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
|
; RUN: opt < %s -S -indvars -verify-scev
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-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
define void @test1() nounwind uwtable ssp {
entry:
br i1 undef, label %for.end, label %for.body
for.body: ; preds = %for.body, %entry
br i1 false, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
br i1 undef, label %for.end11, label %for.body3
for.body3: ; preds = %for.end
unreachable
for.end11: ; preds = %for.end
br i1 undef, label %while.body, label %while.end
while.body: ; preds = %for.end11
unreachable
while.end: ; preds = %for.end11
br i1 undef, label %if.end115, label %for.cond109
for.cond109: ; preds = %while.end
unreachable
if.end115: ; preds = %while.end
br i1 undef, label %while.body119.lr.ph.lr.ph, label %for.cond612
while.body119.lr.ph.lr.ph: ; preds = %if.end115
br i1 undef, label %for.cond612, label %if.end123.us
if.end123.us: ; preds = %while.body119.lr.ph.lr.ph
br label %for.cond132.us
for.cond132.us: ; preds = %for.cond132.us, %if.end123.us
br i1 undef, label %if.then136.us, label %for.cond132.us
if.then136.us: ; preds = %for.cond132.us
br i1 undef, label %while.end220, label %while.body211
while.body211: ; preds = %while.body211, %if.then136.us
br i1 undef, label %while.end220, label %while.body211
while.end220: ; preds = %while.body211, %if.then136.us
br label %for.cond246.outer
for.cond246.outer: ; preds = %for.inc558, %for.cond394.preheader, %if.then274, %for.cond404.preheader, %while.end220
br label %for.cond246
for.cond246: ; preds = %for.cond372.loopexit, %for.cond246.outer
br i1 undef, label %for.end562, label %if.end250
if.end250: ; preds = %for.cond246
br i1 undef, label %if.end256, label %for.end562
if.end256: ; preds = %if.end250
%cmp272 = icmp eq i32 undef, undef
br i1 %cmp272, label %if.then274, label %for.cond404.preheader
for.cond404.preheader: ; preds = %if.end256
br i1 undef, label %for.cond246.outer, label %for.body409.lr.ph
for.body409.lr.ph: ; preds = %for.cond404.preheader
br label %for.body409
if.then274: ; preds = %if.end256
br i1 undef, label %for.cond246.outer, label %if.end309
if.end309: ; preds = %if.then274
br i1 undef, label %for.cond372.loopexit, label %for.body361
for.body361: ; preds = %for.body361, %if.end309
br i1 undef, label %for.cond372.loopexit, label %for.body361
for.cond372.loopexit: ; preds = %for.body361, %if.end309
br i1 undef, label %for.cond394.preheader, label %for.cond246
for.cond394.preheader: ; preds = %for.cond372.loopexit
br i1 undef, label %for.cond246.outer, label %for.body397
for.body397: ; preds = %for.cond394.preheader
unreachable
for.body409: ; preds = %for.inc558, %for.body409.lr.ph
%k.029 = phi i32 [ 1, %for.body409.lr.ph ], [ %inc559, %for.inc558 ]
br i1 undef, label %if.then412, label %if.else433
if.then412: ; preds = %for.body409
br label %if.end440
if.else433: ; preds = %for.body409
br label %if.end440
if.end440: ; preds = %if.else433, %if.then412
br i1 undef, label %for.inc558, label %if.end461
if.end461: ; preds = %if.end440
br i1 undef, label %for.cond528.loopexit, label %for.body517
for.body517: ; preds = %for.body517, %if.end461
br i1 undef, label %for.cond528.loopexit, label %for.body517
for.cond528.loopexit: ; preds = %for.body517, %if.end461
br label %for.inc558
for.inc558: ; preds = %for.cond528.loopexit, %if.end440
%inc559 = add nsw i32 %k.029, 1
%cmp407 = icmp sgt i32 %inc559, undef
br i1 %cmp407, label %for.cond246.outer, label %for.body409
for.end562: ; preds = %if.end250, %for.cond246
unreachable
for.cond612: ; preds = %while.body119.lr.ph.lr.ph, %if.end115
unreachable
}
define void @test2() nounwind uwtable ssp {
entry:
br i1 undef, label %for.end, label %for.body
for.body: ; preds = %for.body, %entry
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
br i1 undef, label %for.end11, label %for.body3
for.body3: ; preds = %for.end
unreachable
for.end11: ; preds = %for.end
br i1 undef, label %while.body, label %while.end
while.body: ; preds = %for.end11
unreachable
while.end: ; preds = %for.end11
br i1 undef, label %if.end115, label %for.cond109
