gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-10.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-lim2-details" } */
   3
   4 int *l, *r;
   5 int test_func(void)
   6 {
   7   int i;
   8   int direction;
   9   static int pos;
  10
  11   pos = 0;
  12   direction = 1;
  13
  14   for ( i = 0; i <= 400; i++ )
  15     {
  16       if ( direction == 0 )
  17         pos = l[pos];
  18       else
  19         pos = r[pos];
  20
  21       if ( pos == -1 )
  22         {
  23           pos = 0;
  24           direction = !direction;
  25         }
  26     }
  27   return i;
  28 }
  29
  30 /* { dg-final { scan-tree-dump "Executing store motion of pos" "lim2" } } */