File: max-expr-cache.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (331 lines) | stat: -rw-r--r-- 32,631 bytes parent folder | download | duplicates (2)
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
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s

; SCEV would take a long time to compute SCEV expressions for this IR.  If SCEV
; finishes in < 1 second then the bug is fixed.

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux-gnu"

define void @smax(i32 %tmp3) {
; CHECK-LABEL: 'smax'
; CHECK-NEXT:  Classifying expressions for: @smax
; CHECK-NEXT:    %tmp5 = phi i64 [ %tmp62, %bb61 ], [ 0, %entry ]
; CHECK-NEXT:    --> {0,+,1}<nuw><nsw><%bb4> U: [0,-9223372036854775808) S: [0,-9223372036854775808) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp6 = trunc i64 %tmp5 to i32
; CHECK-NEXT:    --> {0,+,1}<%bb4> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp7 = shl nsw i32 %tmp6, 8
; CHECK-NEXT:    --> {0,+,256}<%bb4> U: [0,-255) S: [-2147483648,2147483393) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp8 = sub nsw i32 %tmp3, %tmp7
; CHECK-NEXT:    --> {%tmp3,+,-256}<%bb4> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp10 = select i1 %tmp9, i32 %tmp8, i32 256
; CHECK-NEXT:    --> (256 smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp11 = add nsw i32 %tmp10, 1
; CHECK-NEXT:    --> (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp13 = select i1 %tmp12, i32 %tmp11, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp15 = select i1 %tmp14, i32 %tmp13, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp16 = add nsw i32 %tmp15, 1
; CHECK-NEXT:    --> (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp18 = select i1 %tmp17, i32 %tmp16, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp20 = select i1 %tmp19, i32 %tmp18, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp21 = add nsw i32 %tmp20, 1
; CHECK-NEXT:    --> (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp23 = select i1 %tmp22, i32 %tmp21, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp25 = select i1 %tmp24, i32 %tmp23, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp26 = add nsw i32 %tmp25, 1
; CHECK-NEXT:    --> (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp28 = select i1 %tmp27, i32 %tmp26, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp30 = select i1 %tmp29, i32 %tmp28, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp31 = add nsw i32 %tmp30, 1
; CHECK-NEXT:    --> (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp33 = select i1 %tmp32, i32 %tmp31, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp35 = select i1 %tmp34, i32 %tmp33, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp36 = add nsw i32 %tmp35, 1
; CHECK-NEXT:    --> (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp38 = select i1 %tmp37, i32 %tmp36, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp40 = select i1 %tmp39, i32 %tmp38, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp41 = add nsw i32 %tmp40, 1
; CHECK-NEXT:    --> (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483647,258) S: [-2147483647,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp43 = select i1 %tmp42, i32 %tmp41, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,258) S: [-2147483648,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp44 = add nsw i32 %tmp10, 7
; CHECK-NEXT:    --> (7 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> U: [-2147483641,264) S: [-2147483641,264) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp46 = select i1 %tmp45, i32 %tmp43, i32 256
; CHECK-NEXT:    --> (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>) U: [-2147483648,257) S: [-2147483648,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp48 = select i1 %tmp47, i32 %tmp44, i32 %tmp46
; CHECK-NEXT:    --> ((7 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smax (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin (1 + (256 smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>))<nsw> smin {%tmp3,+,-256}<%bb4>)) U: [-2147483641,264) S: [-2147483641,264) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp49 = ashr i32 %tmp48, 3
; CHECK-NEXT:    --> %tmp49 U: [-268435456,268435456) S: [-268435456,268435456) Exits: <<Unknown>> LoopDispositions: { %bb4: Variant, %bb53: Invariant }
; CHECK-NEXT:    %tmp51 = select i1 %tmp50, i32 %tmp49, i32 0
; CHECK-NEXT:    --> (0 smax %tmp49) U: [0,268435456) S: [0,268435456) Exits: <<Unknown>> LoopDispositions: { %bb4: Variant, %bb53: Invariant }
; CHECK-NEXT:    %tmp52 = zext i32 %tmp51 to i64
; CHECK-NEXT:    --> (zext i32 (0 smax %tmp49) to i64) U: [0,268435456) S: [0,268435456) Exits: <<Unknown>> LoopDispositions: { %bb4: Variant, %bb53: Invariant }
; CHECK-NEXT:    %tmp54 = phi i64 [ undef, %bb4 ], [ %tmp59, %bb53 ]
; CHECK-NEXT:    --> {undef,+,1}<nsw><%bb53> U: full-set S: full-set Exits: (-1 + (zext i32 (0 smax %tmp49) to i64))<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp55 = trunc i64 %tmp54 to i32
; CHECK-NEXT:    --> {(trunc i64 undef to i32),+,1}<%bb53> U: full-set S: full-set Exits: (-1 + (0 smax %tmp49))<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp56 = shl nsw i32 %tmp55, 3
; CHECK-NEXT:    --> {(8 * (trunc i64 undef to i32)),+,8}<%bb53> U: [0,-7) S: [-2147483648,2147483641) Exits: (-8 + (8 * (0 smax %tmp49))<nuw><nsw>)<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp57 = sext i32 %tmp56 to i64
; CHECK-NEXT:    --> (sext i32 {(8 * (trunc i64 undef to i32)),+,8}<%bb53> to i64) U: [0,-7) S: [-2147483648,2147483641) Exits: (-8 + (8 * (zext i32 (0 smax %tmp49) to i64))<nuw><nsw>)<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp58 = getelementptr inbounds i8, ptr null, i64 %tmp57
; CHECK-NEXT:    --> ((sext i32 {(8 * (trunc i64 undef to i32)),+,8}<%bb53> to i64) + null) U: [0,-7) S: [-2147483648,2147483641) Exits: (-8 + (8 * (zext i32 (0 smax %tmp49) to i64))<nuw><nsw> + null) LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp59 = add nsw i64 %tmp54, 1
; CHECK-NEXT:    --> {(1 + undef),+,1}<nsw><%bb53> U: full-set S: full-set Exits: (zext i32 (0 smax %tmp49) to i64) LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp62 = add nuw nsw i64 %tmp5, 1
; CHECK-NEXT:    --> {1,+,1}<nuw><%bb4> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:  Determining loop execution counts for: @smax
; CHECK-NEXT:  Loop %bb53: backedge-taken count is (-1 + (zext i32 (0 smax %tmp49) to i64) + (-1 * undef))
; CHECK-NEXT:  Loop %bb53: constant max backedge-taken count is -1
; CHECK-NEXT:  Loop %bb53: symbolic max backedge-taken count is (-1 + (zext i32 (0 smax %tmp49) to i64) + (-1 * undef))
; CHECK-NEXT:  Loop %bb53: Predicated backedge-taken count is (-1 + (zext i32 (0 smax %tmp49) to i64) + (-1 * undef))
; CHECK-NEXT:   Predicates:
; CHECK:       Loop %bb53: Trip multiple is 1
; CHECK-NEXT:  Loop %bb4: <multiple exits> Unpredictable backedge-taken count.
; CHECK-NEXT:  Loop %bb4: Unpredictable constant max backedge-taken count.
; CHECK-NEXT:  Loop %bb4: Unpredictable symbolic max backedge-taken count.
; CHECK-NEXT:  Loop %bb4: Unpredictable predicated backedge-taken count.
;
entry:
  br label %bb4

