/
getelementptr.ll
1240 lines (1090 loc) · 44 KB
/
getelementptr.ll
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32-p3:64:64:64"
%intstruct = type { i32 }
%pair = type { i32, i32 }
%struct.B = type { double }
%struct.A = type { %struct.B, i32, i32 }
%struct.C = type { [7 x i8] }
@Global = external global [10 x i8]
@Global_as1 = external addrspace(1) global [10 x i8]
; Test noop elimination
define i32* @test1(i32* %I) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: ret i32* [[I:%.*]]
;
%A = getelementptr i32, i32* %I, i64 0
ret i32* %A
}
define i32 addrspace(1)* @test1_as1(i32 addrspace(1)* %I) {
; CHECK-LABEL: @test1_as1(
; CHECK-NEXT: ret i32 addrspace(1)* [[I:%.*]]
;
%A = getelementptr i32, i32 addrspace(1)* %I, i64 0
ret i32 addrspace(1)* %A
}
; Test noop elimination
define i32* @test2(i32* %I) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: ret i32* [[I:%.*]]
;
%A = getelementptr i32, i32* %I
ret i32* %A
}
; Test that two array indexing geps fold
define i32* @test3(i32* %I) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 21
; CHECK-NEXT: ret i32* [[B]]
;
%A = getelementptr i32, i32* %I, i64 17
%B = getelementptr i32, i32* %A, i64 4
ret i32* %B
}
; Test that two getelementptr insts fold
define i32* @test4({ i32 }* %I) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[B:%.*]] = getelementptr { i32 }, { i32 }* [[I:%.*]], i64 1, i32 0
; CHECK-NEXT: ret i32* [[B]]
;
%A = getelementptr { i32 }, { i32 }* %I, i64 1
%B = getelementptr { i32 }, { i32 }* %A, i64 0, i32 0
ret i32* %B
}
define void @test5(i8 %B) {
; This should be turned into a constexpr instead of being an instruction
; CHECK-LABEL: @test5(
; CHECK-NEXT: store i8 [[B:%.*]], i8* getelementptr inbounds ([10 x i8], [10 x i8]* @Global, i64 0, i64 4), align 1
; CHECK-NEXT: ret void
;
%A = getelementptr [10 x i8], [10 x i8]* @Global, i64 0, i64 4
store i8 %B, i8* %A
ret void
}
define void @test5_as1(i8 %B) {
; This should be turned into a constexpr instead of being an instruction
; CHECK-LABEL: @test5_as1(
; CHECK-NEXT: store i8 [[B:%.*]], i8 addrspace(1)* getelementptr inbounds ([10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4), align 1
; CHECK-NEXT: ret void
;
%A = getelementptr [10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4
store i8 %B, i8 addrspace(1)* %A
ret void
}
%as1_ptr_struct = type { i32 addrspace(1)* }
%as2_ptr_struct = type { i32 addrspace(2)* }
@global_as2 = addrspace(2) global i32 zeroinitializer
@global_as1_as2_ptr = addrspace(1) global %as2_ptr_struct { i32 addrspace(2)* @global_as2 }
; This should be turned into a constexpr instead of being an instruction
define void @test_evaluate_gep_nested_as_ptrs(i32 addrspace(2)* %B) {
; CHECK-LABEL: @test_evaluate_gep_nested_as_ptrs(
; CHECK-NEXT: store i32 addrspace(2)* [[B:%.*]], i32 addrspace(2)* addrspace(1)* getelementptr inbounds (%as2_ptr_struct, [[AS2_PTR_STRUCT:%.*]] addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0), align 8
; CHECK-NEXT: ret void
;
%A = getelementptr %as2_ptr_struct, %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0
store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* %A
ret void
}
@arst = addrspace(1) global [4 x i8 addrspace(2)*] zeroinitializer
define void @test_evaluate_gep_as_ptrs_array(i8 addrspace(2)* %B) {
; CHECK-LABEL: @test_evaluate_gep_as_ptrs_array(
; CHECK-NEXT: store i8 addrspace(2)* [[B:%.*]], i8 addrspace(2)* addrspace(1)* getelementptr inbounds ([4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2), align 4
; CHECK-NEXT: ret void
;
%A = getelementptr [4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2
store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* %A
ret void
}
define i32* @test7(i32* %I, i64 %C, i64 %D) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[A:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[C:%.*]]
; CHECK-NEXT: [[B:%.*]] = getelementptr i32, i32* [[A]], i64 [[D:%.*]]
; CHECK-NEXT: ret i32* [[B]]
;
%A = getelementptr i32, i32* %I, i64 %C
%B = getelementptr i32, i32* %A, i64 %D
ret i32* %B
}
define i8* @test8([10 x i32]* %X) {
;; Fold into the cast.
