1  /* The same test as 921011-1.c.  It can fails on gcc 4.1 due to a dfs
       2     traversal of the loops after versioning.  */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-options "-O2 -fmodulo-sched -fdump-rtl-sms" } */
       6  
       7  int th, h, em, nlwm, nlwS, nlw, sy;
       8  void
       9  fun (nb)
      10       int nb;
      11  {
      12  
      13    while (nb--)
      14      while (h--)
      15        {
      16  	nlw = nlwm;
      17  	while (nlw)
      18  	  {
      19  	    if (nlwS == 1)
      20  	      {
      21  	      }
      22  	    else
      23  	      if (nlwS == 1)
      24  		{
      25  		}
      26  	    nlwS--; nlw--;
      27  	  }
      28  	if (em)
      29  	  nlwS--;
      30  	if (++sy == th)
      31  	  sy = 0;
      32        }
      33  }