[Mlir-commits] [mlir] [mlir][spirv][gpu] Add lowering for gpu.subgroup_broadcast (PR #187947)

[Igor Wodiany]

IgWod wrote:

It looks like adding `llvm_unreachable()` was an incorrect thing to do, since it generates a warning treated as an error. It looks like we need to go back to the original `switch`, sorry for that, I didn't expect it. Otherwise LGTM.

https://github.com/llvm/llvm-project/pull/187947