[llvm] r200607 - Update a .fill test to use the updated semantics.

[Rafael Espíndola]

>  # CHECK: TEST2:
> -# CHECK: .quad 4
> +# CHECK: .long 4
> +# CHECK: .long 0
>  TEST2:

Is this desirable? The old code was using a .quad in a target that
doesn't support it?

Cheers,
Rafael