347 void llvm::narrowShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in narrowShuffleMaskElts()  argument
349   assert(Scale > 0 && "Unexpected scaling factor");  in narrowShuffleMaskElts()
352   if (Scale == 1) {  in narrowShuffleMaskElts()
360       assert(((uint64_t)Scale * MaskElt + (Scale - 1)) <= INT32_MAX &&  in narrowShuffleMaskElts()
363     for (int SliceElt = 0; SliceElt != Scale; ++SliceElt)  in narrowShuffleMaskElts()
364       ScaledMask.push_back(MaskElt < 0 ? MaskElt : Scale * MaskElt + SliceElt);  in narrowShuffleMaskElts()
368 bool llvm::widenShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in widenShuffleMaskElts()  argument
370   assert(Scale > 0 && "Unexpected scaling factor");  in widenShuffleMaskElts()
373   if (Scale == 1) {  in widenShuffleMaskElts()
380   if (NumElts % Scale != 0)  in widenShuffleMaskElts()
384   ScaledMask.reserve(NumElts / Scale);  in widenShuffleMaskElts()
388     ArrayRef<int> MaskSlice = Mask.take_front(Scale);  in widenShuffleMaskElts()
389     assert((int)MaskSlice.size() == Scale && "Expected Scale-sized slice.");  in widenShuffleMaskElts()
401       if (SliceFront % Scale != 0)  in widenShuffleMaskElts()
404       for (int i = 1; i < Scale; ++i)  in widenShuffleMaskElts()
407       ScaledMask.push_back(SliceFront / Scale);  in widenShuffleMaskElts()
409     Mask = Mask.drop_front(Scale);  in widenShuffleMaskElts()
412   assert((int)ScaledMask.size() * Scale == NumElts && "Unexpected scaled mask");  in widenShuffleMaskElts()
424   for (unsigned Scale = 2; Scale <= InputMask.size(); ++Scale) {  in getShuffleMaskWithWidestElts()  local
425     while (widenShuffleMaskElts(Scale, InputMask, *Output)) {  in getShuffleMaskWithWidestElts()