[PATCH] D84598: [JumpThreading] Add a basic support for freeze instruction

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune marked an inline comment as done.
aqjune added a comment.

erase_if seems great.

In the test, `freeze undef` can be folded into something. Maybe `GetBestDestForJumpOnUndef` can be used. I'll make this as a follow-up patch.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D84598