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2018-04-30 Richard Biener <rguenther@suse.de>
[official-gcc.git]
/
gcc
/
testsuite
/
gcc.dg
/
tree-ssa
/
vrp54.c
blob
ad87288e3a3b0dddeee53eabc127751e74836c6d
1
/* { dg-do compile } */
2
/* { dg-options "-O2 -fdump-tree-vrp1" } */
3
4
extern
void
link_error
(
void
);
5
void
foo
(
void
)
6
{
7
int
j
=
256
;
8
do
9
{
10
if
(
j
<
0
||
j
>
256
)
11
link_error
();
12
j
--;
13
}
14
while
(
j
>=
0
);
15
if
(
j
!= -
1
)
16
link_error
();
17
}
18
extern
void
link_error
(
void
);
19
void
bar
(
void
)
20
{
21
int
j
=
0
;
22
do
23
{
24
if
(
j
<
0
||
j
>
256
)
25
link_error
();
26
j
++;
27
}
28
while
(
j
<=
256
);
29
if
(
j
!=
257
)
30
link_error
();
31
}
32
33
/* { dg-final { scan-tree-dump-not "link_error" "vrp1" } } */