Lines Matching defs:FirstMI
1013 MachineInstr *FirstMI = I;
1014 unsigned BaseReg = getLdStBaseOp(FirstMI).getReg();
1036 if (MI->mayStore() && isMatchingStore(FirstMI, MI) &&
1038 isLdOffsetInRangeOfSt(FirstMI, MI) &&
1056 if (MI->mayStore() && mayAlias(FirstMI, MI, TII))
1069 MachineInstr *FirstMI = I;
1072 unsigned Opc = FirstMI->getOpcode();
1073 bool MayLoad = FirstMI->mayLoad();
1074 bool IsUnscaled = isUnscaledLdSt(FirstMI);
1075 unsigned Reg = getLdStRegOp(FirstMI).getReg();
1076 unsigned BaseReg = getLdStBaseOp(FirstMI).getReg();
1077 int Offset = getLdStOffsetOp(FirstMI).getImm();
1086 if (FirstMI->modifiesRegister(BaseReg, TRI))
1092 int OffsetStride = IsUnscaled ? getMemScale(FirstMI) : 1;
1103 // Remember any instructions that read/write memory between FirstMI and MI.
1207 if (!ModifiedRegs[getLdStRegOp(FirstMI).getReg()] &&
1208 !(MayLoad && UsedRegs[getLdStRegOp(FirstMI).getReg()]) &&
1209 !mayAlias(FirstMI, MemInsns, TII)) {