1 files changed, 2 insertions, 0 deletions

diff --git a/contrib/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp b/contrib/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp
index 55d9defced3a..9c96ba748778 100644
--- a/contrib/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp
+++ b/contrib/llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp
@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/SlotIndexes.h"
+#include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
@@ -38,6 +39,7 @@ struct MachineFunctionPrinterPass : public MachineFunctionPass {
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
+    AU.addUsedIfAvailable<SlotIndexes>();
     MachineFunctionPass::getAnalysisUsage(AU);
   }