PoisonValue.h

Go to the documentation of this file.

// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <memory>
#include <string>
#include <typeinfo>
#include <utility>
 
#include "mini-llvm/ir/Constant.h"
#include "mini-llvm/ir/ConstantVisitor.h"
#include "mini-llvm/ir/Type.h"
 
namespace mini_llvm::ir {
 
class PoisonValue final : public Constant {
public:
    explicit PoisonValue(std::unique_ptr<Type> type) : type_(std::move(type)) {}
 
    std::unique_ptr<Type> type() const override {
        return type_->clone();
    }
 
    void accept(ConstantVisitor &visitor) override {
        visitor.visitPoisonValue(*this);
    }
 
    void accept(ConstantVisitor &visitor) const override {
        visitor.visitPoisonValue(*this);
    }
 
    std::string format() const override {
        return "poison";
    }
 
    std::unique_ptr<Value> clone() const override {
        return std::make_unique<PoisonValue>(type());
    }
 
protected:
    bool equals(const Constant &other) const override {
        return typeid(*this) == typeid(other);
    }
 
private:
    std::unique_ptr<Type> type_;
};
 
} // namespace mini_llvm::ir