File: str-int-4.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 (401 lines) | stat: -rw-r--r-- 18,277 bytes parent folder | download | duplicates (5)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Verify that calls to strtol and strtoll are interpreted correctly even
; in corner cases (or not folded).
;
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

declare i32 @strtol(ptr, ptr, i32)
declare i64 @strtoll(ptr, ptr, i32)


; All POSIX whitespace characters.
@ws = constant [7 x i8] c"\09\0d\0a\0b\0c \00"

; A negative and positive number preceded by all POSIX whitespace.
@ws_im123 = constant [11 x i8] c"\09\0d\0a\0b\0c -123\00"
@ws_ip234 = constant [11 x i8] c"\09\0d\0a\0b\0c +234\00"

@wsplus = constant [3 x i8] c" +\00"
@i0 = constant [3 x i8] c" 0\00"
@i8 = constant [3 x i8] c" 8\00"
@i9 = constant [3 x i8] c" 9\00"
@ia = constant [3 x i8] c" a\00"
@i08 = constant [3 x i8] c"08\00"
@x0x = constant [3 x i8] c"0x\00"
@wsplusws0 = constant [5 x i8] c" + 0\00"
@i19azAZ = constant [7 x i8] c"19azAZ\00"
@i32min = constant [13 x i8] c" -2147483648\00"
@i32min_m1 = constant [13 x i8] c" -2147483649\00"
@o32min = constant [15 x i8] c" +020000000000\00"
@mo32min = constant [15 x i8] c" -020000000000\00"
@x32min = constant [13 x i8] c" +0x80000000\00"
@mx32min = constant [13 x i8] c" -0x80000000\00"

@i32max = constant [12 x i8] c" 2147483647\00"
@x32max = constant [12 x i8] c" 0x7fffffff\00"
@i32max_p1 = constant [12 x i8] c" 2147483648\00"

@endptr = external global ptr


; Exercise folding calls to 32-bit strtol.

define void @fold_strtol(ptr %ps) {
; CHECK-LABEL: @fold_strtol(
; CHECK-NEXT:    store ptr getelementptr inbounds ([11 x i8], ptr @ws_im123, i64 0, i64 10), ptr @endptr, align 8
; CHECK-NEXT:    store i32 -123, ptr [[PS:%.*]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([11 x i8], ptr @ws_ip234, i64 0, i64 10), ptr @endptr, align 8
; CHECK-NEXT:    [[PS1:%.*]] = getelementptr i32, ptr [[PS]], i64 1
; CHECK-NEXT:    store i32 234, ptr [[PS1]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([3 x i8], ptr @i0, i64 0, i64 2), ptr @endptr, align 8
; CHECK-NEXT:    [[PS2:%.*]] = getelementptr i32, ptr [[PS]], i64 2
; CHECK-NEXT:    store i32 0, ptr [[PS2]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([3 x i8], ptr @i9, i64 0, i64 2), ptr @endptr, align 8
; CHECK-NEXT:    [[PS3:%.*]] = getelementptr i32, ptr [[PS]], i64 3
; CHECK-NEXT:    store i32 9, ptr [[PS3]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([3 x i8], ptr @ia, i64 0, i64 2), ptr @endptr, align 8
; CHECK-NEXT:    [[PS4:%.*]] = getelementptr i32, ptr [[PS]], i64 4
; CHECK-NEXT:    store i32 10, ptr [[PS4]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([7 x i8], ptr @i19azAZ, i64 0, i64 6), ptr @endptr, align 8
; CHECK-NEXT:    [[PS5:%.*]] = getelementptr i32, ptr [[PS]], i64 5
; CHECK-NEXT:    store i32 76095035, ptr [[PS5]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([13 x i8], ptr @i32min, i64 0, i64 12), ptr @endptr, align 8
; CHECK-NEXT:    [[PS6:%.*]] = getelementptr i32, ptr [[PS]], i64 6
; CHECK-NEXT:    store i32 -2147483648, ptr [[PS6]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([15 x i8], ptr @mo32min, i64 0, i64 14), ptr @endptr, align 8
; CHECK-NEXT:    [[PS7:%.*]] = getelementptr i32, ptr [[PS]], i64 7
; CHECK-NEXT:    store i32 -2147483648, ptr [[PS7]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([13 x i8], ptr @mx32min, i64 0, i64 12), ptr @endptr, align 8
; CHECK-NEXT:    [[PS8:%.*]] = getelementptr i32, ptr [[PS]], i64 8
; CHECK-NEXT:    store i32 -2147483648, ptr [[PS8]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([13 x i8], ptr @mx32min, i64 0, i64 12), ptr @endptr, align 8
; CHECK-NEXT:    [[PS9:%.*]] = getelementptr i32, ptr [[PS]], i64 9
; CHECK-NEXT:    store i32 -2147483648, ptr [[PS9]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([12 x i8], ptr @i32max, i64 0, i64 11), ptr @endptr, align 8
; CHECK-NEXT:    [[PS10:%.*]] = getelementptr i32, ptr [[PS]], i64 10
; CHECK-NEXT:    store i32 2147483647, ptr [[PS10]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([12 x i8], ptr @x32max, i64 0, i64 11), ptr @endptr, align 8
; CHECK-NEXT:    [[PS11:%.*]] = getelementptr i32, ptr [[PS]], i64 11
; CHECK-NEXT:    store i32 2147483647, ptr [[PS11]], align 4
; CHECK-NEXT:    ret void
;
; Fold a valid sequence with leading POSIX whitespace and a minus to -123.
  %im123 = call i32 @strtol(ptr @ws_im123, ptr @endptr, i32 10)
  store i32 %im123, ptr %ps

