[PATCH] D110745: Redefine deref(N) attribute family as point-in-time semantics (aka deref-at-point)

[Nuno Lopes via Phabricator via llvm-commits]

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

LGTM. We have discussed this before. It's important to fix the reference types in C++.



================
Comment at: llvm/test/Analysis/BasicAA/dereferenceable.ll:66
 ; CHECK:     Function: local_and_deref_ret_2: 2 pointers, 2 call sites
-; CHECK-NEXT:  NoAlias:	i32* %obj, i32* %ret
+; CHECK-NEXT:  MayAlias:	i32* %obj, i32* %ret
 bb:
----------------
this one is unfortunate.. They can't alias because objsize(%obj) < dereferenceable size of %ret. This case should be trivial to catch.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110745/new/

https://reviews.llvm.org/D110745