Fixed mangling of OpenCL vector types.

KhronosGroup · Jun 4, 2015 · f111ce6 · f111ce6
1 parent e83395a
commit f111ce6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/AST/ItaniumMangle.cpp b/lib/AST/ItaniumMangle.cpp
@@ -1764,7 +1764,9 @@ void CXXNameMangler::mangleType(QualType T) {
   Qualifiers quals = split.Quals;
   const Type *ty = split.Ty;
 
-  bool isSubstitutable = quals || !isa<BuiltinType>(T);
+  // OpenCL vector types like int4 are built-in types and they aren't substitutable.
+  // Current implementation defines them as ExtVectorType, which is not a built-in type.
+  bool isSubstitutable = quals || (!isa<BuiltinType>(T) && !(Context.getASTContext().getLangOpts().OpenCL && isa<ExtVectorType>(T)));
   if (isSubstitutable && mangleSubstitution(T))
     return;