33 bool LoongArchFrameLowering::hasFP(const MachineFunction &MF) const {  in hasFP()
34   const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();  in hasFP()
36   const MachineFrameInfo &MFI = MF.getFrameInfo();  in hasFP()
37   return MF.getTarget().Options.DisableFramePointerElim(MF) ||  in hasFP()
38          RegInfo->hasStackRealignment(MF) || MFI.hasVarSizedObjects() ||  in hasFP()
42 bool LoongArchFrameLowering::hasBP(const MachineFunction &MF) const {  in hasBP()
43   const MachineFrameInfo &MFI = MF.getFrameInfo();  in hasBP()
46   return MFI.hasVarSizedObjects() && TRI->hasStackRealignment(MF);  in hasBP()
74 void LoongArchFrameLowering::determineFrameLayout(MachineFunction &MF) const {  in determineFrameLayout()
75   MachineFrameInfo &MFI = MF.getFrameInfo();  in determineFrameLayout()
87 void LoongArchFrameLowering::emitPrologue(MachineFunction &MF,  in emitPrologue()  argument
89   MachineFrameInfo &MFI = MF.getFrameInfo();  in emitPrologue()
102   determineFrameLayout(MF);  in emitPrologue()
115       MF.addFrameInst(MCCFIInstruction::cfiDefCfaOffset(nullptr, StackSize));  in emitPrologue()
132     unsigned CFIIndex = MF.addFrameInst(MCCFIInstruction::createOffset(  in emitPrologue()
140   if (hasFP(MF)) {  in emitPrologue()
144     unsigned CFIIndex = MF.addFrameInst(MCCFIInstruction::cfiDefCfa(  in emitPrologue()
152 void LoongArchFrameLowering::emitEpilogue(MachineFunction &MF,  in emitEpilogue()  argument
155   MachineFrameInfo &MFI = MF.getFrameInfo();  in emitEpilogue()
171   if (RI->hasStackRealignment(MF) || MFI.hasVarSizedObjects()) {  in emitEpilogue()
172     assert(hasFP(MF) && "frame pointer should not have been eliminated");  in emitEpilogue()
181 void LoongArchFrameLowering::determineCalleeSaves(MachineFunction &MF,  in determineCalleeSaves()  argument
184   TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS);  in determineCalleeSaves()
187   if (hasFP(MF)) {  in determineCalleeSaves()
192   if (hasBP(MF))  in determineCalleeSaves()
197     const MachineFunction &MF, int FI, Register &FrameReg) const {  in getFrameIndexReference()  argument
198   const MachineFrameInfo &MFI = MF.getFrameInfo();  in getFrameIndexReference()
199   const TargetRegisterInfo *RI = MF.getSubtarget().getRegisterInfo();  in getFrameIndexReference()
216   FrameReg = RI->getFrameRegister(MF);  in getFrameIndexReference()
217   if ((FI >= MinCSFI && FI <= MaxCSFI) || !hasFP(MF)) {  in getFrameIndexReference()