diff options
Diffstat (limited to 'lib/Target/SystemZ/SystemZFrameLowering.h')
| -rw-r--r-- | lib/Target/SystemZ/SystemZFrameLowering.h | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/lib/Target/SystemZ/SystemZFrameLowering.h b/lib/Target/SystemZ/SystemZFrameLowering.h index 5ca049c..08321e0 100644 --- a/lib/Target/SystemZ/SystemZFrameLowering.h +++ b/lib/Target/SystemZ/SystemZFrameLowering.h @@ -29,7 +29,9 @@ public: SystemZFrameLowering(const SystemZTargetMachine &tm, const SystemZSubtarget &sti); - // Override FrameLowering. + // Override TargetFrameLowering. + virtual const SpillSlot *getCalleeSavedSpillSlots(unsigned &NumEntries) const + LLVM_OVERRIDE; virtual void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS) const LLVM_OVERRIDE; @@ -59,16 +61,6 @@ public: MachineBasicBlock::iterator MI) const LLVM_OVERRIDE; - // The target-independent code automatically allocates save slots for - // call-saved GPRs. However, we don't need those slots for SystemZ, - // because the ABI sets aside GPR save slots in the caller-allocated part - // of the frame. Since the target-independent code puts this unneeded - // area at the top of the callee-allocated part of frame, we choose not - // to allocate it and adjust the offsets accordingly. Return the - // size of this unallocated area. - // FIXME: seems a bit hackish. - uint64_t getUnallocatedTopBytes(const MachineFunction &MF) const; - // Return the number of bytes in the callee-allocated part of the frame. uint64_t getAllocatedStackSize(const MachineFunction &MF) const; |