diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index 724c113..1c29c7f 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -320,7 +320,7 @@
 
 bool DebugLabelFolder::runOnMachineFunction(MachineFunction &MF) {
   // Get machine module info.
-  MachineModuleInfo *MMI = getAnalysisToUpdate<MachineModuleInfo>();
+  MachineModuleInfo *MMI = getAnalysisIfAvailable<MachineModuleInfo>();
   if (!MMI) return false;
   
   // Track if change is made.