[Polly] Last (real) redution preperation patch

[Tobias Grosser]

On 26/06/2014 02:26, Doerfert, Johannes wrote:
> Hey,
>
> Attached the last real reduction dependency preparation patch which just moves the computation of red/priv dependences into the wrapped space.
> What do you guys think?

Looks plain and simple.

I don't see a problem with it as it is, but did not check in detail for 
even better approaches. ;-)

Tobias