gcc/testsuite/gcc.dg/sms-2.c

   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 -dm" } */
   6
   7
   8 void
   9 fun (nb)
  10      int nb;
  11 {
  12   int th, h, em, nlwm, nlwS, nlw, sy;
  13
  14   while (nb--)
  15     while (h--)
  16       {
  17         nlw = nlwm;
  18         while (nlw)
  19           {
  20             if (nlwS == 1)
  21               {
  22               }
  23             else
  24               if (nlwS == 1)
  25                 {
  26                 }
  27             nlwS--; nlw--;
  28           }
  29         if (em)
  30           nlwS--;
  31         if (++sy == th)
  32           sy = 0;
  33       }
  34 }
  35
  36 /* { dg-final { cleanup-rtl-dump "sms" } } */