Remove getEHExceptionRegister and getEHHandlerRegister.

They haven't been used for a long time. Patch by MathOnNapkins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192099 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMBaseRegisterInfo.cpp

@@ -385,14 +385,6 @@ ARMBaseRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
   return ARM::SP;
 }
 
-unsigned ARMBaseRegisterInfo::getEHExceptionRegister() const {
-  llvm_unreachable("What is the exception register");
-}
-
-unsigned ARMBaseRegisterInfo::getEHHandlerRegister() const {
-  llvm_unreachable("What is the exception handler register");
-}
-
 /// emitLoadConstPool - Emits a load from constpool to materialize the
 /// specified immediate.
 void ARMBaseRegisterInfo::

lib/Target/ARM/ARMBaseRegisterInfo.h

@@ -149,10 +149,6 @@ public:
   unsigned getFrameRegister(const MachineFunction &MF) const;
   unsigned getBaseRegister() const { return BasePtr; }
 
-  // Exception handling queries.
-  unsigned getEHExceptionRegister() const;
-  unsigned getEHHandlerRegister() const;
-
   bool isLowRegister(unsigned Reg) const;
 
 

lib/Target/Hexagon/HexagonRegisterInfo.cpp

@@ -295,13 +295,5 @@ unsigned HexagonRegisterInfo::getStackRegister() const {
   return Hexagon::R29;
 }
 
-unsigned HexagonRegisterInfo::getEHExceptionRegister() const {
-  llvm_unreachable("What is the exception register");
-}
-
-unsigned HexagonRegisterInfo::getEHHandlerRegister() const {
-  llvm_unreachable("What is the exception handler register");
-}
-
 #define GET_REGINFO_TARGET_DESC
 #include "HexagonGenRegisterInfo.inc"

lib/Target/Hexagon/HexagonRegisterInfo.h

@@ -78,10 +78,6 @@ struct HexagonRegisterInfo : public HexagonGenRegisterInfo {
   unsigned getFrameRegister(const MachineFunction &MF) const;
   unsigned getFrameRegister() const;
   unsigned getStackRegister() const;
-
-  // Exception handling queries.
-  unsigned getEHExceptionRegister() const;
-  unsigned getEHHandlerRegister() const;
 };
 
 } // end namespace llvm

lib/Target/Mips/MipsRegisterInfo.cpp

@@ -240,12 +240,3 @@ getFrameRegister(const MachineFunction &MF) const {
 
 }
 
-unsigned MipsRegisterInfo::
-getEHExceptionRegister() const {
-  llvm_unreachable("What is the exception register");
-}
-
-unsigned MipsRegisterInfo::
-getEHHandlerRegister() const {
-  llvm_unreachable("What is the exception handler register");
-}

lib/Target/Mips/MipsRegisterInfo.h

@@ -68,10 +68,6 @@ public:
   /// Debug information queries.
   unsigned getFrameRegister(const MachineFunction &MF) const;
 
-  /// Exception handling queries.
-  unsigned getEHExceptionRegister() const;
-  unsigned getEHHandlerRegister() const;
-
   /// \brief Return GPR register class.
   virtual const TargetRegisterClass *intRegClass(unsigned Size) const = 0;
 

lib/Target/PowerPC/PPCRegisterInfo.cpp

@@ -691,14 +691,6 @@ unsigned PPCRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
     return TFI->hasFP(MF) ? PPC::X31 : PPC::X1;
 }
 
-unsigned PPCRegisterInfo::getEHExceptionRegister() const {
-  return !Subtarget.isPPC64() ? PPC::R3 : PPC::X3;
-}
-
-unsigned PPCRegisterInfo::getEHHandlerRegister() const {
-  return !Subtarget.isPPC64() ? PPC::R4 : PPC::X4;
-}
-
 unsigned PPCRegisterInfo::getBaseRegister(const MachineFunction &MF) const {
   if (!hasBasePointer(MF))
     return getFrameRegister(MF);

lib/Target/PowerPC/PPCRegisterInfo.h

@@ -97,10 +97,6 @@ public:
   bool hasBasePointer(const MachineFunction &MF) const;
   bool canRealignStack(const MachineFunction &MF) const;
   bool needsStackRealignment(const MachineFunction &MF) const;
-
-  // Exception handling queries.
-  unsigned getEHExceptionRegister() const;
-  unsigned getEHHandlerRegister() const;
 };
 
 } // end namespace llvm

lib/Target/Sparc/SparcRegisterInfo.cpp

@@ -182,10 +182,3 @@ unsigned SparcRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
   return SP::I6;
 }
 
-unsigned SparcRegisterInfo::getEHExceptionRegister() const {
-  llvm_unreachable("What is the exception register");
-}
-
-unsigned SparcRegisterInfo::getEHHandlerRegister() const {
-  llvm_unreachable("What is the exception handler register");
-}

lib/Target/Sparc/SparcRegisterInfo.h

@@ -50,10 +50,6 @@ struct SparcRegisterInfo : public SparcGenRegisterInfo {
 
   // Debug information queries.
   unsigned getFrameRegister(const MachineFunction &MF) const;
-
-  // Exception handling queries.
-  unsigned getEHExceptionRegister() const;
-  unsigned getEHHandlerRegister() const;
 };
 
 } // end namespace llvm

lib/Target/X86/X86RegisterInfo.cpp

@@ -512,14 +512,6 @@ unsigned X86RegisterInfo::getFrameRegister(const MachineFunction &MF) const {
   return TFI->hasFP(MF) ? FramePtr : StackPtr;
 }
 
-unsigned X86RegisterInfo::getEHExceptionRegister() const {
-  llvm_unreachable("What is the exception register");
-}
-
-unsigned X86RegisterInfo::getEHHandlerRegister() const {
-  llvm_unreachable("What is the exception handler register");
-}
-
 namespace llvm {
 unsigned getX86SubSuperRegister(unsigned Reg, MVT::SimpleValueType VT,
                                 bool High) {

lib/Target/X86/X86RegisterInfo.h

@@ -126,10 +126,6 @@ public:
   unsigned getBaseRegister() const { return BasePtr; }
   // FIXME: Move to FrameInfok
   unsigned getSlotSize() const { return SlotSize; }
-
-  // Exception handling queries.
-  unsigned getEHExceptionRegister() const;
-  unsigned getEHHandlerRegister() const;
 };
 
 // getX86SubSuperRegister - X86 utility function. It returns the sub or super