; Fold a valid sequence with leading POSIX whitespace and a plus to +234.
  %ip234 = call i32 @strtol(ptr @ws_ip234, ptr @endptr, i32 10)
  %ps1 = getelementptr i32, ptr %ps, i32 1
  store i32 %ip234, ptr %ps1

; Fold " 0" in base 0 to verify correct base autodetection.
  %i0 = call i32 @strtol(ptr @i0, ptr @endptr, i32 0)
  %ps2 = getelementptr i32, ptr %ps, i32 2
  store i32 %i0, ptr %ps2

; Fold " 9" in base 0 to verify correct base autodetection.
  %i9 = call i32 @strtol(ptr @i9, ptr @endptr, i32 0)
  %ps3 = getelementptr i32, ptr %ps, i32 3
  store i32 %i9, ptr %ps3

; Fold " a" in base 16 to 10.
  %ia = call i32 @strtol(ptr @ia, ptr @endptr, i32 16)
  %ps4 = getelementptr i32, ptr %ps, i32 4
  store i32 %ia, ptr %ps4

; Fold "19azAZ" in base 36 to 76095035.
  %i19azAZ = call i32 @strtol(ptr @i19azAZ, ptr @endptr, i32 36)
  %ps5 = getelementptr i32, ptr %ps, i32 5
  store i32 %i19azAZ, ptr %ps5

; Fold INT32_MIN.
  %min = call i32 @strtol(ptr @i32min, ptr @endptr, i32 10)
  %ps6 = getelementptr i32, ptr %ps, i32 6
  store i32 %min, ptr %ps6

; Fold -INT32_MIN in octal.
  %mo32min = call i32 @strtol(ptr @mo32min, ptr @endptr, i32 0)
  %ps7 = getelementptr i32, ptr %ps, i32 7
  store i32 %mo32min, ptr %ps7

; Fold -INT32_MIN in hex and base 0.
  %mx32min_0 = call i32 @strtol(ptr @mx32min, ptr @endptr, i32 0)
  %ps8 = getelementptr i32, ptr %ps, i32 8
  store i32 %mx32min_0, ptr %ps8

; Fold -INT32_MIN in hex and base 16.
  %mx32min_16 = call i32 @strtol(ptr @mx32min, ptr @endptr, i32 16)
  %ps9 = getelementptr i32, ptr %ps, i32 9
  store i32 %mx32min_16, ptr %ps9

; Fold INT32_MAX.
  %max = call i32 @strtol(ptr @i32max, ptr @endptr, i32 10)
  %ps10 = getelementptr i32, ptr %ps, i32 10
  store i32 %max, ptr %ps10

; Fold INT32_MAX in hex.
  %xmax = call i32 @strtol(ptr @x32max, ptr @endptr, i32 0)
  %ps11 = getelementptr i32, ptr %ps, i32 11
  store i32 %xmax, ptr %ps11

  ret void
}


; Exercise not folding calls to 32-bit strtol.

