diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 4273dafefcf..50780fa61d5 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -6,6 +6,7 @@
 
 #include "X86TargetMachine.h"
 #include "llvm/Target/TargetMachineImpls.h"
+#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/PassManager.h"
 #include "X86.h"
 #include <iostream>
@@ -31,6 +32,9 @@ bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
 
   // TODO: optional optimizations go here
 
+  // Print the instruction selected machine code...
+  PM.add(createMachineFunctionPrinterPass());
+
   // Perform register allocation to convert to a concrete x86 representation
   //PM.add(createSimpleX86RegisterAllocator(*this));