[PATCH] D51589: DAG: Fold extract_vector_elt (scalar_to_vector), K to undef

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D51589#1228474, @arsenm wrote:

> In https://reviews.llvm.org/D51589#1228234, @RKSimon wrote:
>
> > > Avoids regressions in a future commit.
> >
> > Do you have the patch available to show the test case?
>
>
> I think this was for https://reviews.llvm.org/D51736, but I somehow ended up avoiding needing this to avoid regressions.


So would you prefer to abandon this or try to add a different test?


https://reviews.llvm.org/D51589