1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -mavx512f -fdump-tree-vect-details" } */
       3  
       4  void foo (int n, int *off, double *a)
       5  {
       6    const int m = 32;
       7  
       8    for (int j = 0; j < n/m; ++j)
       9      {
      10        int const start = j*m;
      11        int const end = (j+1)*m;
      12  
      13  #pragma GCC ivdep
      14        for (int i = start; i < end; ++i)
      15  	{
      16  	  a[off[i]] = a[i] < 0 ? a[i] : 0;
      17  	}
      18      }
      19  }
      20  
      21  /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */