diff options
Diffstat (limited to 'lib/Target/SystemZ/SystemZFrameLowering.h')
| -rw-r--r-- | lib/Target/SystemZ/SystemZFrameLowering.h | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/lib/Target/SystemZ/SystemZFrameLowering.h b/lib/Target/SystemZ/SystemZFrameLowering.h index 08321e0..9b0a1d5 100644 --- a/lib/Target/SystemZ/SystemZFrameLowering.h +++ b/lib/Target/SystemZ/SystemZFrameLowering.h @@ -30,6 +30,7 @@ public: const SystemZSubtarget &sti); // Override TargetFrameLowering. + virtual bool isFPCloseToIncomingSP() const LLVM_OVERRIDE { return false; } virtual const SpillSlot *getCalleeSavedSpillSlots(unsigned &NumEntries) const LLVM_OVERRIDE; virtual void @@ -47,6 +48,8 @@ public: const std::vector<CalleeSavedInfo> &CSI, const TargetRegisterInfo *TRI) const LLVM_OVERRIDE; + virtual void processFunctionBeforeFrameFinalized(MachineFunction &MF, + RegScavenger *RS) const; virtual void emitPrologue(MachineFunction &MF) const LLVM_OVERRIDE; virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const LLVM_OVERRIDE; @@ -64,16 +67,6 @@ public: // Return the number of bytes in the callee-allocated part of the frame. uint64_t getAllocatedStackSize(const MachineFunction &MF) const; - // Return the number of frame bytes that should be reserved for - // an emergency spill slot, for use by the register scaveneger. - // Return 0 if register scaveging won't be needed. - unsigned getEmergencySpillSlotSize(const MachineFunction &MF) const; - - // Return the offset from the frame pointer of the emergency spill slot, - // which always fits within a 12-bit unsigned displacement field. - // Only valid if getEmergencySpillSlotSize(MF) returns nonzero. - unsigned getEmergencySpillSlotOffset(const MachineFunction &MF) const; - // Return the byte offset from the incoming stack pointer of Reg's // ABI-defined save slot. Return 0 if no slot is defined for Reg. unsigned getRegSpillOffset(unsigned Reg) const { |