313   if (N->getOpcode() == ISD::ZERO_EXTEND) {  in isVectorShrinkable()
572     return ISD::ZERO_EXTEND;  in getExtForLoadExtType()
1468     getNode(ISD::ZERO_EXTEND, DL, VT, Op) :  in getZExtOrTrunc()
2783   case ISD::ZERO_EXTEND:  in isSplatValue()
3813   case ISD::ZERO_EXTEND: {  in computeKnownBits()
4186       if (TLI->getExtendForAtomicOps() == ISD::ZERO_EXTEND)  in computeKnownBits()
4422   if (Val.getOpcode() == ISD::ZERO_EXTEND)  in isKnownToBeAPowerOfTwo()
5031       if (TLI->getExtendForAtomicOps() == ISD::ZERO_EXTEND)  in ComputeNumSignBits()
5307   case ISD::ZERO_EXTEND:  in canCreateUndefOrPoison()
5651   case ISD::ZERO_EXTEND:  in isKnownNeverZero()
5715       if (NotOperand->getOpcode() == ISD::ZERO_EXTEND ||  in haveNoCommonBitsSetCommutative()
5728   if (A->getOpcode() == ISD::ZERO_EXTEND || A->getOpcode() == ISD::TRUNCATE)  in haveNoCommonBitsSetCommutative()
5731   if (B->getOpcode() == ISD::ZERO_EXTEND || B->getOpcode() == ISD::TRUNCATE)  in haveNoCommonBitsSetCommutative()
5928   case ISD::ZERO_EXTEND:  in getNode()
6010     if (OpOpcode == ISD::SIGN_EXTEND || OpOpcode == ISD::ZERO_EXTEND) {  in getNode()
6012       if (OpOpcode == ISD::ZERO_EXTEND)  in getNode()
6020   case ISD::ZERO_EXTEND:  in getNode()
6031     if (OpOpcode == ISD::ZERO_EXTEND) { // (zext (zext x)) -> (zext x)  in getNode()
6034       return getNode(ISD::ZERO_EXTEND, DL, VT, N1.getOperand(0), Flags);  in getNode()
6070     if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||  in getNode()
6073       if (OpOpcode == ISD::ZERO_EXTEND)  in getNode()
6103     if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||  in getNode()
6410       case ISD::ZERO_EXTEND:  in FoldConstantArithmetic()
7663   Value = DAG.getNode(ISD::ZERO_EXTEND, dl, IntVT, Value);  in getMemsetValue()