1103     if (SlotIndex::isEarlierInstr(OldIdx, NewIdx))  in updateRange()
1119     if (OldIdxIn == E || SlotIndex::isEarlierInstr(OldIdx, OldIdxIn->start))  in handleMoveDown()
1124     if (SlotIndex::isEarlierInstr(OldIdxIn->start, OldIdx)) {  in handleMoveDown()
1139           SlotIndex::isEarlierInstr(Next->start, NewIdx)) {  in handleMoveDown()
1146             !SlotIndex::isEarlierInstr(NewIdxIn->start, NewIdx)) {  in handleMoveDown()
1181     if (SlotIndex::isEarlierInstr(NewIdxDef, OldIdxOut->end)) {  in handleMoveDown()
1195         SlotIndex::isEarlierInstr(OldIdxOut->end, NewIdxDef)) {  in handleMoveDown()
1199           !SlotIndex::isEarlierInstr(std::prev(OldIdxOut)->end,  in handleMoveDown()
1241         if (SlotIndex::isEarlierInstr(Prev->start, NewIdxDef)) {  in handleMoveDown()
1292     if (OldIdxIn == E || SlotIndex::isEarlierInstr(OldIdx, OldIdxIn->start))  in handleMoveUp()
1297     if (SlotIndex::isEarlierInstr(OldIdxIn->start, OldIdx)) {  in handleMoveUp()
1352             SlotIndex::isEarlierInstr(NewIdxDef, OldIdxIn->start)) {  in handleMoveUp()
1362               SlotIndex::isEarlierInstr(NewIdx, Prev->end)) {  in handleMoveUp()
1386           if (SlotIndex::isEarlierInstr(Next->start, NewIdx)) {  in handleMoveUp()
1403           if (OldIdxIn != E && SlotIndex::isEarlierInstr(NewIdx, OldIdxIn->end))  in handleMoveUp()
1407           && SlotIndex::isEarlierInstr(NewIdxOut->start, NewIdx)  in handleMoveUp()
1408           && SlotIndex::isEarlierInstr(NewIdx, NewIdxOut->end)) {  in handleMoveUp()
1460             SlotIndex::isEarlierInstr(*std::prev(RI), *RI)) &&  in updateRegMaskSlots()
1463             SlotIndex::isEarlierInstr(*RI, *std::next(RI))) &&  in updateRegMaskSlots()
1509       if (!SlotIndex::isEarlierInstr(Before, Idx))  in findLastUseBefore()