gcc/testsuite/gcc.dg/tree-ssa/fnsplit-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-fnsplit-blocks-details" } */
   3 void q (void);
   4 int b;
   5 void test (void);
   6 void
   7 split_me (int *a)
   8 {
   9   if (__builtin_expect (a==0, 0))
  10     do
  11     {
  12       test();
  13       test();
  14       test();
  15       test();
  16       test();
  17     }
  18     while (b);
  19   else
  20     q();
  21 }
  22
  23 int
  24 main(void)
  25 {
  26   int i;
  27   for (i = 0; i < 1000; i++)
  28     split_me(&i);
  29   return 0;
  30 }
  31
  32 /* { dg-final { scan-tree-dump-times "Splitting function at:" 1 "fnsplit"} } */
  33 /* { dg-final { scan-tree-dump-times "Invalid sum" 0 "fnsplit"} } */