234       BI.FirstInstr = *UseI;  in calcLiveBlockInfo()
235       assert(BI.FirstInstr >= Start);  in calcLiveBlockInfo()
247         assert(LVI->start == BI.FirstInstr && "First instr should be a def");  in calcLiveBlockInfo()
248         BI.FirstDef = BI.FirstInstr;  in calcLiveBlockInfo()
274           BI.FirstInstr = BI.FirstDef = LVI->start;  in calcLiveBlockInfo()
1601   MachineInstr *MI = LIS.getInstructionFromIndex(BI.FirstInstr);  in shouldSplitSingleBlock()
1606   return isOriginalEndpoint(BI.FirstInstr);  in shouldSplitSingleBlock()
1612   SlotIndex SegStart = enterIntvBefore(std::min(BI.FirstInstr,  in splitSingleBlock()
1744                     << Stop << "), uses " << BI.FirstInstr << '-'  in splitRegInBlock()
1837                     << Stop << "), uses " << BI.FirstInstr << '-'  in splitRegOutBlock()
1848   if (!BI.LiveIn && (!EnterAfter || EnterAfter <= BI.FirstInstr)) {  in splitRegOutBlock()
1856     useIntv(BI.FirstInstr, Stop);  in splitRegOutBlock()
1860   if (!EnterAfter || EnterAfter < BI.FirstInstr.getBaseIndex()) {  in splitRegOutBlock()
1868     SlotIndex Idx = enterIntvBefore(std::min(LSP, BI.FirstInstr));  in splitRegOutBlock()
1889   SlotIndex From = enterIntvBefore(std::min(Idx, BI.FirstInstr));  in splitRegOutBlock()
1895      << "uses " << FirstInstr << " to " << LastInstr << ", "  in print()