Lines Matching defs:MaskedBits

4413 /// Folds:   (MaskedBits is a constant.)
4414 ///   ((%x << MaskedBits) a>> MaskedBits) SrcPred %x
4417 /// Where  KeptBits = bitwidth(%x) - MaskedBits
4440   const APInt &MaskedBits = *C0;
4441   assert(MaskedBits != 0 && "shift by zero should be folded away already.");
4446     // ((%x << MaskedBits) a>> MaskedBits) == %x
4452     // ((%x << MaskedBits) a>> MaskedBits) != %x
4465   assert(BitWidth.ugt(MaskedBits) && "shifts should leave some bits untouched");
4467   // KeptBits = bitwidth(%x) - MaskedBits
4468   const APInt KeptBits = BitWidth - MaskedBits;