[PATCH] D20639: SLPVectorizer: Move propagateMetadata to VectorUtils

[Matt Arsenault via llvm-commits]

arsenm added a comment.

In http://reviews.llvm.org/D20639#455104, @jlebar wrote:

> This patch seems to fix it for me.  https://gist.github.com/7219541341dd9029d0c038ec59246f8b
>
> This is less restrictive than SLPVectorizer's propagateMetadata in that it doesn't touch unknown metadata.  But since SLPVectorizer seems to create all its "To" instructions from scratch, that doesn't seem like a material difference.


Do you have a reduced testcase to go with it?


http://reviews.llvm.org/D20639