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/* { dg-do compile } */
/* { dg-options "-O -fstrict-aliasing -fno-tree-sra --param max-aliased-vops=0 --param max-fields-for-field-sensitive=0 -fdump-tree-fre-details" } */
/* Should be optimized, propagating &a into (*p)[i] with parameters
--param max-aliased-vops=0 --param max-fields-for-field-sensitive=0
which means max 1 VOP per stmt and no SFTs. */
/* 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 "Inserted .* &a" "fre" } } */
/* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data" "fre" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */
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