[Mlir-commits] [mlir] [mlir][amdgpu] Promote gpu.shuffle to amdgpu.dpp (PR #155158)

[Jakub Kuderski]

kuhar wrote:

> 3\. just return invalid for thread ids >= `width`.

Do you mean something like:
```mlir
%x = gpu.shuffle ... width=32
%y = gpu.lane_id
%res = select %y < 32, %x, poison
```
?


https://github.com/llvm/llvm-project/pull/155158