token);
    return true;
  }

  return false;
}

// Updates function type based on current function body block arguments and
// terminator operand types.
void UpdateFunctionType(OpBuilder& builder, func::FuncOp func,
                        Block& func_body) {
  auto new_argument_types = llvm::to_vector(func_body.getArgumentTypes());
  auto new_result_types =