[PATCH] D42090: [DAGCombiner] Add a DAG combine to turn a splat build_vector where the splat elemnt is a bitcast from a vector type into a concat_vector

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D42090#977125, @spatel wrote:

> Can you upload again with context?
>
> Do you know if we can declare victory over PR34716 after this?
>  https://bugs.llvm.org/show_bug.cgi?id=34716


We still need to fix the missed load folding on that one.


https://reviews.llvm.org/D42090