diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.h b/llvm/lib/Target/LoongArch/LoongArchISelLowering.h
index c10acc043c500..1aa686695b49b 100644
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.h
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.h
@@ -284,7 +284,7 @@ class LoongArchTargetLowering : public TargetLowering {
                                    unsigned ValNo, MVT ValVT,
                                    CCValAssign::LocInfo LocInfo,
                                    ISD::ArgFlagsTy ArgFlags, CCState &State,
-                                   bool IsFixed, bool IsReg, Type *OrigTy);
+                                   bool IsFixed, bool IsRet, Type *OrigTy);
 
   void analyzeInputArgs(MachineFunction &MF, CCState &CCInfo,
                         const SmallVectorImpl<ISD::InputArg> &Ins, bool IsRet,