421 void llvm::narrowShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in narrowShuffleMaskElts()  argument
423   assert(Scale > 0 && "Unexpected scaling factor");  in narrowShuffleMaskElts()
426   if (Scale == 1) {  in narrowShuffleMaskElts()
434       assert(((uint64_t)Scale * MaskElt + (Scale - 1)) <= INT32_MAX &&  in narrowShuffleMaskElts()
437     for (int SliceElt = 0; SliceElt != Scale; ++SliceElt)  in narrowShuffleMaskElts()
438       ScaledMask.push_back(MaskElt < 0 ? MaskElt : Scale * MaskElt + SliceElt);  in narrowShuffleMaskElts()
442 bool llvm::widenShuffleMaskElts(int Scale, ArrayRef<int> Mask,  in widenShuffleMaskElts()  argument
444   assert(Scale > 0 && "Unexpected scaling factor");  in widenShuffleMaskElts()
447   if (Scale == 1) {  in widenShuffleMaskElts()
454   if (NumElts % Scale != 0)  in widenShuffleMaskElts()
458   ScaledMask.reserve(NumElts / Scale);  in widenShuffleMaskElts()
462     ArrayRef<int> MaskSlice = Mask.take_front(Scale);  in widenShuffleMaskElts()
463     assert((int)MaskSlice.size() == Scale && "Expected Scale-sized slice.");  in widenShuffleMaskElts()
475       if (SliceFront % Scale != 0)  in widenShuffleMaskElts()
478       for (int i = 1; i < Scale; ++i)  in widenShuffleMaskElts()
481       ScaledMask.push_back(SliceFront / Scale);  in widenShuffleMaskElts()
483     Mask = Mask.drop_front(Scale);  in widenShuffleMaskElts()
486   assert((int)ScaledMask.size() * Scale == NumElts && "Unexpected scaled mask");  in widenShuffleMaskElts()