Convert some uses of XXXRegisterClass to &XXXRegClass. No functional change since they are equivalent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155186 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCFrameLowering.cpp b/lib/Target/PowerPC/PPCFrameLowering.cpp
index b77a80b..5950290 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -492,7 +492,7 @@
 
       // This is a bit of a hack: CR2LT, CR2GT, CR2EQ and CR2UN are just
       // subregisters of CR2. We just need to emit a move of CR2.
-      if (PPC::CRBITRCRegisterClass->contains(Reg))
+      if (PPC::CRBITRCRegClass.contains(Reg))
         continue;
 
       MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
@@ -817,7 +817,7 @@
 
   for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
     unsigned Reg = CSI[i].getReg();
-    if (PPC::GPRCRegisterClass->contains(Reg)) {
+    if (PPC::GPRCRegClass.contains(Reg)) {
       HasGPSaveArea = true;
 
       GPRegs.push_back(CSI[i]);
@@ -825,7 +825,7 @@
       if (Reg < MinGPR) {
         MinGPR = Reg;
       }
-    } else if (PPC::G8RCRegisterClass->contains(Reg)) {
+    } else if (PPC::G8RCRegClass.contains(Reg)) {
       HasG8SaveArea = true;
 
       G8Regs.push_back(CSI[i]);
@@ -833,7 +833,7 @@
       if (Reg < MinG8R) {
         MinG8R = Reg;
       }
-    } else if (PPC::F8RCRegisterClass->contains(Reg)) {
+    } else if (PPC::F8RCRegClass.contains(Reg)) {
       HasFPSaveArea = true;
 
       FPRegs.push_back(CSI[i]);
@@ -842,12 +842,12 @@
         MinFPR = Reg;
       }
 // FIXME SVR4: Disable CR save area for now.
-    } else if (PPC::CRBITRCRegisterClass->contains(Reg)
-               || PPC::CRRCRegisterClass->contains(Reg)) {
+    } else if (PPC::CRBITRCRegClass.contains(Reg) ||
+               PPC::CRRCRegClass.contains(Reg)) {
 //      HasCRSaveArea = true;
-    } else if (PPC::VRSAVERCRegisterClass->contains(Reg)) {
+    } else if (PPC::VRSAVERCRegClass.contains(Reg)) {
       HasVRSAVESaveArea = true;
-    } else if (PPC::VRRCRegisterClass->contains(Reg)) {
+    } else if (PPC::VRRCRegClass.contains(Reg)) {
       HasVRSaveArea = true;
 
       VRegs.push_back(CSI[i]);
@@ -932,8 +932,8 @@
     for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
       unsigned Reg = CSI[i].getReg();
 
-      if (PPC::CRBITRCRegisterClass->contains(Reg) ||
-          PPC::CRRCRegisterClass->contains(Reg)) {
+      if (PPC::CRBITRCRegClass.contains(Reg) ||
+          PPC::CRRCRegClass.contains(Reg)) {
         int FI = CSI[i].getFrameIdx();
 
         FFI->setObjectOffset(FI, LowerBound + FFI->getObjectOffset(FI));
@@ -950,7 +950,7 @@
     for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
       unsigned Reg = CSI[i].getReg();
 
-      if (PPC::VRSAVERCRegisterClass->contains(Reg)) {
+      if (PPC::VRSAVERCRegClass.contains(Reg)) {
         int FI = CSI[i].getFrameIdx();
 
         FFI->setObjectOffset(FI, LowerBound + FFI->getObjectOffset(FI));
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 5a04888..4303ae1 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -238,11 +238,11 @@
     DebugLoc dl;
 
     if (PPCLowering.getPointerTy() == MVT::i32) {
-      GlobalBaseReg = RegInfo->createVirtualRegister(PPC::GPRCRegisterClass);
+      GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRCRegClass);
       BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR));
       BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg);
     } else {
-      GlobalBaseReg = RegInfo->createVirtualRegister(PPC::G8RCRegisterClass);
+      GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RCRegClass);
       BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR8));
       BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR8), GlobalBaseReg);
     }
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index ec1c14c..b0b3c17 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -76,9 +76,9 @@
   setMinStackArgumentAlignment(TM.getSubtarget<PPCSubtarget>().isPPC64() ? 8:4);
 
   // Set up the register classes.
-  addRegisterClass(MVT::i32, PPC::GPRCRegisterClass);
-  addRegisterClass(MVT::f32, PPC::F4RCRegisterClass);
-  addRegisterClass(MVT::f64, PPC::F8RCRegisterClass);
+  addRegisterClass(MVT::i32, &PPC::GPRCRegClass);
+  addRegisterClass(MVT::f32, &PPC::F4RCRegClass);
+  addRegisterClass(MVT::f64, &PPC::F8RCRegClass);
 
