Function temporaries can not overlap with retval or args.See the comment in source...
[oota-llvm.git] / lib / Target / PowerPC / PPCRegisterInfo.h
index fc17b0209cc68e1035ca2dbd8579d280c05e374c..9506b651c5b382a98924c821120bd857d37eb44d 100644 (file)
@@ -35,10 +35,11 @@ public:
   /// PPC::F14, return the number that it corresponds to (e.g. 14).
   static unsigned getRegisterNumbering(unsigned RegEnum);
 
-  /// Code Generation virtual methods...
-  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
-                     unsigned DestReg, const MachineInstr *Orig) const;
+  /// getPointerRegClass - Return the register class to use to hold pointers.
+  /// This is used for addressing modes.
+  virtual const TargetRegisterClass *getPointerRegClass() const;  
 
+  /// Code Generation virtual methods...
   const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
 
   const TargetRegisterClass* const*
@@ -51,13 +52,20 @@ public:
   /// time).
   bool targetHandlesStackFrameRounding() const { return true; }
 
+  /// requiresRegisterScavenging - We require a register scavenger.
+  /// FIXME (64-bit): Should be inlined.
+  bool requiresRegisterScavenging(const MachineFunction &MF) const;
+
   bool hasFP(const MachineFunction &MF) const;
 
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
 
-  void lowerDynamicAlloc(MachineBasicBlock::iterator II) const;
+  void lowerDynamicAlloc(MachineBasicBlock::iterator II,
+                         int SPAdj, RegScavenger *RS) const;
+  void lowerCRSpilling(MachineBasicBlock::iterator II, unsigned FrameIndex,
+                       int SPAdj, RegScavenger *RS) const;
   void eliminateFrameIndex(MachineBasicBlock::iterator II,
                            int SPAdj, RegScavenger *RS = NULL) const;