[Mlir-commits] [mlir] [MLIR][Mesh] Add sharding propagation pass (PR #69665)

[Mehdi Amini]

================
@@ -0,0 +1,87 @@
+//===- ShardingInterfaces.td -------------------------------*- tablegen -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef MLIR_DIALECT_MESH_INTERFACES_SHARDINGINTERFACE_TD
+#define MLIR_DIALECT_MESH_INTERFACES_SHARDINGINTERFACE_TD
+
+include "mlir/IR/OpBase.td"
+
+def ShardingInterface : OpInterface<"ShardingInterface"> {
+    let description = [{
+        Interface for allowing operations to expose information needed to
+        shard them.
+    }];
+    let cppNamespace = "::mlir::mesh";
+
+    let methods = [
+      InterfaceMethod<
+        /*desc=*/[{
+          Returns a list of iterator types that describe the number of loops.
----------------
joker-eph wrote:

It's not clear what 'number of loops' means, you need to expand here.

https://github.com/llvm/llvm-project/pull/69665