bb4:
  %tmp5 = phi i64 [ %tmp62, %bb61 ], [ 0, %entry ]
  %tmp6 = trunc i64 %tmp5 to i32
  %tmp7 = shl nsw i32 %tmp6, 8
  %tmp8 = sub nsw i32 %tmp3, %tmp7
  %tmp9 = icmp slt i32 %tmp8, 256
  %tmp10 = select i1 %tmp9, i32 %tmp8, i32 256
  %tmp11 = add nsw i32 %tmp10, 1
  %tmp12 = icmp sgt i32 %tmp8, %tmp11
  %tmp13 = select i1 %tmp12, i32 %tmp11, i32 %tmp8
  %tmp14 = icmp slt i32 %tmp13, 256
  %tmp15 = select i1 %tmp14, i32 %tmp13, i32 256
  %tmp16 = add nsw i32 %tmp15, 1
  %tmp17 = icmp sgt i32 %tmp8, %tmp16
  %tmp18 = select i1 %tmp17, i32 %tmp16, i32 %tmp8
  %tmp19 = icmp slt i32 %tmp18, 256
  %tmp20 = select i1 %tmp19, i32 %tmp18, i32 256
  %tmp21 = add nsw i32 %tmp20, 1
  %tmp22 = icmp sgt i32 %tmp8, %tmp21
  %tmp23 = select i1 %tmp22, i32 %tmp21, i32 %tmp8
  %tmp24 = icmp slt i32 %tmp23, 256
  %tmp25 = select i1 %tmp24, i32 %tmp23, i32 256
  %tmp26 = add nsw i32 %tmp25, 1
  %tmp27 = icmp sgt i32 %tmp8, %tmp26
  %tmp28 = select i1 %tmp27, i32 %tmp26, i32 %tmp8
  %tmp29 = icmp slt i32 %tmp28, 256
  %tmp30 = select i1 %tmp29, i32 %tmp28, i32 256
  %tmp31 = add nsw i32 %tmp30, 1
  %tmp32 = icmp sgt i32 %tmp8, %tmp31
  %tmp33 = select i1 %tmp32, i32 %tmp31, i32 %tmp8
  %tmp34 = icmp slt i32 %tmp33, 256
  %tmp35 = select i1 %tmp34, i32 %tmp33, i32 256
  %tmp36 = add nsw i32 %tmp35, 1
  %tmp37 = icmp sgt i32 %tmp8, %tmp36
  %tmp38 = select i1 %tmp37, i32 %tmp36, i32 %tmp8
  %tmp39 = icmp slt i32 %tmp38, 256
  %tmp40 = select i1 %tmp39, i32 %tmp38, i32 256
  %tmp41 = add nsw i32 %tmp40, 1
  %tmp42 = icmp sgt i32 %tmp8, %tmp41
  %tmp43 = select i1 %tmp42, i32 %tmp41, i32 %tmp8
  %tmp44 = add nsw i32 %tmp10, 7
  %tmp45 = icmp slt i32 %tmp43, 256
  %tmp46 = select i1 %tmp45, i32 %tmp43, i32 256
  %tmp47 = icmp sgt i32 %tmp44, %tmp46
  %tmp48 = select i1 %tmp47, i32 %tmp44, i32 %tmp46
  %tmp49 = ashr i32 %tmp48, 3
  %tmp50 = icmp sgt i32 %tmp49, 0
  %tmp51 = select i1 %tmp50, i32 %tmp49, i32 0
  %tmp52 = zext i32 %tmp51 to i64
  br label %bb53

