[llvm] AMDGPU: Remove flat/global fmin/fmax intrinsics (PR #105642)

[Gheorghe-Teodor Bercea via llvm-commits]

doru1004 wrote:

I would still like to see something like the functions I suggested in my previous comment. Something that will be equivalent with the intrinsic that is being eliminated. These functions would use the new atomicRMW method AND also set the attributes accordingly such that it matches the behavior of the intrinsic.

https://github.com/llvm/llvm-project/pull/105642