   // PowerPC has an i16 but no i8 (or i1) SEXTLOAD
   setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
@@ -292,7 +292,7 @@
 
   if (TM.getSubtarget<PPCSubtarget>().use64BitRegs()) {
     // 64-bit PowerPC implementations can support i64 types directly
-    addRegisterClass(MVT::i64, PPC::G8RCRegisterClass);
+    addRegisterClass(MVT::i64, &PPC::G8RCRegClass);
     // BUILD_PAIR can't be handled natively, and should be expanded to shl/or
     setOperationAction(ISD::BUILD_PAIR, MVT::i64, Expand);
     // 64-bit PowerPC wants to expand i128 shifts itself.
@@ -370,10 +370,10 @@
     setOperationAction(ISD::SELECT, MVT::v4i32, Expand);
     setOperationAction(ISD::STORE , MVT::v4i32, Legal);
 
-    addRegisterClass(MVT::v4f32, PPC::VRRCRegisterClass);
-    addRegisterClass(MVT::v4i32, PPC::VRRCRegisterClass);
-    addRegisterClass(MVT::v8i16, PPC::VRRCRegisterClass);
-    addRegisterClass(MVT::v16i8, PPC::VRRCRegisterClass);
+    addRegisterClass(MVT::v4f32, &PPC::VRRCRegClass);
+    addRegisterClass(MVT::v4i32, &PPC::VRRCRegClass);
+    addRegisterClass(MVT::v8i16, &PPC::VRRCRegClass);
+    addRegisterClass(MVT::v16i8, &PPC::VRRCRegClass);
 
     setOperationAction(ISD::MUL, MVT::v4f32, Legal);
     setOperationAction(ISD::MUL, MVT::v4i32, Custom);
@@ -1721,19 +1721,19 @@
         default:
           llvm_unreachable("ValVT not supported by formal arguments Lowering");
         case MVT::i32:
-          RC = PPC::GPRCRegisterClass;
+          RC = &PPC::GPRCRegClass;
           break;
         case MVT::f32:
-          RC = PPC::F4RCRegisterClass;
+          RC = &PPC::F4RCRegClass;
           break;
         case MVT::f64:
-          RC = PPC::F8RCRegisterClass;
+          RC = &PPC::F8RCRegClass;
           break;
         case MVT::v16i8:
         case MVT::v8i16:
         case MVT::v4i32:
         case MVT::v4f32:
-          RC = PPC::VRRCRegisterClass;
+          RC = &PPC::VRRCRegClass;
           break;
       }
 
@@ -5612,18 +5612,18 @@
     case 'b':   // R1-R31
     case 'r':   // R0-R31
       if (VT == MVT::i64 && PPCSubTarget.isPPC64())
-        return std::make_pair(0U, PPC::G8RCRegisterClass);
-      return std::make_pair(0U, PPC::GPRCRegisterClass);
+        return std::make_pair(0U, &PPC::G8RCRegClass);
+      return std::make_pair(0U, &PPC::GPRCRegClass);
     case 'f':
       if (VT == MVT::f32)
-        return std::make_pair(0U, PPC::F4RCRegisterClass);
-      else if (VT == MVT::f64)
-        return std::make_pair(0U, PPC::F8RCRegisterClass);
+        return std::make_pair(0U, &PPC::F4RCRegClass);
+      if (VT == MVT::f64)
+        return std::make_pair(0U, &PPC::F8RCRegClass);
       break;
     case 'v':
-      return std::make_pair(0U, PPC::VRRCRegisterClass);
+      return std::make_pair(0U, &PPC::VRRCRegClass);
     case 'y':   // crrc
-      return std::make_pair(0U, PPC::CRRCRegisterClass);
+      return std::make_pair(0U, &PPC::CRRCRegClass);
     }
   }
 
