diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp
index c9cb8882feb4e91..36c325cb422c682 100644
--- a/llvm/lib/CodeGen/MachineOutliner.cpp
+++ b/llvm/lib/CodeGen/MachineOutliner.cpp
@@ -463,7 +463,7 @@ struct MachineOutliner : public ModulePass {
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<MachineModuleInfoWrapperPass>();
     AU.addPreserved<MachineModuleInfoWrapperPass>();
-    AU.addRequired<ImmutableModuleSummaryIndexWrapperPass>();
+    AU.addUsedIfAvailable<ImmutableModuleSummaryIndexWrapperPass>();
     AU.setPreservesAll();
     ModulePass::getAnalysisUsage(AU);
   }