Let's ignore MDStrings also!

llvm-svn: 74255
diff --git a/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp b/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
index a78ca30..e0c0a64 100644
--- a/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+++ b/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
@@ -223,7 +223,7 @@
 
   std::string name = Mang->getValueName(GVar);
   Constant *C = GVar->getInitializer();
-  if (isa<MDNode>(C))
+  if (isa<MDNode>(C) || isa<MDString>(C))
     return;
   unsigned Size = TD->getTypeAllocSize(C->getType());
   unsigned Align = TD->getPreferredAlignmentLog(GVar);