Clarify that DIEString does not keep a copy of the string.

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DIE.h

diff --git a/lib/CodeGen/AsmPrinter/DIE.h b/lib/CodeGen/AsmPrinter/DIE.h
index dc6a70a6bd6a3cf8c199158e3608031a4bdfc5ba..cad8b89550246b67883c7e177771352791108b2b 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DIE.h
+++ b/lib/CodeGen/AsmPrinter/DIE.h
@@ -274,7 +274,7 @@ namespace llvm {
   };
 
   //===--------------------------------------------------------------------===//
-  /// DIEString - A string value DIE.
+  /// DIEString - A string value DIE. This DIE keeps string reference only.
   ///
   class DIEString : public DIEValue {
     const StringRef Str;