[LivePhysRegs] Use MCRegister instead of MCPhysReg in interface. NFC

Author: topperc

llvm/include/llvm/CodeGen/LivePhysRegs.h

@@ -80,7 +80,7 @@ class LivePhysRegs {
   bool empty() const { return LiveRegs.empty(); }
 
   /// Adds a physical register and all its sub-registers to the set.
-  void addReg(MCPhysReg Reg) {
+  void addReg(MCRegister Reg) {
     assert(TRI && "LivePhysRegs is not initialized.");
     assert(Reg < TRI->getNumRegs() && "Expected a physical register.");
     for (MCPhysReg SubReg : TRI->subregs_inclusive(Reg))
@@ -89,7 +89,7 @@ class LivePhysRegs {
 
   /// Removes a physical register, all its sub-registers, and all its
   /// super-registers from the set.
-  void removeReg(MCPhysReg Reg) {
+  void removeReg(MCRegister Reg) {
     assert(TRI && "LivePhysRegs is not initialized.");
     assert(Reg < TRI->getNumRegs() && "Expected a physical register.");
     for (MCRegAliasIterator R(Reg, TRI, true); R.isValid(); ++R)
@@ -106,10 +106,10 @@ class LivePhysRegs {
   /// addReg() always adds all sub-registers to the set as well.
   /// Note: Returns false if just some sub registers are live, use available()
   /// when searching a free register.
-  bool contains(MCPhysReg Reg) const { return LiveRegs.count(Reg); }
+  bool contains(MCRegister Reg) const { return LiveRegs.count(Reg.id()); }
 
   /// Returns true if register \p Reg and no aliasing register is in the set.
-  bool available(const MachineRegisterInfo &MRI, MCPhysReg Reg) const;
+  bool available(const MachineRegisterInfo &MRI, MCRegister Reg) const;
 
   /// Remove defined registers and regmask kills from the set.
   void removeDefs(const MachineInstr &MI);

llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp

@@ -254,7 +254,7 @@ void AggressiveAntiDepBreaker::GetPassthruRegs(
 /// AntiDepEdges - Return in Edges the anti- and output- dependencies
 /// in SU that we want to consider for breaking.
 static void AntiDepEdges(const SUnit *SU, std::vector<const SDep *> &Edges) {
-  SmallSet<unsigned, 4> RegSet;
+  SmallSet<Register, 4> RegSet;
   for (const SDep &Pred : SU->Preds) {
     if ((Pred.getKind() == SDep::Anti) || (Pred.getKind() == SDep::Output)) {
       if (RegSet.insert(Pred.getReg()).second)

llvm/lib/CodeGen/LivePhysRegs.cpp

@@ -139,8 +139,8 @@ LLVM_DUMP_METHOD void LivePhysRegs::dump() const {
 #endif
 
 bool LivePhysRegs::available(const MachineRegisterInfo &MRI,
-                             MCPhysReg Reg) const {
-  if (LiveRegs.count(Reg))
+                             MCRegister Reg) const {
+  if (LiveRegs.count(Reg.id()))
     return false;
   if (MRI.isReserved(Reg))
     return false;