349 void llvm::narrowShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in narrowShuffleMaskElts()  argument
351   assert(Scale > 0 && "Unexpected scaling factor");  in narrowShuffleMaskElts()
354   if (Scale == 1) {  in narrowShuffleMaskElts()
362       assert(((uint64_t)Scale * MaskElt + (Scale - 1)) <= INT32_MAX &&  in narrowShuffleMaskElts()
365     for (int SliceElt = 0; SliceElt != Scale; ++SliceElt)  in narrowShuffleMaskElts()
366       ScaledMask.push_back(MaskElt < 0 ? MaskElt : Scale * MaskElt + SliceElt);  in narrowShuffleMaskElts()
370 bool llvm::widenShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in widenShuffleMaskElts()  argument
372   assert(Scale > 0 && "Unexpected scaling factor");  in widenShuffleMaskElts()
375   if (Scale == 1) {  in widenShuffleMaskElts()
382   if (NumElts % Scale != 0)  in widenShuffleMaskElts()
386   ScaledMask.reserve(NumElts / Scale);  in widenShuffleMaskElts()
390     ArrayRef<int> MaskSlice = Mask.take_front(Scale);  in widenShuffleMaskElts()
391     assert((int)MaskSlice.size() == Scale && "Expected Scale-sized slice.");  in widenShuffleMaskElts()
403       if (SliceFront % Scale != 0)  in widenShuffleMaskElts()
406       for (int i = 1; i < Scale; ++i)  in widenShuffleMaskElts()
409       ScaledMask.push_back(SliceFront / Scale);  in widenShuffleMaskElts()
411     Mask = Mask.drop_front(Scale);  in widenShuffleMaskElts()
414   assert((int)ScaledMask.size() * Scale == NumElts && "Unexpected scaled mask");  in widenShuffleMaskElts()
437     int Scale = NumSrcElts / NumDstElts;  in scaleShuffleMaskElts()  local
438     return widenShuffleMaskElts(Scale, Mask, ScaledMask);  in scaleShuffleMaskElts()
441   int Scale = NumDstElts / NumSrcElts;  in scaleShuffleMaskElts()  local
442   narrowShuffleMaskElts(Scale, Mask, ScaledMask);  in scaleShuffleMaskElts()
451   for (unsigned Scale = 2; Scale <= InputMask.size(); ++Scale) {  in getShuffleMaskWithWidestElts()  local
452     while (widenShuffleMaskElts(Scale, InputMask, *Output)) {  in getShuffleMaskWithWidestElts()