[llvm] r208237 - do not collect undef terms

[Sebastian Pop]

Hal Finkel wrote:
> ----- Original Message -----
> > From: "Sebastian Pop" <spop at codeaurora.org>
> > To: "Hal Finkel" <hfinkel at anl.gov>
> > Cc: llvm-commits at cs.uiuc.edu
> > Sent: Wednesday, May 7, 2014 4:14:08 PM
> > Subject: Re: [llvm] r208237 - do not collect undef terms
> > 
> > Hal Finkel wrote:
> > > > do not collect undef terms
> > > 
> > > Why? What does this affect? (Is there a regression test?)
> > 
> > Because we don't know how to delinearize "undef * 8".
> > Tobi has sent out a .bc file that ICEs without this patch.
> 
> He sent it where? 

He sent it to llvm-commits as a reply to "split delinearization pass in 3 steps".

> So there is a regression test in polly for this? Can it be tested as an LLVM regression test?

Yes, I can try to add it.

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