File: ptrtoint.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 (610 lines) | stat: -rw-r--r-- 33,650 bytes parent folder | download | duplicates (4)
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
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt < %s --data-layout="e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" -S -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck --check-prefixes=ALL,X64 %s
; RUN: opt < %s --data-layout="e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128" -S -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck --check-prefixes=ALL,X32 %s

; While we can't treat inttoptr/ptrtoint casts as fully transparent,
; for ptrtoint cast, instead of modelling it as fully opaque (unknown),
; we can at least model it as zext/trunc/self of an unknown,
; iff it it's argument would be modelled as unknown anyways.

declare void @useptr(i8*)

; Simple ptrtoint of an argument, with casts to potentially different bit widths.
define void @ptrtoint(i8* %in, i64* %out0, i32* %out1, i16* %out2, i128* %out3) {
; X64-LABEL: 'ptrtoint'
; X64-NEXT:  Classifying expressions for: @ptrtoint
; X64-NEXT:    %p0 = ptrtoint i8* %in to i64
; X64-NEXT:    --> (ptrtoint i8* %in to i64) U: full-set S: full-set
; X64-NEXT:    %p1 = ptrtoint i8* %in to i32
; X64-NEXT:    --> (trunc i64 (ptrtoint i8* %in to i64) to i32) U: full-set S: full-set
; X64-NEXT:    %p2 = ptrtoint i8* %in to i16
; X64-NEXT:    --> (trunc i64 (ptrtoint i8* %in to i64) to i16) U: full-set S: full-set
; X64-NEXT:    %p3 = ptrtoint i8* %in to i128
; X64-NEXT:    --> (zext i64 (ptrtoint i8* %in to i64) to i128) U: [0,18446744073709551616) S: [0,18446744073709551616)
; X64-NEXT:  Determining loop execution counts for: @ptrtoint
;
; X32-LABEL: 'ptrtoint'
; X32-NEXT:  Classifying expressions for: @ptrtoint
; X32-NEXT:    %p0 = ptrtoint i8* %in to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8* %in to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:    %p1 = ptrtoint i8* %in to i32
; X32-NEXT:    --> (ptrtoint i8* %in to i32) U: full-set S: full-set
; X32-NEXT:    %p2 = ptrtoint i8* %in to i16
; X32-NEXT:    --> (trunc i32 (ptrtoint i8* %in to i32) to i16) U: full-set S: full-set
; X32-NEXT:    %p3 = ptrtoint i8* %in to i128
; X32-NEXT:    --> (zext i32 (ptrtoint i8* %in to i32) to i128) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint
;
  %p0 = ptrtoint i8* %in to i64
  %p1 = ptrtoint i8* %in to i32
  %p2 = ptrtoint i8* %in to i16
  %p3 = ptrtoint i8* %in to i128
  store i64  %p0, i64*  %out0
  store i32  %p1, i32*  %out1
  store i16  %p2, i16*  %out2
  store i128 %p3, i128* %out3
  ret void
}

; Same, but from non-zero/non-default address space.
define void @ptrtoint_as1(i8 addrspace(1)* %in, i64* %out0, i32* %out1, i16* %out2, i128* %out3) {
; X64-LABEL: 'ptrtoint_as1'
; X64-NEXT:  Classifying expressions for: @ptrtoint_as1
; X64-NEXT:    %p0 = ptrtoint i8 addrspace(1)* %in to i64
; X64-NEXT:    --> (ptrtoint i8 addrspace(1)* %in to i64) U: full-set S: full-set
; X64-NEXT:    %p1 = ptrtoint i8 addrspace(1)* %in to i32
; X64-NEXT:    --> (trunc i64 (ptrtoint i8 addrspace(1)* %in to i64) to i32) U: full-set S: full-set
; X64-NEXT:    %p2 = ptrtoint i8 addrspace(1)* %in to i16
; X64-NEXT:    --> (trunc i64 (ptrtoint i8 addrspace(1)* %in to i64) to i16) U: full-set S: full-set
; X64-NEXT:    %p3 = ptrtoint i8 addrspace(1)* %in to i128
; X64-NEXT:    --> (zext i64 (ptrtoint i8 addrspace(1)* %in to i64) to i128) U: [0,18446744073709551616) S: [0,18446744073709551616)
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_as1
;
; X32-LABEL: 'ptrtoint_as1'
; X32-NEXT:  Classifying expressions for: @ptrtoint_as1
; X32-NEXT:    %p0 = ptrtoint i8 addrspace(1)* %in to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8 addrspace(1)* %in to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:    %p1 = ptrtoint i8 addrspace(1)* %in to i32
; X32-NEXT:    --> (ptrtoint i8 addrspace(1)* %in to i32) U: full-set S: full-set
; X32-NEXT:    %p2 = ptrtoint i8 addrspace(1)* %in to i16
; X32-NEXT:    --> (trunc i32 (ptrtoint i8 addrspace(1)* %in to i32) to i16) U: full-set S: full-set
; X32-NEXT:    %p3 = ptrtoint i8 addrspace(1)* %in to i128
; X32-NEXT:    --> (zext i32 (ptrtoint i8 addrspace(1)* %in to i32) to i128) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_as1
;
  %p0 = ptrtoint i8 addrspace(1)* %in to i64
  %p1 = ptrtoint i8 addrspace(1)* %in to i32
  %p2 = ptrtoint i8 addrspace(1)* %in to i16
  %p3 = ptrtoint i8 addrspace(1)* %in to i128
  store i64  %p0, i64*  %out0
  store i32  %p1, i32*  %out1
  store i16  %p2, i16*  %out2
  store i128 %p3, i128* %out3
  ret void
}

