Lines Matching defs:Scale

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