public:
explicit AArch64FrameLowering()
: TargetFrameLowering(StackGrowsDown, 16, 0, 16,
- false /*StackRealignable*/) {}
+ true /*StackRealignable*/) {}
void emitCalleeSavedFrameMoves(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
- void emitPrologue(MachineFunction &MF) const override;
+ void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
- int getFrameIndexOffset(const MachineFunction &MF, int FI) const override;
+ bool canUseAsPrologue(const MachineBasicBlock &MBB) const override;
+
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const override;
int resolveFrameIndexReference(const MachineFunction &MF, int FI,
bool hasFP(const MachineFunction &MF) const override;
bool hasReservedCallFrame(const MachineFunction &MF) const override;
- void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
- RegScavenger *RS) const override;
+ void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
+ RegScavenger *RS) const override;
+
+ /// Returns true if the target will correctly handle shrink wrapping.
+ bool enableShrinkWrapping(const MachineFunction &MF) const override {
+ return true;
+ }
};
} // End llvm namespace