57   bool runOnMBB(MachineBasicBlock &MBB);
58   bool runOnMI(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
64   bool lowerProlog(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
69   bool lowerEpilog(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
190   MachineBasicBlock *MBB = MF.CreateMachineBasicBlock();  in createFrameHelperMachineFunction()  local
191   MF.insert(MF.begin(), MBB);  in createFrameHelperMachineFunction()
197 static void emitStore(MachineFunction &MF, MachineBasicBlock &MBB,  in emitStore()  argument
209   MachineInstrBuilder MIB = BuildMI(MBB, Pos, DebugLoc(), TII.get(Opc));  in emitStore()
220 static void emitLoad(MachineFunction &MF, MachineBasicBlock &MBB,  in emitLoad()  argument
232   MachineInstrBuilder MIB = BuildMI(MBB, Pos, DebugLoc(), TII.get(Opc));  in emitLoad()
283   MachineBasicBlock &MBB = *MF.begin();  in getOrCreateFrameHelper()  local
299       emitStore(MF, MBB, MBB.end(), TII, Regs[Size - 2], Regs[Size - 1],  in getOrCreateFrameHelper()
308       emitStore(MF, MBB, MBB.end(), TII, Regs[I - 1], Regs[I], Size - I - 1,  in getOrCreateFrameHelper()
312       BuildMI(MBB, MBB.end(), DebugLoc(), TII.get(AArch64::ADDXri))  in getOrCreateFrameHelper()
319     BuildMI(MBB, MBB.end(), DebugLoc(), TII.get(AArch64::RET))  in getOrCreateFrameHelper()
327       BuildMI(MBB, MBB.end(), DebugLoc(), TII.get(AArch64::ORRXrs))  in getOrCreateFrameHelper()
334       emitLoad(MF, MBB, MBB.end(), TII, Regs[I], Regs[I + 1], Size - I - 2,  in getOrCreateFrameHelper()
337     emitLoad(MF, MBB, MBB.end(), TII, Regs[Size - 2], Regs[Size - 1], Size,  in getOrCreateFrameHelper()
340     BuildMI(MBB, MBB.end(), DebugLoc(), TII.get(AArch64::RET))  in getOrCreateFrameHelper()
355 static bool shouldUseFrameHelper(MachineBasicBlock &MBB,  in shouldUseFrameHelper()  argument
359   const auto *TRI = MBB.getParent()->getSubtarget().getRegisterInfo();  in shouldUseFrameHelper()
381     for (auto NextMI = NextMBBI; NextMI != MBB.end(); NextMI++) {  in shouldUseFrameHelper()
386     for (const MachineBasicBlock *SuccMBB : MBB.successors()) {  in shouldUseFrameHelper()
394     if (NextMBBI == MBB.end())  in shouldUseFrameHelper()
429     MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,  in lowerEpilog()  argument
431   auto &MF = *MBB.getParent();  in lowerEpilog()
447   if (shouldUseFrameHelper(MBB, NextMBBI, Regs, FrameHelperType::EpilogTail)) {  in lowerEpilog()
451     BuildMI(MBB, MBBI, DL, TII->get(AArch64::TCRETURNdi))  in lowerEpilog()
459   } else if (shouldUseFrameHelper(MBB, NextMBBI, Regs,  in lowerEpilog()
464     BuildMI(MBB, MBBI, DL, TII->get(AArch64::BL))  in lowerEpilog()
471       emitLoad(MF, MBB, MBBI, *TII, Regs[I], Regs[I + 1], Size - I - 2, false);  in lowerEpilog()
473     emitLoad(MF, MBB, MBBI, *TII, Regs[Size - 2], Regs[Size - 1], Size, true);  in lowerEpilog()
503     MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,  in lowerProlog()  argument
505   auto &MF = *MBB.getParent();  in lowerProlog()
529       shouldUseFrameHelper(MBB, NextMBBI, Regs, FrameHelperType::PrologFrame)) {  in lowerProlog()
531     emitStore(MF, MBB, MBBI, *TII, AArch64::LR, AArch64::FP, -LRIdx - 2, true);  in lowerProlog()
534     BuildMI(MBB, MBBI, DL, TII->get(AArch64::BL))  in lowerProlog()
540   } else if (!FpOffset && shouldUseFrameHelper(MBB, NextMBBI, Regs,  in lowerProlog()
543     emitStore(MF, MBB, MBBI, *TII, AArch64::LR, AArch64::FP, -LRIdx - 2, true);  in lowerProlog()
546     BuildMI(MBB, MBBI, DL, TII->get(AArch64::BL))  in lowerProlog()
552     emitStore(MF, MBB, MBBI, *TII, Regs[Size - 2], Regs[Size - 1], -Size, true);  in lowerProlog()
554       emitStore(MF, MBB, MBBI, *TII, Regs[I - 1], Regs[I], Size - I - 1, false);  in lowerProlog()
556       BuildMI(MBB, MBBI, DL, TII->get(AArch64::ADDXri))  in lowerProlog()
574 bool AArch64LowerHomogeneousPE::runOnMI(MachineBasicBlock &MBB,  in runOnMI()  argument
583     return lowerProlog(MBB, MBBI, NextMBBI);  in runOnMI()
585     return lowerEpilog(MBB, MBBI, NextMBBI);  in runOnMI()
590 bool AArch64LowerHomogeneousPE::runOnMBB(MachineBasicBlock &MBB) {  in runOnMBB()  argument
593   MachineBasicBlock::iterator MBBI = MBB.begin(), E = MBB.end();  in runOnMBB()
596     Modified |= runOnMI(MBB, MBBI, NMBBI);  in runOnMBB()
607   for (auto &MBB : MF)  in runOnMachineFunction()  local
608     Modified |= runOnMBB(MBB);  in runOnMachineFunction()