diff --git a/llvm/lib/CodeGen/CodeGen.cpp b/llvm/lib/CodeGen/CodeGen.cpp
index bfab865..2f11955 100644
--- a/llvm/lib/CodeGen/CodeGen.cpp
+++ b/llvm/lib/CodeGen/CodeGen.cpp
@@ -30,6 +30,7 @@
   initializeDwarfEHPreparePass(Registry);
   initializeEarlyIfConverterPass(Registry);
   initializeExpandISelPseudosPass(Registry);
+  initializeExpandMemCmpPassPass(Registry);
   initializeExpandPostRAPass(Registry);
   initializeFEntryInserterPass(Registry);
   initializeFinalizeMachineBundlesPass(Registry);