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Lines Matching defs:KnownZero

1354       APInt KnownZero, KnownOne;
1357       DAG.ComputeMaskedBits(N2, Mask, KnownZero, KnownOne);
1358       if (KnownZero == Mask) {
1377       APInt KnownZero, KnownOne;
1380       DAG.ComputeMaskedBits(N2, Mask, KnownZero, KnownOne);
1381       if (KnownZero == Mask) {
1393       APInt KnownZero, KnownOne;
1396       DAG.ComputeMaskedBits(N2, Mask, KnownZero, KnownOne);
1397       if (KnownZero == Mask) {
1516                                                          APInt &KnownZero,
1520   KnownZero = KnownOne = APInt(Mask.getBitWidth(), 0);
1527       KnownZero = APInt::getHighBitsSet(Mask.getBitWidth(),
1529       KnownZero &= Mask;