ragreedy-hoist-spill.ll
24 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-apple-macosx -regalloc=greedy | FileCheck %s
; This testing case is reduced from 254.gap SyFgets function.
; We make sure a spill is hoisted to a cold BB inside the hotter outer loop.
%struct.TMP.1 = type { %struct.TMP.2*, %struct.TMP.2*, [1024 x i8] }
%struct.TMP.2 = type { i8*, i32, i32, i16, i16, %struct.TMP.3, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.TMP.3, %struct.TMP.4*, i32, [3 x i8], [1 x i8], %struct.TMP.3, i32, i64 }
%struct.TMP.4 = type opaque
%struct.TMP.3 = type { i8*, i32 }
@syBuf = external global [16 x %struct.TMP.1], align 16
@syHistory = external global [8192 x i8], align 16
@SyFgets.yank = external global [512 x i8], align 16
@syCTRO = external global i32, align 4
define i8* @SyFgets(i8* %line, i64 %length, i64 %fid) {
; CHECK-LABEL: SyFgets:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: .cfi_def_cfa_offset 24
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: .cfi_def_cfa_offset 32
; CHECK-NEXT: pushq %r13
; CHECK-NEXT: .cfi_def_cfa_offset 40
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: .cfi_def_cfa_offset 48
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: .cfi_def_cfa_offset 56
; CHECK-NEXT: subq $552, %rsp ## imm = 0x228
; CHECK-NEXT: .cfi_def_cfa_offset 608
; CHECK-NEXT: .cfi_offset %rbx, -56
; CHECK-NEXT: .cfi_offset %r12, -48
; CHECK-NEXT: .cfi_offset %r13, -40
; CHECK-NEXT: .cfi_offset %r14, -32
; CHECK-NEXT: .cfi_offset %r15, -24
; CHECK-NEXT: .cfi_offset %rbp, -16
; CHECK-NEXT: movq %rdx, %rax
; CHECK-NEXT: orq $2, %rax
; CHECK-NEXT: cmpq $2, %rax
; CHECK-NEXT: jne LBB0_4
; CHECK-NEXT: ## %bb.1: ## %if.end
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: jne LBB0_5
; CHECK-NEXT: ## %bb.2: ## %if.then4
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: je LBB0_55
; CHECK-NEXT: ## %bb.3: ## %SyTime.exit
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: je LBB0_55
; CHECK-NEXT: LBB0_4: ## %cleanup
; CHECK-NEXT: addq $552, %rsp ## imm = 0x228
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r13
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: retq
; CHECK-NEXT: LBB0_5: ## %if.end25
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: je LBB0_55
; CHECK-NEXT: ## %bb.6: ## %SyTime.exit2720
; CHECK-NEXT: movq %rdx, %rbx
; CHECK-NEXT: movq %rdi, %r14
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rcx
; CHECK-NEXT: cmpq %rax, %rcx
; CHECK-NEXT: jae LBB0_8
; CHECK-NEXT: ## %bb.7: ## %for.body.lr.ph
; CHECK-NEXT: movl $512, %edx ## imm = 0x200
; CHECK-NEXT: movl $32, %esi
; CHECK-NEXT: callq _memset
; CHECK-NEXT: LBB0_8: ## %while.body.preheader
; CHECK-NEXT: imulq $1040, %rbx, %rax ## imm = 0x410
; CHECK-NEXT: movq _syBuf@{{.*}}(%rip), %rcx
; CHECK-NEXT: leaq 8(%rcx,%rax), %rax
; CHECK-NEXT: movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill
; CHECK-NEXT: movl $1, %r15d
; CHECK-NEXT: movq _syCTRO@{{.*}}(%rip), %rax
; CHECK-NEXT: movb $1, %cl
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_9: ## %do.body
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl $0, (%rax)
; CHECK-NEXT: testb %cl, %cl
; CHECK-NEXT: jne LBB0_9
; CHECK-NEXT: ## %bb.10: ## %do.end
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: testb %bpl, %bpl
; CHECK-NEXT: jne LBB0_11
; CHECK-NEXT: ## %bb.12: ## %while.body200.preheader