; CHECK-LABEL: @test8(
; CHECK-NEXT: [[B:%.*]] = bitcast [10 x i32]* [[X:%.*]] to i8*
; CHECK-NEXT: ret i8* [[B]]
;
%A = getelementptr [10 x i32], [10 x i32]* %X, i64 0, i64 0
%B = bitcast i32* %A to i8*
ret i8* %B
}
define i32 @test9() {
; CHECK-LABEL: @test9(
; CHECK-NEXT: ret i32 8
;
%A = getelementptr { i32, double }, { i32, double }* null, i32 0, i32 1
%B = ptrtoint double* %A to i32
ret i32 %B
}
define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
; CHECK-LABEL: @test10(
; CHECK-NEXT: [[TMP_4:%.*]] = icmp eq { i32, i32 }* [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: ret i1 [[TMP_4]]
;
%tmp.1 = getelementptr { i32, i32 }, { i32, i32 }* %x, i32 0, i32 1
%tmp.3 = getelementptr { i32, i32 }, { i32, i32 }* %y, i32 0, i32 1
;; seteq x, y
%tmp.4 = icmp eq i32* %tmp.1, %tmp.3
ret i1 %tmp.4
}
define i1 @test11({ i32, i32 }* %X) {
; CHECK-LABEL: @test11(
; CHECK-NEXT: [[Q:%.*]] = icmp eq { i32, i32 }* [[X:%.*]], null
; CHECK-NEXT: ret i1 [[Q]]
;
%P = getelementptr { i32, i32 }, { i32, i32 }* %X, i32 0, i32 0
%Q = icmp eq i32* %P, null
ret i1 %Q
}
; PR4748
define i32 @test12(%struct.A* %a) {
; CHECK-LABEL: @test12(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[G3:%.*]] = getelementptr [[STRUCT_A:%.*]], %struct.A* [[A:%.*]], i64 0, i32 1
; CHECK-NEXT: store i32 10, i32* [[G3]], align 4
; CHECK-NEXT: ret i32 10
;
entry:
%g3 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 1
store i32 10, i32* %g3, align 4
%g4 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 0
%new_a = bitcast %struct.B* %g4 to %struct.A*
%g5 = getelementptr %struct.A, %struct.A* %new_a, i32 0, i32 1
%a_a = load i32, i32* %g5, align 4
ret i32 %a_a
}
; PR2235
%S = type { i32, [ 100 x i32] }
define i1 @test13(i64 %X, %S* %P) {
; CHECK-LABEL: @test13(
; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[X:%.*]], -1
; CHECK-NEXT: ret i1 [[C]]
;
%A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i64 %X
%B = getelementptr inbounds %S, %S* %P, i32 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
}
define <2 x i1> @test13_vector(<2 x i64> %X, <2 x %S*> %P) nounwind {
; CHECK-LABEL: @test13_vector(
; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i64> [[X:%.*]], <i64 -1, i64 -1>
; CHECK-NEXT: ret <2 x i1> [[C]]
;
%A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, <2 x i64> %X
%B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
%C = icmp eq <2 x i32*> %A, %B
ret <2 x i1> %C
}
define <2 x i1> @test13_vector2(i64 %X, <2 x %S*> %P) nounwind {
; CHECK-LABEL: @test13_vector2(
; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i64> undef, i64 [[X:%.*]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i64> [[DOTSPLATINSERT]], <i64 2, i64 undef>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i64> [[TMP1]], <i64 -4, i64 undef>
; CHECK-NEXT: [[C:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[C]]
;
%A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, i64 %X
%B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
%C = icmp eq <2 x i32*> %A, %B
ret <2 x i1> %C
}
; This is a test of icmp + shl nuw in disguise - 4611... is 0x3fff...
define <2 x i1> @test13_vector3(i64 %X, <2 x %S*> %P) nounwind {
; CHECK-LABEL: @test13_vector3(
; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i64> undef, i64 [[X:%.*]], i32 0
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i64> [[DOTSPLATINSERT]], <i64 2, i64 undef>
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i64> [[TMP1]], <i64 4, i64 undef>
; CHECK-NEXT: [[C:%.*]] = shufflevector <2 x i1> [[TMP2]], <2 x i1> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[C]]
;
%A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, i64 %X
%B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 1, i32 1>, i64 1
%C = icmp eq <2 x i32*> %A, %B
ret <2 x i1> %C
}
define i1 @test13_as1(i16 %X, %S addrspace(1)* %P) {
; CHECK-LABEL: @test13_as1(
; CHECK-NEXT: [[C:%.*]] = icmp eq i16 [[X:%.*]], -1
; CHECK-NEXT: ret i1 [[C]]
;
%A = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 1, i16 %X
%B = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 0
%C = icmp eq i32 addrspace(1)* %A, %B
ret i1 %C
}
define <2 x i1> @test13_vector_as1(<2 x i16> %X, <2 x %S addrspace(1)*> %P) {
; CHECK-LABEL: @test13_vector_as1(
; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i16> [[X:%.*]], <i16 -1, i16 -1>
; CHECK-NEXT: ret <2 x i1> [[C]]
;
%A = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 1, i32 1>, <2 x i16> %X
%B = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 0, i32 0>
%C = icmp eq <2 x i32 addrspace(1)*> %A, %B
ret <2 x i1> %C
}
define i1 @test13_i32(i32 %X, %S* %P) {
; CHECK-LABEL: @test13_i32(
; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[X:%.*]], -1
; CHECK-NEXT: ret i1 [[C]]
;
%A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i32 %X
%B = getelementptr inbounds %S, %S* %P, i32 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
}
define i1 @test13_i16(i16 %X, %S* %P) {
; CHECK-LABEL: @test13_i16(
; CHECK-NEXT: [[C:%.*]] = icmp eq i16 [[X:%.*]], -1
; CHECK-NEXT: ret i1 [[C]]
;
%A = getelementptr inbounds %S, %S* %P, i16 0, i32 1, i16 %X
%B = getelementptr inbounds %S, %S* %P, i16 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
}
define i1 @test13_i128(i128 %X, %S* %P) {
; CHECK-LABEL: @test13_i128(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i128 [[X:%.*]] to i64
; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[TMP1]], -1
; CHECK-NEXT: ret i1 [[C]]
;
%A = getelementptr inbounds %S, %S* %P, i128 0, i32 1, i128 %X
%B = getelementptr inbounds %S, %S* %P, i128 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
}
@G = external global [3 x i8]
define i8* @test14(i32 %idx) {
; CHECK-LABEL: @test14(
; CHECK-NEXT: [[ZEXT:%.*]] = zext i32 [[IDX:%.*]] to i64
; CHECK-NEXT: [[TMP:%.*]] = getelementptr [3 x i8], [3 x i8]* @G, i64 0, i64 [[ZEXT]]
; CHECK-NEXT: ret i8* [[TMP]]
;
%zext = zext i32 %idx to i64
%tmp = getelementptr i8, i8* getelementptr ([3 x i8], [3 x i8]* @G, i32 0, i32 0), i64 %zext
ret i8* %tmp
}
; Test folding of constantexpr geps into normal geps.
