Pull this out for a bit of readability.

llvm-svn: 191999

llvm/include/llvm/DebugInfo.h

@@ -226,7 +226,12 @@ template <typename T> class DIRef {
   explicit DIRef(const Value *V);
 
 public:
-  T resolve(const DITypeIdentifierMap &Map) const {
+  T resolve(const DITypeIdentifierMap &Map) const;
+  operator Value *() const { return const_cast<Value *>(Val); }
+};
+
+template <typename T>
+T DIRef<T>::resolve(const DITypeIdentifierMap &Map) const {
   if (!Val)
     return T();
 
@@ -240,9 +245,7 @@ public:
   assert(DIDescriptor(Iter->second).isType() &&
          "MDNode in DITypeIdentifierMap should be a DIType.");
   return T(Iter->second);
-  }
-  operator Value *() const { return const_cast<Value *>(Val); }
-};
+}
 
 /// Specialize getFieldAs to handle fields that are references to DIScopes.
 template <> DIScopeRef DIDescriptor::getFieldAs<DIScopeRef>(unsigned Elt) const;