1 /* { dg-do compile } */
2 /* { dg-options "-O3 -fno-tree-vectorize -fdump-tree-cunroll-details" } */
3 struct foo {int b; int a[3];} foo;
add(struct foo * a,int l)4 void add(struct foo *a,int l)
5 {
6   int i;
7   for (i=0;i<l;i++)
8     a->a[i]++;
9 }
10 /* { dg-final { scan-tree-dump "Loop 1 likely iterates at most 3 times." "cunroll"} } */
11 /* { dg-final { scan-tree-dump "Peeled loop 1, 4 times." "cunroll"} } */
12