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
|
; RUN: opt < %s -jump-threading -S | FileCheck %s
; PR2285
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
%struct.system__secondary_stack__mark_id = type { i64, i64 }
define void @_ada_c35507b() {
entry:
br label %bb
bb: ; preds = %bb13, %entry
%ch.0 = phi i8 [ 0, %entry ], [ 0, %bb13 ] ; <i8> [#uses=1]
%tmp11 = icmp ugt i8 %ch.0, 31 ; <i1> [#uses=1]
%tmp120 = call %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark( ) ; <%struct.system__secondary_stack__mark_id> [#uses=1]
br i1 %tmp11, label %bb110, label %bb13
bb13: ; preds = %bb
br label %bb
bb110: ; preds = %bb
%mrv_gr124 = extractvalue %struct.system__secondary_stack__mark_id %tmp120, 1 ; <i64> [#uses=0]
unreachable
}
declare %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark()
define fastcc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind ssp {
entry:
br label %bb12
bb6.us:
%tmp = icmp eq i32 undef, undef
%tmp1 = fsub double undef, undef
%tmp2 = fcmp ult double %tmp1, 0.000000e+00
br i1 %tmp, label %bb6.us, label %bb13
bb12:
%tmp3 = fcmp ult double undef, 0.000000e+00
br label %bb13
bb13:
%.lcssa31 = phi double [ undef, %bb12 ], [ %tmp1, %bb6.us ]
%.lcssa30 = phi i1 [ %tmp3, %bb12 ], [ %tmp2, %bb6.us ]
br i1 %.lcssa30, label %bb15, label %bb61
bb15:
%tmp4 = fsub double -0.000000e+00, %.lcssa31
ret void
bb61:
ret void
}
; PR5258
define i32 @test(i1 %cond, i1 %cond2, i32 %a) {
A:
br i1 %cond, label %F, label %A1
F:
br label %A1
A1:
%d = phi i1 [false, %A], [true, %F]
%e = add i32 %a, %a
br i1 %d, label %B, label %G
G:
br i1 %cond2, label %B, label %D
B:
%f = phi i32 [%e, %G], [%e, %A1]
%b = add i32 0, 0
switch i32 %a, label %C [
i32 7, label %D
i32 8, label %D
i32 9, label %D
]
C:
br label %D
D:
%c = phi i32 [%e, %B], [%e, %B], [%e, %B], [%f, %C], [%e, %G]
ret i32 %c
E:
ret i32 412
}
define i32 @test2() nounwind {
entry:
br i1 true, label %decDivideOp.exit, label %bb7.i
bb7.i: ; preds = %bb7.i, %entry
br label %bb7.i
decDivideOp.exit: ; preds = %entry
ret i32 undef
}
; PR3298
define i32 @test3(i32 %p_79, i32 %p_80) nounwind {
entry:
br label %bb7
bb1: ; preds = %bb2
br label %bb2
bb2: ; preds = %bb7, %bb1
%l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3]
br i1 true, label %bb3, label %bb1
bb3: ; preds = %bb2
%0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %0, label %bb7, label %bb6
bb5: ; preds = %bb6
%1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb1.i, label %bb.i
bb.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
bb1.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i
br label %bb6
bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3
%p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2]
%2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1]
br i1 %2, label %bb7, label %bb5
bb7: ; preds = %bb6, %bb3, %entry
%l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2]
%p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4]
%3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %3, label %bb8, label %bb2
