From 97acf5fdfc81c3ba697436c8fe774a34cb70d046 Mon Sep 17 00:00:00 2001
From: kchristin <christinakoutsou22@gmail.com>
Date: Sat, 3 Aug 2024 12:15:29 +0300
Subject: [PATCH] Get enum's underlying value type

---
 lib/Differentiator/CladUtils.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Differentiator/CladUtils.cpp b/lib/Differentiator/CladUtils.cpp
index 3b6a379e0..d0ff345ed 100644
--- a/lib/Differentiator/CladUtils.cpp
+++ b/lib/Differentiator/CladUtils.cpp
@@ -372,6 +372,10 @@ namespace clad {
       else if (T->isArrayType())
         valueType =
             T->getPointeeOrArrayElementType()->getCanonicalTypeInternal();
+      else if (T->isEnumeralType()){
+        if (const auto* ET = dyn_cast<EnumType>(T))
+          valueType = ET->getDecl()->getIntegerType();
+      }
       valueType.removeLocalConst();
       return valueType;
     }