pr21458.c

linux下编程用 编译软件

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp" } */

extern void g (void);
extern void bar (int);

int
foo (int a)
{
  int i;

  for (i = 1; i < 100; i++)
    {
      if (i)
	g ();
    }
}

/* { dg-final { scan-tree-dump-times "Folding predicate.*to 1" 1 "vrp" } } */
/* { dg-final { cleanup-tree-dump "vrp" } } */