[PATCH] D103756: [DAG] Allow isNullOrNullSplat to see truncated zeroes

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.

LGTM - cheers

> Whilst I'm here also add a call to peekThroughBitcasts as bitcast Zero is still Zero, and removed a related TODO comment from isOneOrOneSplat as the bitcast of 1 isn't always still 1.

You need to update the patch summary.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103756/new/

https://reviews.llvm.org/D103756