[llvm] r228899 - [slp] Fix a nasty bug in the SLP vectorizer that Joerg pointed out.

[Joerg Sonnenberger]

On Wed, Feb 11, 2015 at 07:40:05PM -0800, Chandler Carruth wrote:
> On Wed, Feb 11, 2015 at 6:30 PM, Chandler Carruth <chandlerc at gmail.com>
> wrote:
> 
> > Author: chandlerc
> > Date: Wed Feb 11 20:30:56 2015
> > New Revision: 228899
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=228899&view=rev
> > Log:
> > [slp] Fix a nasty bug in the SLP vectorizer that Joerg pointed out.
> >
> 
> FYI, Joerg indicated this is at least in some cases a regression from 3.5,
> so it seems good to pull into the 3.6 branch Hans.

Correct. With this change pulled in, the original test case compiles.
When I'm in the office, I'll see if the rest of the messy source package
is happy too :)

Joerg