gcc/testsuite/gcc.dg/tree-ssa/ipa-split-5.c

   1 /* { dg-do compile { target nonpic } } */
   2 /* { dg-options "-O3 -fdump-tree-fnsplit -fdump-tree-optimized --param=builtin-expect-probability=100" } */
   3
   4 struct a {int a,b;};
   5 struct a make_me_big (int a);
   6 struct a split_me (int a)
   7 {
   8   struct a retval;
   9   if (__builtin_expect (a!=0,1))
  10     {
  11       retval.a = 0;
  12       retval.b = 0;
  13       return retval;
  14     }
  15   else
  16     {
  17       struct a retval = make_me_big (a);
  18       retval = make_me_big (a);
  19       retval = make_me_big (a);
  20       retval = make_me_big (a);
  21       retval = make_me_big (a);
  22       retval = make_me_big (a);
  23       retval = make_me_big (a);
  24       retval = make_me_big (a);
  25       retval = make_me_big (a);
  26       retval = make_me_big (a);
  27       retval = make_me_big (a);
  28       retval = make_me_big (a);
  29       retval = make_me_big (a);
  30       retval = make_me_big (a);
  31       retval = make_me_big (a);
  32       retval = make_me_big (a);
  33       retval = make_me_big (a);
  34       retval = make_me_big (a);
  35       retval = make_me_big (a);
  36       retval = make_me_big (a);
  37       retval = make_me_big (a);
  38       retval = make_me_big (a);
  39       retval = make_me_big (a);
  40       return retval;
  41     }
  42 }
  43 int val;
  44 void
  45 test()
  46 {
  47   split_me (val);
  48   split_me (val);
  49   split_me (val);
  50   split_me (val);
  51 }
  52 /* { dg-final { scan-tree-dump-times "Splitting function" 1 "fnsplit"} } */
  53 /* { dg-final { scan-tree-dump "part" "optimized"} } */