[Mlir-commits] [mlir] [mlir][mesh] Refactoring code organization, tests and docs (PR #79606)

[Chengji Yao]

yaochengji wrote:

Yeah, previously the type of `MeshShardingAttr` is created because it is intended to be used for both the `mesh.shard` operation and tensor. But now it is only used by the op, that's why I think the explicit `MeshShardingAttr` is not needed.

Of course, it could be changed in another PR.

https://github.com/llvm/llvm-project/pull/79606