bb53:
  %tmp54 = phi i64 [ undef, %bb4 ], [ %tmp59, %bb53 ]
  %tmp55 = trunc i64 %tmp54 to i32
  %tmp56 = shl nsw i32 %tmp55, 3
  %tmp57 = sext i32 %tmp56 to i64
  %tmp58 = getelementptr inbounds i8, ptr null, i64 %tmp57
  store i8 undef, ptr %tmp58, align 8
  %tmp59 = add nsw i64 %tmp54, 1
  %tmp60 = icmp eq i64 %tmp59, %tmp52
  br i1 %tmp60, label %bb61, label %bb53

bb61:
  %tmp62 = add nuw nsw i64 %tmp5, 1
  br label %bb4
}


define void @umax(i32 %tmp3) {
; CHECK-LABEL: 'umax'
; CHECK-NEXT:  Classifying expressions for: @umax
; CHECK-NEXT:    %tmp5 = phi i64 [ %tmp62, %bb61 ], [ 0, %entry ]
; CHECK-NEXT:    --> {0,+,1}<nuw><nsw><%bb4> U: [0,-9223372036854775808) S: [0,-9223372036854775808) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp6 = trunc i64 %tmp5 to i32
; CHECK-NEXT:    --> {0,+,1}<%bb4> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp7 = shl nsw i32 %tmp6, 8
; CHECK-NEXT:    --> {0,+,256}<%bb4> U: [0,-255) S: [-2147483648,2147483393) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp8 = sub nsw i32 %tmp3, %tmp7
; CHECK-NEXT:    --> {%tmp3,+,-256}<%bb4> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp10 = select i1 %tmp9, i32 %tmp8, i32 256
; CHECK-NEXT:    --> (256 umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp11 = add nsw i32 %tmp10, 1
; CHECK-NEXT:    --> (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp13 = select i1 %tmp12, i32 %tmp11, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp15 = select i1 %tmp14, i32 %tmp13, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp16 = add nsw i32 %tmp15, 1
; CHECK-NEXT:    --> (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp18 = select i1 %tmp17, i32 %tmp16, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp20 = select i1 %tmp19, i32 %tmp18, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp21 = add nsw i32 %tmp20, 1
; CHECK-NEXT:    --> (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp23 = select i1 %tmp22, i32 %tmp21, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp25 = select i1 %tmp24, i32 %tmp23, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp26 = add nsw i32 %tmp25, 1
; CHECK-NEXT:    --> (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp28 = select i1 %tmp27, i32 %tmp26, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp30 = select i1 %tmp29, i32 %tmp28, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp31 = add nsw i32 %tmp30, 1
; CHECK-NEXT:    --> (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp33 = select i1 %tmp32, i32 %tmp31, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp35 = select i1 %tmp34, i32 %tmp33, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp36 = add nsw i32 %tmp35, 1
; CHECK-NEXT:    --> (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp38 = select i1 %tmp37, i32 %tmp36, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp40 = select i1 %tmp39, i32 %tmp38, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp41 = add nsw i32 %tmp40, 1
; CHECK-NEXT:    --> (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [1,258) S: [1,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp43 = select i1 %tmp42, i32 %tmp41, i32 %tmp8
; CHECK-NEXT:    --> ((1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,258) S: [0,258) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp44 = add nsw i32 %tmp10, 7
; CHECK-NEXT:    --> (7 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> U: [7,264) S: [7,264) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp46 = select i1 %tmp45, i32 %tmp43, i32 256
