[Mlir-commits] [mlir] [mlir][gpu] Pattern to promote `gpu.shuffle` to specialized AMDGPU ops (PR #137109)

[Jakub Kuderski]

https://github.com/kuhar commented:

Why can't we emit `gpu.subgroup_reduce` instead of shuffle and use the lowering patterns from https://github.com/llvm/llvm-project/pull/133204 ? I'd like to understand why you are approaching it from the form that's already decomposed to shuffles.

https://github.com/llvm/llvm-project/pull/137109