feat: first prototype of optimizers + alloca optimizer

include/ir/optimize.hpp

@@ -0,0 +1,34 @@
+#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;
+    }
+};
+
+}