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/* { dg-do compile } */
/* { dg-options "-O2 -funroll-loops -fdump-tree-cunroll-details" } */
__attribute__ ((pure))
int bla(int);
int foo(void)
{
int i;
int sum;
/* This loop used to appear to be too large for unrolling. */
for (i = 0; i < 4; i++)
{
sum += bla (i);
sum += bla (2*i);
sum += bla (3*i);
sum += bla (4*i);
sum += bla (5*i);
sum += bla (6*i);
sum += bla (7*i);
sum += bla (8*i);
}
return sum;
}
/* { dg-final { scan-tree-dump-times "loop with 4 iterations completely unrolled" 1 "cunroll" } } */
/* { dg-final { cleanup-tree-dump "cunroll" } } */
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