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