ASSERT_THAT(GetBuiltinCode(model_.operator_codes[op1->opcode_index].get()),
              Eq(BuiltinOperator_QUANTIZE));
  ASSERT_THAT(GetBuiltinCode(model_.operator_codes[op2->opcode_index].get()),
              Eq(BuiltinOperator_QUANTIZE));
  ASSERT_THAT(GetBuiltinCode(model_.operator_codes[op3->opcode_index].get()),
              Eq(BuiltinOperator_PACK));

    const std::unique_ptr<tflite::FlatBufferModel>& model_ptr) {
  llvm::SmallVector<Value, 4> operands;
  llvm::SmallVector<mlir::Type, 2> outputTypes;

  const tflite::OperatorCodeT& op_code = *op_codes.at(op.opcode_index);

  const std::string op_name = GetMlirOpName(op, op_code);

  OperationState op_state(loc, op_name);

  for (auto input_num : op.inputs) {
    if (input_num == -1) {