diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 15c1d67..d453335 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -193,6 +193,9 @@
 
   if (PerformLICM)
     PM.add(createMachineLICMPass());
+  
+  if (EnableSinking)
+    PM.add(createMachineSinkingPass());
 
   // Perform register allocation to convert to a concrete x86 representation
   PM.add(createRegisterAllocator());