feat: migrate from OpView to DoubleLinkedList<Op*> + multiple

funciton arguments

include/codegen/codegen.hpp

@@ -1,5 +1,6 @@
 #pragma once
 #include "ir/op.hpp"
+#include "prelude/linkedlist.hpp"
 #include "prelude/string.hpp"
 
 class CodeGenerator
@@ -9,7 +10,7 @@ public:
     virtual ~CodeGenerator() {}
 
 public:
-    virtual bool Generate(const IR::OpView* ops) = 0;
+    virtual bool Generate(const DoubleLinkedList<IR::Op*>* ops) = 0;
     StringView GetOutput() { return output().view(); }
 
 protected: