Lines Matching refs:UNDEF
1507 // Check to see if this buildvec has a single non-undef value in its elements.
1509 if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
1836 if (V2.getOpcode() == ISD::UNDEF) V2 = V1;
2167 // use 0 when the lane to insert to is 'undef'
2169 if (IdxOp.getOpcode() != ISD::UNDEF) {
