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

[Zixu Wang via llvm-commits]

zixu-w 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.

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