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index b45ada9..c0b9e92 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -354,7 +354,7 @@
                                   const TargetRegisterClass *RC,
                                   SmallVectorImpl<MachineInstr*> &NewMIs) const{
   DebugLoc DL;
-  if (PPC::GPRCRegisterClass->hasSubClassEq(RC)) {
+  if (PPC::GPRCRegClass.hasSubClassEq(RC)) {
     if (SrcReg != PPC::LR) {
       NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STW))
                                          .addReg(SrcReg,
@@ -370,7 +370,7 @@
                                                  getKillRegState(isKill)),
                                          FrameIdx));
     }
-  } else if (PPC::G8RCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::G8RCRegClass.hasSubClassEq(RC)) {
     if (SrcReg != PPC::LR8) {
       NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STD))
                                          .addReg(SrcReg,
@@ -386,17 +386,17 @@
                                                  getKillRegState(isKill)),
                                          FrameIdx));
     }
-  } else if (PPC::F8RCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::F8RCRegClass.hasSubClassEq(RC)) {
     NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STFD))
                                        .addReg(SrcReg,
                                                getKillRegState(isKill)),
                                        FrameIdx));
-  } else if (PPC::F4RCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::F4RCRegClass.hasSubClassEq(RC)) {
     NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STFS))
                                        .addReg(SrcReg,
                                                getKillRegState(isKill)),
                                        FrameIdx));
-  } else if (PPC::CRRCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::CRRCRegClass.hasSubClassEq(RC)) {
     if ((!DisablePPC32RS && !TM.getSubtargetImpl()->isPPC64()) ||
         (!DisablePPC64RS && TM.getSubtargetImpl()->isPPC64())) {
       NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::SPILL_CR))
@@ -438,7 +438,7 @@
                                                  getKillRegState(isKill)),
                                          FrameIdx));
     }
-  } else if (PPC::CRBITRCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::CRBITRCRegClass.hasSubClassEq(RC)) {
     // FIXME: We use CRi here because there is no mtcrf on a bit. Since the
     // backend currently only uses CR1EQ as an individual bit, this should
     // not cause any bug. If we need other uses of CR bits, the following
@@ -470,9 +470,9 @@
       Reg = PPC::CR7;
 
     return StoreRegToStackSlot(MF, Reg, isKill, FrameIdx,
-                               PPC::CRRCRegisterClass, NewMIs);
+                               &PPC::CRRCRegClass, NewMIs);
 
-  } else if (PPC::VRRCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::VRRCRegClass.hasSubClassEq(RC)) {
     // We don't have indexed addressing for vector loads.  Emit:
     // R0 = ADDI FI#
     // STVX VAL, 0, R0
@@ -522,7 +522,7 @@
                                    unsigned DestReg, int FrameIdx,
                                    const TargetRegisterClass *RC,
                                    SmallVectorImpl<MachineInstr*> &NewMIs)const{
-  if (PPC::GPRCRegisterClass->hasSubClassEq(RC)) {
+  if (PPC::GPRCRegClass.hasSubClassEq(RC)) {
     if (DestReg != PPC::LR) {
       NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LWZ),
                                                  DestReg), FrameIdx));
@@ -531,7 +531,7 @@
                                                  PPC::R11), FrameIdx));
       NewMIs.push_back(BuildMI(MF, DL, get(PPC::MTLR)).addReg(PPC::R11));
     }
-  } else if (PPC::G8RCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::G8RCRegClass.hasSubClassEq(RC)) {
     if (DestReg != PPC::LR8) {
       NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LD), DestReg),
                                          FrameIdx));
@@ -540,13 +540,13 @@
                                                  PPC::X11), FrameIdx));
       NewMIs.push_back(BuildMI(MF, DL, get(PPC::MTLR8)).addReg(PPC::X11));
     }
-  } else if (PPC::F8RCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::F8RCRegClass.hasSubClassEq(RC)) {
     NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LFD), DestReg),
                                        FrameIdx));
-  } else if (PPC::F4RCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::F4RCRegClass.hasSubClassEq(RC)) {
     NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LFS), DestReg),
                                        FrameIdx));
-  } else if (PPC::CRRCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::CRRCRegClass.hasSubClassEq(RC)) {
     if ((!DisablePPC32RS && !TM.getSubtargetImpl()->isPPC64()) ||
         (!DisablePPC64RS && TM.getSubtargetImpl()->isPPC64())) {
       NewMIs.push_back(addFrameReference(BuildMI(MF, DL,
@@ -578,7 +578,7 @@
                          PPC::MTCRF8 : PPC::MTCRF), DestReg)
                        .addReg(ScratchReg));
     }
-  } else if (PPC::CRBITRCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::CRBITRCRegClass.hasSubClassEq(RC)) {
 
     unsigned Reg = 0;
     if (DestReg == PPC::CR0LT || DestReg == PPC::CR0GT ||
@@ -607,9 +607,9 @@
       Reg = PPC::CR7;
 
     return LoadRegFromStackSlot(MF, DL, Reg, FrameIdx,
-                                PPC::CRRCRegisterClass, NewMIs);
+                                &PPC::CRRCRegClass, NewMIs);
 
-  } else if (PPC::VRRCRegisterClass->hasSubClassEq(RC)) {
+  } else if (PPC::VRRCRegClass.hasSubClassEq(RC)) {
     // We don't have indexed addressing for vector loads.  Emit:
     // R0 = ADDI FI#
     // Dest = LVX 0, R0