diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -293,6 +293,7 @@
       }
 
     void getAnalysisUsage(AnalysisUsage &AU) const override {
+      AU.addUsedIfAvailable<SlotIndexes>();
       AU.setPreservesAll();
       MachineFunctionPass::getAnalysisUsage(AU);
     }