@Array = external global [40 x i32]
define i32 *@test15(i64 %X) {
; CHECK-LABEL: @test15(
; CHECK-NEXT: [[A:%.*]] = getelementptr [40 x i32], [40 x i32]* @Array, i64 0, i64 [[X:%.*]]
; CHECK-NEXT: ret i32* [[A]]
;
%A = getelementptr i32, i32* getelementptr ([40 x i32], [40 x i32]* @Array, i64 0, i64 0), i64 %X
ret i32* %A
}
define i32* @test16(i32* %X, i32 %Idx) {
; CHECK-LABEL: @test16(
; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[IDX:%.*]] to i64
; CHECK-NEXT: [[R:%.*]] = getelementptr i32, i32* [[X:%.*]], i64 [[TMP1]]
; CHECK-NEXT: ret i32* [[R]]
;
%R = getelementptr i32, i32* %X, i32 %Idx
ret i32* %R
}
define i1 @test17(i16* %P, i32 %I, i32 %J) {
; CHECK-LABEL: @test17(
; CHECK-NEXT: [[C:%.*]] = icmp slt i32 [[I:%.*]], [[J:%.*]]
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16* %P, i32 %I
%Y = getelementptr inbounds i16, i16* %P, i32 %J
%C = icmp ult i16* %X, %Y
ret i1 %C
}
define i1 @test18(i16* %P, i32 %I) {
; CHECK-LABEL: @test18(
; CHECK-NEXT: [[C:%.*]] = icmp slt i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16* %P, i32 %I
%C = icmp ult i16* %X, %P
ret i1 %C
}
; Larger than the pointer size for a non-zero address space
define i1 @test18_as1(i16 addrspace(1)* %P, i32 %I) {
; CHECK-LABEL: @test18_as1(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[I:%.*]] to i16
; CHECK-NEXT: [[C:%.*]] = icmp slt i16 [[TMP1]], 0
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I
%C = icmp ult i16 addrspace(1)* %X, %P
ret i1 %C
}
; Smaller than the pointer size for a non-zero address space
define i1 @test18_as1_i32(i16 addrspace(1)* %P, i32 %I) {
; CHECK-LABEL: @test18_as1_i32(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[I:%.*]] to i16
; CHECK-NEXT: [[C:%.*]] = icmp slt i16 [[TMP1]], 0
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I
%C = icmp ult i16 addrspace(1)* %X, %P
ret i1 %C
}
; Smaller than pointer size
define i1 @test18_i16(i16* %P, i16 %I) {
; CHECK-LABEL: @test18_i16(
; CHECK-NEXT: [[C:%.*]] = icmp slt i16 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16* %P, i16 %I
%C = icmp ult i16* %X, %P
ret i1 %C
}
; Same as pointer size
define i1 @test18_i64(i16* %P, i64 %I) {
; CHECK-LABEL: @test18_i64(
; CHECK-NEXT: [[C:%.*]] = icmp slt i64 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16* %P, i64 %I
%C = icmp ult i16* %X, %P
ret i1 %C
}
; Larger than the pointer size
define i1 @test18_i128(i16* %P, i128 %I) {
; CHECK-LABEL: @test18_i128(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i128 [[I:%.*]] to i64
; CHECK-NEXT: [[C:%.*]] = icmp slt i64 [[TMP1]], 0
; CHECK-NEXT: ret i1 [[C]]
;
%X = getelementptr inbounds i16, i16* %P, i128 %I
%C = icmp ult i16* %X, %P
ret i1 %C
}
define i32 @test19(i32* %P, i32 %A, i32 %B) {
; CHECK-LABEL: @test19(
; CHECK-NEXT: [[TMP_10:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP_11:%.*]] = zext i1 [[TMP_10]] to i32
; CHECK-NEXT: ret i32 [[TMP_11]]
;
%tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A
%tmp.9 = getelementptr inbounds i32, i32* %P, i32 %B
%tmp.10 = icmp eq i32* %tmp.4, %tmp.9
%tmp.11 = zext i1 %tmp.10 to i32
ret i32 %tmp.11
}
define i32 @test20(i32* %P, i32 %A, i32 %B) {
; CHECK-LABEL: @test20(
; CHECK-NEXT: [[TMP_6:%.*]] = icmp eq i32 [[A:%.*]], 0
; CHECK-NEXT: [[TMP_7:%.*]] = zext i1 [[TMP_6]] to i32
; CHECK-NEXT: ret i32 [[TMP_7]]
;
%tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A
%tmp.6 = icmp eq i32* %tmp.4, %P
%tmp.7 = zext i1 %tmp.6 to i32
ret i32 %tmp.7
}
define i32 @test20_as1(i32 addrspace(1)* %P, i32 %A, i32 %B) {
; CHECK-LABEL: @test20_as1(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[A:%.*]] to i16
; CHECK-NEXT: [[TMP_6:%.*]] = icmp eq i16 [[TMP1]], 0
; CHECK-NEXT: [[TMP_7:%.*]] = zext i1 [[TMP_6]] to i32
; CHECK-NEXT: ret i32 [[TMP_7]]
;
%tmp.4 = getelementptr inbounds i32, i32 addrspace(1)* %P, i32 %A
%tmp.6 = icmp eq i32 addrspace(1)* %tmp.4, %P
%tmp.7 = zext i1 %tmp.6 to i32
ret i32 %tmp.7
}
define i32 @test21() {
; CHECK-LABEL: @test21(