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: leaq {{.*}}(%rip), %r13
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%r{{[sb]}}p) ## 4-byte Folded Spill
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: movq %r14, {{[-0-9]+}}(%r{{[sb]}}p) ## 8-byte Spill
; CHECK-NEXT: jmp LBB0_13
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_20: ## %sw.bb256
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movl %ebp, %r12d
; CHECK-NEXT: LBB0_21: ## %while.cond197.backedge
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: decl %r15d
; CHECK-NEXT: testl %r15d, %r15d
; CHECK-NEXT: movl %r12d, %ebp
; CHECK-NEXT: jle LBB0_22
; CHECK-NEXT: LBB0_13: ## %while.body200
; CHECK-NEXT: ## =>This Loop Header: Depth=1
; CHECK-NEXT: ## Child Loop BB0_29 Depth 2
; CHECK-NEXT: ## Child Loop BB0_38 Depth 2
; CHECK-NEXT: leal -268(%rbp), %eax
; CHECK-NEXT: cmpl $105, %eax
; CHECK-NEXT: ja LBB0_14
; CHECK-NEXT: ## %bb.56: ## %while.body200
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movslq (%r13,%rax,4), %rax
; CHECK-NEXT: addq %r13, %rax
; CHECK-NEXT: jmpq *%rax
; CHECK-NEXT: LBB0_44: ## %while.cond1037.preheader
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: movl %ebp, %r12d
; CHECK-NEXT: jne LBB0_21
; CHECK-NEXT: jmp LBB0_55
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_14: ## %while.body200
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: leal 1(%rbp), %eax
; CHECK-NEXT: cmpl $21, %eax
; CHECK-NEXT: ja LBB0_20
; CHECK-NEXT: ## %bb.15: ## %while.body200
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movl $-1, %r12d
; CHECK-NEXT: leaq {{.*}}(%rip), %rcx
; CHECK-NEXT: movslq (%rcx,%rax,4), %rax
; CHECK-NEXT: addq %rcx, %rax
; CHECK-NEXT: jmpq *%rax
; CHECK-NEXT: LBB0_18: ## %while.cond201.preheader
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movl $1, %r12d
; CHECK-NEXT: jmp LBB0_21
; CHECK-NEXT: LBB0_26: ## %sw.bb474
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: ## implicit-def: $r14
; CHECK-NEXT: jne LBB0_34
; CHECK-NEXT: ## %bb.27: ## %do.body479.preheader
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: ## implicit-def: $r14
; CHECK-NEXT: jne LBB0_34
; CHECK-NEXT: ## %bb.28: ## %land.rhs485.preheader
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: ## implicit-def: $rax
; CHECK-NEXT: jmp LBB0_29
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_32: ## %do.body479.backedge
; CHECK-NEXT: ## in Loop: Header=BB0_29 Depth=2
; CHECK-NEXT: leaq 1(%r14), %rax
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: je LBB0_33
; CHECK-NEXT: LBB0_29: ## %land.rhs485
; CHECK-NEXT: ## Parent Loop BB0_13 Depth=1
; CHECK-NEXT: ## => This Inner Loop Header: Depth=2
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: js LBB0_55
; CHECK-NEXT: ## %bb.30: ## %cond.true.i.i2780
; CHECK-NEXT: ## in Loop: Header=BB0_29 Depth=2
; CHECK-NEXT: movq %rax, %r14
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne LBB0_32
; CHECK-NEXT: ## %bb.31: ## %lor.rhs500
; CHECK-NEXT: ## in Loop: Header=BB0_29 Depth=2
; CHECK-NEXT: movl $256, %esi ## imm = 0x100
; CHECK-NEXT: callq ___maskrune
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne LBB0_32
; CHECK-NEXT: jmp LBB0_34
; CHECK-NEXT: LBB0_45: ## %sw.bb1134
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rcx
; CHECK-NEXT: cmpq %rax, %rcx
; CHECK-NEXT: jb LBB0_55
; CHECK-NEXT: ## %bb.46: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%r{{[sb]}}p) ## 4-byte Folded Spill
