tensor_shape {
            }
            int_val: 0
          }
        }
      }
    }
    node {
      name: "save/ShardedFilename"
      op: "ShardedFilename"
      input: "save/StringJoin"
      input: "save/ShardedFilename/shard"
      input: "save/num_shards"
      attr {
        key: "_output_shapes"
        value {
          list {
            shape {

                }
                int_val: 0
              }
            }
          }
        }
        node_def {
          name: "ShardedFilename"
          op: "ShardedFilename"
          input: "StringJoin:output:0"
          input: "ShardedFilename/shard:output:0"
          input: "num_shards:output:0"
          device: "/device:CPU:0"
          attr {
            key: "_output_shapes"

  TF_DerivedResultTypeAttr out_type = TF_DerivedResultTypeAttr<0>;

  let hasVerifier = 1;

  let hasCanonicalizer = 1;
}

def TF_ShardedFilenameOp : TF_Op<"ShardedFilename", [Pure]> {
  let summary = [{
Generate a sharded filename. The filename is printf formatted as
  }];

  let description = [{
%s-%05d-of-%05d, basename, shard, num_shards.
  }];