[llvm-commits] More VPSHUFB optimizations for AVX2 - please review

[Nadav Rotem]

LGTM. 

Can you rename CommuteVectorShuffleMask to a better name, such as, SwapOperandInShuffleMask ?


On Sep 10, 2012, at 12:15 PM, "Demikhovsky, Elena" <elena.demikhovsky at intel.com> wrote:

> The VPSHUFB 256-bit instruction may be generated when one of input vector is undefined or zeroinitializer.
> I've added the "zeroinitializer" case in this patch.
> Please review.
> 
> Thanks.
> - Elena
> 
> 
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