[clang] [llvm] [mlir] [AMDGPU] - Add address space for strided buffers (PR #74471)

[Nicolai Hähnle via cfe-commits]

https://github.com/nhaehnle commented:

Thanks!

Since the plan for now is to have the lowering in LLPC, it's unclear to me how many of the codegen-related changes we actually want in here, though I suppose they don't hurt.

https://github.com/llvm/llvm-project/pull/74471