1137     if (SlotIndex::isEarlierInstr(OldIdx, NewIdx))  in updateRange()
1153     if (OldIdxIn == E || SlotIndex::isEarlierInstr(OldIdx, OldIdxIn->start))  in handleMoveDown()
1158     if (SlotIndex::isEarlierInstr(OldIdxIn->start, OldIdx)) {  in handleMoveDown()
1173           SlotIndex::isEarlierInstr(Next->start, NewIdx)) {  in handleMoveDown()
1180             !SlotIndex::isEarlierInstr(NewIdxIn->start, NewIdx)) {  in handleMoveDown()
1215     if (SlotIndex::isEarlierInstr(NewIdxDef, OldIdxOut->end)) {  in handleMoveDown()
1229         SlotIndex::isEarlierInstr(OldIdxOut->end, NewIdxDef)) {  in handleMoveDown()
1233           !SlotIndex::isEarlierInstr(std::prev(OldIdxOut)->end,  in handleMoveDown()
1275         if (SlotIndex::isEarlierInstr(Prev->start, NewIdxDef)) {  in handleMoveDown()
1327     if (OldIdxIn == E || SlotIndex::isEarlierInstr(OldIdx, OldIdxIn->start))  in handleMoveUp()
1332     if (SlotIndex::isEarlierInstr(OldIdxIn->start, OldIdx)) {  in handleMoveUp()
1387             SlotIndex::isEarlierInstr(NewIdxDef, OldIdxIn->start)) {  in handleMoveUp()
1397               SlotIndex::isEarlierInstr(NewIdx, Prev->end)) {  in handleMoveUp()
1421           if (SlotIndex::isEarlierInstr(Next->start, NewIdx)) {  in handleMoveUp()
1438           if (OldIdxIn != E && SlotIndex::isEarlierInstr(NewIdx, OldIdxIn->end))  in handleMoveUp()
1442           && SlotIndex::isEarlierInstr(NewIdxOut->start, NewIdx)  in handleMoveUp()
1443           && SlotIndex::isEarlierInstr(NewIdx, NewIdxOut->end)) {  in handleMoveUp()
1495             SlotIndex::isEarlierInstr(*std::prev(RI), *RI)) &&  in updateRegMaskSlots()
1498             SlotIndex::isEarlierInstr(*RI, *std::next(RI))) &&  in updateRegMaskSlots()
1545       if (!SlotIndex::isEarlierInstr(Before, Idx))  in findLastUseBefore()