[mlir][Tensor] Dont drop attributes during tiling.

mlir/lib/Dialect/Tensor/IR/TensorTilingInterfaceImpl.cpp

FailureOr<TilingResult> tensor::bubbleUpPadSlice(OpBuilder &b,
   };
 
   // Emit a SliceOp and a PadOp. Should not be used in cases where
   // the result shape of the new SliceOp has a zero dimension.
   auto createPadOfExtractSlice = [&]() {
     // Create pad(extract_slice(x)).
     Value newSliceOp = b.create<tensor::ExtractSliceOp>(
         loc, padOp.getSource(), newOffsets, newLengths, newStrides);
-    auto newPadOp = b.create<PadOp>(loc, Type(), newSliceOp, newLows, newHighs,
-                                    /*nofold=*/padOp.getNofold());
+    auto newPadOp = b.create<PadOp>(
+        loc, Type(), newSliceOp, newLows, newHighs,
+        /*nofold=*/padOp.getNofold(),
+        getPrunedAttributeList(padOp, PadOp::getAttributeNames()));
 
     // Copy region to new PadOp.
     IRMapping bvm;
     padOp.getRegion().cloneInto(&newPadOp.getRegion(), bvm);
 
     // Cast result and return.
     return newPadOp;
   };