[Mlir-commits] [mlir] [mlir][mesh] In sharding attr use FlatSymbolRefAttr instead of SymbolRefAttr (PR #76886)

[Boian Petkantchin]

sogartar wrote:

> Do you have a motivation for this?
I cargo culted from `func.call` the flat symbol refs for the other collective ops and I wanted the Mesh dialect to be consistent. I taught that flat symbols are less complicated and I could not think of a good reason for nested symbols right now.

https://github.com/llvm/llvm-project/pull/76886