1  /* { dg-do compile } */
       2  /* { dg-options "-mavx2 -O3 -fdump-tree-vect-details" } */
       3  
       4  #define N 32
       5  typedef unsigned int u32;
       6  u32 a[N];
       7  
       8  void foo()
       9  {
      10    int i;
      11    for (i=0; i<N;i++)
      12      a[i] = 1 << i;
      13  }
      14  /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */