[PATCH] D48111: [JumpThreading] Don't try to rewrite a use if it's already valid.

[Jakub Kuderski via Phabricator via llvm-commits]

kuhar added a comment.

In https://reviews.llvm.org/D48111#1138598, @davide wrote:

> LGTM. @kuhar ?


I'm not familiar with this part of the optimizer enough to say anything more than it doesn't look obviously broken to me.


Repository:
  rL LLVM

https://reviews.llvm.org/D48111