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

[Frederik Harwath via llvm-commits]

frederik-h wrote:

> @davemgreen @aemerson @zixu-w @SundeepKushwaha @SixWeining @mandlebug @asb @andreisfr @koachan @kaz7 @RKSimon @uweigand @dschuff Ping.

 @davemgreen @aemerson @zixu-w @SundeepKushwaha @SixWeining @mandlebug @asb @andreisfr @koachan @kaz7 @RKSimon @uweigand @dschuff Concerning a review for this PR, would it be helpful to move the parts of this PR which are not related to amdgpu and expand-fp into a separate PR?

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