void runOnOperation() override;
};

// Rewrites the given op to `OpT` op after adding the given operand at the end.
template <typename OpT>
OpT AddOperandAndRewriteAs(Operation* op, Value operand, NamedAttrList attr,
                           OpBuilder* builder) {
  builder->setInsertionPoint(op);
  auto operands = llvm::to_vector<4>(op->getOperands());
  operands.push_back(operand);