; Likewise, ptrtoint of a bitcast is fine, we simply skip it.
define void @ptrtoint_of_bitcast(i8* %in, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_bitcast'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_bitcast
; X64-NEXT:    %in_casted = bitcast i8* %in to float*
; X64-NEXT:    --> %in U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint float* %in_casted to i64
; X64-NEXT:    --> (ptrtoint i8* %in to i64) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_bitcast
;
; X32-LABEL: 'ptrtoint_of_bitcast'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_bitcast
; X32-NEXT:    %in_casted = bitcast i8* %in to float*
; X32-NEXT:    --> %in U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint float* %in_casted to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8* %in to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_bitcast
;
  %in_casted = bitcast i8* %in to float*
  %p0 = ptrtoint float* %in_casted to i64
  store i64 %p0, i64* %out0
  ret void
}

; addrspacecast is fine too, but We don't model addrspacecast, so we stop there.
define void @ptrtoint_of_addrspacecast(i8* %in, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_addrspacecast'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_addrspacecast
; X64-NEXT:    %in_casted = addrspacecast i8* %in to i8 addrspace(1)*
; X64-NEXT:    --> %in_casted U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8 addrspace(1)* %in_casted to i64
; X64-NEXT:    --> (ptrtoint i8 addrspace(1)* %in_casted to i64) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_addrspacecast
;
; X32-LABEL: 'ptrtoint_of_addrspacecast'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_addrspacecast
; X32-NEXT:    %in_casted = addrspacecast i8* %in to i8 addrspace(1)*
; X32-NEXT:    --> %in_casted U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8 addrspace(1)* %in_casted to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8 addrspace(1)* %in_casted to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_addrspacecast
;
  %in_casted = addrspacecast i8* %in to i8 addrspace(1)*
  %p0 = ptrtoint i8 addrspace(1)* %in_casted to i64
  store i64 %p0, i64* %out0
  ret void
}

; inttoptr is fine too, but we don't (and can't) model inttoptr, so we stop there.
define void @ptrtoint_of_inttoptr(i64 %in, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_inttoptr'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_inttoptr
; X64-NEXT:    %in_casted = inttoptr i64 %in to i8*
; X64-NEXT:    --> %in_casted U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8* %in_casted to i64
; X64-NEXT:    --> (ptrtoint i8* %in_casted to i64) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_inttoptr
;
; X32-LABEL: 'ptrtoint_of_inttoptr'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_inttoptr
; X32-NEXT:    %in_casted = inttoptr i64 %in to i8*
; X32-NEXT:    --> %in_casted U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8* %in_casted to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8* %in_casted to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_inttoptr
;
  %in_casted = inttoptr i64 %in to i8*
  %p0 = ptrtoint i8* %in_casted to i64
  store i64 %p0, i64* %out0
  ret void
}

; A constant pointer is fine
define void @ptrtoint_of_nullptr(i64* %out0) {
; ALL-LABEL: 'ptrtoint_of_nullptr'
; ALL-NEXT:  Classifying expressions for: @ptrtoint_of_nullptr
; ALL-NEXT:    %p0 = ptrtoint i8* null to i64
; ALL-NEXT:    --> 0 U: [0,1) S: [0,1)
; ALL-NEXT:  Determining loop execution counts for: @ptrtoint_of_nullptr
;
  %p0 = ptrtoint i8* null to i64
  store i64 %p0, i64* %out0
  ret void
}

