1 files changed, 41 insertions, 24 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.h b/lib/Target/ARM/ARMBaseRegisterInfo.h
index fa2eb6c10498..ba6bd2b32082 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.h
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.h
@@ -44,6 +44,45 @@ static inline bool isARMLowRegister(unsigned Reg) {
   }
 }
 
+/// isARMArea1Register - Returns true if the register is a low register (r0-r7)
+/// or a stack/pc register that we should push/pop.
+static inline bool isARMArea1Register(unsigned Reg, bool isDarwin) {
+  using namespace ARM;
+  switch (Reg) {
+    case R0:  case R1:  case R2:  case R3:
+    case R4:  case R5:  case R6:  case R7:
+    case LR:  case SP:  case PC:
+      return true;
+    case R8:  case R9:  case R10: case R11:
+      // For darwin we want r7 and lr to be next to each other.
+      return !isDarwin;
+    default:
+      return false;
+  }
+}
+
+static inline bool isARMArea2Register(unsigned Reg, bool isDarwin) {
+  using namespace ARM;
+  switch (Reg) {
+    case R8: case R9: case R10: case R11:
+      // Darwin has this second area.
+      return isDarwin;
+    default:
+      return false;
+  }
+}
+
+static inline bool isARMArea3Register(unsigned Reg, bool isDarwin) {
+  using namespace ARM;
+  switch (Reg) {
+    case D15: case D14: case D13: case D12:
+    case D11: case D10: case D9:  case D8:
+      return true;
+    default:
+      return false;
+  }
+}
+
 class ARMBaseRegisterInfo : public ARMGenRegisterInfo {
 protected:
   const ARMBaseInstrInfo &TII;
@@ -65,12 +104,6 @@ protected:
   unsigned getOpcode(int Op) const;
 
 public:
-  /// getRegisterNumbering - Given the enum value for some register, e.g.
-  /// ARM::LR, return the number that it corresponds to (e.g. 14). It
-  /// also returns true in isSPVFP if the register is a single precision
-  /// VFP register.
-  static unsigned getRegisterNumbering(unsigned RegEnum, bool *isSPVFP = 0);
-
   /// Code Generation virtual methods...
   const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
 
@@ -106,14 +139,13 @@ public:
   void UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
                           MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
   bool hasBasePointer(const MachineFunction &MF) const;
 
   bool canRealignStack(const MachineFunction &MF) const;
   bool needsStackRealignment(const MachineFunction &MF) const;
   int64_t getFrameIndexInstrOffset(const MachineInstr *MI, int Idx) const;
   bool needsFrameBaseReg(MachineInstr *MI, int64_t Offset) const;
-  void materializeFrameBaseRegister(MachineBasicBlock::iterator I,
+  void materializeFrameBaseRegister(MachineBasicBlock *MBB,
                                     unsigned BaseReg, int FrameIdx,
                                     int64_t Offset) const;
   void resolveFrameIndex(MachineBasicBlock::iterator I,
@@ -122,17 +154,10 @@ public:
 
   bool cannotEliminateFrame(const MachineFunction &MF) const;
 
-  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
-                                            RegScavenger *RS = NULL) const;
-
   // Debug information queries.
   unsigned getRARegister() const;
   unsigned getFrameRegister(const MachineFunction &MF) const;
-  int getFrameIndexReference(const MachineFunction &MF, int FI,
-                             unsigned &FrameReg) const;
-  int ResolveFrameIndexReference(const MachineFunction &MF, int FI,
-                                 unsigned &FrameReg, int SPAdj) const;
-  int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
+  unsigned getBaseRegister() const { return BasePtr; }
 
   // Exception handling queries.
   unsigned getEHExceptionRegister() const;
@@ -162,9 +187,6 @@ public:
 
   virtual bool requiresVirtualBaseRegisters(const MachineFunction &MF) const;
 
-  virtual bool hasReservedCallFrame(const MachineFunction &MF) const;
-  virtual bool canSimplifyCallFramePseudos(const MachineFunction &MF) const;
-
   virtual void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                            MachineBasicBlock &MBB,
                                            MachineBasicBlock::iterator I) const;
@@ -172,12 +194,7 @@ public:
   virtual void eliminateFrameIndex(MachineBasicBlock::iterator II,
                                    int SPAdj, RegScavenger *RS = NULL) const;
 
-  virtual void emitPrologue(MachineFunction &MF) const;
-  virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
-
 private:
-  unsigned estimateRSStackSizeLimit(MachineFunction &MF) const;
-
   unsigned getRegisterPairEven(unsigned Reg, const MachineFunction &MF) const;
 
   unsigned getRegisterPairOdd(unsigned Reg, const MachineFunction &MF) const;