1 /* { dg-do run } */
2 
3 #include "tree-vect.h"
4 
5 void __attribute__((noipa))
foo(long * a,int off,int n)6 foo (long *a, int off, int n)
7 {
8   for (int i = 0; i < n; ++i)
9     {
10       long tem1 = a[0];
11       long tem2 = a[1];
12       long tem3 = a[2];
13       long tem4 = a[off + 1];
14       a[0] = tem4;
15       long tem5 = a[off + 2];
16       a[1] = tem5;
17       long tem6 = a[off + 3];
18       a[2] = tem6;
19       a[off + 1] = tem1;
20       a[off + 2] = tem2;
21       a[off + 3] = tem3;
22       a -= 3;
23     }
24 }
25 
main()26 int main ()
27 {
28   long a[3 * 9];
29   check_vect ();
30   for (int i = 0; i < 3 * 9; ++i)
31     a[i] = i;
32   foo (a + 3 * 5, 6-1, 5);
33   const long b[3 * 8] = { 0, 1, 2, 21, 22, 23, 18, 19, 20, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 };
34   for (int i = 0; i < 3 * 8; ++i)
35     if (a[i] != b[i])
36       __builtin_abort ();
37   return 0;
38 }
39