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

[Mehdi Amini]

================
@@ -24,4 +24,26 @@
 #define GET_OP_CLASSES
 #include "mlir/Dialect/Mesh/IR/MeshOps.h.inc"
 
+namespace mlir {
+namespace mesh {
+
+bool isReductionLoop(IteratorType iType);
+
+bool areReductionAndPartialMatch(IteratorType iType, Partial partial);
+
+template <typename T>
+void removeTrailingEmptySubArray(SmallVector<SmallVector<T>> &array) {
+  for (int64_t i = array.size() - 1; i >= 0; i--) {
+    if (array[i].empty())
+      array.pop_back();
+    else
+      break;
+  }
----------------
joker-eph wrote:

```suggestion
  while(!array.empty() && array.back().empty()) array.pop_back();
```


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