1123 void LiveRangeUpdater::add(LiveRange::Segment Seg) {  in add()  argument
1129     LR->addSegmentToSet(Seg);  in add()
1134   if (!LastStart.isValid() || LastStart > Seg.start) {  in add()
1143   LastStart = Seg.start;  in add()
1147   if (ReadI != E && ReadI->end <= Seg.start) {  in add()
1153       ReadI = WriteI = LR->find(Seg.start);  in add()
1155       while (ReadI != E && ReadI->end <= Seg.start)  in add()
1159   assert(ReadI == E || ReadI->end > Seg.start);  in add()
1162   if (ReadI != E && ReadI->start <= Seg.start) {  in add()
1163     assert(ReadI->valno == Seg.valno && "Cannot overlap different values");  in add()
1165     if (ReadI->end >= Seg.end)  in add()
1168     Seg.start = ReadI->start;  in add()
1173   while (ReadI != E && coalescable(Seg, *ReadI)) {  in add()
1174     Seg.end = std::max(Seg.end, ReadI->end);  in add()
1179   if (!Spills.empty() && coalescable(Spills.back(), Seg)) {  in add()
1180     Seg.start = Spills.back().start;  in add()
1181     Seg.end = std::max(Spills.back().end, Seg.end);  in add()
1186   if (WriteI != LR->begin() && coalescable(WriteI[-1], Seg)) {  in add()
1187     WriteI[-1].end = std::max(WriteI[-1].end, Seg.end);  in add()
1193     *WriteI++ = Seg;  in add()
1199     LR->segments.push_back(Seg);  in add()
1202     Spills.push_back(Seg);  in add()