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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
/* { dg-require-effective-target int32plus } */
int bar (void);
void foo (void)
{
unsigned i, j, n;
for (i = 0; i < 100000; i++)
;
n = bar ();
for (i = 0; i < n; i++)
;
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
;
/* These should not be removed. */
for (i = 0; i < 10000; i++)
bar ();
for (i = 0; i != n; i += 2)
;
}
/* { dg-final { scan-tree-dump-times "if " 3 "optimized" } } */
/* { dg-final { scan-tree-dump-times "bar " 2 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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