3391   SmallVector<int> MaskOrder;  in reorderOrder()  local
3393     MaskOrder.resize(Mask.size());  in reorderOrder()
3394     std::iota(MaskOrder.begin(), MaskOrder.end(), 0);  in reorderOrder()
3396     inversePermutation(Order, MaskOrder);  in reorderOrder()
3398   reorderReuses(MaskOrder, Mask);  in reorderOrder()
3399   if (ShuffleVectorInst::isIdentityMask(MaskOrder)) {  in reorderOrder()
3405     if (MaskOrder[I] != UndefMaskElem)  in reorderOrder()
3406       Order[MaskOrder[I]] = I;  in reorderOrder()
3866     SmallVector<int> MaskOrder(BestOrder.size(), UndefMaskElem);  in reorderTopToBottom()  local
3868     transform(BestOrder, MaskOrder.begin(), [E](unsigned I) {  in reorderTopToBottom()
3912         reorderOrder(CurrentOrder, MaskOrder);  in reorderTopToBottom()
4158       SmallVector<int> MaskOrder(BestOrder.size(), UndefMaskElem);  in reorderBottomToTop()  local
4160       transform(BestOrder, MaskOrder.begin(), [E](unsigned I) {  in reorderBottomToTop()
4205         reorderOrder(Data.first->ReorderIndices, MaskOrder);  in reorderBottomToTop()