1  /* Verify straight-line strength reduction for multiply candidates
       2     with variable stride and control flow.  */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-options "-O3 -fdump-tree-optimized" } */
       6  
       7  int
       8  f (int n, int x, int stride)
       9  {
      10    int a, x1, x2, x3;
      11  
      12    a = x * stride;
      13  
      14    if (n > 64)
      15      {
      16        x1 = x + 3;
      17        a += x1 * stride;
      18        x2 = x1 + 3;
      19        a += x2 * stride;
      20        x3 = x2 + 3;
      21        a += x3 * stride;
      22      }
      23  
      24    return a;
      25  }
      26  
      27  /* { dg-final { scan-tree-dump-times " \\* stride" 1 "optimized" } } */
      28  /* { dg-final { scan-tree-dump-times " \\* 3" 1 "optimized" } } */