view gcc/testsuite/gcc.dg/tree-ssa/ipa-split-5.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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line source

/* { dg-do compile { target { nonpic || pie_enabled } } } */
/* { dg-options "-O3 -fdump-tree-fnsplit -fdump-tree-optimized --param=builtin-expect-probability=100" } */

struct a {int a,b;};
struct a make_me_big (int a);
struct a split_me (int a)
{
  struct a retval;
  if (__builtin_expect (a!=0,1))
    {
      retval.a = 0;
      retval.b = 0;
      return retval;
    }
  else
    {
      struct a retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      retval = make_me_big (a);
      return retval;
    }
}
int val;
void
test()
{
  split_me (val);
  split_me (val);
  split_me (val);
  split_me (val);
}
/* { dg-final { scan-tree-dump-times "Splitting function" 1 "fnsplit"} } */
/* { dg-final { scan-tree-dump "part" "optimized"} } */