diff --git a/lib/Analysis/LoopVR.cpp b/lib/Analysis/LoopVR.cpp
index 1c78ef9..6854e95 100644
--- a/lib/Analysis/LoopVR.cpp
+++ b/lib/Analysis/LoopVR.cpp
@@ -16,6 +16,7 @@
 #include "llvm/Constants.h"
 #include "llvm/Instructions.h"
 #include "llvm/LLVMContext.h"
+#include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/CFG.h"
@@ -220,6 +221,12 @@
   return FullSet;
 }
 
+void LoopVR::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.addRequiredTransitive<LoopInfo>();
+  AU.addRequiredTransitive<ScalarEvolution>();
+  AU.setPreservesAll();
+}
+
 bool LoopVR::runOnFunction(Function &F) { Map.clear(); return false; }
 
 void LoopVR::print(std::ostream &os, const Module *) const {