Let Objective-C front-end identify class extension, in dwarf output, using an attribu...

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfCompileUnit.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
index 98af7a41e7f8925f398c6c6cdd2b5aaaaa891abe..4eb40947752e67f97b1513df20508f734e909692 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
@@ -766,6 +766,10 @@ void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
       addToContextOwner(&Buffer, Context);
     }
 
+    if (CTy.isObjcClassExtension())
+      addUInt(&Buffer, dwarf::DW_AT_APPLE_objc_class_extension,
+              dwarf::DW_FORM_flag, 1);
+
     if (Tag == dwarf::DW_TAG_class_type) 
       addTemplateParams(Buffer, CTy.getTemplateParams());