[CodeGen][X86] Use Register in TTI unfoldMemoryOperand interface. NFC

Author: topperc

llvm/include/llvm/CodeGen/TargetInstrInfo.h

@@ -1433,7 +1433,7 @@ class TargetInstrInfo : public MCInstrInfo {
   /// a store or a load and a store into two or more instruction. If this is
   /// possible, returns true as well as the new instructions by reference.
   virtual bool
-  unfoldMemoryOperand(MachineFunction &MF, MachineInstr &MI, unsigned Reg,
+  unfoldMemoryOperand(MachineFunction &MF, MachineInstr &MI, Register Reg,
                       bool UnfoldLoad, bool UnfoldStore,
                       SmallVectorImpl<MachineInstr *> &NewMIs) const {
     return false;

llvm/lib/Target/X86/X86InstrInfo.cpp

@@ -8492,7 +8492,7 @@ static unsigned getBroadcastOpcode(const X86FoldTableEntry *I,
 }
 
 bool X86InstrInfo::unfoldMemoryOperand(
-    MachineFunction &MF, MachineInstr &MI, unsigned Reg, bool UnfoldLoad,
+    MachineFunction &MF, MachineInstr &MI, Register Reg, bool UnfoldLoad,
     bool UnfoldStore, SmallVectorImpl<MachineInstr *> &NewMIs) const {
   const X86FoldTableEntry *I = lookupUnfoldTable(MI.getOpcode());
   if (I == nullptr)

llvm/lib/Target/X86/X86InstrInfo.h

@@ -463,7 +463,7 @@ class X86InstrInfo final : public X86GenInstrInfo {
       LiveIntervals *LIS = nullptr) const override;
 
   bool
-  unfoldMemoryOperand(MachineFunction &MF, MachineInstr &MI, unsigned Reg,
+  unfoldMemoryOperand(MachineFunction &MF, MachineInstr &MI, Register Reg,
                       bool UnfoldLoad, bool UnfoldStore,
                       SmallVectorImpl<MachineInstr *> &NewMIs) const override;