[Mlir-commits] [mlir] Lower allreduce (PR #144716)

[Anton Lydike]

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@@ -584,11 +584,11 @@ def Mesh_AllReduceOp : Mesh_CollectiveCommunicationOpBase<"all_reduce", [
     ```
   }];
   let arguments = !con(commonArgs, (ins
-    AnyRankedTensor:$input,
+    AnyTypeOf<[AnyMemRef, AnyRankedTensor]>:$input,
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AntonLydike wrote:

I wonder if this is the way to go, isn't the sharding dialect supposed to be tensor only? I would expect MPI to insert some bufferization dialect ops to get to the memref. Although admittedly, my knowledge here is very flaky.

https://github.com/llvm/llvm-project/pull/144716