diff --git a/mie/include/mie/ir/const.h b/mie/include/mie/ir/const.h
index b949454..e51f00f 100644
--- a/mie/include/mie/ir/const.h
+++ b/mie/include/mie/ir/const.h
@@ -2,6 +2,7 @@
 #define MIE_CONST_H_
 
 #include <mie/ir/value.h>
+#include <mie/type.h>
 
 #define MIE_CONST(p)    ((struct mie_const *)(p))
 
@@ -51,4 +52,15 @@ struct mie_array {
 
 extern void mie_const_init(struct mie_const *c, struct mie_type *type);
 
+static inline bool mie_value_is_selector(const struct mie_value *v)
+{
+	if (v->v_type->t_id != MIE_VALUE_CONST) {
+		return false;
+	}
+
+	const struct mie_const *c = MIE_CONST(v);
+
+	return c->c_type->t_id == MIE_TYPE_SELECTOR;
+}
+
 #endif