[CodeGen] Fix inconsistent declaration parameter name

llvm-svn: 337200
diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
index 63e5d4d..09ff77b 100644
--- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp
+++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp
@@ -203,7 +203,7 @@
   bool parseRegisterOperand(MachineOperand &Dest,
                             Optional<unsigned> &TiedDefIdx, bool IsDef = false);
   bool parseImmediateOperand(MachineOperand &Dest);
-  bool parseIRConstant(StringRef::iterator Loc, StringRef Source,
+  bool parseIRConstant(StringRef::iterator Loc, StringRef StringValue,
                        const Constant *&C);
   bool parseIRConstant(StringRef::iterator Loc, const Constant *&C);
   bool parseLowLevelType(StringRef::iterator Loc, LLT &Ty);
@@ -222,7 +222,7 @@
   bool parseJumpTableIndexOperand(MachineOperand &Dest);
   bool parseExternalSymbolOperand(MachineOperand &Dest);
   bool parseMDNode(MDNode *&Node);
-  bool parseDIExpression(MDNode *&Node);
+  bool parseDIExpression(MDNode *&Expr);
   bool parseMetadataOperand(MachineOperand &Dest);
   bool parseCFIOffset(int &Offset);
   bool parseCFIRegister(unsigned &Reg);