20030807-2.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 28 行

/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom3" } */
     
extern void abort (void);

oof ()
{
  int live_head;
  int * live = &live_head;

  if (live)
   bitmap_clear (live);
}

foo(int n)
{
  int *space = (int *)__builtin_alloca (n);

  if (space == 0)
    abort ();
  else
    bar (space);
}

                                                                               
/* There should be no IF conditionals.  */
/* { dg-final { scan-tree-dump-times "if " 0 "dom3"} } */