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

[Sebastian Pop]

Tobias Grosser wrote:
> 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
> 

Committed as https://llvm.org/svn/llvm-project/polly/trunk@191969

Sebastian
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