[clang] [llvm] [AMDGPU] Emit a waitcnt instruction after each memory instruction (PR #68932)

[Matt Arsenault via cfe-commits]

arsenm wrote:

> So, while it's possible to create a combined option, using a separate option also makes sense. Do we generally try to avoid creating new command-line options?

Looking again, I see they are different and unrelated. I don't really understand why we have amdgpu-waitcnt-forcezero, I'm not sure I've ever used it. I always expected it to behave like this flag.



https://github.com/llvm/llvm-project/pull/68932