Lines Matching defs:MaskedBits

4591 /// Folds:   (MaskedBits is a constant.)
4592 ///   ((%x << MaskedBits) a>> MaskedBits) SrcPred %x
4595 /// Where  KeptBits = bitwidth(%x) - MaskedBits
4618   const APInt &MaskedBits = *C0;
4619   assert(MaskedBits != 0 && "shift by zero should be folded away already.");
4624     // ((%x << MaskedBits) a>> MaskedBits) == %x
4630     // ((%x << MaskedBits) a>> MaskedBits) != %x
4643   assert(BitWidth.ugt(MaskedBits) && "shifts should leave some bits untouched");
4645   // KeptBits = bitwidth(%x) - MaskedBits
4646   const APInt KeptBits = BitWidth - MaskedBits;