[Mlir-commits] [mlir] [mlir][gpu] Add `broadcast_lane` op (PR #152808)

[Jakub Kuderski]

kuhar wrote:

> As far as I understand, there is a difference between shuffle and broadcast here, but this distinction exists only for AMDGPU. I’m not familiar with Intel GPUs or others, but NVIDIA GPUs don’t have this distinction in PTX level.
> 
> I’d recommend implementing this op in the AMD-specific dialect rather than in the target agnostic GPU dialect.

It also exists at the level of SPIR-V

https://github.com/llvm/llvm-project/pull/152808