define void @call_strtol(ptr %ps) {
; CHECK-LABEL: @call_strtol(
; CHECK-NEXT:    [[MINM1:%.*]] = call i32 @strtol(ptr nonnull @i32min_m1, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    store i32 [[MINM1]], ptr [[PS:%.*]], align 4
; CHECK-NEXT:    [[MAXP1:%.*]] = call i32 @strtol(ptr nonnull @i32max_p1, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS1:%.*]] = getelementptr i32, ptr [[PS]], i64 1
; CHECK-NEXT:    store i32 [[MAXP1]], ptr [[PS1]], align 4
; CHECK-NEXT:    [[IPLUS:%.*]] = call i32 @strtol(ptr nonnull @wsplus, ptr nonnull @endptr, i32 0)
; CHECK-NEXT:    [[PS2:%.*]] = getelementptr i32, ptr [[PS]], i64 2
; CHECK-NEXT:    store i32 [[IPLUS]], ptr [[PS2]], align 4
; CHECK-NEXT:    [[IA:%.*]] = call i32 @strtol(ptr nonnull @ia, ptr nonnull @endptr, i32 0)
; CHECK-NEXT:    [[PS3:%.*]] = getelementptr i32, ptr [[PS]], i64 3
; CHECK-NEXT:    store i32 [[IA]], ptr [[PS3]], align 4
; CHECK-NEXT:    [[I8:%.*]] = call i32 @strtol(ptr nonnull @i8, ptr nonnull @endptr, i32 8)
; CHECK-NEXT:    [[PS4:%.*]] = getelementptr i32, ptr [[PS]], i64 4
; CHECK-NEXT:    store i32 [[I8]], ptr [[PS4]], align 4
; CHECK-NEXT:    [[I0X:%.*]] = call i32 @strtol(ptr nonnull @x0x, ptr nonnull @endptr, i32 0)
; CHECK-NEXT:    [[PS5:%.*]] = getelementptr i32, ptr [[PS]], i64 5
; CHECK-NEXT:    store i32 [[I0X]], ptr [[PS5]], align 4
; CHECK-NEXT:    [[IWSPWS0:%.*]] = call i32 @strtol(ptr nonnull @wsplusws0, ptr nonnull @endptr, i32 0)
; CHECK-NEXT:    [[PS6:%.*]] = getelementptr i32, ptr [[PS]], i64 6
; CHECK-NEXT:    store i32 [[IWSPWS0]], ptr [[PS6]], align 4
; CHECK-NEXT:    [[I19AZAZ:%.*]] = call i32 @strtol(ptr nonnull @i19azAZ, ptr nonnull @endptr, i32 35)
; CHECK-NEXT:    [[PS7:%.*]] = getelementptr i32, ptr [[PS]], i64 7
; CHECK-NEXT:    store i32 [[I19AZAZ]], ptr [[PS7]], align 4
; CHECK-NEXT:    [[O32MIN:%.*]] = call i32 @strtol(ptr nonnull @o32min, ptr nonnull @endptr, i32 0)
; CHECK-NEXT:    [[PS8:%.*]] = getelementptr i32, ptr [[PS]], i64 8
; CHECK-NEXT:    store i32 [[O32MIN]], ptr [[PS8]], align 4
; CHECK-NEXT:    [[X32MIN:%.*]] = call i32 @strtol(ptr nonnull @x32min, ptr nonnull @endptr, i32 0)
; CHECK-NEXT:    [[PS9:%.*]] = getelementptr i32, ptr [[PS]], i64 9
; CHECK-NEXT:    store i32 [[X32MIN]], ptr [[PS9]], align 4
; CHECK-NEXT:    [[X32MIN_10:%.*]] = call i32 @strtol(ptr nonnull @x32min, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS10:%.*]] = getelementptr i32, ptr [[PS]], i64 10
; CHECK-NEXT:    store i32 [[X32MIN_10]], ptr [[PS10]], align 4
; CHECK-NEXT:    [[NWS:%.*]] = call i32 @strtol(ptr nonnull @ws, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS11:%.*]] = getelementptr i32, ptr [[PS]], i64 11
; CHECK-NEXT:    store i32 [[NWS]], ptr [[PS11]], align 4
; CHECK-NEXT:    [[NWSP6:%.*]] = call i32 @strtol(ptr nonnull getelementptr inbounds ([7 x i8], ptr @ws, i64 0, i64 6), ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS12:%.*]] = getelementptr i32, ptr [[PS]], i64 12
; CHECK-NEXT:    store i32 [[NWSP6]], ptr [[PS12]], align 4
; CHECK-NEXT:    [[I0B1:%.*]] = call i32 @strtol(ptr nonnull @i0, ptr nonnull @endptr, i32 1)
; CHECK-NEXT:    [[PS13:%.*]] = getelementptr i32, ptr [[PS]], i64 13
; CHECK-NEXT:    store i32 [[I0B1]], ptr [[PS13]], align 4
; CHECK-NEXT:    [[I0B256:%.*]] = call i32 @strtol(ptr nonnull @i0, ptr nonnull @endptr, i32 256)
; CHECK-NEXT:    [[PS14:%.*]] = getelementptr i32, ptr [[PS]], i64 14
; CHECK-NEXT:    store i32 [[I0B256]], ptr [[PS14]], align 4
; CHECK-NEXT:    ret void
;

