diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index d6595d202bd8..b9a1010e46f9 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -519,7 +519,6 @@ static void doSpillCalleeSavedRegs(MachineFunction &Fn, RegScavenger *RS,
   const Function *F = Fn.getFunction();
   const TargetFrameLowering *TFI = Fn.getSubtarget().getFrameLowering();
   MachineFrameInfo &MFI = Fn.getFrameInfo();
-  ArrayRef<CalleeSavedInfo> CSI = MFI.getCalleeSavedInfo();
   MinCSFrameIndex = std::numeric_limits<unsigned>::max();
   MaxCSFrameIndex = 0;
 
@@ -534,6 +533,7 @@ static void doSpillCalleeSavedRegs(MachineFunction &Fn, RegScavenger *RS,
   if (!F->hasFnAttribute(Attribute::Naked)) {
     MFI.setCalleeSavedInfoValid(true);
 
+    ArrayRef<CalleeSavedInfo> CSI = MFI.getCalleeSavedInfo();
     if (!CSI.empty()) {
       for (MachineBasicBlock *SaveBlock : SaveBlocks) {
         insertCSRSaves(*SaveBlock, CSI);