[PATCH] Fix PR19657 : SLP vectorization doesn't combine scalar load to vector loads

[Nadav Rotem]

Hi Karthik, 

Can you please measure the effects of this patch on the LLVM test suite?  It would be interesting to see if other workloads are affected by this change and if they improve or regress.

Thanks,
Nadav

http://reviews.llvm.org/D3800