[PATCH] D84220: [IPSCCP] Fix a bug that the "returned" attribute is not cleared when function is optimized to return undef

[Johannes Doerfert via Phabricator via llvm-commits]

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

This diff is only against the last version, squash the commits locally before merging them into master. LGTM, apologies for the long time this took.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84220/new/

https://reviews.llvm.org/D84220