[Mlir-commits] [mlir] [mlir][mesh] Add collective communication operations (PR #71960)

[Chengji Yao]

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+// RUN: mlir-opt --canonicalize %s | FileCheck %s
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yaochengji wrote:

Seems the test for `mesh.all_to_all` is missing.

https://github.com/llvm/llvm-project/pull/71960