[LLVMdev] Please benchmark new x86 vector shuffle lowering, planning to make it the default very soon!

[Chandler Carruth]

FWIW, I agree with Quentin. I'm actually confident I have test cases
covering all of these.

On Fri, Sep 19, 2014 at 1:22 PM, Andrea Di Biagio <andrea.dibiagio at gmail.com
> wrote:

> 3.  When zero extending 2 packed 32-bit integers, we should try to
> emit a vpmovzxdq
> Example:
>   vmovq  20(%rbx), %xmm0
>   vpshufd $80, %xmm0, %xmm0 # %xmm0 = %xmm0[0,0,1,1]
>
> Before:
>    vpmovzxdq  20(%rbx), %xmm0
>

This one is already fixed.
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