; A constant inttoptr argument of an ptrtoint is still bad.
define void @ptrtoint_of_constantexpr_inttoptr(i64* %out0) {
; X64-LABEL: 'ptrtoint_of_constantexpr_inttoptr'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_constantexpr_inttoptr
; X64-NEXT:    %p0 = ptrtoint i8* inttoptr (i64 42 to i8*) to i64
; X64-NEXT:    --> (ptrtoint i8* inttoptr (i64 42 to i8*) to i64) U: [42,43) S: [42,43)
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_constantexpr_inttoptr
;
; X32-LABEL: 'ptrtoint_of_constantexpr_inttoptr'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_constantexpr_inttoptr
; X32-NEXT:    %p0 = ptrtoint i8* inttoptr (i64 42 to i8*) to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8* inttoptr (i64 42 to i8*) to i32) to i64) U: [42,43) S: [42,43)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_constantexpr_inttoptr
;
  %p0 = ptrtoint i8* inttoptr (i64 42 to i8*) to i64
  store i64 %p0, i64* %out0
  ret void
}

; ptrtoint of GEP is fine.
define void @ptrtoint_of_gep(i8* %in, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_gep'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_gep
; X64-NEXT:    %in_adj = getelementptr inbounds i8, i8* %in, i64 42
; X64-NEXT:    --> (42 + %in) U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8* %in_adj to i64
; X64-NEXT:    --> (42 + (ptrtoint i8* %in to i64)) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_gep
;
; X32-LABEL: 'ptrtoint_of_gep'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_gep
; X32-NEXT:    %in_adj = getelementptr inbounds i8, i8* %in, i64 42
; X32-NEXT:    --> (42 + %in) U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8* %in_adj to i64
; X32-NEXT:    --> (zext i32 (42 + (ptrtoint i8* %in to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_gep
;
  %in_adj = getelementptr inbounds i8, i8* %in, i64 42
  %p0 = ptrtoint i8* %in_adj to i64
  store i64  %p0, i64*  %out0
  ret void
}

; It seems, we can't get ptrtoint of mul/udiv, or at least it's hard to come up with a test case.

; ptrtoint of AddRec
define void @ptrtoint_of_addrec(i32* %in, i32 %count) {
; X64-LABEL: 'ptrtoint_of_addrec'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_addrec
; X64-NEXT:    %i3 = zext i32 %count to i64
; X64-NEXT:    --> (zext i32 %count to i64) U: [0,4294967296) S: [0,4294967296)
; X64-NEXT:    %i6 = phi i64 [ 0, %entry ], [ %i9, %loop ]
; X64-NEXT:    --> {0,+,1}<nuw><nsw><%loop> U: [0,-9223372036854775808) S: [0,-9223372036854775808) Exits: (-1 + (zext i32 %count to i64))<nsw> LoopDispositions: { %loop: Computable }
; X64-NEXT:    %i7 = getelementptr inbounds i32, i32* %in, i64 %i6
; X64-NEXT:    --> {%in,+,4}<%loop> U: full-set S: full-set Exits: (-4 + (4 * (zext i32 %count to i64))<nuw><nsw> + %in) LoopDispositions: { %loop: Computable }
; X64-NEXT:    %i8 = ptrtoint i32* %i7 to i64
; X64-NEXT:    --> {(ptrtoint i32* %in to i64),+,4}<%loop> U: full-set S: full-set Exits: (-4 + (4 * (zext i32 %count to i64))<nuw><nsw> + (ptrtoint i32* %in to i64)) LoopDispositions: { %loop: Computable }
; X64-NEXT:    %i9 = add nuw nsw i64 %i6, 1
; X64-NEXT:    --> {1,+,1}<nuw><%loop> U: [1,0) S: [1,0) Exits: (zext i32 %count to i64) LoopDispositions: { %loop: Computable }
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_addrec
; X64-NEXT:  Loop %loop: backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
; X64-NEXT:  Loop %loop: max backedge-taken count is -1
; X64-NEXT:  Loop %loop: Predicated backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
; X64-NEXT:   Predicates:
; X64:       Loop %loop: Trip multiple is 1
;
; X32-LABEL: 'ptrtoint_of_addrec'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_addrec
; X32-NEXT:    %i3 = zext i32 %count to i64
; X32-NEXT:    --> (zext i32 %count to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:    %i6 = phi i64 [ 0, %entry ], [ %i9, %loop ]
; X32-NEXT:    --> {0,+,1}<nuw><nsw><%loop> U: [0,-9223372036854775808) S: [0,-9223372036854775808) Exits: (-1 + (zext i32 %count to i64))<nsw> LoopDispositions: { %loop: Computable }
; X32-NEXT:    %i7 = getelementptr inbounds i32, i32* %in, i64 %i6
; X32-NEXT:    --> {%in,+,4}<%loop> U: full-set S: full-set Exits: (-4 + (4 * %count) + %in) LoopDispositions: { %loop: Computable }
; X32-NEXT:    %i8 = ptrtoint i32* %i7 to i64
; X32-NEXT:    --> (zext i32 {(ptrtoint i32* %in to i32),+,4}<%loop> to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 (-4 + (4 * %count) + (ptrtoint i32* %in to i32)) to i64) LoopDispositions: { %loop: Computable }
; X32-NEXT:    %i9 = add nuw nsw i64 %i6, 1
; X32-NEXT:    --> {1,+,1}<nuw><%loop> U: [1,0) S: [1,0) Exits: (zext i32 %count to i64) LoopDispositions: { %loop: Computable }
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_addrec
; X32-NEXT:  Loop %loop: backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
; X32-NEXT:  Loop %loop: max backedge-taken count is -1
; X32-NEXT:  Loop %loop: Predicated backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
; X32-NEXT:   Predicates:
; X32:       Loop %loop: Trip multiple is 1
;
entry:
  %i3 = zext i32 %count to i64
  br label %loop

