blob: cfb72b8bcc5559f7e2525f07efeaf338559140a6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* { dg-do compile } */
/* { dg-options "-O -fstrict-aliasing -fno-tree-sra -fdump-tree-fre1-details" } */
/* Should be optimized, propagating &a into (*p)[i]. */
/* For this testcase we need TBAA to work. */
struct Foo
{
void *data;
int size;
};
void foo(double (*q)[4], struct Foo *tmp1)
{
double a[4];
int i;
tmp1->data = &a;
tmp1->size = 4;
for (i=0; i<4; ++i)
{
double (*p)[4] = tmp1->data;
(*p)[i] = (*q)[i];
}
}
/* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data with &a" "fre1" } } */
/* { dg-final { cleanup-tree-dump "fre1" } } */
|
