67 assignCalleeSavedSpillSlots(MachineFunction &MF,  in assignCalleeSavedSpillSlots()  argument
70   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in assignCalleeSavedSpillSlots()
71   MachineFrameInfo &MFFrame = MF.getFrameInfo();  in assignCalleeSavedSpillSlots()
72   bool IsVarArg = MF.getFunction().isVarArg();  in assignCalleeSavedSpillSlots()
81     int Offset = getRegSpillOffset(MF, Reg);  in assignCalleeSavedSpillSlots()
104       int Offset = getRegSpillOffset(MF, Reg);  in assignCalleeSavedSpillSlots()
114   if (usePackedStack(MF))  in assignCalleeSavedSpillSlots()
133 void SystemZFrameLowering::determineCalleeSaves(MachineFunction &MF,  in determineCalleeSaves()  argument
136   TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS);  in determineCalleeSaves()
138   MachineFrameInfo &MFFrame = MF.getFrameInfo();  in determineCalleeSaves()
139   const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();  in determineCalleeSaves()
140   bool HasFP = hasFP(MF);  in determineCalleeSaves()
141   SystemZMachineFunctionInfo *MFI = MF.getInfo<SystemZMachineFunctionInfo>();  in determineCalleeSaves()
142   bool IsVarArg = MF.getFunction().isVarArg();  in determineCalleeSaves()
153   if (!MF.getLandingPads().empty()) {  in determineCalleeSaves()
172   const MCPhysReg *CSRegs = TRI->getCalleeSavedRegs(&MF);  in determineCalleeSaves()
205   MachineFunction &MF = *MBB.getParent();  in spillCalleeSavedRegisters()  local
206   const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();  in spillCalleeSavedRegisters()
207   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in spillCalleeSavedRegisters()
208   bool IsVarArg = MF.getFunction().isVarArg();  in spillCalleeSavedRegisters()
265   MachineFunction &MF = *MBB.getParent();  in restoreCalleeSavedRegisters()  local
266   const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();  in restoreCalleeSavedRegisters()
267   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in restoreCalleeSavedRegisters()
268   bool HasFP = hasFP(MF);  in restoreCalleeSavedRegisters()
316 processFunctionBeforeFrameFinalized(MachineFunction &MF,  in processFunctionBeforeFrameFinalized()  argument
318   MachineFrameInfo &MFFrame = MF.getFrameInfo();  in processFunctionBeforeFrameFinalized()
319   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in processFunctionBeforeFrameFinalized()
320   MachineRegisterInfo *MRI = &MF.getRegInfo();  in processFunctionBeforeFrameFinalized()
321   bool BackChain = MF.getFunction().hasFnAttribute("backchain");  in processFunctionBeforeFrameFinalized()
323   if (!usePackedStack(MF) || BackChain)  in processFunctionBeforeFrameFinalized()
325     getOrCreateFramePointerSaveIndex(MF);  in processFunctionBeforeFrameFinalized()
328   uint64_t StackSize = (MFFrame.estimateStackSize(MF) +  in processFunctionBeforeFrameFinalized()
353   if (MF.front().isLiveIn(SystemZ::R6D) &&  in processFunctionBeforeFrameFinalized()
403   MachineFunction &MF = *MBB.getParent();  in buildDefCFAReg()  local
404   MachineModuleInfo &MMI = MF.getMMI();  in buildDefCFAReg()
407   unsigned CFIIndex = MF.addFrameInst(  in buildDefCFAReg()
413 void SystemZFrameLowering::emitPrologue(MachineFunction &MF,  in emitPrologue()  argument
415   assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");  in emitPrologue()
416   const SystemZSubtarget &STI = MF.getSubtarget<SystemZSubtarget>();  in emitPrologue()
418   MachineFrameInfo &MFFrame = MF.getFrameInfo();  in emitPrologue()
420   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in emitPrologue()
422   MachineModuleInfo &MMI = MF.getMMI();  in emitPrologue()
425   bool HasFP = hasFP(MF);  in emitPrologue()
431   if (MF.getFunction().getCallingConv() == CallingConv::GHC) {  in emitPrologue()
464         unsigned CFIIndex = MF.addFrameInst(MCCFIInstruction::createOffset(  in emitPrologue()