; Do not fold the result of conversion that's less than INT32_MIN.
  %minm1 = call i32 @strtol(ptr @i32min_m1, ptr @endptr, i32 10)
  store i32 %minm1, ptr %ps

; Do not fold the result of conversion that's greater than INT32_MAX.
  %maxp1 = call i32 @strtol(ptr @i32max_p1, ptr @endptr, i32 10)
  %ps1 = getelementptr i32, ptr %ps, i32 1
  store i32 %maxp1, ptr %ps1

; Do not fold " +".
  %iplus = call i32 @strtol(ptr @wsplus, ptr @endptr, i32 0)
  %ps2 = getelementptr i32, ptr %ps, i32 2
  store i32 %iplus, ptr %ps2

; Do not fold " a" in base 0.
  %ia = call i32 @strtol(ptr @ia, ptr @endptr, i32 0)
  %ps3 = getelementptr i32, ptr %ps, i32 3
  store i32 %ia, ptr %ps3

; Do not fold " 8" in base 8.
  %i8 = call i32 @strtol(ptr @i8, ptr @endptr, i32 8)
  %ps4 = getelementptr i32, ptr %ps, i32 4
  store i32 %i8, ptr %ps4

; Do not fold the "0x" alone in base 0 that some implementations (e.g.,
; BSD and Darwin) set errno to EINVAL for.
  %i0x = call i32 @strtol(ptr @x0x, ptr @endptr, i32 0)
  %ps5 = getelementptr i32, ptr %ps, i32 5
  store i32 %i0x, ptr %ps5

; Do not fold " + 0".
  %iwspws0 = call i32 @strtol(ptr @wsplusws0, ptr @endptr, i32 0)
  %ps6 = getelementptr i32, ptr %ps, i32 6
  store i32 %iwspws0, ptr %ps6

; Do not fold "19azAZ" in base 35.
  %i19azAZ = call i32 @strtol(ptr @i19azAZ, ptr @endptr, i32 35)
  %ps7 = getelementptr i32, ptr %ps, i32 7
  store i32 %i19azAZ, ptr %ps7

; Do not fold INT32_MIN in octal.
  %o32min = call i32 @strtol(ptr @o32min, ptr @endptr, i32 0)
  %ps8 = getelementptr i32, ptr %ps, i32 8
  store i32 %o32min, ptr %ps8

; Do not fold INT32_MIN in hex.
  %x32min = call i32 @strtol(ptr @x32min, ptr @endptr, i32 0)
  %ps9 = getelementptr i32, ptr %ps, i32 9
  store i32 %x32min, ptr %ps9

; Do not fold INT32_MIN in hex in base 10.
  %x32min_10 = call i32 @strtol(ptr @x32min, ptr @endptr, i32 10)
  %ps10 = getelementptr i32, ptr %ps, i32 10
  store i32 %x32min_10, ptr %ps10

; Do not fold a sequence consisting of just whitespace characters.
  %nws = call i32 @strtol(ptr @ws, ptr @endptr, i32 10)
  %ps11 = getelementptr i32, ptr %ps, i32 11
  store i32 %nws, ptr %ps11

