94       APInt KnownZero2(BitWidth, 0), KnownOne2(BitWidth, 0);  in ComputeMaskedBits()  local
95       ComputeMaskedBits(CV->getOperand(i), Mask, KnownZero2, KnownOne2,  in ComputeMaskedBits()
98       KnownOne &= KnownOne2;  in ComputeMaskedBits()
153   APInt KnownZero2(KnownZero), KnownOne2(KnownOne);  in ComputeMaskedBits()  local
160     ComputeMaskedBits(I->getOperand(0), Mask2, KnownZero2, KnownOne2, TD,  in ComputeMaskedBits()
163     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");   in ComputeMaskedBits()
166     KnownOne &= KnownOne2;  in ComputeMaskedBits()
174     ComputeMaskedBits(I->getOperand(0), Mask2, KnownZero2, KnownOne2, TD,  in ComputeMaskedBits()
177     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");   in ComputeMaskedBits()
182     KnownOne |= KnownOne2;  in ComputeMaskedBits()
187     ComputeMaskedBits(I->getOperand(0), Mask, KnownZero2, KnownOne2, TD,  in ComputeMaskedBits()
190     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");   in ComputeMaskedBits()
193     APInt KnownZeroOut = (KnownZero & KnownZero2) | (KnownOne & KnownOne2);  in ComputeMaskedBits()
195     KnownOne = (KnownZero & KnownOne2) | (KnownOne & KnownZero2);  in ComputeMaskedBits()
202     ComputeMaskedBits(I->getOperand(0), Mask2, KnownZero2, KnownOne2, TD,  in ComputeMaskedBits()
205     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");   in ComputeMaskedBits()
231                       AllOnes, KnownZero2, KnownOne2, TD, Depth+1);  in ComputeMaskedBits()
234     KnownOne2.clearAllBits();  in ComputeMaskedBits()
237                       AllOnes, KnownZero2, KnownOne2, TD, Depth+1);  in ComputeMaskedBits()
238     unsigned RHSUnknownLeadingOnes = KnownOne2.countLeadingZeros();  in ComputeMaskedBits()
248     ComputeMaskedBits(I->getOperand(1), Mask, KnownZero2, KnownOne2, TD,  in ComputeMaskedBits()
251     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");   in ComputeMaskedBits()
254     KnownOne &= KnownOne2;  in ComputeMaskedBits()
389         ComputeMaskedBits(I->getOperand(1), MaskV, KnownZero2, KnownOne2,  in ComputeMaskedBits()
418     ComputeMaskedBits(I->getOperand(1), Mask2, KnownZero2, KnownOne2, TD,   in ComputeMaskedBits()
420     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");   in ComputeMaskedBits()
429         KnownOne  |= KnownOne2 & Mask;  in ComputeMaskedBits()
452           else if (LHSKnownOne.isNegative() && KnownOne2.isNegative())  in ComputeMaskedBits()
456           if (LHSKnownZero.isNegative() && KnownOne2.isNegative())  in ComputeMaskedBits()
473         ComputeMaskedBits(I->getOperand(0), Mask2, KnownZero2, KnownOne2, TD,   in ComputeMaskedBits()
478         KnownOne = KnownOne2 & LowBits;  in ComputeMaskedBits()
487         if (KnownOne2[BitWidth-1] && ((KnownOne2 & LowBits) != 0))  in ComputeMaskedBits()
529     ComputeMaskedBits(I->getOperand(1), AllOnes, KnownZero2, KnownOne2,  in ComputeMaskedBits()
622           ComputeMaskedBits(R, Mask2, KnownZero2, KnownOne2, TD, Depth+1);  in ComputeMaskedBits()
657         KnownOne2 = APInt(BitWidth, 0);  in ComputeMaskedBits()
661                           KnownZero2, KnownOne2, TD, MaxDepth-1);  in ComputeMaskedBits()
663         KnownOne &= KnownOne2;  in ComputeMaskedBits()