[llvm] [NFC] Add useFPRegsForHalfType(). (PR #74147)

[Harald van Dijk via llvm-commits]

hvdijk wrote:

Thanks!

> Are you planning to have another PR with changes to targets? It's not yet too late to get it in 18.1.0.

I have the commit for ARM ready to create a PR as soon as I confirm no new tests need updating, will create that later today. I would be very happy if that can get into 18.1.0.

https://github.com/llvm/llvm-project/pull/74147