[PATCH] D119469: [AArch64] Turn truncating buildvectors into truncates

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> creating an illegal v4i8 concat that gets expanded into a BUILD_VECTOR

Maybe it would make sense to stop this from happening?  concat_vectors where the operands will be widened seems like it would be a common pattern.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D119469/new/

https://reviews.llvm.org/D119469