1400   setTargetDAGCombine({ISD::SIGN_EXTEND, ISD::ZERO_EXTEND, ISD::ANY_EXTEND});  in PPCTargetLowering()
6138       Arg = DAG.getNode(Flags.isSExt() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND,  in LowerCall_32SVR4()
6454       unsigned ExtOp = Flags.isSExt() ? ISD::SIGN_EXTEND : ISD::ZERO_EXTEND;  in LowerCall_64SVR4()
7656       Arg = DAG.getNode(ISD::ZERO_EXTEND, dl, VA.getLocVT(), Arg);  in LowerCall_AIX()
7851       Arg = DAG.getNode(ISD::ZERO_EXTEND, dl, VA.getLocVT(), Arg);  in LowerReturn()
8065   Value = DAG.getNode(ISD::ZERO_EXTEND, dl, getPointerTy(DAG.getDataLayout()),  in LowerSTORE()
8897                  SINT.getOpcode() == ISD::ZERO_EXTEND)) &&  in LowerINT_TO_FP()
8923       Bits = DAG.getMemIntrinsicNode(SINT.getOpcode() == ISD::ZERO_EXTEND ?  in LowerINT_TO_FP()
9094       DAG.getNode((VT.getSizeInBits() < 16 ? ISD::TRUNCATE : ISD::ZERO_EXTEND),  in LowerGET_ROUNDING()
11275     SDValue ValLo = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::i128, LoadedVal);  in LowerATOMIC_LOAD_STORE()
11277         DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::i128, LoadedVal.getValue(1));  in LowerATOMIC_LOAD_STORE()
14004   auto Op0 = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, N->getOperand(0),  in generateEquivalentSub()
14006   auto Op1 = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, N->getOperand(1),  in generateEquivalentSub()
14045     if (U->getOpcode() != ISD::ZERO_EXTEND)  in ConvertSETCCToSubtract()
14141       N->getOperand(0).getOpcode() != ISD::ZERO_EXTEND &&  in DAGCombineTruncBoolExt()
14153       N->getOperand(1).getOpcode() != ISD::ZERO_EXTEND &&  in DAGCombineTruncBoolExt()
14163           N->getOperand(i).getOpcode() == ISD::ZERO_EXTEND ||  in DAGCombineTruncBoolExt()
14193             BinOp.getOperand(i).getOpcode() == ISD::ZERO_EXTEND ||  in DAGCombineTruncBoolExt()
14205                  BinOp.getOperand(i).getOpcode() == ISD::ZERO_EXTEND ||  in DAGCombineTruncBoolExt()
14289         PromOp.getOpcode() == ISD::ZERO_EXTEND ||  in DAGCombineTruncBoolExt()
14485       if ((N->getOpcode() == ISD::ZERO_EXTEND &&  in DAGCombineExtBoolTrunc()
14513     else if (N->getOpcode() == ISD::ZERO_EXTEND)  in DAGCombineExtBoolTrunc()
14577       else if (N->getOpcode() == ISD::ZERO_EXTEND)  in DAGCombineExtBoolTrunc()
14605   if (N->getOpcode() == ISD::ZERO_EXTEND)  in DAGCombineExtBoolTrunc()
15791     if ((Op1.getOpcode() != ISD::ZERO_EXTEND &&  in PerformDAGCombine()
15836   case ISD::ZERO_EXTEND:  in PerformDAGCombine()
17852     if (Op.getOpcode() != ISD::ZERO_EXTEND || !Op.hasOneUse() ||  in combineADDToADDZE()
18482     Val = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i64, Val);  in splitValueIntoRegisterParts()