loop:
  %i6 = phi i64 [ 0, %entry ], [ %i9, %loop ]
  %i7 = getelementptr inbounds i32, i32* %in, i64 %i6
  %i8 = ptrtoint i32* %i7 to i64
  tail call void @use(i64 %i8)
  %i9 = add nuw nsw i64 %i6, 1
  %i10 = icmp eq i64 %i9, %i3
  br i1 %i10, label %end, label %loop

end:
  ret void
}
declare void @use(i64)

; ptrtoint of UMax
define void @ptrtoint_of_umax(i8* %in0, i8* %in1, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_umax'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_umax
; X64-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X64-NEXT:    --> (%in0 umax %in1) U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8* %s to i64
; X64-NEXT:    --> ((ptrtoint i8* %in0 to i64) umax (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_umax
;
; X32-LABEL: 'ptrtoint_of_umax'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_umax
; X32-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X32-NEXT:    --> (%in0 umax %in1) U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8* %s to i64
; X32-NEXT:    --> (zext i32 ((ptrtoint i8* %in0 to i32) umax (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_umax
;
  %c = icmp uge i8* %in0, %in1
  %s = select i1 %c, i8* %in0, i8* %in1
  %p0 = ptrtoint i8* %s to i64
  store i64  %p0, i64*  %out0
  ret void
}
; ptrtoint of SMax
define void @ptrtoint_of_smax(i8* %in0, i8* %in1, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_smax'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_smax
; X64-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X64-NEXT:    --> (%in0 smax %in1) U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8* %s to i64
; X64-NEXT:    --> ((ptrtoint i8* %in0 to i64) smax (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_smax
;
; X32-LABEL: 'ptrtoint_of_smax'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_smax
; X32-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X32-NEXT:    --> (%in0 smax %in1) U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8* %s to i64
; X32-NEXT:    --> (zext i32 ((ptrtoint i8* %in0 to i32) smax (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_smax
;
  %c = icmp sge i8* %in0, %in1
  %s = select i1 %c, i8* %in0, i8* %in1
  %p0 = ptrtoint i8* %s to i64
  store i64  %p0, i64*  %out0
  ret void
}
; ptrtoint of UMin
define void @ptrtoint_of_umin(i8* %in0, i8* %in1, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_umin'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_umin
; X64-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X64-NEXT:    --> (%in0 umin %in1) U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8* %s to i64
; X64-NEXT:    --> ((ptrtoint i8* %in0 to i64) umin (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_umin
;
; X32-LABEL: 'ptrtoint_of_umin'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_umin
; X32-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X32-NEXT:    --> (%in0 umin %in1) U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8* %s to i64
; X32-NEXT:    --> (zext i32 ((ptrtoint i8* %in0 to i32) umin (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_umin
;
  %c = icmp ule i8* %in0, %in1
  %s = select i1 %c, i8* %in0, i8* %in1
  %p0 = ptrtoint i8* %s to i64
  store i64  %p0, i64*  %out0
  ret void
}
; ptrtoint of SMin
define void @ptrtoint_of_smin(i8* %in0, i8* %in1, i64* %out0) {
; X64-LABEL: 'ptrtoint_of_smin'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_smin
; X64-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X64-NEXT:    --> (%in0 smin %in1) U: full-set S: full-set
; X64-NEXT:    %p0 = ptrtoint i8* %s to i64
; X64-NEXT:    --> ((ptrtoint i8* %in0 to i64) smin (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_smin
;
; X32-LABEL: 'ptrtoint_of_smin'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_smin
; X32-NEXT:    %s = select i1 %c, i8* %in0, i8* %in1
; X32-NEXT:    --> (%in0 smin %in1) U: full-set S: full-set
; X32-NEXT:    %p0 = ptrtoint i8* %s to i64
; X32-NEXT:    --> (zext i32 ((ptrtoint i8* %in0 to i32) smin (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_smin
;
  %c = icmp sle i8* %in0, %in1
  %s = select i1 %c, i8* %in0, i8* %in1
  %p0 = ptrtoint i8* %s to i64
  store i64  %p0, i64*  %out0
  ret void
}