493     const unsigned ProbeSize = TLI.getStackProbeSize(MF);  in emitPrologue()
497         MF.getSubtarget().getTargetLowering()->hasInlineStackProbe(MF)) {  in emitPrologue()
506       bool StoreBackchain = MF.getFunction().hasFnAttribute("backchain");  in emitPrologue()
517           .addImm(getBackchainOffset(MF)).addReg(0);  in emitPrologue()
533     for (auto I = std::next(MF.begin()), E = MF.end(); I != E; ++I)  in emitPrologue()
561         getFrameIndexReference(MF, Save.getFrameIdx(), IgnoredFrameReg)  in emitPrologue()
564     unsigned CFIIndex = MF.addFrameInst(MCCFIInstruction::createOffset(  in emitPrologue()
576 void SystemZFrameLowering::emitEpilogue(MachineFunction &MF,  in emitEpilogue()  argument
580       static_cast<const SystemZInstrInfo *>(MF.getSubtarget().getInstrInfo());  in emitEpilogue()
581   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in emitEpilogue()
582   MachineFrameInfo &MFFrame = MF.getFrameInfo();  in emitEpilogue()
585   if (MF.getFunction().getCallingConv() == CallingConv::GHC)  in emitEpilogue()
622 void SystemZFrameLowering::inlineStackProbe(MachineFunction &MF,  in inlineStackProbe()  argument
625     static_cast<const SystemZInstrInfo *>(MF.getSubtarget().getInstrInfo());  in inlineStackProbe()
626   const SystemZSubtarget &STI = MF.getSubtarget<SystemZSubtarget>();  in inlineStackProbe()
638   const unsigned ProbeSize = TLI.getStackProbeSize(MF);  in inlineStackProbe()
656     MachineMemOperand *MMO = MF.getMachineMemOperand(MachinePointerInfo(),  in inlineStackProbe()
664   bool StoreBackchain = MF.getFunction().hasFnAttribute("backchain");  in inlineStackProbe()
712       .addImm(getBackchainOffset(MF)).addReg(0);  in inlineStackProbe()
722 bool SystemZFrameLowering::hasFP(const MachineFunction &MF) const {  in hasFP()
723   return (MF.getTarget().Options.DisableFramePointerElim(MF) ||  in hasFP()
724           MF.getFrameInfo().hasVarSizedObjects() ||  in hasFP()
725           MF.getInfo<SystemZMachineFunctionInfo>()->getManipulatesSP());  in hasFP()
729 SystemZFrameLowering::hasReservedCallFrame(const MachineFunction &MF) const {  in hasReservedCallFrame()
738 SystemZFrameLowering::getFrameIndexReference(const MachineFunction &MF, int FI,  in getFrameIndexReference()  argument
743       TargetFrameLowering::getFrameIndexReference(MF, FI, FrameReg);  in getFrameIndexReference()
748 eliminateCallFramePseudoInstr(MachineFunction &MF,  in eliminateCallFramePseudoInstr()  argument
754     assert(hasReservedCallFrame(MF) &&  in eliminateCallFramePseudoInstr()
764 unsigned SystemZFrameLowering::getRegSpillOffset(MachineFunction &MF,  in getRegSpillOffset()  argument
766   bool IsVarArg = MF.getFunction().isVarArg();  in getRegSpillOffset()
767   bool BackChain = MF.getFunction().hasFnAttribute("backchain");  in getRegSpillOffset()
768   bool SoftFloat = MF.getSubtarget<SystemZSubtarget>().hasSoftFloat();  in getRegSpillOffset()
770   if (usePackedStack(MF) && !(IsVarArg && !SoftFloat)) {  in getRegSpillOffset()
782 getOrCreateFramePointerSaveIndex(MachineFunction &MF) const {  in getOrCreateFramePointerSaveIndex()
783   SystemZMachineFunctionInfo *ZFI = MF.getInfo<SystemZMachineFunctionInfo>();  in getOrCreateFramePointerSaveIndex()
786     MachineFrameInfo &MFFrame = MF.getFrameInfo();  in getOrCreateFramePointerSaveIndex()
787     int Offset = getBackchainOffset(MF) - SystemZMC::ELFCallFrameSize;  in getOrCreateFramePointerSaveIndex()
794 bool SystemZFrameLowering::usePackedStack(MachineFunction &MF) const {  in usePackedStack()
795   bool HasPackedStackAttr = MF.getFunction().hasFnAttribute("packed-stack");  in usePackedStack()
796   bool BackChain = MF.getFunction().hasFnAttribute("backchain");  in usePackedStack()
797   bool SoftFloat = MF.getSubtarget<SystemZSubtarget>().hasSoftFloat();  in usePackedStack()
800   bool CallConv = MF.getFunction().getCallingConv() != CallingConv::GHC;  in usePackedStack()