; CHECK-NEXT: movl $268, %r12d ## imm = 0x10C
; CHECK-NEXT: jmp LBB0_21
; CHECK-NEXT: LBB0_40: ## %sw.bb566
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movl $20, %r12d
; CHECK-NEXT: jmp LBB0_21
; CHECK-NEXT: LBB0_19: ## %sw.bb243
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movl $2, %r12d
; CHECK-NEXT: jmp LBB0_21
; CHECK-NEXT: LBB0_33: ## %if.end517.loopexitsplit
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: incq %r14
; CHECK-NEXT: LBB0_34: ## %if.end517
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: leal -324(%r12), %eax
; CHECK-NEXT: cmpl $59, %eax
; CHECK-NEXT: ja LBB0_35
; CHECK-NEXT: ## %bb.57: ## %if.end517
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movabsq $576460756598390785, %rcx ## imm = 0x800000100000001
; CHECK-NEXT: btq %rax, %rcx
; CHECK-NEXT: jb LBB0_38
; CHECK-NEXT: LBB0_35: ## %if.end517
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: cmpl $11, %r12d
; CHECK-NEXT: je LBB0_38
; CHECK-NEXT: ## %bb.36: ## %if.end517
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: cmpl $24, %r12d
; CHECK-NEXT: je LBB0_38
; CHECK-NEXT: ## %bb.37: ## %if.then532
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: movq _SyFgets.yank@{{.*}}(%rip), %rax
; CHECK-NEXT: movb $0, (%rax)
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_38: ## %for.cond534
; CHECK-NEXT: ## Parent Loop BB0_13 Depth=1
; CHECK-NEXT: ## => This Inner Loop Header: Depth=2
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne LBB0_38
; CHECK-NEXT: ## %bb.39: ## %for.cond542.preheader
; CHECK-NEXT: ## in Loop: Header=BB0_13 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: movb $0, (%r14)
; CHECK-NEXT: movl %ebp, %r12d
; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %r14 ## 8-byte Reload
; CHECK-NEXT: jmp LBB0_21
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_42: ## %while.cond864
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp LBB0_42
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_43: ## %while.cond962
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp LBB0_43
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_25: ## %for.cond357
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp LBB0_25
; CHECK-NEXT: LBB0_11:
; CHECK-NEXT: movl $0, {{[-0-9]+}}(%r{{[sb]}}p) ## 4-byte Folded Spill
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: LBB0_22: ## %while.end1465
; CHECK-NEXT: incl %r12d
; CHECK-NEXT: cmpl $16, %r12d
; CHECK-NEXT: ja LBB0_50
; CHECK-NEXT: ## %bb.23: ## %while.end1465
; CHECK-NEXT: movl $83969, %eax ## imm = 0x14801
; CHECK-NEXT: btl %r12d, %eax
; CHECK-NEXT: jae LBB0_50
; CHECK-NEXT: ## %bb.24:
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: LBB0_48: ## %if.then1477
; CHECK-NEXT: movl $1, %edx
; CHECK-NEXT: callq _write
; CHECK-NEXT: subq %rbx, %r14
; CHECK-NEXT: movq _syHistory@{{.*}}(%rip), %rax
; CHECK-NEXT: leaq 8189(%r14,%rax), %rax
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_49: ## %for.body1723
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: decq %rax
; CHECK-NEXT: jmp LBB0_49
; CHECK-NEXT: LBB0_47: ## %if.then1477.loopexit
; CHECK-NEXT: movq %r14, %rbx
; CHECK-NEXT: jmp LBB0_48
; CHECK-NEXT: LBB0_16: ## %while.cond635.preheader
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: je LBB0_41
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_17: ## %for.body643.us
