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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-tree-fnsplit" } */
   3 int make_me_big (void);
   4 void do_work (void);
   5
   6 int
   7 split_me (int a)
   8 {
   9   if (__builtin_expect(a<10, 1))
  10     {
  11       do_work ();
  12     }
  13   else
  14     {
  15       make_me_big ();
  16       make_me_big ();
  17       make_me_big ();
  18       make_me_big ();
  19       return a+1;
  20     }
  21 }
  22
  23 int
  24 test(void)
  25 {
  26   return split_me (0)+split_me(1)+split_me(2);
  27 }
  28 /* { dg-final { scan-tree-dump-times "Splitting function" 1 "fnsplit"} } */