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.needsStackRealignment(MF);  in emitPrologue()
108     report_fatal_error("Function \"" + Twine(MF.getName()) + "\" required "  in emitPrologue()
140   if (MFI.adjustsStack() && hasReservedCallFrame(MF))  in emitPrologue()
156   emitSPAdjustment(MF, MBB, MBBI, -NumBytes, SAVErr, SAVEri);  in emitPrologue()
162       MF.addFrameInst(MCCFIInstruction::createDefCfaRegister(nullptr, regFP));  in emitPrologue()
167   CFIIndex = MF.addFrameInst(MCCFIInstruction::createWindowSave(nullptr));  in emitPrologue()
174   CFIIndex = MF.addFrameInst(  in emitPrologue()
205 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,  in eliminateCallFramePseudoInstr()  argument
207   if (!hasReservedCallFrame(MF)) {  in eliminateCallFramePseudoInstr()
214       emitSPAdjustment(MF, MBB, I, Size, SP::ADDrr, SP::ADDri);  in eliminateCallFramePseudoInstr()
220 void SparcFrameLowering::emitEpilogue(MachineFunction &MF,  in emitEpilogue()  argument
222   SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in emitEpilogue()
225       *static_cast<const SparcInstrInfo *>(MF.getSubtarget().getInstrInfo());  in emitEpilogue()
234   MachineFrameInfo &MFI = MF.getFrameInfo();  in emitEpilogue()
240   emitSPAdjustment(MF, MBB, MBBI, NumBytes, SP::ADDrr, SP::ADDri);  in emitEpilogue()
243 bool SparcFrameLowering::hasReservedCallFrame(const MachineFunction &MF) const {  in hasReservedCallFrame()
245   return !MF.getFrameInfo().hasVarSizedObjects();  in hasReservedCallFrame()
251 bool SparcFrameLowering::hasFP(const MachineFunction &MF) const {  in hasFP()
252   const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();  in hasFP()
254   const MachineFrameInfo &MFI = MF.getFrameInfo();  in hasFP()
255   return MF.getTarget().Options.DisableFramePointerElim(MF) ||  in hasFP()
256       RegInfo->needsStackRealignment(MF) ||  in hasFP()
262 int SparcFrameLowering::getFrameIndexReference(const MachineFunction &MF, int FI,  in getFrameIndexReference()  argument
264   const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();  in getFrameIndexReference()
265   const MachineFrameInfo &MFI = MF.getFrameInfo();  in getFrameIndexReference()
267   const SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in getFrameIndexReference()
284   } else if (RegInfo->needsStackRealignment(MF)) {  in getFrameIndexReference()
294   int64_t FrameOffset = MF.getFrameInfo().getObjectOffset(FI) +  in getFrameIndexReference()
298     FrameReg = RegInfo->getFrameRegister(MF);  in getFrameIndexReference()
302     return FrameOffset + MF.getFrameInfo().getStackSize();  in getFrameIndexReference()
320 bool SparcFrameLowering::isLeafProc(MachineFunction &MF) const  in isLeafProc()
323   MachineRegisterInfo &MRI = MF.getRegInfo();  in isLeafProc()
324   MachineFrameInfo    &MFI = MF.getFrameInfo();  in isLeafProc()
329            || hasFP(MF));                  // need %fp  in isLeafProc()
332 void SparcFrameLowering::remapRegsForLeafProc(MachineFunction &MF) const {  in remapRegsForLeafProc()
333   MachineRegisterInfo &MRI = MF.getRegInfo();  in remapRegsForLeafProc()
353   for (MachineFunction::iterator MBB = MF.begin(), E = MF.end();  in remapRegsForLeafProc()
371   MF.verify(0, "After LeafProc Remapping");  in remapRegsForLeafProc()
375 void SparcFrameLowering::determineCalleeSaves(MachineFunction &MF,  in determineCalleeSaves()  argument
378   TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS);  in determineCalleeSaves()
379   if (!DisableLeafProc && isLeafProc(MF)) {  in determineCalleeSaves()
380     SparcMachineFunctionInfo *MFI = MF.getInfo<SparcMachineFunctionInfo>();  in determineCalleeSaves()
383     remapRegsForLeafProc(MF);  in determineCalleeSaves()