; CHECK-NEXT:    --> (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>) U: [0,257) S: [0,257) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp48 = select i1 %tmp47, i32 %tmp44, i32 %tmp46
; CHECK-NEXT:    --> ((7 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umax (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin (1 + (256 umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>))<nuw><nsw> umin {%tmp3,+,-256}<%bb4>)) U: [7,264) S: [7,264) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:    %tmp49 = ashr i32 %tmp48, 3
; CHECK-NEXT:    --> %tmp49 U: [0,128) S: [0,128) Exits: <<Unknown>> LoopDispositions: { %bb4: Variant, %bb53: Invariant }
; CHECK-NEXT:    %tmp51 = select i1 %tmp50, i32 %tmp49, i32 0
; CHECK-NEXT:    --> %tmp49 U: [0,128) S: [0,128) Exits: <<Unknown>> LoopDispositions: { %bb4: Variant, %bb53: Invariant }
; CHECK-NEXT:    %tmp52 = zext i32 %tmp51 to i64
; CHECK-NEXT:    --> (zext i32 %tmp49 to i64) U: [0,128) S: [0,128) Exits: <<Unknown>> LoopDispositions: { %bb4: Variant, %bb53: Invariant }
; CHECK-NEXT:    %tmp54 = phi i64 [ undef, %bb4 ], [ %tmp59, %bb53 ]
; CHECK-NEXT:    --> {undef,+,1}<nsw><%bb53> U: full-set S: full-set Exits: (-1 + (zext i32 %tmp49 to i64))<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp55 = trunc i64 %tmp54 to i32
; CHECK-NEXT:    --> {(trunc i64 undef to i32),+,1}<%bb53> U: full-set S: full-set Exits: (-1 + %tmp49)<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp56 = shl nsw i32 %tmp55, 3
; CHECK-NEXT:    --> {(8 * (trunc i64 undef to i32)),+,8}<%bb53> U: [0,-7) S: [-2147483648,2147483641) Exits: (-8 + (8 * %tmp49)<nuw><nsw>)<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp57 = sext i32 %tmp56 to i64
; CHECK-NEXT:    --> (sext i32 {(8 * (trunc i64 undef to i32)),+,8}<%bb53> to i64) U: [0,-7) S: [-2147483648,2147483641) Exits: (-8 + (8 * (zext i32 %tmp49 to i64))<nuw><nsw>)<nsw> LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp58 = getelementptr inbounds i8, ptr null, i64 %tmp57
; CHECK-NEXT:    --> ((sext i32 {(8 * (trunc i64 undef to i32)),+,8}<%bb53> to i64) + null) U: [0,-7) S: [-2147483648,2147483641) Exits: (-8 + (8 * (zext i32 %tmp49 to i64))<nuw><nsw> + null) LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp59 = add nsw i64 %tmp54, 1
; CHECK-NEXT:    --> {(1 + undef),+,1}<nsw><%bb53> U: full-set S: full-set Exits: (zext i32 %tmp49 to i64) LoopDispositions: { %bb53: Computable, %bb4: Variant }
; CHECK-NEXT:    %tmp62 = add nuw nsw i64 %tmp5, 1
; CHECK-NEXT:    --> {1,+,1}<nuw><%bb4> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %bb4: Computable, %bb53: Invariant }
; CHECK-NEXT:  Determining loop execution counts for: @umax
; CHECK-NEXT:  Loop %bb53: backedge-taken count is (-1 + (zext i32 %tmp49 to i64) + (-1 * undef))
; CHECK-NEXT:  Loop %bb53: constant max backedge-taken count is -1
; CHECK-NEXT:  Loop %bb53: symbolic max backedge-taken count is (-1 + (zext i32 %tmp49 to i64) + (-1 * undef))
; CHECK-NEXT:  Loop %bb53: Predicated backedge-taken count is (-1 + (zext i32 %tmp49 to i64) + (-1 * undef))
; CHECK-NEXT:   Predicates:
; CHECK:       Loop %bb53: Trip multiple is 1
; CHECK-NEXT:  Loop %bb4: <multiple exits> Unpredictable backedge-taken count.
; CHECK-NEXT:  Loop %bb4: Unpredictable constant max backedge-taken count.
; CHECK-NEXT:  Loop %bb4: Unpredictable symbolic max backedge-taken count.
; CHECK-NEXT:  Loop %bb4: Unpredictable predicated backedge-taken count.
;
entry:
  br label %bb4

