Subversion Repositories openrisc_me

/* { dg-do compile } */
/* { dg-options "-O2 -fipa-sra -fdump-tree-eipa_sra-details" } */
 
static int
__attribute__((noinline))
ox (int *i)
{
  return *i+4**i;
}
 
int *holder;
 
static int
__attribute__((noinline))
ox_ctrl_1 (int *j)
{
  holder = j;
  return *j+4 * *j+1;
}
 
static void
__attribute__((noinline))
ox_ctrl_2 (int *k)
{
  *k = 8;
}
 
static int zzz[10];
 
static int
__attribute__((noinline))
ox_improved (int recurse, int *l)
{
  int r = 0;
 
  r = *l;
 
  if (recurse)
    {
      if (recurse > 2)
	l = &zzz[3];
      else
	l = zzz;
 
      ox_improved (0, l);
    }
 
  return r;
}
 
void caller (void)
{
  int a = 1;
  int b = 10;
  int c;
 
  ox (&a);
  ox_ctrl_1 (&a);
  ox_ctrl_2 (&a);
  *holder = ox_improved (1, &b);
  return;
}
 
/* { dg-final { scan-tree-dump "About to replace expr \\*i_.*D. with ISRA" "eipa_sra"  } } */
/* { dg-final { scan-tree-dump "About to replace expr \\*l_.*D. with ISRA" "eipa_sra"  } } */
/* { dg-final { scan-tree-dump-times "About to replace expr \*j_.*D. with ISRA" 0 "eipa_sra"  } } */
/* { dg-final { scan-tree-dump-times "About to replace expr \*k_.*D. with ISRA" 0 "eipa_sra"  } } */
/* { dg-final { cleanup-tree-dump "eipa_sra" } } */