; CHECK-NEXT: [[PBOB1:%.*]] = alloca [[INTSTRUCT:%.*]], align 8
; CHECK-NEXT: [[PBOBEL:%.*]] = getelementptr inbounds [[INTSTRUCT]], %intstruct* [[PBOB1]], i64 0, i32 0
; CHECK-NEXT: [[RVAL:%.*]] = load i32, i32* [[PBOBEL]], align 8
; CHECK-NEXT: ret i32 [[RVAL]]
;
%pbob1 = alloca %intstruct
%pbob2 = getelementptr %intstruct, %intstruct* %pbob1
%pbobel = getelementptr %intstruct, %intstruct* %pbob2, i64 0, i32 0
%rval = load i32, i32* %pbobel
ret i32 %rval
}
@A = global i32 1 ; <i32*> [#uses=1]
@B = global i32 2 ; <i32*> [#uses=1]
define i1 @test22() {
; CHECK-LABEL: @test22(
; CHECK-NEXT: ret i1 icmp ult (i32* getelementptr inbounds (i32, i32* @A, i64 1), i32* getelementptr (i32, i32* @B, i64 2))
;
%C = icmp ult i32* getelementptr (i32, i32* @A, i64 1),
getelementptr (i32, i32* @B, i64 2)
ret i1 %C
}
%X = type { [10 x i32], float }
define i1 @test23() {
; CHECK-LABEL: @test23(
; CHECK-NEXT: ret i1 false
;
%A = getelementptr %X, %X* null, i64 0, i32 0, i64 0 ; <i32*> [#uses=1]
%B = icmp ne i32* %A, null ; <i1> [#uses=1]
ret i1 %B
}
define void @test25() {
; CHECK-LABEL: @test25(
; CHECK-NEXT: entry:
; CHECK-NEXT: store i64 undef, i64* null, align 536870912
; CHECK-NEXT: tail call void @foo25(i32 0, i64 0)
; CHECK-NEXT: unreachable
;
entry:
%tmp = getelementptr { i64, i64, i64, i64 }, { i64, i64, i64, i64 }* null, i32 0, i32 3 ; <i64*> [#uses=1]
%tmp.upgrd.1 = load i64, i64* %tmp ; <i64> [#uses=1]
%tmp8.ui = load i64, i64* null ; <i64> [#uses=1]
%tmp8 = bitcast i64 %tmp8.ui to i64 ; <i64> [#uses=1]
%tmp9 = and i64 %tmp8, %tmp.upgrd.1 ; <i64> [#uses=1]
%sext = trunc i64 %tmp9 to i32 ; <i32> [#uses=1]
%tmp27.i = sext i32 %sext to i64 ; <i64> [#uses=1]
tail call void @foo25( i32 0, i64 %tmp27.i )
unreachable
}
declare void @foo25(i32, i64)
; PR1637
define i1 @test26(i8* %arr) {
; CHECK-LABEL: @test26(
; CHECK-NEXT: ret i1 true
;
%X = getelementptr i8, i8* %arr, i32 1
%Y = getelementptr i8, i8* %arr, i32 1
%test = icmp uge i8* %X, %Y
ret i1 %test
}
%struct.__large_struct = type { [100 x i64] }
%struct.compat_siginfo = type { i32, i32, i32, { [29 x i32] } }
%struct.siginfo_t = type { i32, i32, i32, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] } }
%struct.sigval_t = type { i8* }
define i32 @test27(%struct.compat_siginfo* %to, %struct.siginfo_t* %from) {
; CHECK-LABEL: @test27(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[FROM_ADDR:%.*]] = alloca %struct.siginfo_t*, align 8
; CHECK-NEXT: [[TMP344:%.*]] = load %struct.siginfo_t*, %struct.siginfo_t** [[FROM_ADDR]], align 8
; CHECK-NEXT: [[TMP349:%.*]] = getelementptr [[STRUCT_SIGINFO_T:%.*]], %struct.siginfo_t* [[TMP344]], i64 0, i32 3, i32 0, i32 3, i32 0
; CHECK-NEXT: [[TMP349350:%.*]] = bitcast i8** [[TMP349]] to i32*
; CHECK-NEXT: [[TMP351:%.*]] = load i32, i32* [[TMP349350]], align 8
; CHECK-NEXT: [[TMP360:%.*]] = call i32 asm sideeffect "...", "=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"(i32 [[TMP351]], %struct.__large_struct* null, i32 -14, i32 0) #0
; CHECK-NEXT: unreachable
;
entry:
%from_addr = alloca %struct.siginfo_t*
%tmp344 = load %struct.siginfo_t*, %struct.siginfo_t** %from_addr, align 8
%tmp345 = getelementptr %struct.siginfo_t, %struct.siginfo_t* %tmp344, i32 0, i32 3
%tmp346 = getelementptr { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }* %tmp345, i32 0, i32 0
%tmp346347 = bitcast { i32, i32, [0 x i8], %struct.sigval_t, i32 }* %tmp346 to { i32, i32, %struct.sigval_t }*
%tmp348 = getelementptr { i32, i32, %struct.sigval_t }, { i32, i32, %struct.sigval_t }* %tmp346347, i32 0, i32 2
%tmp349 = getelementptr %struct.sigval_t, %struct.sigval_t* %tmp348, i32 0, i32 0
%tmp349350 = bitcast i8** %tmp349 to i32*
%tmp351 = load i32, i32* %tmp349350, align 8
%tmp360 = call i32 asm sideeffect "...",
"=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"( i32 %tmp351,
%struct.__large_struct* null, i32 -14, i32 0 )
unreachable
}
; PR1978
%struct.x = type <{ i8 }>
@.str = internal constant [6 x i8] c"Main!\00"
