1 /* { dg-do compile } */
2 /* { dg-require-effective-target vect_int } */
3 
4 int
f(int * x,int b1,int b2,int b3)5 f (int *x, int b1, int b2, int b3)
6 {
7   int foo = 0;
8   for (int i1 = 0; i1 < b1; ++i1)
9     for (int i2 = 0; i2 < b2; ++i2)
10       for (int i3 = 0; i3 < b3; ++i3)
11 	foo += x[i1 * b2 * b3 + i2 * b3 + (i3 - 1)];
12   return foo;
13 }
14 
15 /* { dg-final { scan-tree-dump "vectorized 1 loops in function" "vect" } } */
16