Finish moving TargetRegisterInfo::isVirtualRegister() and friends to llvm::Register as started by r367614. NFC

llvm-svn: 367633
diff --git a/llvm/lib/Target/PowerPC/PPCBranchCoalescing.cpp b/llvm/lib/Target/PowerPC/PPCBranchCoalescing.cpp
index 5e9a661..d325b07 100644
--- a/llvm/lib/Target/PowerPC/PPCBranchCoalescing.cpp
+++ b/llvm/lib/Target/PowerPC/PPCBranchCoalescing.cpp
@@ -340,9 +340,10 @@
 
     if (Op1.isIdenticalTo(Op2)) {
       // filter out instructions with physical-register uses
-      if (Op1.isReg() && TargetRegisterInfo::isPhysicalRegister(Op1.getReg())
-        // If the physical register is constant then we can assume the value
-        // has not changed between uses.
+      if (Op1.isReg() &&
+          Register::isPhysicalRegister(Op1.getReg())
+          // If the physical register is constant then we can assume the value
+          // has not changed between uses.
           && !(Op1.isUse() && MRI->isConstantPhysReg(Op1.getReg()))) {
         LLVM_DEBUG(dbgs() << "The operands are not provably identical.\n");
         return false;
@@ -355,8 +356,8 @@
     // definition of the register produces the same value. If they produce the
     // same value, consider them to be identical.
     if (Op1.isReg() && Op2.isReg() &&
-        TargetRegisterInfo::isVirtualRegister(Op1.getReg()) &&
-        TargetRegisterInfo::isVirtualRegister(Op2.getReg())) {
+        Register::isVirtualRegister(Op1.getReg()) &&
+        Register::isVirtualRegister(Op2.getReg())) {
       MachineInstr *Op1Def = MRI->getVRegDef(Op1.getReg());
       MachineInstr *Op2Def = MRI->getVRegDef(Op2.getReg());
       if (TII->produceSameValue(*Op1Def, *Op2Def, MRI)) {
@@ -456,7 +457,7 @@
                     << TargetMBB.getNumber() << "\n");
 
   for (auto &Use : MI.uses()) {
-    if (Use.isReg() && TargetRegisterInfo::isVirtualRegister(Use.getReg())) {
+    if (Use.isReg() && Register::isVirtualRegister(Use.getReg())) {
       MachineInstr *DefInst = MRI->getVRegDef(Use.getReg());
       if (DefInst->isPHI() && DefInst->getParent() == MI.getParent()) {
         LLVM_DEBUG(dbgs() << "    *** Cannot move this instruction ***\n");
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 2cb0387..645a740 100644
--- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -371,7 +371,7 @@
   // by the scheduler.  Detect them now.
   bool HasVectorVReg = false;
   for (unsigned i = 0, e = RegInfo->getNumVirtRegs(); i != e; ++i) {
-    unsigned Reg = TargetRegisterInfo::index2VirtReg(i);
+    unsigned Reg = Register::index2VirtReg(i);
     if (RegInfo->getRegClass(Reg) == &PPC::VRRCRegClass) {
       HasVectorVReg = true;
       break;
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index 8355b1a..7ffbab7 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -187,7 +187,7 @@
   unsigned Reg = DefMO.getReg();
 
   bool IsRegCR;
-  if (TargetRegisterInfo::isVirtualRegister(Reg)) {
+  if (Register::isVirtualRegister(Reg)) {
     const MachineRegisterInfo *MRI =
         &DefMI.getParent()->getParent()->getRegInfo();
     IsRegCR = MRI->getRegClass(Reg)->hasSuperClassEq(&PPC::CRRCRegClass) ||
@@ -1671,7 +1671,7 @@
 
   // Look through copies unless that gets us to a physical register.
   unsigned ActualSrc = TRI->lookThruCopyLike(SrcReg, MRI);
-  if (TargetRegisterInfo::isVirtualRegister(ActualSrc))
+  if (Register::isVirtualRegister(ActualSrc))
     SrcReg = ActualSrc;
 
