td desc fix

Author: ita9naiwa

mlir/include/mlir/Dialect/Linalg/IR/LinalgRelayoutOps.td

@@ -204,6 +204,11 @@ def Linalg_PackOp : Linalg_RelayoutOp<"pack", [
     // Method to get the Shape of the result based on the input shape, inner
     // tiles, position of the inner tiles (innerDimsPos)  and interchange vector
     // of outer loops (outerDimsPerm).
+
+    /// Helper for PackOp::{getResultShape, inferPackedTensorType, inferPackedMemRefType}.
+    /// Returns the shape of the packed type. Having a shared helper helps
+    /// implement these three methods in a way that ensures
+    /// that they agree on which dimensions are dynamic.
     static SmallVector<int64_t> inferPackedShape(ArrayRef<int64_t> inputShape,
         ArrayRef<int64_t> innerTileSizes, ArrayRef<int64_t> innerDimsPos,
         ArrayRef<int64_t> outerDimsPerm = {});