Lines Matching defs:KnownZero
1383 APInt KnownZero, KnownOne;
1386 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1387 if ((KnownZero & Mask) == Mask) {
1406 APInt KnownZero, KnownOne;
1409 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1410 if ((KnownZero & Mask) == Mask) {
1422 APInt KnownZero, KnownOne;
1425 DAG.ComputeMaskedBits(N2, KnownZero, KnownOne);
1426 if ((KnownZero & Mask) == Mask) {
1548 APInt &KnownZero,
1552 KnownZero = KnownOne = APInt(KnownZero.getBitWidth(), 0);
1559 KnownZero = APInt::getHighBitsSet(KnownZero.getBitWidth(),
1560 KnownZero.getBitWidth() - 1);