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp LBB0_17
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: LBB0_41: ## %while.cond661
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp LBB0_41
; CHECK-NEXT: LBB0_50: ## %for.cond1480.preheader
; CHECK-NEXT: movl $512, %eax ## imm = 0x200
; CHECK-NEXT: cmpq %rax, %rax
; CHECK-NEXT: jae LBB0_55
; CHECK-NEXT: ## %bb.51: ## %for.body1664.lr.ph
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: jne LBB0_54
; CHECK-NEXT: ## %bb.52: ## %while.body1679.preheader
; CHECK-NEXT: incl {{[-0-9]+}}(%r{{[sb]}}p) ## 4-byte Folded Spill
; CHECK-NEXT: LBB0_53: ## %while.body1679
; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movq {{[-0-9]+}}(%r{{[sb]}}p), %rax ## 8-byte Reload
; CHECK-NEXT: movq (%rax), %rdi
; CHECK-NEXT: callq _fileno
; CHECK-NEXT: movslq {{[-0-9]+}}(%r{{[sb]}}p), %rax ## 4-byte Folded Reload
; CHECK-NEXT: leal 1(%rax), %ecx
; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%r{{[sb]}}p) ## 4-byte Spill
; CHECK-NEXT: cmpq %rax, %rax
; CHECK-NEXT: jl LBB0_53
; CHECK-NEXT: LBB0_54: ## %while.cond1683.preheader
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: LBB0_55: ## %if.then.i
; CHECK-NEXT: ud2
entry:
%sub.ptr.rhs.cast646 = ptrtoint i8* %line to i64
%old = alloca [512 x i8], align 16
%0 = getelementptr inbounds [512 x i8], [512 x i8]* %old, i64 0, i64 0
switch i64 %fid, label %if.then [
i64 2, label %if.end
i64 0, label %if.end
]
if.then:
br label %cleanup
if.end:
switch i64 undef, label %if.end25 [
i64 0, label %if.then4
i64 1, label %if.end25
]
if.then4:
br i1 undef, label %SyTime.exit, label %if.then.i
if.then.i:
unreachable
SyTime.exit:
br i1 undef, label %SyTime.exit2681, label %if.then.i2673
if.then.i2673:
unreachable
SyTime.exit2681:
br label %cleanup
land.lhs.true14:
unreachable
if.end25:
br i1 undef, label %SyTime.exit2720, label %if.then.i2712
if.then.i2712:
unreachable
SyTime.exit2720:
%add.ptr = getelementptr [512 x i8], [512 x i8]* %old, i64 0, i64 512
%cmp293427 = icmp ult i8* %0, %add.ptr
br i1 %cmp293427, label %for.body.lr.ph, label %while.body.preheader
for.body.lr.ph:
call void @llvm.memset.p0i8.i64(i8* align 16 undef, i8 32, i64 512, i1 false)
br label %while.body.preheader
while.body.preheader:
%add.ptr1603 = getelementptr [512 x i8], [512 x i8]* null, i64 0, i64 512
%echo.i3101 = getelementptr [16 x %struct.TMP.1], [16 x %struct.TMP.1]* @syBuf, i64 0, i64 %fid, i32 1
%1 = xor i64 %sub.ptr.rhs.cast646, -1
br label %do.body
do.body:
%ch2.0 = phi i32 [ 0, %while.body.preheader ], [ %ch.12.ch2.12, %do.body ]
%rep.0 = phi i32 [ 1, %while.body.preheader ], [ %rep.6, %do.body ]
store i32 0, i32* @syCTRO, align 4, !tbaa !1
%ch.0.ch2.0 = select i1 undef, i32 14, i32 %ch2.0
%ch2.2 = select i1 undef, i32 0, i32 %ch.0.ch2.0
%ch.2.ch2.2 = select i1 undef, i32 0, i32 %ch2.2
%ch2.4 = select i1 undef, i32 278, i32 %ch.2.ch2.2
%ch2.5 = select i1 undef, i32 0, i32 %ch2.4
%rep.2 = select i1 undef, i32 undef, i32 %rep.0
%ch.5.ch2.5 = select i1 undef, i32 undef, i32 %ch2.5
%ch2.7 = select i1 undef, i32 0, i32 %ch.5.ch2.5
%rep.3 = select i1 undef, i32 undef, i32 %rep.2
%ch.7.ch2.7 = select i1 false, i32 0, i32 %ch2.7
%mul98.rep.3 = select i1 false, i32 0, i32 %rep.3
%ch2.9 = select i1 undef, i32 undef, i32 %ch.7.ch2.7
%rep.5 = select i1 undef, i32 undef, i32 %mul98.rep.3
%ch2.10 = select i1 false, i32 undef, i32 %ch2.9