   // Get the unique definition of SrcReg.
@@ -2360,10 +2360,10 @@
       if (!MI.getOperand(i).isReg())
         continue;
       unsigned Reg = MI.getOperand(i).getReg();
-      if (!TargetRegisterInfo::isVirtualRegister(Reg))
+      if (!Register::isVirtualRegister(Reg))
         continue;
       unsigned TrueReg = TRI->lookThruCopyLike(Reg, MRI);
-      if (TargetRegisterInfo::isVirtualRegister(TrueReg)) {
+      if (Register::isVirtualRegister(TrueReg)) {
         DefMI = MRI->getVRegDef(TrueReg);
         if (DefMI->getOpcode() == PPC::LI || DefMI->getOpcode() == PPC::LI8) {
           OpNoForForwarding = i;
@@ -3619,7 +3619,7 @@
       // If operand at III.ZeroIsSpecialNew is physical reg(eg: ZERO/ZERO8), no
       // need to fix up register class.
       unsigned RegToModify = MI.getOperand(III.ZeroIsSpecialNew).getReg();
-      if (TargetRegisterInfo::isVirtualRegister(RegToModify)) {
+      if (Register::isVirtualRegister(RegToModify)) {
         const TargetRegisterClass *NewRC =
           MRI.getRegClass(RegToModify)->hasSuperClassEq(&PPC::GPRCRegClass) ?
           &PPC::GPRC_and_GPRC_NOR0RegClass : &PPC::G8RC_and_G8RC_NOX0RegClass;
@@ -3835,7 +3835,7 @@
     }
 
     // If this is a copy from another register, we recursively check source.
-    if (!TargetRegisterInfo::isVirtualRegister(SrcReg))
+    if (!Register::isVirtualRegister(SrcReg))
       return false;
     const MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
     if (SrcMI != NULL)
@@ -3859,7 +3859,7 @@
     // logical operation with 16-bit immediate does not change the upper bits.
     // So, we track the operand register as we do for register copy.
     unsigned SrcReg = MI.getOperand(1).getReg();
-    if (!TargetRegisterInfo::isVirtualRegister(SrcReg))
+    if (!Register::isVirtualRegister(SrcReg))
       return false;
     const MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
     if (SrcMI != NULL)
@@ -3888,7 +3888,7 @@
     for (unsigned I = 1; I != E; I += D) {
       if (MI.getOperand(I).isReg()) {
         unsigned SrcReg = MI.getOperand(I).getReg();
-        if (!TargetRegisterInfo::isVirtualRegister(SrcReg))
+        if (!Register::isVirtualRegister(SrcReg))
           return false;
         const MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
         if (SrcMI == NULL || !isSignOrZeroExtended(*SrcMI, SignExt, Depth+1))
@@ -3913,9 +3913,9 @@
     unsigned SrcReg1 = MI.getOperand(1).getReg();
     unsigned SrcReg2 = MI.getOperand(2).getReg();
 
-    if (!TargetRegisterInfo::isVirtualRegister(SrcReg1) ||
-        !TargetRegisterInfo::isVirtualRegister(SrcReg2))
-       return false;
+    if (!Register::isVirtualRegister(SrcReg1) ||
+        !Register::isVirtualRegister(SrcReg2))
+      return false;
 
     const MachineInstr *MISrc1 = MRI->getVRegDef(SrcReg1);
     const MachineInstr *MISrc2 = MRI->getVRegDef(SrcReg2);
diff --git a/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp b/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
index 4462463..1b48bba 100644
--- a/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
@@ -149,7 +149,7 @@
     return nullptr;
 
   unsigned Reg = Op->getReg();
-  if (!TargetRegisterInfo::isVirtualRegister(Reg))
+  if (!Register::isVirtualRegister(Reg))
     return nullptr;
 
   return MRI->getVRegDef(Reg);
@@ -344,8 +344,7 @@
           unsigned TrueReg2 =
             TRI->lookThruCopyLike(MI.getOperand(2).getReg(), MRI);
 
