[llvm] Reapply "[AMDGPU] Intrinsic for launching whole wave functions" (PR #153584)

[Jan Patrick Lehr via llvm-commits]

jplehr wrote:

Thank you for surfacing this bot behavior. I have put up https://github.com/llvm/llvm-zorg/pull/550 to address that.

https://github.com/llvm/llvm-project/pull/153584