diff --git a/llvm/lib/CodeGen/MachineFunctionPass.cpp b/llvm/lib/CodeGen/MachineFunctionPass.cpp
index 2265676..5ffe330 100644
--- a/llvm/lib/CodeGen/MachineFunctionPass.cpp
+++ b/llvm/lib/CodeGen/MachineFunctionPass.cpp
@@ -42,7 +42,7 @@
     return false;
 
   MachineModuleInfo &MMI = getAnalysis<MachineModuleInfo>();
-  MachineFunction &MF = MMI.getMachineFunction(F);
+  MachineFunction &MF = MMI.getOrCreateMachineFunction(F);
 
   MachineFunctionProperties &MFProps = MF.getProperties();