@.str1 = internal constant [12 x i8] c"destroy %p\0A\00"
define i32 @test28() nounwind {
; CHECK-LABEL: @test28(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ORIENTATIONS:%.*]] = alloca [1 x [1 x %struct.x]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = call i32 @puts(i8* nonnull dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0)) #0
; CHECK-NEXT: br label [[BB10:%.*]]
; CHECK: bb10:
; CHECK-NEXT: [[INDVAR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[BB10]] ]
; CHECK-NEXT: [[TMP12_REC:%.*]] = xor i32 [[INDVAR]], -1
; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[TMP12_REC]] to i64
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* [[ORIENTATIONS]], i64 1, i64 0, i64 [[TMP0]]
; CHECK-NEXT: [[TMP16:%.*]] = call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str1, i64 0, i64 0), %struct.x* nonnull [[TMP12]]) #0
; CHECK-NEXT: [[TMP84:%.*]] = icmp eq i32 [[INDVAR]], 0
; CHECK-NEXT: [[INDVAR_NEXT]] = add i32 [[INDVAR]], 1
; CHECK-NEXT: br i1 [[TMP84]], label [[BB17:%.*]], label [[BB10]]
; CHECK: bb17:
; CHECK-NEXT: ret i32 0
;
entry:
%orientations = alloca [1 x [1 x %struct.x]]
%tmp3 = call i32 @puts( i8* getelementptr ([6 x i8], [6 x i8]* @.str, i32 0, i32 0) ) nounwind
%tmp45 = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 1, i32 0, i32 0
%orientations62 = getelementptr [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 0, i32 0, i32 0
br label %bb10
bb10:
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb10 ]
%tmp.0.reg2mem.0.rec = mul i32 %indvar, -1
%tmp12.rec = add i32 %tmp.0.reg2mem.0.rec, -1
%tmp12 = getelementptr inbounds %struct.x, %struct.x* %tmp45, i32 %tmp12.rec
%tmp16 = call i32 (i8*, ...) @printf( i8* nonnull dereferenceable(1) getelementptr ([12 x i8], [12 x i8]* @.str1, i32 0, i32 0), %struct.x* %tmp12 ) nounwind
%tmp84 = icmp eq %struct.x* %tmp12, %orientations62
%indvar.next = add i32 %indvar, 1
br i1 %tmp84, label %bb17, label %bb10
bb17:
ret i32 0
}
declare i32 @puts(i8*)
declare i32 @printf(i8*, ...)
; rdar://6762290
%T = type <{ i64, i64, i64 }>
define i32 @test29(i8* %start, i32 %X) nounwind {
; CHECK-LABEL: @test29(
; CHECK-NEXT: entry:
; CHECK-NEXT: store i64 undef, i64* null, align 536870912
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr i8, i8* [[START:%.*]], i64 undef
; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[X:%.*]] to i64
; CHECK-NEXT: [[ADD_PTR212:%.*]] = getelementptr i8, i8* [[START]], i64 [[TMP0]]
; CHECK-NEXT: [[CMP214:%.*]] = icmp ugt i8* [[ADD_PTR212]], [[ADD_PTR]]
; CHECK-NEXT: br i1 [[CMP214]], label [[IF_THEN216:%.*]], label [[IF_END363:%.*]]
; CHECK: if.then216:
; CHECK-NEXT: ret i32 1
; CHECK: if.end363:
; CHECK-NEXT: ret i32 0
;
entry:
%tmp3 = load i64, i64* null
%add.ptr = getelementptr i8, i8* %start, i64 %tmp3
%tmp158 = load i32, i32* null
%add.ptr159 = getelementptr %T, %T* null, i32 %tmp158
%add.ptr209 = getelementptr i8, i8* %start, i64 0
%add.ptr212 = getelementptr i8, i8* %add.ptr209, i32 %X
%cmp214 = icmp ugt i8* %add.ptr212, %add.ptr
br i1 %cmp214, label %if.then216, label %if.end363
if.then216:
ret i32 1
if.end363:
ret i32 0
}
; PR3694
define i32 @test30(i32 %m, i32 %n) nounwind {
; CHECK-LABEL: @test30(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[N:%.*]] to i64
; CHECK-NEXT: [[TMP1:%.*]] = alloca i32, i64 [[TMP0]], align 4
; CHECK-NEXT: call void @test30f(i32* nonnull [[TMP1]]) #0
; CHECK-NEXT: [[TMP2:%.*]] = sext i32 [[M:%.*]] to i64
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP1]], i64 [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
; CHECK-NEXT: ret i32 [[TMP4]]
;
entry:
%0 = alloca i32, i32 %n, align 4
%1 = bitcast i32* %0 to [0 x i32]*
call void @test30f(i32* %0) nounwind
%2 = getelementptr [0 x i32], [0 x i32]* %1, i32 0, i32 %m
%3 = load i32, i32* %2, align 4
ret i32 %3
}
declare void @test30f(i32*)
define i1 @test31(i32* %A) {
; CHECK-LABEL: @test31(
; CHECK-NEXT: ret i1 true
;
%B = getelementptr i32, i32* %A, i32 1
