490       auto &&CombineMasks = [](MutableArrayRef<int> FirstMask,  in processShuffleMasks()
492         for (int Idx = 0, VF = FirstMask.size(); Idx < VF; ++Idx) {  in processShuffleMasks()
494             assert(FirstMask[Idx] == PoisonMaskElem &&  in processShuffleMasks()
496             FirstMask[Idx] = SecondMask[Idx] + VF;  in processShuffleMasks()
510         MutableArrayRef<int> FirstMask, SecondMask;  in processShuffleMasks()  argument
518             FirstMask = RegMask;  in processShuffleMasks()
523           CombineMasks(FirstMask, SecondMask);  in processShuffleMasks()
524           ManyInputsAction(FirstMask, FirstIdx, SecondIdx);  in processShuffleMasks()
525           NormalizeMask(FirstMask);  in processShuffleMasks()
527           SecondMask = FirstMask;  in processShuffleMasks()
531           CombineMasks(SecondMask, FirstMask);  in processShuffleMasks()