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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
/
pr21090.c
1
/* { dg-do compile } */
2
/* { dg-options "-O2 -fdump-tree-vrp1" } */
3
4
int
g
,
h
;
5
6
int
7
foo
(
int
a
)
8
{
9
int
*
p
;
10
11
if
(
a
)
12
p
= &
g
;
13
else
14
p
= &
h
;
15
16
if
(
p
!=
0
)
17
return
1
;
18
else
19
return
0
;
20
}
21
22
/* { dg-final { scan-tree-dump-times "Folding predicate.*to 1" 1 "vrp1" } } */
23
/* { dg-final { cleanup-tree-dump "vrp1" } } */