; Do not fold an empty sequence.
  %pswsp6 = getelementptr [7 x i8], ptr @ws, i32 0, i32 6
  %nwsp6 = call i32 @strtol(ptr %pswsp6, ptr @endptr, i32 10)
  %ps12 = getelementptr i32, ptr %ps, i32 12
  store i32 %nwsp6, ptr %ps12

; Do not fold the invalid base 1.
  %i0b1 = call i32 @strtol(ptr @i0, ptr @endptr, i32 1)
  %ps13 = getelementptr i32, ptr %ps, i32 13
  store i32 %i0b1, ptr %ps13

; Do not fold the invalid base 256.
  %i0b256 = call i32 @strtol(ptr @i0, ptr @endptr, i32 256)
  %ps14 = getelementptr i32, ptr %ps, i32 14
  store i32 %i0b256, ptr %ps14

  ret void
}


@i64min = constant [22 x i8] c" -9223372036854775808\00"
@i64min_m1 = constant [22 x i8] c" -9223372036854775809\00"

@i64max = constant [21 x i8] c" 9223372036854775807\00"
@i64max_p1 = constant [21 x i8] c" 9223372036854775808\00"

@ui64max = constant [22 x i8] c" 18446744073709551615\00"
@ui64max_p1 = constant [22 x i8] c" 18446744073709551616\00"


; Exercise folding calls to the 64-bit strtoll.

define void @fold_strtoll(ptr %ps) {
; CHECK-LABEL: @fold_strtoll(
; CHECK-NEXT:    store ptr getelementptr inbounds ([11 x i8], ptr @ws_im123, i64 0, i64 10), ptr @endptr, align 8
; CHECK-NEXT:    store i64 -123, ptr [[PS:%.*]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([11 x i8], ptr @ws_ip234, i64 0, i64 10), ptr @endptr, align 8
; CHECK-NEXT:    [[PS1:%.*]] = getelementptr i64, ptr [[PS]], i64 1
; CHECK-NEXT:    store i64 234, ptr [[PS1]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([22 x i8], ptr @i64min, i64 0, i64 21), ptr @endptr, align 8
; CHECK-NEXT:    [[PS2:%.*]] = getelementptr i64, ptr [[PS]], i64 2
; CHECK-NEXT:    store i64 -9223372036854775808, ptr [[PS2]], align 4
; CHECK-NEXT:    store ptr getelementptr inbounds ([21 x i8], ptr @i64max, i64 0, i64 20), ptr @endptr, align 8
; CHECK-NEXT:    [[PS3:%.*]] = getelementptr i64, ptr [[PS]], i64 3
; CHECK-NEXT:    store i64 9223372036854775807, ptr [[PS3]], align 4
; CHECK-NEXT:    ret void
;
; Fold a valid sequence with leading POSIX whitespace and a minus to -123.
  %im123 = call i64 @strtoll(ptr @ws_im123, ptr @endptr, i32 10)
  store i64 %im123, ptr %ps

; Fold a valid sequence with leading POSIX whitespace and a plus to +234.
  %ip234 = call i64 @strtoll(ptr @ws_ip234, ptr @endptr, i32 10)
  %ps1 = getelementptr i64, ptr %ps, i32 1
  store i64 %ip234, ptr %ps1

; Fold INT64_MIN.
  %min = call i64 @strtoll(ptr @i64min, ptr @endptr, i32 10)
  %ps2 = getelementptr i64, ptr %ps, i32 2
  store i64 %min, ptr %ps2

; Fold INT64_MAX.
  %max = call i64 @strtoll(ptr @i64max, ptr @endptr, i32 10)
  %ps3 = getelementptr i64, ptr %ps, i32 3
  store i64 %max, ptr %ps3

  ret void
}


; Exercise not folding calls to the 64-bit strtoll.

