#pragma once
#include "ir/op.hpp"
#include "prelude/linkedlist.hpp"

namespace IR {

class Optimizer
{
public:
    virtual bool Apply(DoubleLinkedList<Op*>& ops) = 0;
};

class AllocOptimizer : public Optimizer
{
public:
    bool Apply(DoubleLinkedList<Op*>& ops) override
    {
        for (ListNode<Op*>* cur = ops.Begin(); cur != nullptr; )
        {
            auto op = cur->value;
            if (op->GetType() == OpType::ALLOCATE)
            {
                auto tmp = cur;
                cur = cur->next;
                ops.SpliceFront(tmp);
            } else {
                cur = cur->next;
            }
        }
        return true;
    }
};

}