%rep.6 = select i1 false, i32 undef, i32 %rep.5
%isdigittmp = add i32 %ch2.10, -48
%isdigit = icmp ult i32 %isdigittmp, 10
%cmp119 = icmp eq i32 undef, 22
%or.cond1875 = and i1 %isdigit, %cmp119
%ch.10.ch2.10 = select i1 %or.cond1875, i32 undef, i32 %ch2.10
%.ch.10 = select i1 %or.cond1875, i32 0, i32 undef
%ch2.12 = select i1 undef, i32 %.ch.10, i32 %ch.10.ch2.10
%ch.12 = select i1 undef, i32 0, i32 %.ch.10
%ch.12.ch2.12 = select i1 false, i32 %ch.12, i32 %ch2.12
%.ch.12 = select i1 false, i32 0, i32 %ch.12
%cmp147 = icmp eq i32 %.ch.12, 0
br i1 %cmp147, label %do.body, label %do.end
do.end:
%cmp164 = icmp eq i32 %ch.12.ch2.12, 21
%mul167 = shl i32 %rep.6, 2
%rep.8 = select i1 %cmp164, i32 %mul167, i32 %rep.6
%..ch.19 = select i1 false, i32 2, i32 0
br i1 undef, label %while.body200, label %while.end1465
while.body200:
%dec3386.in = phi i32 [ %dec3386, %while.cond197.backedge ], [ %rep.8, %do.end ]
%oldc.13384 = phi i32 [ %oldc.1.be, %while.cond197.backedge ], [ 0, %do.end ]
%ch.213379 = phi i32 [ %last.1.be, %while.cond197.backedge ], [ %..ch.19, %do.end ]
%last.13371 = phi i32 [ %last.1.be, %while.cond197.backedge ], [ 0, %do.end ]
%dec3386 = add i32 %dec3386.in, -1
switch i32 %ch.213379, label %sw.default [
i32 1, label %while.cond201.preheader
i32 322, label %sw.bb206
i32 354, label %sw.bb206
i32 2, label %sw.bb243
i32 364, label %sw.bb1077
i32 326, label %sw.bb256
i32 358, label %sw.bb256
i32 341, label %sw.bb979
i32 323, label %while.cond1037.preheader
i32 373, label %sw.bb979
i32 4, label %if.then1477
i32 332, label %sw.bb1077
i32 11, label %for.cond357
i32 355, label %while.cond1037.preheader
i32 324, label %sw.bb474
i32 356, label %sw.bb474
i32 20, label %sw.bb566
i32 -1, label %while.cond197.backedge
i32 268, label %sw.bb1134
i32 16, label %while.cond635.preheader
i32 18, label %sw.bb956
i32 316, label %while.cond864
]
while.cond1037.preheader:
%cmp10393273 = icmp eq i8 undef, 0
br i1 %cmp10393273, label %if.end1070, label %land.rhs1041
while.cond635.preheader:
br i1 undef, label %for.body643.us, label %while.cond661
for.body643.us:
br label %for.body643.us
while.cond201.preheader:
%umax = select i1 false, i64 undef, i64 %1
%2 = xor i64 %umax, -1
%3 = inttoptr i64 %2 to i8*
br label %while.cond197.backedge
sw.bb206:
br label %while.cond197.backedge
sw.bb243:
br label %while.cond197.backedge
sw.bb256:
br label %while.cond197.backedge
while.cond197.backedge:
%last.1.be = phi i32 [ %ch.213379, %sw.default ], [ -1, %while.body200 ], [ %ch.213379, %sw.bb1077 ], [ %ch.213379, %sw.bb979 ], [ 18, %sw.bb956 ], [ 20, %sw.bb566 ], [ %ch.213379, %for.end552 ], [ %ch.213379, %sw.bb256 ], [ 2, %sw.bb243 ], [ 1, %while.cond201.preheader ], [ 268, %for.cond1145.preheader ], [ %ch.213379, %sw.bb206 ]
%oldc.1.be = phi i32 [ %oldc.13384, %sw.default ], [ %oldc.13384, %while.body200 ], [ %oldc.13384, %sw.bb1077 ], [ %oldc.13384, %sw.bb979 ], [ %oldc.13384, %sw.bb956 ], [ %oldc.13384, %sw.bb566 ], [ %oldc.13384, %for.end552 ], [ %oldc.13384, %sw.bb256 ], [ %oldc.13384, %sw.bb243 ], [ %oldc.13384, %while.cond201.preheader ], [ 0, %for.cond1145.preheader ], [ %oldc.13384, %sw.bb206 ]
%cmp198 = icmp sgt i32 %dec3386, 0
br i1 %cmp198, label %while.body200, label %while.end1465
for.cond357:
br label %for.cond357
sw.bb474:
; spill is hoisted here. Although loop depth1 is even hotter than loop depth2, sw.bb474 is still cold.
