1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1" } */
       3  
       4  typedef int veci __attribute__ ((vector_size (4 * sizeof (int))));
       5  
       6  void fun (veci *f, veci *g, veci *h, veci *i)
       7  {
       8    veci m = { 7, 7, 4, 6 };
       9    veci n = { 0, 1, 2, 3 };
      10    veci p = { 1, 1, 7, 6 };
      11    *i = __builtin_shuffle (*i,  p, m);
      12    *h = __builtin_shuffle (*h, *h, p);
      13    *g = __builtin_shuffle (*f, *g, m);
      14    *f = __builtin_shuffle (*f, *g, n);
      15  }
      16  
      17  /* { dg-final { scan-tree-dump "VEC_PERM_EXPR.*{ 3, 3, 0, 2 }" "fre1" } } */
      18  /* { dg-final { scan-tree-dump "VEC_PERM_EXPR.*{ 1, 1, 3, 2 }" "fre1" } } */
      19  /* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 2 "fre1" } } */