; void pr46786_c26_char(char* start, char *end, char *other) {
;   for (char* cur = start; cur != end; ++cur)
;     other[cur - start] += *cur;
; }
define void @pr46786_c26_char(i8* %arg, i8* %arg1, i8* %arg2) {
; X64-LABEL: 'pr46786_c26_char'
; X64-NEXT:  Classifying expressions for: @pr46786_c26_char
; X64-NEXT:    %i4 = ptrtoint i8* %arg to i64
; X64-NEXT:    --> (ptrtoint i8* %arg to i64) U: full-set S: full-set
; X64-NEXT:    %i7 = phi i8* [ %arg, %bb3 ], [ %i14, %bb6 ]
; X64-NEXT:    --> {%arg,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint i8* %arg to i64)) + (ptrtoint i8* %arg1 to i64) + %arg) LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i8 = load i8, i8* %i7, align 1
; X64-NEXT:    --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i9 = ptrtoint i8* %i7 to i64
; X64-NEXT:    --> {(ptrtoint i8* %arg to i64),+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (ptrtoint i8* %arg1 to i64)) LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i10 = sub i64 %i9, %i4
; X64-NEXT:    --> {0,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint i8* %arg to i64)) + (ptrtoint i8* %arg1 to i64)) LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i11 = getelementptr inbounds i8, i8* %arg2, i64 %i10
; X64-NEXT:    --> {%arg2,+,1}<nw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint i8* %arg to i64)) + (ptrtoint i8* %arg1 to i64) + %arg2) LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i12 = load i8, i8* %i11, align 1
; X64-NEXT:    --> %i12 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i13 = add i8 %i12, %i8
; X64-NEXT:    --> (%i12 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i14 = getelementptr inbounds i8, i8* %i7, i64 1
; X64-NEXT:    --> {(1 + %arg),+,1}<nuw><%bb6> U: full-set S: full-set Exits: ((-1 * (ptrtoint i8* %arg to i64)) + (ptrtoint i8* %arg1 to i64) + %arg) LoopDispositions: { %bb6: Computable }
; X64-NEXT:  Determining loop execution counts for: @pr46786_c26_char
; X64-NEXT:  Loop %bb6: backedge-taken count is (-1 + (-1 * (ptrtoint i8* %arg to i64)) + (ptrtoint i8* %arg1 to i64))
; X64-NEXT:  Loop %bb6: max backedge-taken count is -1
; X64-NEXT:  Loop %bb6: Predicated backedge-taken count is (-1 + (-1 * (ptrtoint i8* %arg to i64)) + (ptrtoint i8* %arg1 to i64))
; X64-NEXT:   Predicates:
; X64:       Loop %bb6: Trip multiple is 1
;
; X32-LABEL: 'pr46786_c26_char'
; X32-NEXT:  Classifying expressions for: @pr46786_c26_char
; X32-NEXT:    %i4 = ptrtoint i8* %arg to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8* %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:    %i7 = phi i8* [ %arg, %bb3 ], [ %i14, %bb6 ]
; X32-NEXT:    --> {%arg,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32) + %arg) LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i8 = load i8, i8* %i7, align 1
; X32-NEXT:    --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i9 = ptrtoint i8* %i7 to i64
; X32-NEXT:    --> {(zext i32 (ptrtoint i8* %arg to i32) to i64),+,1}<nuw><%bb6> U: [0,8589934591) S: [0,8589934591) Exits: ((zext i32 (-1 + (-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32)) to i64) + (zext i32 (ptrtoint i8* %arg to i32) to i64)) LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i10 = sub i64 %i9, %i4
; X32-NEXT:    --> {0,+,1}<nuw><%bb6> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 (-1 + (-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32)) to i64) LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i11 = getelementptr inbounds i8, i8* %arg2, i64 %i10
; X32-NEXT:    --> {%arg2,+,1}<%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32) + %arg2) LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i12 = load i8, i8* %i11, align 1
; X32-NEXT:    --> %i12 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i13 = add i8 %i12, %i8
; X32-NEXT:    --> (%i12 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i14 = getelementptr inbounds i8, i8* %i7, i64 1
; X32-NEXT:    --> {(1 + %arg),+,1}<nuw><%bb6> U: full-set S: full-set Exits: ((-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32) + %arg) LoopDispositions: { %bb6: Computable }
; X32-NEXT:  Determining loop execution counts for: @pr46786_c26_char
; X32-NEXT:  Loop %bb6: backedge-taken count is (-1 + (-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32))
; X32-NEXT:  Loop %bb6: max backedge-taken count is -1
; X32-NEXT:  Loop %bb6: Predicated backedge-taken count is (-1 + (-1 * (ptrtoint i8* %arg to i32)) + (ptrtoint i8* %arg1 to i32))
; X32-NEXT:   Predicates:
; X32:       Loop %bb6: Trip multiple is 1
;
  %i = icmp eq i8* %arg, %arg1
  br i1 %i, label %bb5, label %bb3

