diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp index fe116b6f790..c30d5efd4bf 100644 --- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp +++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp @@ -76,24 +76,9 @@ bool SystemZRegisterInfo::hasFP(const MachineFunction &MF) const { return NoFramePointerElim || MFI->hasVarSizedObjects(); } -bool SystemZRegisterInfo::hasReservedCallFrame(MachineFunction &MF) const { - // FIXME: Should we always have reserved call frame? - return !MF.getFrameInfo()->hasVarSizedObjects(); -} - void SystemZRegisterInfo:: eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const { - if (!hasReservedCallFrame(MF)) { - // If the stack pointer can be changed after prologue, turn the - // adjcallstackup instruction into a 'sub R15, <amt>' and the - // adjcallstackdown instruction into 'add R15, <amt>' - MachineInstr *Old = I; - uint64_t Amount = Old->getOperand(0).getImm(); - - assert((Amount == 0) && "Not implemented yet!"); - } - MBB.erase(I); } diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.h b/lib/Target/SystemZ/SystemZRegisterInfo.h index 9430c874636..60ea036ed6f 100644 --- a/lib/Target/SystemZ/SystemZRegisterInfo.h +++ b/lib/Target/SystemZ/SystemZRegisterInfo.h @@ -46,7 +46,7 @@ struct SystemZRegisterInfo : public SystemZGenRegisterInfo { BitVector getReservedRegs(const MachineFunction &MF) const; - bool hasReservedCallFrame(MachineFunction &MF) const; + bool hasReservedCallFrame(MachineFunction &MF) const { return true; } bool hasFP(const MachineFunction &MF) const; int getFrameIndexOffset(MachineFunction &MF, int FI) const;