for.cond109: ; preds = %while.end
unreachable
if.end115: ; preds = %while.end
br i1 undef, label %while.body119.lr.ph.lr.ph, label %for.cond612
while.body119.lr.ph.lr.ph: ; preds = %if.end115
br i1 undef, label %for.cond612, label %if.end123.us
if.end123.us: ; preds = %while.body119.lr.ph.lr.ph
br label %for.cond132.us
for.cond132.us: ; preds = %for.cond132.us, %if.end123.us
br i1 undef, label %if.then136.us, label %for.cond132.us
if.then136.us: ; preds = %for.cond132.us
br i1 undef, label %while.end220, label %while.body211
while.body211: ; preds = %while.body211, %if.then136.us
br i1 undef, label %while.end220, label %while.body211
while.end220: ; preds = %while.body211, %if.then136.us
br label %for.cond246.outer
for.cond246.outer: ; preds = %for.inc558, %for.cond394.preheader, %if.then274, %for.cond404.preheader, %while.end220
br label %for.cond246
for.cond246: ; preds = %for.cond372.loopexit, %for.cond246.outer
br i1 undef, label %for.end562, label %if.end250
if.end250: ; preds = %for.cond246
br i1 undef, label %if.end256, label %for.end562
if.end256: ; preds = %if.end250
%0 = load i32* undef, align 4
br i1 undef, label %if.then274, label %for.cond404.preheader
for.cond404.preheader: ; preds = %if.end256
%add406 = add i32 0, %0
br i1 undef, label %for.cond246.outer, label %for.body409.lr.ph
for.body409.lr.ph: ; preds = %for.cond404.preheader
br label %for.body409
if.then274: ; preds = %if.end256
br i1 undef, label %for.cond246.outer, label %if.end309
if.end309: ; preds = %if.then274
br i1 undef, label %for.cond372.loopexit, label %for.body361
for.body361: ; preds = %for.body361, %if.end309
br i1 undef, label %for.cond372.loopexit, label %for.body361
for.cond372.loopexit: ; preds = %for.body361, %if.end309
br i1 undef, label %for.cond394.preheader, label %for.cond246
for.cond394.preheader: ; preds = %for.cond372.loopexit
br i1 undef, label %for.cond246.outer, label %for.body397
for.body397: ; preds = %for.cond394.preheader
unreachable
for.body409: ; preds = %for.inc558, %for.body409.lr.ph
%k.029 = phi i32 [ 1, %for.body409.lr.ph ], [ %inc559, %for.inc558 ]
br i1 undef, label %if.then412, label %if.else433
if.then412: ; preds = %for.body409
br label %if.end440
if.else433: ; preds = %for.body409
br label %if.end440
if.end440: ; preds = %if.else433, %if.then412
br i1 undef, label %for.inc558, label %if.end461
if.end461: ; preds = %if.end440
br i1 undef, label %for.cond528.loopexit, label %for.body517
for.body517: ; preds = %for.body517, %if.end461
br i1 undef, label %for.cond528.loopexit, label %for.body517
for.cond528.loopexit: ; preds = %for.body517, %if.end461
br label %for.inc558
for.inc558: ; preds = %for.cond528.loopexit, %if.end440
%inc559 = add nsw i32 %k.029, 1
%cmp407 = icmp sgt i32 %inc559, %add406
br i1 %cmp407, label %for.cond246.outer, label %for.body409
for.end562: ; preds = %if.end250, %for.cond246
unreachable
for.cond612: ; preds = %while.body119.lr.ph.lr.ph, %if.end115
unreachable
}
define void @test3() nounwind uwtable ssp {
entry:
br i1 undef, label %for.end, label %for.body
for.body: ; preds = %for.body, %entry
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
br i1 undef, label %for.end11, label %for.body3
for.body3: ; preds = %for.end
unreachable
for.end11: ; preds = %for.end
br i1 undef, label %while.body, label %while.end
while.body: ; preds = %for.end11
unreachable
while.end: ; preds = %for.end11
br i1 undef, label %if.end115, label %for.cond109
for.cond109: ; preds = %while.end
unreachable
if.end115: ; preds = %while.end
br i1 undef, label %while.body119.lr.ph.lr.ph, label %for.cond612
while.body119.lr.ph.lr.ph: ; preds = %if.end115
br i1 undef, label %for.cond612, label %if.end123.us
if.end123.us: ; preds = %while.body119.lr.ph.lr.ph
br label %for.cond132.us
for.cond132.us: ; preds = %for.cond132.us, %if.end123.us
br i1 undef, label %if.then136.us, label %for.cond132.us
if.then136.us: ; preds = %for.cond132.us
br i1 undef, label %while.end220, label %while.body211
while.body211: ; preds = %while.body211, %if.then136.us
br i1 undef, label %while.end220, label %while.body211
while.end220: ; preds = %while.body211, %if.then136.us
