[Mlir-commits] [mlir] Implement gpu.subgroup_reduce with DPP intrinsics on AMD GPUs (PR #133204)

[Matt Arsenault]

arsenm wrote:

> @arsenm This is meant to implement https://github.com/GPUOpen-Drivers/llpc/blob/188bbf6a5b9403813e51d39f6fc8429550dbf267/lgc/builder/SubgroupBuilder.cpp#L570 - do the intrinsics you mention handle all those cases?

The current use is just for backend internal uses, but the hope is to generalize it for other uses 

https://github.com/llvm/llvm-project/pull/133204