1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/Analysis/DataStructure/DataStructure.h b/include/llvm/Analysis/DataStructure/DataStructure.h
index afea126c07..4d6e3a0476 100644
--- a/include/llvm/Analysis/DataStructure/DataStructure.h
+++ b/include/llvm/Analysis/DataStructure/DataStructure.h
@@ -18,6 +18,8 @@
 #include "llvm/Target/TargetData.h"
 #include "Support/hash_set"
 
+namespace llvm {
+
 class Type;
 class Instruction;
 class DSGraph;
@@ -184,4 +186,6 @@ private:
                         const BUDataStructures::ActualCalleesTy &ActualCallees);
 };
 
+} // End llvm namespace
+
 #endif