diff --git a/lib/CodeGen/CodeGen.cpp b/lib/CodeGen/CodeGen.cpp
index a53f6f8..a33b672 100644
--- a/lib/CodeGen/CodeGen.cpp
+++ b/lib/CodeGen/CodeGen.cpp
@@ -19,6 +19,7 @@
 
 /// initializeCodeGen - Initialize all passes linked into the CodeGen library.
 void llvm::initializeCodeGen(PassRegistry &Registry) {
+  initializeBasicTTIPass(Registry);
   initializeBranchFolderPassPass(Registry);
   initializeCalculateSpillWeightsPass(Registry);
   initializeCodePlacementOptPass(Registry);