%cmp476 = icmp eq i8 undef, 0
br i1 %cmp476, label %if.end517, label %do.body479.preheader
do.body479.preheader:
%cmp4833314 = icmp eq i8 undef, 0
br i1 %cmp4833314, label %if.end517, label %land.rhs485
land.rhs485:
%incdec.ptr4803316 = phi i8* [ %incdec.ptr480, %do.body479.backedge.land.rhs485_crit_edge ], [ undef, %do.body479.preheader ]
%isascii.i.i27763151 = icmp sgt i8 undef, -1
br i1 %isascii.i.i27763151, label %cond.true.i.i2780, label %cond.false.i.i2782
cond.true.i.i2780:
br i1 undef, label %land.lhs.true490, label %lor.rhs500
cond.false.i.i2782:
unreachable
land.lhs.true490:
br i1 false, label %lor.rhs500, label %do.body479.backedge
lor.rhs500:
; Make sure spill is hoisted to a cold preheader in outside loop.
%call3.i.i2792 = call i32 @__maskrune(i32 undef, i64 256)
br i1 undef, label %land.lhs.true504, label %do.body479.backedge
land.lhs.true504:
br i1 undef, label %do.body479.backedge, label %if.end517
do.body479.backedge:
%incdec.ptr480 = getelementptr i8, i8* %incdec.ptr4803316, i64 1
%cmp483 = icmp eq i8 undef, 0
br i1 %cmp483, label %if.end517, label %do.body479.backedge.land.rhs485_crit_edge
do.body479.backedge.land.rhs485_crit_edge:
br label %land.rhs485
if.end517:
%q.4 = phi i8* [ undef, %sw.bb474 ], [ undef, %do.body479.preheader ], [ %incdec.ptr480, %do.body479.backedge ], [ %incdec.ptr4803316, %land.lhs.true504 ]
switch i32 %last.13371, label %if.then532 [
i32 383, label %for.cond534
i32 356, label %for.cond534
i32 324, label %for.cond534
i32 24, label %for.cond534
i32 11, label %for.cond534
]
if.then532:
store i8 0, i8* getelementptr inbounds ([512 x i8], [512 x i8]* @SyFgets.yank, i64 0, i64 0), align 16, !tbaa !5
br label %for.cond534
for.cond534:
%cmp536 = icmp eq i8 undef, 0
br i1 %cmp536, label %for.cond542.preheader, label %for.cond534
for.cond542.preheader:
br i1 undef, label %for.body545, label %for.end552
for.body545:
br i1 undef, label %for.end552, label %for.body545
for.end552:
%s.2.lcssa = phi i8* [ undef, %for.cond542.preheader ], [ %q.4, %for.body545 ]
%sub.ptr.lhs.cast553 = ptrtoint i8* %s.2.lcssa to i64
%sub.ptr.sub555 = sub i64 %sub.ptr.lhs.cast553, 0
%arrayidx556 = getelementptr i8, i8* null, i64 %sub.ptr.sub555
store i8 0, i8* %arrayidx556, align 1, !tbaa !5
br label %while.cond197.backedge
sw.bb566:
br label %while.cond197.backedge
while.cond661:
br label %while.cond661
while.cond864:
br label %while.cond864
sw.bb956:
br i1 undef, label %if.then959, label %while.cond197.backedge
if.then959:
br label %while.cond962
while.cond962:
br label %while.cond962
sw.bb979:
br label %while.cond197.backedge
land.rhs1041:
unreachable
if.end1070:
br label %sw.bb1077
sw.bb1077:
br label %while.cond197.backedge
sw.bb1134:
br i1 false, label %for.body1139, label %for.cond1145.preheader
for.cond1145.preheader:
br i1 %cmp293427, label %for.body1150.lr.ph, label %while.cond197.backedge
for.body1150.lr.ph:
unreachable
for.body1139:
unreachable
