[polly] cleanup: do not compute isl_map_dim in the loop

[Tobias Grosser]

On 10/01/2013 07:34 PM, Sebastian Pop wrote:
> Hi,
>
> I would like to commit this patch that avoids the redundant computation of the
> upper bound of a loop and subsequent utilization of that bound.  Ok to commit?

LGTM

Thank you!

Tobias