Lines Matching refs:NLZ
478 unsigned NLZ = DemandedMask.countLeadingZeros();
489 // input. Otherwise, we demand all the input bits except NLZ top bits.
490 APInt InDemandedBits(APInt::getLowBitsSet(BitWidth, BitWidth - NLZ));
542 APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));
558 uint32_t NLZ = DemandedMask.countLeadingZeros();
559 APInt DemandedFromOps(APInt::getLowBitsSet(BitWidth, BitWidth-NLZ));
757 unsigned NLZ = DemandedMask.countLeadingZeros();
761 // we need all the bits down to bit 8. Likewise, round NLZ. If we
763 NLZ &= ~7;
766 if (BitWidth-NLZ-NTZ == 8) {