[PATCH] D44282: [PR16756] JumpThreading: explicitly update SSA rather than use SSAUpdater.

[Alex Crichton via Phabricator via llvm-commits]

alexcrichton added a comment.

I've bisected a recent regression we discovered in Rust <https://bugs.llvm.org/show_bug.cgi?id=38047> to this commit and cc'd some of y'all on the bug there, but if anyone else would like to help take a look at the performance regression there that'd be much appreciated!


Repository:
  rL LLVM

https://reviews.llvm.org/D44282