bb8: ; preds = %bb7
%4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0]
ret i32 0
}
; PR3353
define i32 @test4(i8 %X) {
entry:
%Y = add i8 %X, 1
%Z = add i8 %Y, 1
br label %bb33.i
bb33.i: ; preds = %bb33.i, %bb32.i
switch i8 %Y, label %bb32.i [
i8 39, label %bb35.split.i
i8 13, label %bb33.i
]
bb35.split.i:
ret i32 5
bb32.i:
ret i32 1
}
define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp {
entry:
br i1 %tmp, label %bb12, label %bb13
bb12:
br label %bb13
bb13:
%.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ]
%A = and i1 undef, undef
br i1 %A, label %bb15, label %bb61
bb15:
ret void
bb61:
ret void
}
; PR5640
define fastcc void @test6(i1 %tmp, i1 %tmp1) nounwind ssp {
entry:
br i1 %tmp, label %bb12, label %bb14
bb12:
br label %bb14
bb14:
%A = phi i1 [ %A, %bb13 ], [ true, %bb12 ], [%tmp1, %entry]
br label %bb13
bb13:
br i1 %A, label %bb14, label %bb61
bb61:
ret void
}
; PR5698
define void @test7(i32 %x) {
entry:
br label %tailrecurse
tailrecurse:
switch i32 %x, label %return [
i32 2, label %bb2
i32 3, label %bb
]
bb:
switch i32 %x, label %return [
i32 2, label %bb2
i32 3, label %tailrecurse
]
bb2:
ret void
return:
ret void
}
; PR6119
define i32 @test8(i32 %action) nounwind {
entry:
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%cmp103 = xor i1 undef, undef ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6119
define i32 @test9(i32 %action) nounwind {
entry:
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%0 = phi i1 [ undef, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp103 = xor i1 undef, %0 ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6119
define i32 @test10(i32 %action, i32 %type) nounwind {
entry:
%cmp2 = icmp eq i32 %type, 0 ; <i1> [#uses=1]
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
%cmp101 = icmp eq i32 %action, 2 ; <i1> [#uses=1]
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%0 = phi i1 [ %cmp101, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp103 = xor i1 %cmp2, %0 ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6305
define void @test11() nounwind {
entry:
br label %A
A: ; preds = %entry
call void undef(i64 ptrtoint (i8* blockaddress(@test11, %A) to i64)) nounwind
unreachable
}
; PR6743
define void @test12() nounwind ssp {
entry:
br label %lbl_51
lbl_51: ; preds = %if.then, %entry
%tmp3 = phi i1 [ false, %if.then ], [ undef, %entry ] ; <i1> [#uses=2]
br i1 %tmp3, label %if.end12, label %if.then
if.then: ; preds = %lbl_51
br i1 %tmp3, label %lbl_51, label %if.end12
if.end12: ; preds = %if.then, %lbl_51
ret void
}
; PR7356
define i32 @test13(i32* %P, i8* %Ptr) {
entry:
indirectbr i8* %Ptr, [label %BrBlock, label %B2]
B2:
store i32 4, i32 *%P
br label %BrBlock
BrBlock:
%L = load i32, i32* %P
%C = icmp eq i32 %L, 42
br i1 %C, label %T, label %F
T:
ret i32 123
F:
ret i32 1422
}
; PR7498
define void @test14() nounwind {
entry:
%cmp33 = icmp slt i8 undef, 0 ; <i1> [#uses=1]
%tobool = icmp eq i8 undef, 0 ; <i1> [#uses=1]
br i1 %tobool, label %land.end69, label %land.rhs
land.rhs: ; preds = %entry
