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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-ivopts-details" } */
double g;
int foo(char *flags, long len, long i, long steps)
{
register long step, iter;
if(*(flags + i))
{
step = i + i + 3;
for(iter = i + step ; iter <= len ; iter += step)
{
steps++;
*(flags + iter)=0;
}
}
g = 5.0*(double)steps;
return 0;
}
/* Don't expand iv {base+step, step}_loop into {base+x+y, step}_loop
even if "step == x + y". */
/* { dg-final { scan-tree-dump "Base:\\tstep_\[0-9\]* \\+ iter|Base:\\titer_\[0-9\]* \\+ step" "ivopts"} } */
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