sw.default:
br label %while.cond197.backedge
while.end1465:
%oldc.1.lcssa = phi i32 [ 0, %do.end ], [ %oldc.1.be, %while.cond197.backedge ]
%ch.21.lcssa = phi i32 [ %..ch.19, %do.end ], [ %last.1.be, %while.cond197.backedge ]
switch i32 %ch.21.lcssa, label %for.cond1480.preheader [
i32 -1, label %if.then1477
i32 15, label %if.then1477
i32 13, label %if.then1477
i32 10, label %if.then1477
]
for.cond1480.preheader:
br i1 undef, label %for.body1606.lr.ph, label %for.end1609
if.then1477:
%p.1.lcssa3539 = phi i8* [ null, %while.end1465 ], [ null, %while.end1465 ], [ null, %while.end1465 ], [ null, %while.end1465 ], [ %line, %while.body200 ]
%call1.i3057 = call i64 @"\01_write"(i32 undef, i8* undef, i64 1)
%sub.ptr.lhs.cast1717 = ptrtoint i8* %p.1.lcssa3539 to i64
%sub.ptr.sub1719 = sub i64 %sub.ptr.lhs.cast1717, %sub.ptr.rhs.cast646
%idx.neg1727 = sub i64 0, %sub.ptr.sub1719
br label %for.body1723
for.body1606.lr.ph:
br label %for.end1609
for.end1609:
br i1 undef, label %for.cond1659.preheader, label %land.lhs.true1614
land.lhs.true1614:
br label %for.cond1659.preheader
for.cond1659.preheader:
%cmp16623414 = icmp ult i8* undef, %add.ptr1603
br i1 %cmp16623414, label %for.body1664.lr.ph, label %while.body1703.lr.ph
for.body1664.lr.ph:
%cmp16773405 = icmp slt i64 undef, undef
br i1 %cmp16773405, label %while.body1679, label %while.cond1683.preheader
while.body1703.lr.ph:
unreachable
while.cond1683.preheader:
br i1 undef, label %while.body1691, label %while.end1693
while.body1679:
%oldc.43406 = phi i32 [ %inc, %syEchoch.exit3070 ], [ %oldc.1.lcssa, %for.body1664.lr.ph ]
%4 = load %struct.TMP.2*, %struct.TMP.2** %echo.i3101, align 8, !tbaa !6
%call.i3062 = call i32 @fileno(%struct.TMP.2* %4)
br i1 undef, label %if.then.i3069, label %syEchoch.exit3070
if.then.i3069:
br label %syEchoch.exit3070
syEchoch.exit3070:
%inc = add i32 %oldc.43406, 1
%conv1672 = sext i32 %inc to i64
%cmp1677 = icmp slt i64 %conv1672, undef
br i1 %cmp1677, label %while.body1679, label %while.cond1683.preheader
while.body1691:
unreachable
while.end1693:
unreachable
for.body1723:
%q.303203 = phi i8* [ getelementptr inbounds ([8192 x i8], [8192 x i8]* @syHistory, i64 0, i64 8189), %if.then1477 ], [ %incdec.ptr1730, %for.body1723 ]
%add.ptr1728 = getelementptr i8, i8* %q.303203, i64 %idx.neg1727
%5 = load i8, i8* %add.ptr1728, align 1, !tbaa !5
%incdec.ptr1730 = getelementptr i8, i8* %q.303203, i64 -1
br label %for.body1723
cleanup:
ret i8* undef
}
declare i32 @fileno(%struct.TMP.2* nocapture)
declare i64 @"\01_write"(i32, i8*, i64)
declare i32 @__maskrune(i32, i64)
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1)
!llvm.ident = !{!0}
!0 = !{!"clang version 3.5.0 (trunk 204257)"}
!1 = !{!2, !2, i64 0}
!2 = !{!"int", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}
!5 = !{!3, !3, i64 0}
!6 = !{!7, !8, i64 8}
!7 = !{!"", !8, i64 0, !8, i64 8, !3, i64 16}
!8 = !{!"any pointer", !3, i64 0}