define void @call_strtoll(ptr %ps) {
; CHECK-LABEL: @call_strtoll(
; CHECK-NEXT:    [[MINM1:%.*]] = call i64 @strtoll(ptr nonnull @i64min_m1, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    store i64 [[MINM1]], ptr [[PS:%.*]], align 4
; CHECK-NEXT:    [[MAXP1:%.*]] = call i64 @strtoll(ptr nonnull @i64max_p1, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS1:%.*]] = getelementptr i64, ptr [[PS]], i64 1
; CHECK-NEXT:    store i64 [[MAXP1]], ptr [[PS1]], align 4
; CHECK-NEXT:    [[NWS:%.*]] = call i64 @strtoll(ptr nonnull @ws, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS2:%.*]] = getelementptr i64, ptr [[PS]], i64 2
; CHECK-NEXT:    store i64 [[NWS]], ptr [[PS2]], align 4
; CHECK-NEXT:    [[NWSP6:%.*]] = call i64 @strtoll(ptr nonnull getelementptr inbounds ([7 x i8], ptr @ws, i64 0, i64 6), ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS3:%.*]] = getelementptr i64, ptr [[PS]], i64 3
; CHECK-NEXT:    store i64 [[NWSP6]], ptr [[PS3]], align 4
; CHECK-NEXT:    ret void
;
; Do not fold the result of conversion that's less than INT64_MIN.
  %minm1 = call i64 @strtoll(ptr @i64min_m1, ptr @endptr, i32 10)
  store i64 %minm1, ptr %ps

; Do not fold the result of conversion that's greater than INT64_MAX.
  %maxp1 = call i64 @strtoll(ptr @i64max_p1, ptr @endptr, i32 10)
  %ps1 = getelementptr i64, ptr %ps, i32 1
  store i64 %maxp1, ptr %ps1

; Do not fold a sequence consisting of just whitespace characters.
  %nws = call i64 @strtoll(ptr @ws, ptr @endptr, i32 10)
  %ps2 = getelementptr i64, ptr %ps, i32 2
  store i64 %nws, ptr %ps2

; Do not fold an empty sequence.
  %pswsp6 = getelementptr [7 x i8], ptr @ws, i32 0, i32 6
  %nwsp6 = call i64 @strtoll(ptr %pswsp6, ptr @endptr, i32 10)
  %ps3 = getelementptr i64, ptr %ps, i32 3
  store i64 %nwsp6, ptr %ps3

  ret void
}

@i_1_2_3_ = constant [9 x i8] c" 1 2\09\3\0a\00";

; Verify that strings of digits that are followed by whitespace are not
; folded (the whitespace could be interpreted in locales other than C
; as part of the leading digits, such as "123 456" is interepreted as
; 123456 in the French locale).

define void @call_strtol_trailing_space(ptr %ps) {
; CHECK-LABEL: @call_strtol_trailing_space(
; CHECK-NEXT:    [[N1:%.*]] = call i32 @strtol(ptr nonnull @i_1_2_3_, ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS1:%.*]] = getelementptr i32, ptr [[PS:%.*]], i64 1
; CHECK-NEXT:    store i32 [[N1]], ptr [[PS1]], align 4
; CHECK-NEXT:    [[N2:%.*]] = call i32 @strtol(ptr nonnull getelementptr inbounds ([9 x i8], ptr @i_1_2_3_, i64 0, i64 2), ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS2:%.*]] = getelementptr i32, ptr [[PS]], i64 2
; CHECK-NEXT:    store i32 [[N2]], ptr [[PS2]], align 4
; CHECK-NEXT:    [[N3:%.*]] = call i32 @strtol(ptr nonnull getelementptr inbounds ([9 x i8], ptr @i_1_2_3_, i64 0, i64 4), ptr nonnull @endptr, i32 10)
; CHECK-NEXT:    [[PS3:%.*]] = getelementptr i32, ptr [[PS]], i64 3
; CHECK-NEXT:    store i32 [[N3]], ptr [[PS3]], align 4
; CHECK-NEXT:    ret void
;
  %n1 = call i32 @strtol(ptr @i_1_2_3_, ptr @endptr, i32 10)
  %ps1 = getelementptr i32, ptr %ps, i32 1
  store i32 %n1, ptr %ps1

  %p2 = getelementptr [9 x i8], ptr @i_1_2_3_, i32 0, i32 2
  %n2 = call i32 @strtol(ptr %p2, ptr @endptr, i32 10)
  %ps2 = getelementptr i32, ptr %ps, i32 2
  store i32 %n2, ptr %ps2

  %p3 = getelementptr [9 x i8], ptr @i_1_2_3_, i32 0, i32 4
  %n3 = call i32 @strtol(ptr %p3, ptr @endptr, i32 10)
  %ps3 = getelementptr i32, ptr %ps, i32 3
  store i32 %n3, ptr %ps3

  ret void
}