559 static bool isPreLdStPairCandidate(MachineInstr &FirstMI, MachineInstr &MI) {  in isPreLdStPairCandidate()  argument
561   unsigned OpcA = FirstMI.getOpcode();  in isPreLdStPairCandidate()
1280 static bool areCandidatesToMergeOrPair(MachineInstr &FirstMI, MachineInstr &MI,  in areCandidatesToMergeOrPair()  argument
1288   assert(!FirstMI.hasOrderedMemoryRef() &&  in areCandidatesToMergeOrPair()
1289          !TII->isLdStPairSuppressed(FirstMI) &&  in areCandidatesToMergeOrPair()
1292   unsigned OpcA = FirstMI.getOpcode();  in areCandidatesToMergeOrPair()
1297     return !AArch64InstrInfo::isPreLdSt(FirstMI);  in areCandidatesToMergeOrPair()
1323   if (isPreLdStPairCandidate(FirstMI, MI))  in areCandidatesToMergeOrPair()
1334 canRenameUpToDef(MachineInstr &FirstMI, LiveRegUnits &UsedInBetween,  in canRenameUpToDef()  argument
1337   if (!FirstMI.mayStore())  in canRenameUpToDef()
1342   auto *RegClass = TRI->getMinimalPhysRegClass(getLdStRegOp(FirstMI).getReg());  in canRenameUpToDef()
1343   MachineFunction &MF = *FirstMI.getParent()->getParent();  in canRenameUpToDef()
1347   auto RegToRename = getLdStRegOp(FirstMI).getReg();  in canRenameUpToDef()
1349   if (!getLdStRegOp(FirstMI).isKill() &&  in canRenameUpToDef()
1350       !any_of(FirstMI.operands(),  in canRenameUpToDef()
1356     LLVM_DEBUG(dbgs() << "  Operand not killed at " << FirstMI << "\n");  in canRenameUpToDef()
1446   if (!forAllMIsUntilDef(FirstMI, RegToRename, TRI, LdStLimit, CheckMIs))  in canRenameUpToDef()
1514   MachineInstr &FirstMI = *I;  in findMatchingInsn()  local
1517   bool MayLoad = FirstMI.mayLoad();  in findMatchingInsn()
1518   bool IsUnscaled = TII->hasUnscaledLdStOffset(FirstMI);  in findMatchingInsn()
1519   Register Reg = getLdStRegOp(FirstMI).getReg();  in findMatchingInsn()
1520   Register BaseReg = AArch64InstrInfo::getLdStBaseOp(FirstMI).getReg();  in findMatchingInsn()
1521   int Offset = AArch64InstrInfo::getLdStOffsetOp(FirstMI).getImm();  in findMatchingInsn()
1522   int OffsetStride = IsUnscaled ? TII->getMemScale(FirstMI) : 1;  in findMatchingInsn()
1523   bool IsPromotableZeroStore = isPromotableZeroStoreInst(FirstMI);  in findMatchingInsn()
1555     if (areCandidatesToMergeOrPair(FirstMI, MI, Flags, TII) &&  in findMatchingInsn()
1587       bool IsPreLdSt = isPreLdStPairCandidate(FirstMI, MI);  in findMatchingInsn()
1697               !UsedRegUnits.available(getLdStRegOp(FirstMI).getReg())) &&  in findMatchingInsn()
1698             !mayAlias(FirstMI, MemInsns, AA)) {  in findMatchingInsn()
1700           if (ModifiedRegUnits.available(getLdStRegOp(FirstMI).getReg())) {  in findMatchingInsn()
1708               MaybeCanRename = {canRenameUpToDef(FirstMI, UsedInBetween,  in findMatchingInsn()
1713                   *FirstMI.getParent()->getParent(), Reg, DefinedInBB,  in findMatchingInsn()