feat: SCC analysis (WIP)

src/eval/jit/mod.rs

@@ -139,10 +139,10 @@ impl<'ctx> JITContext<'ctx> {
     }
 
     pub fn compile(&self, ir: Ir) -> JITFunc {
-        
+        todo!()
     }
 
-    pub fn get_tag(&self, val: BasicValueEnum<'ctx>) -> IntValue<'ctx> {
+    pub fn get_tag(&self, val: StructValue<'ctx>) -> IntValue<'ctx> {
         let alloca = self
                     .builder
                     .build_alloca(self.helpers.value_type, "get_tag_alloca").unwrap();