[PATCH] D42247: [Dominators] Fix some edge cases for PostDomTree updating

[Jakub Kuderski via Phabricator via llvm-commits]

kuhar added a comment.

In https://reviews.llvm.org/D42247#982869, @dmgreen wrote:

> Thanks.
>
> No objections from me. I don't know of any way that current in-tree passes will trigger these, they mostly come from batch updating post dom trees, which is not something I think happens just yet. They should be safe to go into the branch, if you think thats best.


ADCE uses the batch updater to update postdominators as well, ans it's used in 6.0.


Repository:
  rL LLVM

https://reviews.llvm.org/D42247