[PATCH] D45695: [CodeGen] Use RegUnits to track register aliases (NFC)

[Francis Visoiu Mistrih via Phabricator via llvm-commits]

thegameg added a reviewer: t.p.northover.
thegameg accepted this revision.
thegameg added a comment.
This revision is now accepted and ready to land.

Thanks for working on this! This looks good to me. Adding Tim for the AArch64LDST part.


https://reviews.llvm.org/D45695