[llvm-commits] [llvm] r85630 - /llvm/trunk/lib/Analysis/DebugInfo.cpp

[Devang Patel]

Author: dpatel
Date: Fri Oct 30 17:52:47 2009
New Revision: 85630

URL: http://llvm.org/viewvc/llvm-project?rev=85630&view=rev
Log:
If string field is empty then return NULL.

Modified:
    llvm/trunk/lib/Analysis/DebugInfo.cpp

Modified: llvm/trunk/lib/Analysis/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/DebugInfo.cpp?rev=85630&r1=85629&r2=85630&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/DebugInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/DebugInfo.cpp Fri Oct 30 17:52:47 2009
@@ -84,8 +84,11 @@
     return NULL;
 
   if (Elt < DbgNode->getNumElements())
-    if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getElement(Elt)))
+    if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getElement(Elt))) {
+      if (MDS->getLength() == 0)
+        return NULL;
       return MDS->getString().data();
+    }
 
   return NULL;
 }