Lines Matching defs:Scale

410 void llvm::narrowShuffleMaskElts(int Scale, ArrayRef<int> Mask,
412   assert(Scale > 0 && "Unexpected scaling factor");
415   if (Scale == 1) {
423       assert(((uint64_t)Scale * MaskElt + (Scale - 1)) <= INT32_MAX &&
426     for (int SliceElt = 0; SliceElt != Scale; ++SliceElt)
427       ScaledMask.push_back(MaskElt < 0 ? MaskElt : Scale * MaskElt + SliceElt);
431 bool llvm::widenShuffleMaskElts(int Scale, ArrayRef<int> Mask,
433   assert(Scale > 0 && "Unexpected scaling factor");
436   if (Scale == 1) {
443   if (NumElts % Scale != 0)
447   ScaledMask.reserve(NumElts / Scale);
449   // Step through the input mask by splitting into Scale-sized slices.
451     ArrayRef<int> MaskSlice = Mask.take_front(Scale);
452     assert((int)MaskSlice.size() == Scale && "Expected Scale-sized slice.");
464       if (SliceFront % Scale != 0)
467       for (int i = 1; i < Scale; ++i)
470       ScaledMask.push_back(SliceFront / Scale);
472     Mask = Mask.drop_front(Scale);
475   assert((int)ScaledMask.size() * Scale == NumElts && "Unexpected scaled mask");
533     int Scale = NumSrcElts / NumDstElts;
534     return widenShuffleMaskElts(Scale, Mask, ScaledMask);
537   int Scale = NumDstElts / NumSrcElts;
538   narrowShuffleMaskElts(Scale, Mask, ScaledMask);
547   for (unsigned Scale = 2; Scale <= InputMask.size(); ++Scale) {
548     while (widenShuffleMaskElts(Scale, InputMask, *Output)) {