patterns.add<quant::FoldTrivalRequantizeOp<QuantizeOp>>(ctx);
  patterns.add<PruneUnusedOpsWithSideEffect<TFL::LSTMOp>>(ctx);
  patterns.add<PruneUnusedOpsWithSideEffect<TFL::UnidirectionalSequenceLSTMOp>>(
      ctx);
  patterns.add<PruneUnusedOpsWithSideEffect<TFL::SVDFOp>>(ctx);
  patterns.add<PruneUnusedOpsWithSideEffect<TFL::CustomOp>>(ctx,
                                                            custom_op_map_);