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()
92       *static_cast<const SparcInstrInfo *>(MF.getSubtarget().getInstrInfo());  in emitPrologue()
94       *static_cast<const SparcRegisterInfo *>(MF.getSubtarget().getRegisterInfo());  in emitPrologue()
99   bool NeedsStackRealignment = RegInfo.needsStackRealignment(MF);  in emitPrologue()
107     report_fatal_error("Function \"" + Twine(MF.getName()) + "\" required "  in emitPrologue()
139   if (MFI->adjustsStack() && hasReservedCallFrame(MF))  in emitPrologue()
144   NumBytes = MF.getSubtarget<SparcSubtarget>().getAdjustedFrameSize(NumBytes);  in emitPrologue()
155   emitSPAdjustment(MF, MBB, MBBI, -NumBytes, SAVErr, SAVEri);  in emitPrologue()
157   MachineModuleInfo &MMI = MF.getMMI();  in emitPrologue()
187 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,  in eliminateCallFramePseudoInstr()  argument
189   if (!hasReservedCallFrame(MF)) {  in eliminateCallFramePseudoInstr()
196       emitSPAdjustment(MF, MBB, I, Size, SP::ADDrr, SP::ADDri);  in eliminateCallFramePseudoInstr()
202 void SparcFrameLowering::emitEpilogue(MachineFunction &MF,  in emitEpilogue()  argument
204   SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in emitEpilogue()
207       *static_cast<const SparcInstrInfo *>(MF.getSubtarget().getInstrInfo());  in emitEpilogue()
216   MachineFrameInfo *MFI = MF.getFrameInfo();  in emitEpilogue()
222   emitSPAdjustment(MF, MBB, MBBI, NumBytes, SP::ADDrr, SP::ADDri);  in emitEpilogue()
225 bool SparcFrameLowering::hasReservedCallFrame(const MachineFunction &MF) const {  in hasReservedCallFrame()
227   return !MF.getFrameInfo()->hasVarSizedObjects();  in hasReservedCallFrame()
233 bool SparcFrameLowering::hasFP(const MachineFunction &MF) const {  in hasFP()
234   const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();  in hasFP()
236   const MachineFrameInfo *MFI = MF.getFrameInfo();  in hasFP()
237   return MF.getTarget().Options.DisableFramePointerElim(MF) ||  in hasFP()
238       RegInfo->needsStackRealignment(MF) ||  in hasFP()
244 int SparcFrameLowering::getFrameIndexReference(const MachineFunction &MF, int FI,  in getFrameIndexReference()  argument
246   const SparcSubtarget &Subtarget = MF.getSubtarget<SparcSubtarget>();  in getFrameIndexReference()
247   const MachineFrameInfo *MFI = MF.getFrameInfo();  in getFrameIndexReference()
249   const SparcMachineFunctionInfo *FuncInfo = MF.getInfo<SparcMachineFunctionInfo>();  in getFrameIndexReference()
266   } else if (RegInfo->needsStackRealignment(MF)) {  in getFrameIndexReference()
276   int64_t FrameOffset = MF.getFrameInfo()->getObjectOffset(FI) +  in getFrameIndexReference()
280     FrameReg = RegInfo->getFrameRegister(MF);  in getFrameIndexReference()
284     return FrameOffset + MF.getFrameInfo()->getStackSize();  in getFrameIndexReference()
302 bool SparcFrameLowering::isLeafProc(MachineFunction &MF) const  in isLeafProc()
305   MachineRegisterInfo &MRI = MF.getRegInfo();  in isLeafProc()
306   MachineFrameInfo    *MFI = MF.getFrameInfo();  in isLeafProc()
311            || hasFP(MF));                  // need %FP  in isLeafProc()
314 void SparcFrameLowering::remapRegsForLeafProc(MachineFunction &MF) const {  in remapRegsForLeafProc()
315   MachineRegisterInfo &MRI = MF.getRegInfo();  in remapRegsForLeafProc()
336   for (MachineFunction::iterator MBB = MF.begin(), E = MF.end();  in remapRegsForLeafProc()
354   MF.verify(0, "After LeafProc Remapping");  in remapRegsForLeafProc()
358 void SparcFrameLowering::determineCalleeSaves(MachineFunction &MF,  in determineCalleeSaves()  argument
361   TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS);  in determineCalleeSaves()
362   if (!DisableLeafProc && isLeafProc(MF)) {  in determineCalleeSaves()
363     SparcMachineFunctionInfo *MFI = MF.getInfo<SparcMachineFunctionInfo>();  in determineCalleeSaves()
366     remapRegsForLeafProc(MF);  in determineCalleeSaves()