gcc/testsuite/gcc.dg/tree-ssa/loop-39.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-sccp-details" } */
   3
   4 int
   5 foo (unsigned int n)
   6 {
   7   int i, r = 1;
   8   if (n > 0)
   9     {
  10       asm ("");
  11       if (n < 10)
  12         {
  13           asm ("");
  14           do
  15             {
  16               --n;
  17               r *= 2;
  18             }
  19           while (n > 0);
  20         }
  21     }
  22   return r + n;
  23 }
  24
  25 /* { dg-final { scan-tree-dump "# of iterations \[^\n\r]*, bounded by 8" "sccp" } } */