bb4:
  %tmp5 = phi i64 [ %tmp62, %bb61 ], [ 0, %entry ]
  %tmp6 = trunc i64 %tmp5 to i32
  %tmp7 = shl nsw i32 %tmp6, 8
  %tmp8 = sub nsw i32 %tmp3, %tmp7
  %tmp9 = icmp ult i32 %tmp8, 256
  %tmp10 = select i1 %tmp9, i32 %tmp8, i32 256
  %tmp11 = add nsw i32 %tmp10, 1
  %tmp12 = icmp ugt i32 %tmp8, %tmp11
  %tmp13 = select i1 %tmp12, i32 %tmp11, i32 %tmp8
  %tmp14 = icmp ult i32 %tmp13, 256
  %tmp15 = select i1 %tmp14, i32 %tmp13, i32 256
  %tmp16 = add nsw i32 %tmp15, 1
  %tmp17 = icmp ugt i32 %tmp8, %tmp16
  %tmp18 = select i1 %tmp17, i32 %tmp16, i32 %tmp8
  %tmp19 = icmp ult i32 %tmp18, 256
  %tmp20 = select i1 %tmp19, i32 %tmp18, i32 256
  %tmp21 = add nsw i32 %tmp20, 1
  %tmp22 = icmp ugt i32 %tmp8, %tmp21
  %tmp23 = select i1 %tmp22, i32 %tmp21, i32 %tmp8
  %tmp24 = icmp ult i32 %tmp23, 256
  %tmp25 = select i1 %tmp24, i32 %tmp23, i32 256
  %tmp26 = add nsw i32 %tmp25, 1
  %tmp27 = icmp ugt i32 %tmp8, %tmp26
  %tmp28 = select i1 %tmp27, i32 %tmp26, i32 %tmp8
  %tmp29 = icmp ult i32 %tmp28, 256
  %tmp30 = select i1 %tmp29, i32 %tmp28, i32 256
  %tmp31 = add nsw i32 %tmp30, 1
  %tmp32 = icmp ugt i32 %tmp8, %tmp31
  %tmp33 = select i1 %tmp32, i32 %tmp31, i32 %tmp8
  %tmp34 = icmp ult i32 %tmp33, 256
  %tmp35 = select i1 %tmp34, i32 %tmp33, i32 256
  %tmp36 = add nsw i32 %tmp35, 1
  %tmp37 = icmp ugt i32 %tmp8, %tmp36
  %tmp38 = select i1 %tmp37, i32 %tmp36, i32 %tmp8
  %tmp39 = icmp ult i32 %tmp38, 256
  %tmp40 = select i1 %tmp39, i32 %tmp38, i32 256
  %tmp41 = add nsw i32 %tmp40, 1
  %tmp42 = icmp ugt i32 %tmp8, %tmp41
  %tmp43 = select i1 %tmp42, i32 %tmp41, i32 %tmp8
  %tmp44 = add nsw i32 %tmp10, 7
  %tmp45 = icmp ult i32 %tmp43, 256
  %tmp46 = select i1 %tmp45, i32 %tmp43, i32 256
  %tmp47 = icmp ugt i32 %tmp44, %tmp46
  %tmp48 = select i1 %tmp47, i32 %tmp44, i32 %tmp46
  %tmp49 = ashr i32 %tmp48, 3
  %tmp50 = icmp ugt i32 %tmp49, 0
  %tmp51 = select i1 %tmp50, i32 %tmp49, i32 0
  %tmp52 = zext i32 %tmp51 to i64
  br label %bb53

bb53:
  %tmp54 = phi i64 [ undef, %bb4 ], [ %tmp59, %bb53 ]
  %tmp55 = trunc i64 %tmp54 to i32
  %tmp56 = shl nsw i32 %tmp55, 3
  %tmp57 = sext i32 %tmp56 to i64
  %tmp58 = getelementptr inbounds i8, ptr null, i64 %tmp57
  store i8 undef, ptr %tmp58, align 8
  %tmp59 = add nsw i64 %tmp54, 1
  %tmp60 = icmp eq i64 %tmp59, %tmp52
  br i1 %tmp60, label %bb61, label %bb53

bb61:
  %tmp62 = add nuw nsw i64 %tmp5, 1
  br label %bb4
}