432 void llvm::narrowShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in narrowShuffleMaskElts()  argument
434   assert(Scale > 0 && "Unexpected scaling factor");  in narrowShuffleMaskElts()
437   if (Scale == 1) {  in narrowShuffleMaskElts()
445       assert(((uint64_t)Scale * MaskElt + (Scale - 1)) <= INT32_MAX &&  in narrowShuffleMaskElts()
448     for (int SliceElt = 0; SliceElt != Scale; ++SliceElt)  in narrowShuffleMaskElts()
449       ScaledMask.push_back(MaskElt < 0 ? MaskElt : Scale * MaskElt + SliceElt);  in narrowShuffleMaskElts()
453 bool llvm::widenShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in widenShuffleMaskElts()  argument
455   assert(Scale > 0 && "Unexpected scaling factor");  in widenShuffleMaskElts()
458   if (Scale == 1) {  in widenShuffleMaskElts()
465   if (NumElts % Scale != 0)  in widenShuffleMaskElts()
469   ScaledMask.reserve(NumElts / Scale);  in widenShuffleMaskElts()
473     ArrayRef<int> MaskSlice = Mask.take_front(Scale);  in widenShuffleMaskElts()
474     assert((int)MaskSlice.size() == Scale && "Expected Scale-sized slice.");  in widenShuffleMaskElts()
486       if (SliceFront % Scale != 0)  in widenShuffleMaskElts()
489       for (int i = 1; i < Scale; ++i)  in widenShuffleMaskElts()
492       ScaledMask.push_back(SliceFront / Scale);  in widenShuffleMaskElts()
494     Mask = Mask.drop_front(Scale);  in widenShuffleMaskElts()
497   assert((int)ScaledMask.size() * Scale == NumElts && "Unexpected scaled mask");  in widenShuffleMaskElts()