[llvm] [CodeGen] expand-fp: Change frem expansion criterion (PR #158285)

[Frederik Harwath via llvm-commits]

frederik-h wrote:

> Hi @frederik-h ! Did you mean to ping @zixuan-wu ? I guess I got pulled in by accident and not really in the position to comment on this change.

Yes, I meant @zixuan-wu! Thank you @zixu-w.

https://github.com/llvm/llvm-project/pull/158285