[cfe-commits] r157787 - in /cfe/trunk: lib/CodeGen/CGDebugInfo.cpp test/CodeGenCXX/debug-info-enum-class.cpp

[Eric Christopher]

Author: echristo
Date: Thu May 31 19:22:57 2012
New Revision: 157787

URL: http://llvm.org/viewvc/llvm-project?rev=157787&view=rev
Log:
Support C++11 enum forward declarations.

Part of rdar://11570854

Modified:
    cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
    cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp

Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=157787&r1=157786&r2=157787&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Thu May 31 19:22:57 2012
@@ -1588,10 +1588,11 @@
     getContextDescriptor(cast<Decl>(ED->getDeclContext()));
   llvm::DIType ClassTy = ED->isScopedUsingClassTag() ?
     getOrCreateType(ED->getIntegerType(), DefUnit) : llvm::DIType();
+  unsigned Flags = !ED->isCompleteDefinition() ? llvm::DIDescriptor::FlagFwdDecl : 0;
   llvm::DIType DbgTy = 
     DBuilder.createEnumerationType(EnumContext, ED->getName(), DefUnit, Line,
                                    Size, Align, EltArray,
-                                   ClassTy);
+                                   ClassTy, Flags);
   return DbgTy;
 }
 

Modified: cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp?rev=157787&r1=157786&r2=157787&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/debug-info-enum-class.cpp Thu May 31 19:22:57 2012
@@ -3,10 +3,13 @@
 enum class A { A1=1 };                 // underlying type is int by default
 enum class B: unsigned long { B1=1 };  // underlying type is unsigned long
 enum C { C1 = 1 };
+enum D : short; // enum forward declaration
 A a;
 B b;
 C c;
+D d;
 
 // CHECK: metadata !{i32 {{.*}}, null, metadata !"A", metadata !4, i32 3, i64 32, i64 32, i32 0, i32 0, metadata !5, metadata !6, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
 // CHECK: metadata !{i32 {{.*}}, null, metadata !"B", metadata !4, i32 4, i64 64, i64 64, i32 0, i32 0, metadata !9, metadata !10, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
 // CHECK: metadata !{i32 {{.*}}, null, metadata !"C", metadata !4, i32 5, i64 32, i64 32, i32 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
+// CHECK: metadata !{i32 {{.*}}, null, metadata !"D", metadata !4, i32 6, i64 16, i64 16, i32 0, i32 4, null, metadata !16, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]