%C = getelementptr i32, i32* %A, i64 1
%V = icmp eq i32* %B, %C
ret i1 %V
}
; PR1345
define i8* @test32(i8* %v) {
; CHECK-LABEL: @test32(
; CHECK-NEXT: [[A:%.*]] = alloca [4 x i8*], align 16
; CHECK-NEXT: [[B:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 0
; CHECK-NEXT: store i8* null, i8** [[B]], align 16
; CHECK-NEXT: [[D:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 1
; CHECK-NEXT: store i8* [[V:%.*]], i8** [[D]], align 8
; CHECK-NEXT: [[F:%.*]] = getelementptr inbounds [4 x i8*], [4 x i8*]* [[A]], i64 0, i64 2
; CHECK-NEXT: [[G:%.*]] = load i8*, i8** [[F]], align 16
; CHECK-NEXT: ret i8* [[G]]
;
%A = alloca [4 x i8*], align 16
%B = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 0
store i8* null, i8** %B
%C = bitcast [4 x i8*]* %A to { [16 x i8] }*
%D = getelementptr { [16 x i8] }, { [16 x i8] }* %C, i32 0, i32 0, i32 8
%E = bitcast i8* %D to i8**
store i8* %v, i8** %E
%F = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 2
%G = load i8*, i8** %F
ret i8* %G
}
; PR3290
%struct.Key = type { { i32, i32 } }
%struct.anon = type <{ i8, [3 x i8], i32 }>
define i32* @test33(%struct.Key* %A) {
; CHECK-LABEL: @test33(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_KEY:%.*]], %struct.Key* [[A:%.*]], i64 0, i32 0, i32 1
; CHECK-NEXT: ret i32* [[TMP1]]
;
%B = bitcast %struct.Key* %A to %struct.anon*
%C = getelementptr %struct.anon, %struct.anon* %B, i32 0, i32 2
ret i32* %C
}
define i32 addrspace(1)* @test33_as1(%struct.Key addrspace(1)* %A) {
; CHECK-LABEL: @test33_as1(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_KEY:%.*]], [[STRUCT_KEY]] addrspace(1)* [[A:%.*]], i16 0, i32 0, i32 1
; CHECK-NEXT: ret i32 addrspace(1)* [[TMP1]]
;
%B = bitcast %struct.Key addrspace(1)* %A to %struct.anon addrspace(1)*
%C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2
ret i32 addrspace(1)* %C
}
define i32 addrspace(1)* @test33_array_as1([10 x i32] addrspace(1)* %A) {
; CHECK-LABEL: @test33_array_as1(
; CHECK-NEXT: [[C:%.*]] = getelementptr [10 x i32], [10 x i32] addrspace(1)* [[A:%.*]], i16 0, i16 2
; CHECK-NEXT: ret i32 addrspace(1)* [[C]]
;
%B = bitcast [10 x i32] addrspace(1)* %A to [5 x i32] addrspace(1)*
%C = getelementptr [5 x i32], [5 x i32] addrspace(1)* %B, i32 0, i32 2
ret i32 addrspace(1)* %C
}
; Make sure the GEP indices use the right pointer sized integer
define i32 addrspace(1)* @test33_array_struct_as1([10 x %struct.Key] addrspace(1)* %A) {
; CHECK-LABEL: @test33_array_struct_as1(
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [10 x %struct.Key], [10 x %struct.Key] addrspace(1)* [[A:%.*]], i16 0, i16 1, i32 0, i32 0
; CHECK-NEXT: ret i32 addrspace(1)* [[TMP1]]
;
%B = bitcast [10 x %struct.Key] addrspace(1)* %A to [20 x i32] addrspace(1)*
%C = getelementptr [20 x i32], [20 x i32] addrspace(1)* %B, i32 0, i32 2
ret i32 addrspace(1)* %C
}
define i32 addrspace(1)* @test33_addrspacecast(%struct.Key* %A) {
; CHECK-LABEL: @test33_addrspacecast(
; CHECK-NEXT: [[C:%.*]] = getelementptr [[STRUCT_KEY:%.*]], %struct.Key* [[A:%.*]], i64 0, i32 0, i32 1
; CHECK-NEXT: [[TMP1:%.*]] = addrspacecast i32* [[C]] to i32 addrspace(1)*
; CHECK-NEXT: ret i32 addrspace(1)* [[TMP1]]
;
%B = addrspacecast %struct.Key* %A to %struct.anon addrspace(1)*
%C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2
ret i32 addrspace(1)* %C
}
%T2 = type { i8*, i8 }
define i8* @test34(i8* %Val, i64 %V) nounwind {
; CHECK-LABEL: @test34(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_CAST:%.*]] = inttoptr i64 [[V:%.*]] to i8*
; CHECK-NEXT: ret i8* [[C_CAST]]
;
entry:
%A = alloca %T2, align 8
%mrv_gep = bitcast %T2* %A to i64*
%B = getelementptr %T2, %T2* %A, i64 0, i32 0
store i64 %V, i64* %mrv_gep
%C = load i8*, i8** %B, align 8
ret i8* %C
}
%t0 = type { i8*, [19 x i8] }
%t1 = type { i8*, [0 x i8] }
@array = external global [11 x i8]
@s = external global %t0
@"\01LC8" = external constant [17 x i8]
; Instcombine should be able to fold this getelementptr.