br label %land.end69
land.end69: ; preds = %land.rhs, %entry
%0 = phi i1 [ undef, %land.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp71 = or i1 true, %0 ; <i1> [#uses=1]
%cmp73 = xor i1 %cmp33, %cmp71 ; <i1> [#uses=1]
br i1 %cmp73, label %if.then, label %if.end
if.then: ; preds = %land.end69
ret void
if.end: ; preds = %land.end69
ret void
}
; PR7647
define void @test15() nounwind {
entry:
ret void
if.then237:
br label %lbl_664
lbl_596: ; preds = %lbl_664, %for.end37
store volatile i64 undef, i64* undef, align 4
br label %for.cond111
for.cond111: ; preds = %safe_sub_func_int64_t_s_s.exit, %lbl_596
%storemerge = phi i8 [ undef, %cond.true.i100 ], [ 22, %lbl_596 ] ; <i8> [#uses=1]
%l_678.5 = phi i64 [ %l_678.3, %cond.true.i100 ], [ undef, %lbl_596 ] ; <i64> [#uses=2]
%cmp114 = icmp slt i8 %storemerge, -2 ; <i1> [#uses=1]
br i1 %cmp114, label %lbl_664, label %if.end949
lbl_664: ; preds = %for.end1058, %if.then237, %for.cond111
%l_678.3 = phi i64 [ %l_678.5, %for.cond111 ], [ %l_678.2, %for.cond1035 ], [ 5, %if.then237 ] ; <i64> [#uses=1]
%tobool118 = icmp eq i32 undef, 0 ; <i1> [#uses=1]
br i1 %tobool118, label %cond.true.i100, label %lbl_596
cond.true.i100: ; preds = %for.inc120
br label %for.cond111
lbl_709:
br label %if.end949
for.cond603: ; preds = %for.body607, %if.end336
br i1 undef, label %for.cond603, label %if.end949
if.end949: ; preds = %for.cond603, %lbl_709, %for.cond111
%l_678.2 = phi i64 [ %l_678.5, %for.cond111 ], [ undef, %lbl_709 ], [ 5, %for.cond603 ] ; <i64> [#uses=1]
br label %for.body1016
for.body1016: ; preds = %for.cond1012
br label %for.body1016
for.cond1035: ; preds = %for.inc1055, %if.then1026
br i1 undef, label %for.cond1040, label %lbl_664
for.cond1040: ; preds = %for.body1044, %for.cond1035
ret void
}
; PR7755
define void @test16(i1 %c, i1 %c2, i1 %c3, i1 %c4) nounwind ssp {
entry:
%cmp = icmp sgt i32 undef, 1 ; <i1> [#uses=1]
br i1 %c, label %land.end, label %land.rhs
land.rhs: ; preds = %entry
br i1 %c2, label %lor.lhs.false.i, label %land.end
lor.lhs.false.i: ; preds = %land.rhs
br i1 %c3, label %land.end, label %land.end
land.end:
%0 = phi i1 [ true, %entry ], [ false, %land.rhs ], [false, %lor.lhs.false.i], [false, %lor.lhs.false.i] ; <i1> [#uses=1]
%cmp12 = and i1 %cmp, %0
%xor1 = xor i1 %cmp12, %c4
br i1 %xor1, label %if.then, label %if.end
if.then:
ret void
if.end:
ret void
}
define void @test17() {
entry:
br i1 undef, label %bb269.us.us, label %bb269.us.us.us
bb269.us.us.us:
%indvar = phi i64 [ %indvar.next, %bb287.us.us.us ], [ 0, %entry ]
%0 = icmp eq i16 undef, 0
br i1 %0, label %bb287.us.us.us, label %bb286.us.us.us
bb287.us.us.us:
%indvar.next = add i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, 4
br i1 %exitcond, label %bb288.bb289.loopexit_crit_edge, label %bb269.us.us.us
bb286.us.us.us:
unreachable
bb269.us.us:
unreachable
bb288.bb289.loopexit_crit_edge:
unreachable
}
; PR 8247
%struct.S1 = type { i8, i8 }
@func_89.l_245 = internal constant %struct.S1 { i8 33, i8 6 }, align 1
