1  /* { dg-do run { target avx_runtime } } */
       2  /* { dg-require-effective-target avx } */
       3  /* { dg-options "-O3 -mavx -fdump-tree-slp2" } */
       4  
       5  double x[4], y[4], z[4];
       6  void __attribute__((noipa)) foo ()
       7  {
       8    x[0] = y[0] - z[0];
       9    x[1] = y[1] + z[1];
      10    x[2] = y[2] - z[2];
      11    x[3] = y[3] + z[3];
      12  }
      13  void __attribute__((noipa)) bar ()
      14  {
      15    x[0] = y[0] + z[0];
      16    x[1] = y[1] - z[1];
      17    x[2] = y[2] + z[2];
      18    x[3] = y[3] - z[3];
      19  }
      20  int main()
      21  {
      22    for (int i = 0; i < 4; ++i)
      23      {
      24        y[i] = i + 1;
      25        z[i] = 2 * i + 1;
      26      }
      27    foo ();
      28    if (x[0] != 0 || x[1] != 5 || x[2] != -2 || x[3] != 11)
      29      __builtin_abort ();
      30    bar ();
      31    if (x[0] != 2 || x[1] != -1 || x[2] != 8 || x[3] != -3)
      32      __builtin_abort ();
      33    return 0;
      34  }
      35  
      36  /* { dg-final { scan-tree-dump-times "ADDSUB" 1 "slp2" } } */