[llvm] r274675 - [CodeView] Unions are always sealed

[David Majnemer via llvm-commits]

Author: majnemer
Date: Wed Jul  6 16:07:42 2016
New Revision: 274675

URL: http://llvm.org/viewvc/llvm-project?rev=274675&view=rev
Log:
[CodeView] Unions are always sealed

It is impossible to inherit from a union.  We are missing a way to
represent this in IR for classes/structs...

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
    llvm/trunk/test/DebugInfo/COFF/types-data-members.ll

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp?rev=274675&r1=274674&r2=274675&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp Wed Jul  6 16:07:42 2016
@@ -1536,7 +1536,7 @@ TypeIndex CodeViewDebug::lowerTypeUnion(
 }
 
 TypeIndex CodeViewDebug::lowerCompleteTypeUnion(const DICompositeType *Ty) {
-  ClassOptions CO = getCommonClassOptions(Ty);
+  ClassOptions CO = ClassOptions::Sealed | getCommonClassOptions(Ty);
   TypeIndex FieldTI;
   unsigned FieldCount;
   bool ContainsNestedClass;

Modified: llvm/trunk/test/DebugInfo/COFF/types-data-members.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/types-data-members.ll?rev=274675&r1=274674&r2=274675&view=diff
==============================================================================
--- llvm/trunk/test/DebugInfo/COFF/types-data-members.ll (original)
+++ llvm/trunk/test/DebugInfo/COFF/types-data-members.ll Wed Jul  6 16:07:42 2016
@@ -161,8 +161,9 @@
 ; CHECK:   Union (0x100B) {
 ; CHECK:     TypeLeafKind: LF_UNION (0x1506)
 ; CHECK:     MemberCount: 2
-; CHECK:     Properties [ (0x200)
+; CHECK:     Properties [ (0x600)
 ; CHECK:       HasUniqueName (0x200)
+; CHECK:       Sealed (0x400)
 ; CHECK:     ]
 ; CHECK:     FieldList: <field list> (0x100A)
 ; CHECK:     SizeOf: 4