bb3:
  %i4 = ptrtoint i8* %arg to i64
  br label %bb6

bb6:
  %i7 = phi i8* [ %arg, %bb3 ], [ %i14, %bb6 ]
  %i8 = load i8, i8* %i7
  %i9 = ptrtoint i8* %i7 to i64
  %i10 = sub i64 %i9, %i4
  %i11 = getelementptr inbounds i8, i8* %arg2, i64 %i10
  %i12 = load i8, i8* %i11
  %i13 = add i8 %i12, %i8
  store i8 %i13, i8* %i11
  %i14 = getelementptr inbounds i8, i8* %i7, i64 1
  %i15 = icmp eq i8* %i14, %arg1
  br i1 %i15, label %bb5, label %bb6

bb5:
  ret void
}

; void pr46786_c26_int(int* start, int *end, int *other) {
;   for (int* cur = start; cur != end; ++cur)
;     other[cur - start] += *cur;
; }
;
; FIXME: 4 * (%i10 EXACT/s 4) is just %i10
define void @pr46786_c26_int(i32* %arg, i32* %arg1, i32* %arg2) {
; X64-LABEL: 'pr46786_c26_int'
; X64-NEXT:  Classifying expressions for: @pr46786_c26_int
; X64-NEXT:    %i4 = ptrtoint i32* %arg to i64
; X64-NEXT:    --> (ptrtoint i32* %arg to i64) U: full-set S: full-set
; X64-NEXT:    %i7 = phi i32* [ %arg, %bb3 ], [ %i15, %bb6 ]
; X64-NEXT:    --> {%arg,+,4}<nuw><%bb6> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * (ptrtoint i32* %arg to i64)) + (ptrtoint i32* %arg1 to i64)) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i8 = load i32, i32* %i7, align 4
; X64-NEXT:    --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i9 = ptrtoint i32* %i7 to i64
; X64-NEXT:    --> {(ptrtoint i32* %arg to i64),+,4}<nuw><%bb6> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * (ptrtoint i32* %arg to i64)) + (ptrtoint i32* %arg1 to i64)) /u 4))<nuw> + (ptrtoint i32* %arg to i64)) LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i10 = sub i64 %i9, %i4
; X64-NEXT:    --> {0,+,4}<nuw><%bb6> U: [0,-3) S: [-9223372036854775808,9223372036854775805) Exits: (4 * ((-4 + (-1 * (ptrtoint i32* %arg to i64)) + (ptrtoint i32* %arg1 to i64)) /u 4))<nuw> LoopDispositions: { %bb6: Computable }
; X64-NEXT:    %i11 = ashr exact i64 %i10, 2
; X64-NEXT:    --> %i11 U: [-2305843009213693952,2305843009213693952) S: [-2305843009213693952,2305843009213693952) Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i12 = getelementptr inbounds i32, i32* %arg2, i64 %i11
; X64-NEXT:    --> ((4 * %i11)<nsw> + %arg2) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i13 = load i32, i32* %i12, align 4
; X64-NEXT:    --> %i13 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i14 = add nsw i32 %i13, %i8
; X64-NEXT:    --> (%i13 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X64-NEXT:    %i15 = getelementptr inbounds i32, i32* %i7, i64 1
; X64-NEXT:    --> {(4 + %arg),+,4}<nuw><%bb6> U: full-set S: full-set Exits: (4 + (4 * ((-4 + (-1 * (ptrtoint i32* %arg to i64)) + (ptrtoint i32* %arg1 to i64)) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
; X64-NEXT:  Determining loop execution counts for: @pr46786_c26_int
; X64-NEXT:  Loop %bb6: backedge-taken count is ((-4 + (-1 * (ptrtoint i32* %arg to i64)) + (ptrtoint i32* %arg1 to i64)) /u 4)
