-NEXT:    vsubuwm v5, v2, v3
; CHECK-NEXT:    vsubuwm v2, v3, v2
; CHECK-NEXT:    xxsel v2, v5, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp ugt <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <2 x i64> @absd_int64_ugt(<2 x i64>, <2 x i64>) {
; CHECK-PWR9-LABEL: absd_int64_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vcmpgtud v4, v2, v3
; CHECK-PWR9-NEXT:    vsubudm v5, v2, v3
; CHECK-PWR9-NEXT:    vsubudm v2, v3, v2
; CHECK-PWR9-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR8-LABEL: absd_int64_ugt:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    vcmpgtud v4, v2, v3
; CHECK-PWR8-NEXT:    vsubudm v5, v2, v3
; CHECK-PWR8-NEXT:    vsubudm v2, v3, v2
; CHECK-PWR8-NEXT:    xxsel v2, v2, v5, v4
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: absd_int64_ugt:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    addi r3, r1, -64
; CHECK-PWR7-NEXT:    addi r4, r1, -80
; CHECK-PWR7-NEXT:    li r5, 0
; CHECK-PWR7-NEXT:    li r6, -1
; CHECK-PWR7-NEXT:    stxvd2x v3, 0, r3
; CHECK-PWR7-NEXT:    stxvd2x v2, 0, r4
; CHECK-PWR7-NEXT:    ld r3, -56(r1)
; CHECK-PWR7-NEXT:    ld r4, -72(r1)
; CHECK-PWR7-NEXT:    ld r8, -80(r1)
; CHECK-PWR7-NEXT:    cmpld r4, r3
; CHECK-PWR7-NEXT:    sub r9, r4, r3
; CHECK-PWR7-NEXT:    iselgt r7, r6, r5
; CHECK-PWR7-NEXT:    sub r3, r3, r4
; CHECK-PWR7-NEXT:    std r7, -8(r1)
; CHECK-PWR7-NEXT:    ld r7, -64(r1)
; CHECK-PWR7-NEXT:    cmpld r8, r7
; CHECK-PWR7-NEXT:    iselgt r4, r6, r5
; CHECK-PWR7-NEXT:    addi r5, r1, -16
; CHECK-PWR7-NEXT:    std r4, -16(r1)
; CHECK-PWR7-NEXT:    sub r4, r8, r7
; CHECK-PWR7-NEXT:    lxvd2x v2, 0, r5
; CHECK-PWR7-NEXT:    std r9, -40(r1)
; CHECK-PWR7-NEXT:    addi r5, r1, -48
; CHECK-PWR7-NEXT:    std r4, -48(r1)
; CHECK-PWR7-NEXT:    sub r4, r7, r8
; CHECK-PWR7-NEXT:    lxvd2x v3, 0, r5
; CHECK-PWR7-NEXT:    std r3, -24(r1)
; CHECK-PWR7-NEXT:    addi r3, r1, -32
; CHECK-PWR7-NEXT:    std r4, -32(r1)
; CHECK-PWR7-NEXT:    lxvd2x v4, 0, r3
; CHECK-PWR7-NEXT:    xxsel v2, v4, v3, v2
; CHECK-PWR7-NEXT:    blr
  %3 = icmp ugt <2 x i64> %0, %1
  %4 = sub <2 x i64> %0, %1
  %5 = sub <2 x i64> %1, %0
  %6 = select <2 x i1> %3, <2 x i64> %4, <2 x i64> %5
  ret <2 x i64> %6
}

declare <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32>, <4 x i32>)

declare <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16>, <8 x i16>)

declare <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8>, <16 x i8>)