-          if (TrueReg1 == TrueReg2
-              && TargetRegisterInfo::isVirtualRegister(TrueReg1)) {
+          if (TrueReg1 == TrueReg2 && Register::isVirtualRegister(TrueReg1)) {
             MachineInstr *DefMI = MRI->getVRegDef(TrueReg1);
             unsigned DefOpc = DefMI ? DefMI->getOpcode() : 0;
 
@@ -358,7 +357,7 @@
                 return false;
               unsigned DefReg =
                 TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);
-              if (TargetRegisterInfo::isVirtualRegister(DefReg)) {
+              if (Register::isVirtualRegister(DefReg)) {
                 MachineInstr *LoadMI = MRI->getVRegDef(DefReg);
                 if (LoadMI && LoadMI->getOpcode() == PPC::LXVDSX)
                   return true;
@@ -444,7 +443,7 @@
         unsigned OpNo = MyOpcode == PPC::XXSPLTW ? 1 : 2;
         unsigned TrueReg =
           TRI->lookThruCopyLike(MI.getOperand(OpNo).getReg(), MRI);
-        if (!TargetRegisterInfo::isVirtualRegister(TrueReg))
+        if (!Register::isVirtualRegister(TrueReg))
           break;
         MachineInstr *DefMI = MRI->getVRegDef(TrueReg);
         if (!DefMI)
@@ -454,7 +453,7 @@
           if (DefOpcode != PPC::XVCVSPSXWS && DefOpcode != PPC::XVCVSPUXWS)
             return false;
           unsigned ConvReg = DefMI->getOperand(1).getReg();
-          if (!TargetRegisterInfo::isVirtualRegister(ConvReg))
+          if (!Register::isVirtualRegister(ConvReg))
             return false;
           MachineInstr *Splt = MRI->getVRegDef(ConvReg);
           return Splt && (Splt->getOpcode() == PPC::LXVWSX ||
@@ -507,7 +506,7 @@
         // If this is a DP->SP conversion fed by an FRSP, the FRSP is redundant.
         unsigned TrueReg =
           TRI->lookThruCopyLike(MI.getOperand(1).getReg(), MRI);
-        if (!TargetRegisterInfo::isVirtualRegister(TrueReg))
+        if (!Register::isVirtualRegister(TrueReg))
           break;
         MachineInstr *DefMI = MRI->getVRegDef(TrueReg);
 
@@ -518,8 +517,8 @@
             TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);
           unsigned DefsReg2 =
             TRI->lookThruCopyLike(DefMI->getOperand(2).getReg(), MRI);
-          if (!TargetRegisterInfo::isVirtualRegister(DefsReg1) ||
-              !TargetRegisterInfo::isVirtualRegister(DefsReg2))
+          if (!Register::isVirtualRegister(DefsReg1) ||
+              !Register::isVirtualRegister(DefsReg2))
             break;
           MachineInstr *P1 = MRI->getVRegDef(DefsReg1);
           MachineInstr *P2 = MRI->getVRegDef(DefsReg2);
@@ -567,7 +566,7 @@
       case PPC::EXTSH8_32_64: {
         if (!EnableSExtElimination) break;
         unsigned NarrowReg = MI.getOperand(1).getReg();
-        if (!TargetRegisterInfo::isVirtualRegister(NarrowReg))
+        if (!Register::isVirtualRegister(NarrowReg))
           break;
 
         MachineInstr *SrcMI = MRI->getVRegDef(NarrowReg);
@@ -611,7 +610,7 @@
       case PPC::EXTSW_32_64: {
         if (!EnableSExtElimination) break;
         unsigned NarrowReg = MI.getOperand(1).getReg();
-        if (!TargetRegisterInfo::isVirtualRegister(NarrowReg))
+        if (!Register::isVirtualRegister(NarrowReg))
           break;
 
         MachineInstr *SrcMI = MRI->getVRegDef(NarrowReg);
@@ -680,7 +679,7 @@
           break;
 
         unsigned SrcReg = MI.getOperand(1).getReg();
-        if (!TargetRegisterInfo::isVirtualRegister(SrcReg))
+        if (!Register::isVirtualRegister(SrcReg))
           break;
 
         MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
@@ -696,7 +695,7 @@
         SrcMI = SubRegMI;
         if (SubRegMI->getOpcode() == PPC::COPY) {
           unsigned CopyReg = SubRegMI->getOperand(1).getReg();
-          if (TargetRegisterInfo::isVirtualRegister(CopyReg))
+          if (Register::isVirtualRegister(CopyReg))
             SrcMI = MRI->getVRegDef(CopyReg);
         }
 
@@ -927,7 +926,7 @@
     }
     else if (Inst->isFullCopy())
       NextReg = Inst->getOperand(1).getReg();
-    if (NextReg == SrcReg || !TargetRegisterInfo::isVirtualRegister(NextReg))
+    if (NextReg == SrcReg || !Register::isVirtualRegister(NextReg))
       break;
     SrcReg = NextReg;
   }
@@ -950,8 +949,7 @@
         (*BII).getOperand(1).isReg()) {
       // We optimize only if the condition code is used only by one BCC.
       unsigned CndReg = (*BII).getOperand(1).getReg();
-      if (!TargetRegisterInfo::isVirtualRegister(CndReg) ||
-          !MRI->hasOneNonDBGUse(CndReg))
+      if (!Register::isVirtualRegister(CndReg) || !MRI->hasOneNonDBGUse(CndReg))
         return false;
 
       MachineInstr *CMPI = MRI->getVRegDef(CndReg);
@@ -961,7 +959,7 @@
 
       // We skip this BB if a physical register is used in comparison.
       for (MachineOperand &MO : CMPI->operands())
-        if (MO.isReg() && !TargetRegisterInfo::isVirtualRegister(MO.getReg()))
+        if (MO.isReg() && !Register::isVirtualRegister(MO.getReg()))
           return false;
 
       return true;
@@ -1335,7 +1333,7 @@
     return false;
 
   unsigned SrcReg = MI.getOperand(1).getReg();
-  if (!TargetRegisterInfo::isVirtualRegister(SrcReg))
+  if (!Register::isVirtualRegister(SrcReg))
     return false;
 
   MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
@@ -1415,7 +1413,7 @@
     return false;
 
   unsigned SrcReg = MI.getOperand(1).getReg();
-  if (!TargetRegisterInfo::isVirtualRegister(SrcReg))
+  if (!Register::isVirtualRegister(SrcReg))
     return false;
 
   MachineInstr *SrcMI = MRI->getVRegDef(SrcReg);
diff --git a/llvm/lib/Target/PowerPC/PPCReduceCRLogicals.cpp b/llvm/lib/Target/PowerPC/PPCReduceCRLogicals.cpp
index 8eaa6df..f2c7191 100644
--- a/llvm/lib/Target/PowerPC/PPCReduceCRLogicals.cpp
+++ b/llvm/lib/Target/PowerPC/PPCReduceCRLogicals.cpp
@@ -535,7 +535,7 @@
                                                      unsigned &Subreg,
                                                      MachineInstr *&CpDef) {
   Subreg = -1;
-  if (!TargetRegisterInfo::isVirtualRegister(Reg))
+  if (!Register::isVirtualRegister(Reg))
     return nullptr;
   MachineInstr *Copy = MRI->getVRegDef(Reg);
   CpDef = Copy;
@@ -543,7 +543,7 @@
     return Copy;
   unsigned CopySrc = Copy->getOperand(1).getReg();
   Subreg = Copy->getOperand(1).getSubReg();
-  if (!TargetRegisterInfo::isVirtualRegister(CopySrc)) {
+  if (!Register::isVirtualRegister(CopySrc)) {
     const TargetRegisterInfo *TRI = &TII->getRegisterInfo();
     // Set the Subreg
     if (CopySrc == PPC::CR0EQ || CopySrc == PPC::CR6EQ)
diff --git a/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp b/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 12554ea..f01e476d 100644
--- a/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -391,7 +391,7 @@
 
