gcc/testsuite/gcc.dg/tree-ssa/split-path-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fsplit-paths -fdump-tree-split-paths-details -w" } */
   3
   4 powi_cost (long n)
   5 {
   6   unsigned char cache[256];
   7   unsigned long digit;
   8   unsigned long val;
   9   int result;
  10   while (val >= 256)
  11     {
  12       if (val & 1)
  13         {
  14           result += powi_lookup_cost (digit, cache) + 3 + 1;
  15         }
  16       else
  17         {
  18           val >>= 1;
  19         }
  20     }
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "Duplicating join block" 1 "split-paths" } } */
  24