diff --git a/llvm/lib/Analysis/DataStructure/DataStructureOpt.cpp b/llvm/lib/Analysis/DataStructure/DataStructureOpt.cpp
index c75784b..6315041 100644
--- a/llvm/lib/Analysis/DataStructure/DataStructureOpt.cpp
+++ b/llvm/lib/Analysis/DataStructure/DataStructureOpt.cpp
@@ -17,6 +17,7 @@
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Module.h"
 #include "llvm/Constant.h"
+#include "llvm/Type.h"
 #include "llvm/ADT/Statistic.h"
 using namespace llvm;