commit 36882c8f24c72d844a9079b73332ec17aa2d170f
author Devang Patel <dpatel@apple.com> Thu May 12 19:07:41 2011 +0000
committer Devang Patel <dpatel@apple.com> Thu May 12 19:07:41 2011 +0000
tree 8484e6b8db24e2bd60dae436f238029391cb1cf6
parent 2409e7843b714c83570c537a12f41fbe99c2e165

Use DW_AT_APPLE_objc_class_extension attribute to identify interfaces that represent class extension.
Radar 9423077.

llvm-svn: 131239

clang/lib/CodeGen/CGDebugInfo.cpp

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 3c411f4..3519cd1 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1241,9 +1241,14 @@
   uint64_t Size = CGM.getContext().getTypeSize(Ty);
   uint64_t Align = CGM.getContext().getTypeAlign(Ty);
 
+  unsigned Flags = 0;
+  if (ID->getFirstClassExtension() || 
+      (ID->getImplementation() && !ID->getImplementation()->ivar_empty()))
+    Flags |= llvm::DIDescriptor::FlagObjcClassExtension;
+
   llvm::DIType RealDecl =
     DBuilder.createStructType(Unit, ID->getName(), DefUnit,
-                                  Line, Size, Align, 0,
+                                  Line, Size, Align, Flags,
                                   Elements, RuntimeLang);
 
   // Now that we have a real decl for the struct, replace anything using the