29 lines
578 B
C
29 lines
578 B
C
|
/* { dg-do compile { target { nonpic } } } */
|
||
|
/* { dg-options "-O2 -fdump-tree-optimized" } */
|
||
|
static int a;
|
||
|
int f;
|
||
|
void bar (void) __attribute__((noinline));
|
||
|
void bar (void)
|
||
|
{
|
||
|
f = 9;
|
||
|
}
|
||
|
|
||
|
void link_error ();
|
||
|
|
||
|
int foo()
|
||
|
{
|
||
|
int b, c;
|
||
|
a = 5;
|
||
|
b = a;
|
||
|
bar ();
|
||
|
b = b + a;
|
||
|
if (b != 10)
|
||
|
link_error ();
|
||
|
return b;
|
||
|
}
|
||
|
|
||
|
/* We should have removed the link_error on the tree level as GCC can tell that
|
||
|
a is not touched by the calling bar at all. */
|
||
|
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
|
||
|
/* { dg-final { cleanup-tree-dump "optimized" } } */
|