[PATCH] D41908: [X86][MMX] Add support for MMX zero vector creation

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D41908#973621, @reames wrote:

> In https://reviews.llvm.org/D41908#972788, @efriedma wrote:
>
> > > Wouldn't we already need/have handling for a zeroinitializer constant of x86_mmx type?
> >
> > From LangRef: "There are no arrays, vectors or constants of this type."
>
>
> Should we consider changing that?  We can always revise the LangRef to allow constants if that simplifies the implementation.


It's worth looking into, but I'd prefer to get this in first.


Repository:
  rL LLVM

https://reviews.llvm.org/D41908