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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
/
vrp28.c
1
/* { dg-do compile } */
2
/* { dg-options "-O2 -fdump-tree-vrp1" } */
3
4
int
f
(
_Bool a
)
5
{
6
int
t
=
a
;
7
if
(
t
!=
2
)
8
return
0
;
9
return
1
;
10
}
11
12
int
f1
(
unsigned char
a
)
13
{
14
int
t
=
a
;
15
if
(
t
!=
256
)
16
return
0
;
17
return
1
;
18
}
19
20
int
f3
(
unsigned char
c
)
21
{
22
int
i
=
c
;
23
if
(
i
<
0
||
i
>
255
)
24
return
-
1
;
25
else
26
return
0
;
27
}
28
29
/* { dg-final { scan-tree-dump-times "if " 0 "vrp1" } } * /
30
/* { dg-final { cleanup-tree-dump "vrp1" } } */
31
32