40 void SparcFrameLowering::emitSPAdjustment(MachineFunction &MF,  in emitSPAdjustment()  argument
49       *static_cast<const SparcInstrInfo *>(MF.getSubtarget().getInstrInfo());  in emitSPAdjustment()
85 void SparcFrameLowering::emitPrologue(MachineFunction &MF,  in emitPrologue()  argument
87   SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in emitPrologue()
89   assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");  in emitPrologue()
90   MachineFrameInfo &MFI = MF.getFrameInfo();  in emitPrologue()
91   const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();  in emitPrologue()
100   bool NeedsStackRealignment = RegInfo.shouldRealignStack(MF);  in emitPrologue()
102   if (NeedsStackRealignment && !RegInfo.canRealignStack(MF))  in emitPrologue()
103     report_fatal_error("Function \"" + Twine(MF.getName()) + "\" required "  in emitPrologue()
135   if (MFI.adjustsStack() && hasReservedCallFrame(MF))  in emitPrologue()
149   emitSPAdjustment(MF, MBB, MBBI, -NumBytes, SAVErr, SAVEri);  in emitPrologue()
155       MF.addFrameInst(MCCFIInstruction::createDefCfaRegister(nullptr, regFP));  in emitPrologue()
160   CFIIndex = MF.addFrameInst(MCCFIInstruction::createWindowSave(nullptr));  in emitPrologue()
167   CFIIndex = MF.addFrameInst(  in emitPrologue()
199 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,  in eliminateCallFramePseudoInstr()  argument
201   if (!hasReservedCallFrame(MF)) {  in eliminateCallFramePseudoInstr()
208       emitSPAdjustment(MF, MBB, I, Size, SP::ADDrr, SP::ADDri);  in eliminateCallFramePseudoInstr()
214 void SparcFrameLowering::emitEpilogue(MachineFunction &MF,  in emitEpilogue()  argument
216   SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in emitEpilogue()
219       *static_cast<const SparcInstrInfo *>(MF.getSubtarget().getInstrInfo());  in emitEpilogue()
229   MachineFrameInfo &MFI = MF.getFrameInfo();  in emitEpilogue()
233     emitSPAdjustment(MF, MBB, MBBI, NumBytes, SP::ADDrr, SP::ADDri);  in emitEpilogue()
247 bool SparcFrameLowering::hasReservedCallFrame(const MachineFunction &MF) const {  in hasReservedCallFrame()
249   return !MF.getFrameInfo().hasVarSizedObjects();  in hasReservedCallFrame()
255 bool SparcFrameLowering::hasFP(const MachineFunction &MF) const {  in hasFP()
256   const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();  in hasFP()
258   const MachineFrameInfo &MFI = MF.getFrameInfo();  in hasFP()
259   return MF.getTarget().Options.DisableFramePointerElim(MF) ||  in hasFP()
260          RegInfo->hasStackRealignment(MF) || MFI.hasVarSizedObjects() ||  in hasFP()
265 SparcFrameLowering::getFrameIndexReference(const MachineFunction &MF, int FI,  in getFrameIndexReference()  argument
267   const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();  in getFrameIndexReference()
268   const MachineFrameInfo &MFI = MF.getFrameInfo();  in getFrameIndexReference()
270   const SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in getFrameIndexReference()
287   } else if (RegInfo->hasStackRealignment(MF)) {  in getFrameIndexReference()
297   int64_t FrameOffset = MF.getFrameInfo().getObjectOffset(FI) +  in getFrameIndexReference()
301     FrameReg = RegInfo->getFrameRegister(MF);  in getFrameIndexReference()
305     return StackOffset::getFixed(FrameOffset + MF.getFrameInfo().getStackSize());  in getFrameIndexReference()
323 bool SparcFrameLowering::isLeafProc(MachineFunction &MF) const  in isLeafProc()
326   MachineRegisterInfo &MRI = MF.getRegInfo();  in isLeafProc()
327   MachineFrameInfo    &MFI = MF.getFrameInfo();  in isLeafProc()
332            || hasFP(MF)                 // need %fp  in isLeafProc()
333            || MF.hasInlineAsm());       // has inline assembly  in isLeafProc()
336 void SparcFrameLowering::remapRegsForLeafProc(MachineFunction &MF) const {  in remapRegsForLeafProc()
337   MachineRegisterInfo &MRI = MF.getRegInfo();  in remapRegsForLeafProc()
357   for (MachineBasicBlock &MBB : MF) {  in remapRegsForLeafProc()
374   MF.verify(0, "After LeafProc Remapping");  in remapRegsForLeafProc()
378 void SparcFrameLowering::determineCalleeSaves(MachineFunction &MF,  in determineCalleeSaves()  argument
381   TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS);  in determineCalleeSaves()
382   if (!DisableLeafProc && isLeafProc(MF)) {  in determineCalleeSaves()
383     SparcMachineFunctionInfo *MFI = MF.getInfo<SparcMachineFunctionInfo>();  in determineCalleeSaves()
386     remapRegsForLeafProc(MF);  in determineCalleeSaves()