1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 6f3a15bb7f..a217e8644a 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -93,7 +93,9 @@ namespace {
     explicit LoopUnswitch(bool Os = false) : 
       LoopPass(ID), OptimizeForSize(Os), redoLoop(false), 
       currentLoop(NULL), DT(NULL), loopHeader(NULL),
-      loopPreheader(NULL) {}
+      loopPreheader(NULL) {
+        initializeLoopUnswitchPass(*PassRegistry::getPassRegistry());
+      }
 
     bool runOnLoop(Loop *L, LPPassManager &LPM);
     bool processCurrentLoop();