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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
struct Loc {
int x[3];
};
void bar (struct Loc *);
int foo (int i, int j, int k, int b)
{
struct Loc IND;
int res;
if (b)
{
IND.x[0] = i;
IND.x[1] = j;
IND.x[2] = k-1;
}
else
{
IND.x[0] = i;
IND.x[1] = j;
IND.x[2] = k;
}
/* This should be optimized to i + j + {k, k + 1}. */
res = IND.x[0] + IND.x[1] + IND.x[2];
/* This is just to prevent SRA. */
bar (&IND);
return res;
}
/* All three loads should be eliminated. */
/* { dg-final { scan-tree-dump "Eliminated: 3" "pre" } } */
/* { dg-final { cleanup-tree-dump "pre" } } */
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