define i32 @test35() nounwind {
; CHECK-LABEL: @test35(
; CHECK-NEXT: [[TMP1:%.*]] = call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0, %t0* @s, i64 0, i32 1, i64 0)) #0
; CHECK-NEXT: ret i32 0
;
call i32 (i8*, ...) @printf(i8* getelementptr ([17 x i8], [17 x i8]* @"\01LC8", i32 0, i32 0),
i8* getelementptr (%t1, %t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind
ret i32 0
}
; Don't treat signed offsets as unsigned.
define i8* @test36() nounwind {
; CHECK-LABEL: @test36(
; CHECK-NEXT: ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i64 0, i64 -1)
;
ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i32 0, i64 -1)
}
; Instcombine shouldn't assume that gep(A,0,1) != gep(A,1,0).
@A37 = external constant [1 x i8]
define i1 @test37() nounwind {
; CHECK-LABEL: @test37(
; CHECK-NEXT: ret i1 true
;
%t = icmp eq i8* getelementptr ([1 x i8], [1 x i8]* @A37, i64 0, i64 1),
getelementptr ([1 x i8], [1 x i8]* @A37, i64 1, i64 0)
ret i1 %t
}
; Test index promotion
define i32* @test38(i32* %I, i32 %n) {
; CHECK-LABEL: @test38(
; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[N:%.*]] to i64
; CHECK-NEXT: [[A:%.*]] = getelementptr i32, i32* [[I:%.*]], i64 [[TMP1]]
; CHECK-NEXT: ret i32* [[A]]
;
%A = getelementptr i32, i32* %I, i32 %n
ret i32* %A
}
; Test that we don't duplicate work when the second gep is a "bitcast".
%pr10322_t = type { i8* }
declare void @pr10322_f2(%pr10322_t*)
declare void @pr10322_f3(i8**)
define void @pr10322_f1(%pr10322_t* %foo) {
; CHECK-LABEL: @pr10322_f1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds [[PR10322_T:%.*]], %pr10322_t* [[FOO:%.*]], i64 2
; CHECK-NEXT: call void @pr10322_f2(%pr10322_t* nonnull [[ARRAYIDX8]]) #0
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PR10322_T]], %pr10322_t* [[ARRAYIDX8]], i64 0, i32 0
; CHECK-NEXT: call void @pr10322_f3(i8** nonnull [[TMP2]]) #0
; CHECK-NEXT: ret void
;
entry:
%arrayidx8 = getelementptr inbounds %pr10322_t, %pr10322_t* %foo, i64 2
call void @pr10322_f2(%pr10322_t* %arrayidx8) nounwind
%tmp2 = getelementptr inbounds %pr10322_t, %pr10322_t* %arrayidx8, i64 0, i32 0
call void @pr10322_f3(i8** %tmp2) nounwind
ret void
}
; Test that we combine the last two geps in this sequence, before we
; would wait for gep1 and gep2 to be combined and never combine 2 and 3.
%three_gep_t = type {i32}
%three_gep_t2 = type {%three_gep_t}
define void @three_gep_f(%three_gep_t2* %x) {
; CHECK-LABEL: @three_gep_f(
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr [[THREE_GEP_T2:%.*]], %three_gep_t2* [[X:%.*]], i64 2
; CHECK-NEXT: call void @three_gep_h(%three_gep_t2* [[GEP1]])
; CHECK-NEXT: [[GEP3:%.*]] = getelementptr [[THREE_GEP_T2]], %three_gep_t2* [[GEP1]], i64 0, i32 0, i32 0
; CHECK-NEXT: call void @three_gep_g(i32* [[GEP3]])
; CHECK-NEXT: ret void
;
%gep1 = getelementptr %three_gep_t2, %three_gep_t2* %x, i64 2
call void @three_gep_h(%three_gep_t2* %gep1)
%gep2 = getelementptr %three_gep_t2, %three_gep_t2* %gep1, i64 0, i32 0
%gep3 = getelementptr %three_gep_t, %three_gep_t* %gep2, i64 0, i32 0
call void @three_gep_g(i32* %gep3)
ret void
}
declare void @three_gep_g(i32*)
declare void @three_gep_h(%three_gep_t2*)
%struct.ham = type { i32, %struct.zot*, %struct.zot*, %struct.zot* }
%struct.zot = type { i64, i8 }
define void @test39(%struct.ham* %arg, i8 %arg1) nounwind {
; CHECK-LABEL: @test39(
; CHECK-NEXT: [[TMP:%.*]] = getelementptr inbounds [[STRUCT_HAM:%.*]], %struct.ham* [[ARG:%.*]], i64 0, i32 2
; CHECK-NEXT: [[TMP1:%.*]] = bitcast %struct.zot** [[TMP]] to i8**
; CHECK-NEXT: [[TMP21:%.*]] = load i8*, i8** [[TMP1]], align 8
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[TMP21]], i64 -8
; CHECK-NEXT: store i8 [[ARG1:%.*]], i8* [[TMP4]], align 8
; CHECK-NEXT: ret void
;
%tmp = getelementptr inbounds %struct.ham, %struct.ham* %arg, i64 0, i32 2
%tmp2 = load %struct.zot*, %struct.zot** %tmp, align 8
%tmp3 = bitcast %struct.zot* %tmp2 to i8*
%tmp4 = getelementptr inbounds i8, i8* %tmp3, i64 -8
store i8 %arg1, i8* %tmp4, align 8
ret void
}
define i1 @pr16483([1 x i8]* %a, [1 x i8]* %b) {
