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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
/
alias-5.c
1
/* { dg-do compile } */
2
/* { dg-options "-O2 -fdump-tree-optimized" } */
3
4
struct
{
5
int
i
;
6
struct
{
7
struct
{
8
int
i
;
9
}
x
[
2
];
10
}
b
;
11
}
a
;
12
13
int
foo
(
void
)
14
{
15
a
.
i
=
1
;
16
a
.
b
.
x
[
0
].
i
=
0
;
17
a
.
b
.
x
[
1
].
i
=
1
;
18
return
a
.
i
+
a
.
b
.
x
[
0
].
i
;
19
}
20
21
/* { dg-final { scan-tree-dump "return 1;" "optimized" } } */
22
/* { dg-final { cleanup-tree-dump "optimized" } } */
23