[llvm] [AMDGPU] Split struct kernel arguments (PR #133786)

[Shilei Tian via llvm-commits]

https://github.com/shiltian commented:

Another question is, does it affect explicit kernel launch via `hipLaunchKernelGGL` or even the lower level use via HSA?

https://github.com/llvm/llvm-project/pull/133786