; CHECK-LABEL: @pr16483(
; CHECK-NEXT: [[CMP:%.*]] = icmp ult [1 x i8]* [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: ret i1 [[CMP]]
;
%c = getelementptr [1 x i8], [1 x i8]* %a, i32 0, i32 0
%d = getelementptr [1 x i8], [1 x i8]* %b, i32 0, i32 0
%cmp = icmp ult i8* %c, %d
ret i1 %cmp
}
define i8 @test_gep_bitcast_as1(i32 addrspace(1)* %arr, i16 %N) {
; CHECK-LABEL: @test_gep_bitcast_as1(
; CHECK-NEXT: [[T1:%.*]] = getelementptr i32, i32 addrspace(1)* [[ARR:%.*]], i16 [[N:%.*]]
; CHECK-NEXT: [[T:%.*]] = bitcast i32 addrspace(1)* [[T1]] to i8 addrspace(1)*
; CHECK-NEXT: [[X:%.*]] = load i8, i8 addrspace(1)* [[T]], align 1
; CHECK-NEXT: ret i8 [[X]]
;
%cast = bitcast i32 addrspace(1)* %arr to i8 addrspace(1)*
%V = mul i16 %N, 4
%t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V
%x = load i8, i8 addrspace(1)* %t
ret i8 %x
}
; The element size of the array matches the element size of the pointer
define i64 @test_gep_bitcast_array_same_size_element([100 x double]* %arr, i64 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element(
; CHECK-NEXT: [[V:%.*]] = shl i64 [[N:%.*]], 3
; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[V]]
; CHECK-NEXT: [[T:%.*]] = bitcast double* [[T1]] to i64*
; CHECK-NEXT: [[X:%.*]] = load i64, i64* [[T]], align 4
; CHECK-NEXT: ret i64 [[X]]
;
%cast = bitcast [100 x double]* %arr to i64*
%V = mul i64 %N, 8
%t = getelementptr i64, i64* %cast, i64 %V
%x = load i64, i64* %t
ret i64 %x
}
; gep should be done in the original address space.
define i64 @test_gep_bitcast_array_same_size_element_addrspacecast([100 x double]* %arr, i64 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_addrspacecast(
; CHECK-NEXT: [[V:%.*]] = shl i64 [[N:%.*]], 3
; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[V]]
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[T1]] to i64*
; CHECK-NEXT: [[T:%.*]] = addrspacecast i64* [[TMP1]] to i64 addrspace(3)*
; CHECK-NEXT: [[X:%.*]] = load i64, i64 addrspace(3)* [[T]], align 4
; CHECK-NEXT: ret i64 [[X]]
;
%cast = addrspacecast [100 x double]* %arr to i64 addrspace(3)*
%V = mul i64 %N, 8
%t = getelementptr i64, i64 addrspace(3)* %cast, i64 %V
%x = load i64, i64 addrspace(3)* %t
ret i64 %x
}
; The element size of the array is different the element size of the pointer
define i8 @test_gep_bitcast_array_different_size_element([100 x double]* %arr, i64 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_different_size_element(
; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double]* [[ARR:%.*]], i64 0, i64 [[N:%.*]]
; CHECK-NEXT: [[T:%.*]] = bitcast double* [[T1]] to i8*
; CHECK-NEXT: [[X:%.*]] = load i8, i8* [[T]], align 1
; CHECK-NEXT: ret i8 [[X]]
;
%cast = bitcast [100 x double]* %arr to i8*
%V = mul i64 %N, 8
%t = getelementptr i8, i8* %cast, i64 %V
%x = load i8, i8* %t
ret i8 %x
}
define i64 @test_gep_bitcast_array_same_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_as1(
; CHECK-NEXT: [[V:%.*]] = shl i16 [[N:%.*]], 3
; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[ARR:%.*]], i16 0, i16 [[V]]
; CHECK-NEXT: [[T:%.*]] = bitcast double addrspace(1)* [[T1]] to i64 addrspace(1)*
; CHECK-NEXT: [[X:%.*]] = load i64, i64 addrspace(1)* [[T]], align 4
; CHECK-NEXT: ret i64 [[X]]
;
%cast = bitcast [100 x double] addrspace(1)* %arr to i64 addrspace(1)*
%V = mul i16 %N, 8
%t = getelementptr i64, i64 addrspace(1)* %cast, i16 %V
%x = load i64, i64 addrspace(1)* %t
ret i64 %x
}
define i8 @test_gep_bitcast_array_different_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_different_size_element_as1(
; CHECK-NEXT: [[T1:%.*]] = getelementptr [100 x double], [100 x double] addrspace(1)* [[ARR:%.*]], i16 0, i16 [[N:%.*]]
; CHECK-NEXT: [[T:%.*]] = bitcast double addrspace(1)* [[T1]] to i8 addrspace(1)*
; CHECK-NEXT: [[X:%.*]] = load i8, i8 addrspace(1)* [[T]], align 1
; CHECK-NEXT: ret i8 [[X]]
;
%cast = bitcast [100 x double] addrspace(1)* %arr to i8 addrspace(1)*
%V = mul i16 %N, 8
%t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V
%x = load i8, i8 addrspace(1)* %t
ret i8 %x
}
define i64 @test40() {
; CHECK-LABEL: @test40(