define void @func_89(i16 zeroext %p_90, %struct.S1* nocapture %p_91, i32* nocapture %p_92) nounwind ssp {
entry:
store i32 0, i32* %p_92, align 4
br i1 false, label %lbl_260, label %if.else
if.else: ; preds = %entry
br label %for.cond
for.cond: ; preds = %lbl_260, %if.else
%l_245.0 = phi i16 [ %l_245.1, %lbl_260 ], [ 33, %if.else ]
%l_261.0 = phi i32 [ %and, %lbl_260 ], [ 255, %if.else ]
%tobool21 = icmp ult i16 %l_245.0, 256
br i1 %tobool21, label %if.end, label %lbl_260
lbl_260: ; preds = %for.cond, %entry
%l_245.1 = phi i16 [ 1569, %entry ], [ %l_245.0, %for.cond ]
%l_261.1 = phi i32 [ 255, %entry ], [ %l_261.0, %for.cond ]
%and = and i32 %l_261.1, 1
br label %for.cond
if.end: ; preds = %for.cond
ret void
}
define void @PR14233(i1 %cmp, i1 %cmp2, i1 %cmp3, i1 %cmp4) {
entry:
br i1 %cmp, label %cond.true, label %cond.false
cond.true:
br label %if.end
cond.false:
br label %if.end
if.end:
%A = phi i64 [ 0, %cond.true ], [ 1, %cond.false ]
br i1 %cmp2, label %bb, label %if.end2
bb:
br label %if.end2
if.end2:
%B = phi i64 [ ptrtoint (i8* ()* @PR14233.f1 to i64), %bb ], [ %A, %if.end ]
%cmp.ptr = icmp eq i64 %B, ptrtoint (i8* ()* @PR14233.f2 to i64)
br i1 %cmp.ptr, label %cond.true2, label %if.end3
cond.true2:
br i1 %cmp3, label %bb2, label %ur
bb2:
br i1 %cmp4, label %if.end4, label %if.end3
if.end4:
unreachable
if.end3:
%cmp.ptr2 = icmp eq i64 %B, ptrtoint (i8* ()* @PR14233.f2 to i64)
br i1 %cmp.ptr2, label %ur, label %if.then601
if.then601:
%C = icmp eq i64 %B, 0
br i1 %C, label %bb3, label %bb4
bb3:
unreachable
bb4:
unreachable
ur:
unreachable
}
declare i8* @PR14233.f1()
declare i8* @PR14233.f2()
; Make sure the following compiles in a sane amount of time, as opposed
; to taking exponential time.
; (CHECK to make sure the condition doesn't get simplified somehow;
; if it does, the testcase will need to be revised.)
; CHECK-LABEL: define void @almost_infinite_loop
; CHECK: %x39 = or i1 %x38, %x38
; CHECK: br i1 %x39, label %dest1, label %dest2
define void @almost_infinite_loop(i1 %x0) {
entry:
br label %if.then57.i
if.then57.i:
%x1 = or i1 %x0, %x0
%x2 = or i1 %x1, %x1
%x3 = or i1 %x2, %x2
%x4 = or i1 %x3, %x3
%x5 = or i1 %x4, %x4
%x6 = or i1 %x5, %x5
%x7 = or i1 %x6, %x6
%x8 = or i1 %x7, %x7
%x9 = or i1 %x8, %x8
%x10 = or i1 %x9, %x9
%x11 = or i1 %x10, %x10
%x12 = or i1 %x11, %x11
%x13 = or i1 %x12, %x12
%x14 = or i1 %x13, %x13
%x15 = or i1 %x14, %x14
%x16 = or i1 %x15, %x15
%x17 = or i1 %x16, %x16
%x18 = or i1 %x17, %x17
%x19 = or i1 %x18, %x18
%x20 = or i1 %x19, %x19
%x21 = or i1 %x20, %x20
%x22 = or i1 %x21, %x21
%x23 = or i1 %x22, %x22
%x24 = or i1 %x23, %x23
%x25 = or i1 %x24, %x24
%x26 = or i1 %x25, %x25
%x27 = or i1 %x26, %x26
%x28 = or i1 %x27, %x27
%x29 = or i1 %x28, %x28
%x30 = or i1 %x29, %x29
%x31 = or i1 %x30, %x30
%x32 = or i1 %x31, %x31
%x33 = or i1 %x32, %x32
%x34 = or i1 %x33, %x33
%x35 = or i1 %x34, %x34
%x36 = or i1 %x35, %x35
%x37 = or i1 %x36, %x36
%x38 = or i1 %x37, %x37
%x39 = or i1 %x38, %x38
br i1 %x39, label %dest1, label %dest2
dest1:
unreachable
dest2:
unreachable
}
|
