gcc/testsuite/gcc.dg/tree-ssa/ipa-split-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fdump-tree-fnsplit" } */
   3
   4 void do_something_big (void);
   5
   6 int test2(int a)
   7 {
   8    if (a<100)
   9      return 1;
  10    do_something_big ();
  11    do_something_big ();
  12    do_something_big ();
  13    do_something_big ();
  14    do_something_big ();
  15    do_something_big ();
  16    do_something_big ();
  17    do_something_big ();
  18    do_something_big ();
  19    do_something_big ();
  20    do_something_big ();
  21    do_something_big ();
  22    do_something_big ();
  23    return 0;
  24 }
  25
  26 void
  27 test()
  28 {
  29   test2(10);
  30   test2(20);
  31 }
  32 /* { dg-final { scan-tree-dump-times "Splitting function" 1 "fnsplit"} } */