class SparcSubtarget;
class SparcFrameLowering : public TargetFrameLowering {
- const SparcSubtarget &STI;
+ const SparcSubtarget &SubTarget;
public:
- explicit SparcFrameLowering(const SparcSubtarget &sti)
- : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 8, 0), STI(sti) {
- }
+ explicit SparcFrameLowering(const SparcSubtarget &ST)
+ : TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
+ ST.is64Bit() ? 16 : 8, 0, ST.is64Bit() ? 16 : 8),
+ SubTarget(ST) {}
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
- bool hasFP(const MachineFunction &MF) const { return false; }
+ void eliminateCallFramePseudoInstr(MachineFunction &MF,
+ MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator I) const;
+
+ bool hasReservedCallFrame(const MachineFunction &MF) const;
+ bool hasFP(const MachineFunction &MF) const;
+ void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
+ RegScavenger *RS = NULL) const;
+
+private:
+ // Remap input registers to output registers for leaf procedure.
+ void remapRegsForLeafProc(MachineFunction &MF) const;
+
+ // Returns true if MF is a leaf procedure.
+ bool isLeafProc(MachineFunction &MF) const;
+
+
+ // Emits code for adjusting SP in function prologue/epilogue.
+ void emitSPAdjustment(MachineFunction &MF,
+ MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI,
+ int NumBytes, unsigned ADDrr, unsigned ADDri) const;
+
};
} // End llvm namespace