[Mlir-commits] [mlir] [[mlir][linalg] Infer reduction-neutral padding values in rewriteAsPaddedOp (PR #216517)

[Andrzej Warzyński]

================
@@ -263,6 +266,151 @@ static Value padOperand(OpBuilder &builder, TilingInterface opToPad,
                                paddingValue, /*nofold=*/false, dynDims);
 }
 
+/// Returns true if `operand` is indexed along at least one reduction dimension
+/// of `linalgOp`
+static bool isReducedOperand(linalg::LinalgOp linalgOp, OpOperand *operand,
+                             ArrayRef<utils::IteratorType> iterTypes) {
+  AffineMap map = linalgOp.getMatchingIndexingMap(operand);
----------------
banach-space wrote:

```suggestion
  assert(operand->getOwner() == linalgOp.getOperation() &&
       "expected operand to belong to the LinalgOp");
       
  AffineMap map = linalgOp.getMatchingIndexingMap(operand);
```

https://github.com/llvm/llvm-project/pull/216517