; X64-NEXT:  Loop %bb6: max backedge-taken count is 4611686018427387903
; X64-NEXT:  Loop %bb6: Predicated backedge-taken count is ((-4 + (-1 * (ptrtoint i32* %arg to i64)) + (ptrtoint i32* %arg1 to i64)) /u 4)
; X64-NEXT:   Predicates:
; X64:       Loop %bb6: Trip multiple is 1
;
; X32-LABEL: 'pr46786_c26_int'
; X32-NEXT:  Classifying expressions for: @pr46786_c26_int
; X32-NEXT:    %i4 = ptrtoint i32* %arg to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i32* %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:    %i7 = phi i32* [ %arg, %bb3 ], [ %i15, %bb6 ]
; X32-NEXT:    --> {%arg,+,4}<nuw><%bb6> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * (ptrtoint i32* %arg to i32)) + (ptrtoint i32* %arg1 to i32)) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i8 = load i32, i32* %i7, align 4
; X32-NEXT:    --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i9 = ptrtoint i32* %i7 to i64
; X32-NEXT:    --> {(zext i32 (ptrtoint i32* %arg to i32) to i64),+,4}<nuw><%bb6> U: [0,8589934588) S: [0,8589934588) Exits: ((zext i32 (ptrtoint i32* %arg to i32) to i64) + (4 * ((zext i32 (-4 + (-1 * (ptrtoint i32* %arg to i32)) + (ptrtoint i32* %arg1 to i32)) to i64) /u 4))<nuw><nsw>) LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i10 = sub i64 %i9, %i4
; X32-NEXT:    --> {0,+,4}<nuw><%bb6> U: [0,4294967293) S: [0,4294967293) Exits: (4 * ((zext i32 (-4 + (-1 * (ptrtoint i32* %arg to i32)) + (ptrtoint i32* %arg1 to i32)) to i64) /u 4))<nuw><nsw> LoopDispositions: { %bb6: Computable }
; X32-NEXT:    %i11 = ashr exact i64 %i10, 2
; X32-NEXT:    --> %i11 U: [-2147483648,2147483648) S: [-2147483648,2147483648) Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i12 = getelementptr inbounds i32, i32* %arg2, i64 %i11
; X32-NEXT:    --> ((4 * (trunc i64 %i11 to i32))<nsw> + %arg2) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i13 = load i32, i32* %i12, align 4
; X32-NEXT:    --> %i13 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i14 = add nsw i32 %i13, %i8
; X32-NEXT:    --> (%i13 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
; X32-NEXT:    %i15 = getelementptr inbounds i32, i32* %i7, i64 1
; X32-NEXT:    --> {(4 + %arg),+,4}<nuw><%bb6> U: full-set S: full-set Exits: (4 + (4 * ((-4 + (-1 * (ptrtoint i32* %arg to i32)) + (ptrtoint i32* %arg1 to i32)) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
; X32-NEXT:  Determining loop execution counts for: @pr46786_c26_int
; X32-NEXT:  Loop %bb6: backedge-taken count is ((-4 + (-1 * (ptrtoint i32* %arg to i32)) + (ptrtoint i32* %arg1 to i32)) /u 4)
; X32-NEXT:  Loop %bb6: max backedge-taken count is 1073741823
; X32-NEXT:  Loop %bb6: Predicated backedge-taken count is ((-4 + (-1 * (ptrtoint i32* %arg to i32)) + (ptrtoint i32* %arg1 to i32)) /u 4)
; X32-NEXT:   Predicates:
; X32:       Loop %bb6: Trip multiple is 1
;
  %i = icmp eq i32* %arg, %arg1
  br i1 %i, label %bb5, label %bb3

