[PATCH] D81256: Upgrade TypePromotionTransaction to be able to report changes in CodeGenPrepare

[Jay Foad via Phabricator via llvm-commits]

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

Looks good to me now - though it would still be nice to hear from @qcolombet as the author of `TypePromotionTransaction`.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81256/new/

https://reviews.llvm.org/D81256