br label %for.cond246.outer
for.cond246.outer: ; preds = %for.inc558, %for.cond394.preheader, %if.then274, %for.cond404.preheader, %while.end220
br label %for.cond246
for.cond246: ; preds = %for.cond372.loopexit, %for.cond246.outer
br i1 undef, label %for.end562, label %if.end250
if.end250: ; preds = %for.cond246
br i1 undef, label %if.end256, label %for.end562
if.end256: ; preds = %if.end250
br i1 undef, label %if.then274, label %for.cond404.preheader
for.cond404.preheader: ; preds = %if.end256
br i1 undef, label %for.cond246.outer, label %for.body409.lr.ph
for.body409.lr.ph: ; preds = %for.cond404.preheader
br label %for.body409
if.then274: ; preds = %if.end256
br i1 undef, label %for.cond246.outer, label %if.end309
if.end309: ; preds = %if.then274
br i1 undef, label %for.cond372.loopexit, label %for.body361
for.body361: ; preds = %for.body361, %if.end309
br i1 undef, label %for.cond372.loopexit, label %for.body361
for.cond372.loopexit: ; preds = %for.body361, %if.end309
br i1 undef, label %for.cond394.preheader, label %for.cond246
for.cond394.preheader: ; preds = %for.cond372.loopexit
br i1 undef, label %for.cond246.outer, label %for.body397
for.body397: ; preds = %for.cond394.preheader
unreachable
for.body409: ; preds = %for.inc558, %for.body409.lr.ph
br i1 undef, label %if.then412, label %if.else433
if.then412: ; preds = %for.body409
br label %if.end440
if.else433: ; preds = %for.body409
br label %if.end440
if.end440: ; preds = %if.else433, %if.then412
br i1 undef, label %for.inc558, label %if.end461
if.end461: ; preds = %if.end440
br i1 undef, label %for.cond528.loopexit, label %for.body517
for.body517: ; preds = %for.body517, %if.end461
br i1 undef, label %for.cond528.loopexit, label %for.body517
for.cond528.loopexit: ; preds = %for.body517, %if.end461
br label %for.inc558
for.inc558: ; preds = %for.cond528.loopexit, %if.end440
br i1 undef, label %for.cond246.outer, label %for.body409
for.end562: ; preds = %if.end250, %for.cond246
unreachable
for.cond612: ; preds = %while.body119.lr.ph.lr.ph, %if.end115
unreachable
}
define void @test4() nounwind uwtable ssp {
entry:
br i1 undef, label %if.end8, label %if.else
if.else: ; preds = %entry
br label %if.end8
if.end8: ; preds = %if.else, %entry
br i1 undef, label %if.end26, label %if.else22
if.else22: ; preds = %if.end8
br label %if.end26
if.end26: ; preds = %if.else22, %if.end8
br i1 undef, label %if.end35, label %if.else31
if.else31: ; preds = %if.end26
br label %if.end35
if.end35: ; preds = %if.else31, %if.end26
br i1 undef, label %for.end226, label %for.body.lr.ph
for.body.lr.ph: ; preds = %if.end35
br label %for.body48
for.body48: ; preds = %for.inc221, %for.body.lr.ph
br i1 undef, label %for.inc221, label %for.body65.lr.ph
for.body65.lr.ph: ; preds = %for.body48
%0 = load i32* undef, align 4
%1 = sext i32 %0 to i64
br label %for.body65.us
for.body65.us: ; preds = %for.inc219.us, %for.body65.lr.ph
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc219.us ], [ 1, %for.body65.lr.ph ]
br i1 undef, label %for.inc219.us, label %if.end72.us
if.end72.us: ; preds = %for.body65.us
br i1 undef, label %if.end93.us, label %if.then76.us
if.then76.us: ; preds = %if.end72.us
br label %if.end93.us
if.end93.us: ; preds = %if.then76.us, %if.end72.us
br i1 undef, label %if.end110.us, label %for.inc219.us
if.end110.us: ; preds = %if.end93.us
br i1 undef, label %for.inc219.us, label %for.body142.us
for.body142.us: ; preds = %for.cond139.loopexit.us, %if.end110.us
br label %for.cond152.us
for.cond152.us: ; preds = %for.cond152.us, %for.body142.us
br i1 undef, label %for.cond139.loopexit.us, label %for.cond152.us
for.inc219.us: ; preds = %for.cond139.loopexit.us, %if.end110.us, %if.end93.us, %for.body65.us
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%cmp64.us = icmp sgt i64 %indvars.iv.next, %1
br i1 %cmp64.us, label %for.inc221, label %for.body65.us
for.cond139.loopexit.us: ; preds = %for.cond152.us
br i1 undef, label %for.inc219.us, label %for.body142.us
for.inc221: ; preds = %for.inc219.us, %for.body48
br label %for.body48
for.end226: ; preds = %if.end35
ret void
}
|
