[PATCH] [Polly] Model PHI nodes without demoting them

[Tobias Grosser]

On 05.02.2015 16:59, Johannes Doerfert wrote:
> I don't know what test you exactly want. I added some and also fixed an
> inconsistency I encountered along the way. If you want a specific test please
> give me some C snippet or a at least a more precise description.

The tests look fine and the code looks good. Feel free to push this out. 
If necessary, we can optimize/adjust the patch when when the 
code-generation is in.

Cheers,
Tobias