bb3:
  %i4 = ptrtoint i32* %arg to i64
  br label %bb6

bb6:
  %i7 = phi i32* [ %arg, %bb3 ], [ %i15, %bb6 ]
  %i8 = load i32, i32* %i7
  %i9 = ptrtoint i32* %i7 to i64
  %i10 = sub i64 %i9, %i4
  %i11 = ashr exact i64 %i10, 2
  %i12 = getelementptr inbounds i32, i32* %arg2, i64 %i11
  %i13 = load i32, i32* %i12
  %i14 = add nsw i32 %i13, %i8
  store i32 %i14, i32* %i12
  %i15 = getelementptr inbounds i32, i32* %i7, i64 1
  %i16 = icmp eq i32* %i15, %arg1
  br i1 %i16, label %bb5, label %bb6

bb5:
  ret void
}

; During SCEV rewrites, we could end up calling `ScalarEvolution::getPtrToIntExpr()`
; on an integer. Make sure we handle that case gracefully.
define void @ptrtoint_of_integer(i8* %arg, i64 %arg1, i1 %arg2) local_unnamed_addr {
; X64-LABEL: 'ptrtoint_of_integer'
; X64-NEXT:  Classifying expressions for: @ptrtoint_of_integer
; X64-NEXT:    %i4 = ptrtoint i8* %arg to i64
; X64-NEXT:    --> (ptrtoint i8* %arg to i64) U: full-set S: full-set
; X64-NEXT:    %i6 = sub i64 %i4, %arg1
; X64-NEXT:    --> ((-1 * %arg1) + (ptrtoint i8* %arg to i64)) U: full-set S: full-set
; X64-NEXT:    %i9 = phi i64 [ 1, %bb7 ], [ %i11, %bb10 ]
; X64-NEXT:    --> {1,+,1}<nuw><%bb8> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
; X64-NEXT:    %i11 = add nuw i64 %i9, 1
; X64-NEXT:    --> {2,+,1}<nw><%bb8> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
; X64-NEXT:  Determining loop execution counts for: @ptrtoint_of_integer
; X64-NEXT:  Loop %bb8: <multiple exits> Unpredictable backedge-taken count.
; X64-NEXT:    exit count for bb8: ***COULDNOTCOMPUTE***
; X64-NEXT:    exit count for bb10: (-2 + (-1 * %arg1) + (ptrtoint i8* %arg to i64))
; X64-NEXT:  Loop %bb8: max backedge-taken count is -1
; X64-NEXT:  Loop %bb8: Unpredictable predicated backedge-taken count.
;
; X32-LABEL: 'ptrtoint_of_integer'
; X32-NEXT:  Classifying expressions for: @ptrtoint_of_integer
; X32-NEXT:    %i4 = ptrtoint i8* %arg to i64
; X32-NEXT:    --> (zext i32 (ptrtoint i8* %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296)
; X32-NEXT:    %i6 = sub i64 %i4, %arg1
; X32-NEXT:    --> ((zext i32 (ptrtoint i8* %arg to i32) to i64) + (-1 * %arg1)) U: full-set S: full-set
; X32-NEXT:    %i9 = phi i64 [ 1, %bb7 ], [ %i11, %bb10 ]
; X32-NEXT:    --> {1,+,1}<nuw><%bb8> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
; X32-NEXT:    %i11 = add nuw i64 %i9, 1
; X32-NEXT:    --> {2,+,1}<nw><%bb8> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
; X32-NEXT:  Determining loop execution counts for: @ptrtoint_of_integer
; X32-NEXT:  Loop %bb8: <multiple exits> Unpredictable backedge-taken count.
; X32-NEXT:    exit count for bb8: ***COULDNOTCOMPUTE***
; X32-NEXT:    exit count for bb10: (-2 + (zext i32 (ptrtoint i8* %arg to i32) to i64) + (-1 * %arg1))
; X32-NEXT:  Loop %bb8: max backedge-taken count is -1
; X32-NEXT:  Loop %bb8: Unpredictable predicated backedge-taken count.
;
bb:
  %i = icmp eq i8* %arg, null
  br i1 %i, label %bb14, label %bb3

bb3:                                              ; preds = %bb
  %i4 = ptrtoint i8* %arg to i64
  br label %bb5

bb5:                                              ; preds = %bb3
  %i6 = sub i64 %i4, %arg1
  br label %bb7

bb7:                                              ; preds = %bb5
  br label %bb8

bb8:                                              ; preds = %bb10, %bb7
  %i9 = phi i64 [ 1, %bb7 ], [ %i11, %bb10 ]
  br i1 %arg2, label %bb10, label %bb13

bb10:                                             ; preds = %bb8
  %i11 = add nuw i64 %i9, 1
  %i12 = icmp eq i64 %i11, %i6
  br i1 %i12, label %bb13, label %bb8

bb13:                                             ; preds = %bb10, %bb8
  ret void

bb14:                                             ; preds = %bb
  ret void
}