 bool PPCRegisterInfo::isCallerPreservedPhysReg(unsigned PhysReg,
                                                const MachineFunction &MF) const {
-  assert(TargetRegisterInfo::isPhysicalRegister(PhysReg));
+  assert(Register::isPhysicalRegister(PhysReg));
   const PPCSubtarget &Subtarget = MF.getSubtarget<PPCSubtarget>();
   const MachineFrameInfo &MFI = MF.getFrameInfo();
   if (!TM.isPPC64())
diff --git a/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp b/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp
index 719ed7b..fb2b26a 100644
--- a/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp
+++ b/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp
@@ -50,7 +50,7 @@
 
     bool IsRegInClass(unsigned Reg, const TargetRegisterClass *RC,
                       MachineRegisterInfo &MRI) {
-      if (TargetRegisterInfo::isVirtualRegister(Reg)) {
+      if (Register::isVirtualRegister(Reg)) {
         return RC->hasSubClassEq(MRI.getRegClass(Reg));
       } else if (RC->contains(Reg)) {
         return true;
diff --git a/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp b/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp
index ce78239..aedbf51 100644
--- a/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp
+++ b/llvm/lib/Target/PowerPC/PPCVSXFMAMutate.cpp
@@ -127,7 +127,7 @@
           continue;
 
         unsigned AddendSrcReg = AddendMI->getOperand(1).getReg();
-        if (TargetRegisterInfo::isVirtualRegister(AddendSrcReg)) {
+        if (Register::isVirtualRegister(AddendSrcReg)) {
           if (MRI.getRegClass(AddendMI->getOperand(0).getReg()) !=
               MRI.getRegClass(AddendSrcReg))
             continue;
@@ -208,7 +208,7 @@
         // legality checks above, the live range for the addend source register
         // could be extended), but it seems likely that such a trivial copy can
         // be coalesced away later, and thus is not worth the effort.
-        if (TargetRegisterInfo::isVirtualRegister(AddendSrcReg) &&
+        if (Register::isVirtualRegister(AddendSrcReg) &&
             !LIS->getInterval(AddendSrcReg).liveAt(FMAIdx))
           continue;
 
@@ -314,7 +314,7 @@
         // Extend the live interval of the addend source (it might end at the
         // copy to be removed, or somewhere in between there and here). This
         // is necessary only if it is a physical register.
-        if (!TargetRegisterInfo::isVirtualRegister(AddendSrcReg))
+        if (!Register::isVirtualRegister(AddendSrcReg))
           for (MCRegUnitIterator Units(AddendSrcReg, TRI); Units.isValid();
                ++Units) {
             unsigned Unit = *Units;
diff --git a/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp b/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp
index 44175af..aced629 100644
--- a/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp
+++ b/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp
@@ -158,7 +158,7 @@
 
   // Return true iff the given register is in the given class.
   bool isRegInClass(unsigned Reg, const TargetRegisterClass *RC) {
-    if (TargetRegisterInfo::isVirtualRegister(Reg))
+    if (Register::isVirtualRegister(Reg))
       return RC->hasSubClassEq(MRI->getRegClass(Reg));
     return RC->contains(Reg);
   }
@@ -566,7 +566,7 @@
     CopySrcReg = MI->getOperand(2).getReg();
   }
 
-  if (!TargetRegisterInfo::isVirtualRegister(CopySrcReg)) {
+  if (!Register::isVirtualRegister(CopySrcReg)) {
     if (!isScalarVecReg(CopySrcReg))
       SwapVector[VecIdx].MentionsPhysVR = 1;
     return CopySrcReg;
@@ -605,7 +605,7 @@
       if (!isVecReg(Reg) && !isScalarVecReg(Reg))
         continue;
 
-      if (!TargetRegisterInfo::isVirtualRegister(Reg)) {
+      if (!Register::isVirtualRegister(Reg)) {
         if (!(MI->isCopy() && isScalarVecReg(Reg)))
           SwapVector[EntryIdx].MentionsPhysVR = 1;
         continue;