[PATCH][AVX512] Added patterns for zext_load and masked broadcast.

[Nadav Rotem]

Hi Aleksey, 

Can you please reduce the size of the test cases ?  Otherwise the patch LGTM. 

Thanks,
Nadav

On Dec 4, 2013, at 10:02 AM, Bader, Aleksey A <aleksey.a.bader at intel.com> wrote:

> <llvm.knl.zload.and.broadcast.patch>