[llvm] [AMDGPU][True16][CodeGen] stop emitting spgr_lo16 from isel (PR #144819)

[Brox Chen via llvm-commits]

broxigarchen wrote:

Hi @abidh, as discussed offline, can you try cherry-pick this patch and check some openMP testing with -O0? Thanks!

https://github.com/llvm/llvm-project/pull/144819