1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -funswitch-loops -fdump-tree-unswitch-optimized" } */
       3  
       4  int
       5  foo(double *a, double *b, double *c, double *d, double *r, int size, int order)
       6  {
       7    for (int i = 0; i < size; i++)
       8    {
       9      double tmp;
      10  
      11      if (order < 3)
      12        tmp = -8 * a[i];
      13      else
      14        tmp = -4 * b[i];
      15  
      16      double x = 3 * tmp + d[i] + tmp;
      17  
      18      if (5 > order)
      19        x += 2;
      20  
      21      if (order == 12345)
      22        x *= 5;
      23  
      24      double y = 3.4f * tmp + d[i];
      25      r[i] = x + y;
      26    }
      27  
      28    return 0;
      29  }
      30  
      31  /* { dg-final { scan-tree-dump-times "unswitching loop . on .if. with condition: order" 3 "unswitch" } } */