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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-fre1-details" } */
int x[1024];
int foo (int a, int s, unsigned int k)
{
int i = a, j = a;
int sum = 0;
do
{
sum += x[i];
sum += x[j];
i += s;
j += s;
}
while (k--);
return sum;
}
/* We want to remove the redundant induction variable and thus its PHI node. */
/* { dg-final { scan-tree-dump "Removing dead stmt \[^\r\n\]*PHI" "fre1" } } */
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