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re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with -O3 ...
[gcc.git]
/
gcc
/
testsuite
/
gcc.dg
/
tree-ssa
/
pr21458.c
1
/* { dg-do compile } */
2
/* { dg-options "-O2 -fdump-tree-vrp1" } */
3
4
extern
void
g
(
void
);
5
extern
void
bar
(
int
);
6
7
int
8
foo
(
int
a
)
9
{
10
int
i
;
11
12
for
(
i
=
1
;
i
<
100
;
i
++)
13
{
14
if
(
i
)
15
g
();
16
}
17
}
18
19
/* { dg-final { scan-tree-dump-times "Folding predicate.*to 1" 1 "vrp1" } } */
20
/* { dg-final { cleanup-tree-dump "vrp1" } } */