[llvm-branch-commits] [clang] [llvm] [mlir] [RFC][AMDGPU] Add BARRIER address space (PR #195613)

[Sameer Sahasrabuddhe via llvm-branch-commits]

ssahasra wrote:

> I also assumed we'd like to reuse the AS for future exec sync cases, or even for abstract HW resources (my first draft called the AS "HW_RESOURCE").
> 
> If we don't plan to do so and would rather add even more AS later if needed, that is fine (and a better idea than reusing the AS, IMO).

So this implies that for any hardware resource that needs to be "addressed" from a high-level program, if that resource has a contiguous range of IDs built into hardware, then creating a new address space for it is the likely direction to take. Is that correct?

https://github.com/llvm/llvm-project/pull/195613