23309   MVT CurrVT = MVT::getVectorVT(MVT::i8, NumBytes);  in LowerVectorCTLZInRegLUT()  local
23320   SDValue InRegLUT = DAG.getBuildVector(CurrVT, DL, LUTVec);  in LowerVectorCTLZInRegLUT()
23327   SDValue Op0 = DAG.getBitcast(CurrVT, Op.getOperand(0));  in LowerVectorCTLZInRegLUT()
23328   SDValue Zero = DAG.getConstant(0, DL, CurrVT);  in LowerVectorCTLZInRegLUT()
23330   SDValue NibbleShift = DAG.getConstant(0x4, DL, CurrVT);  in LowerVectorCTLZInRegLUT()
23332   SDValue Hi = DAG.getNode(ISD::SRL, DL, CurrVT, Op0, NibbleShift);  in LowerVectorCTLZInRegLUT()
23334   if (CurrVT.is512BitVector()) {  in LowerVectorCTLZInRegLUT()
23335     MVT MaskVT = MVT::getVectorVT(MVT::i1, CurrVT.getVectorNumElements());  in LowerVectorCTLZInRegLUT()
23337     HiZ = DAG.getNode(ISD::SIGN_EXTEND, DL, CurrVT, HiZ);  in LowerVectorCTLZInRegLUT()
23339     HiZ = DAG.getSetCC(DL, CurrVT, Hi, Zero, ISD::SETEQ);  in LowerVectorCTLZInRegLUT()
23342   Lo = DAG.getNode(X86ISD::PSHUFB, DL, CurrVT, InRegLUT, Lo);  in LowerVectorCTLZInRegLUT()
23343   Hi = DAG.getNode(X86ISD::PSHUFB, DL, CurrVT, InRegLUT, Hi);  in LowerVectorCTLZInRegLUT()
23344   Lo = DAG.getNode(ISD::AND, DL, CurrVT, Lo, HiZ);  in LowerVectorCTLZInRegLUT()
23345   SDValue Res = DAG.getNode(ISD::ADD, DL, CurrVT, Lo, Hi);  in LowerVectorCTLZInRegLUT()
23352   while (CurrVT != VT) {  in LowerVectorCTLZInRegLUT()
23353     int CurrScalarSizeInBits = CurrVT.getScalarSizeInBits();  in LowerVectorCTLZInRegLUT()
23354     int CurrNumElts = CurrVT.getVectorNumElements();  in LowerVectorCTLZInRegLUT()
23360     if (CurrVT.is512BitVector()) {  in LowerVectorCTLZInRegLUT()
23361       MVT MaskVT = MVT::getVectorVT(MVT::i1, CurrVT.getVectorNumElements());  in LowerVectorCTLZInRegLUT()
23362       HiZ = DAG.getSetCC(DL, MaskVT, DAG.getBitcast(CurrVT, Op0),  in LowerVectorCTLZInRegLUT()
23363                          DAG.getBitcast(CurrVT, Zero), ISD::SETEQ);  in LowerVectorCTLZInRegLUT()
23364       HiZ = DAG.getNode(ISD::SIGN_EXTEND, DL, CurrVT, HiZ);  in LowerVectorCTLZInRegLUT()
23366       HiZ = DAG.getSetCC(DL, CurrVT, DAG.getBitcast(CurrVT, Op0),  in LowerVectorCTLZInRegLUT()
23367                          DAG.getBitcast(CurrVT, Zero), ISD::SETEQ);  in LowerVectorCTLZInRegLUT()
23379     CurrVT = NextVT;  in LowerVectorCTLZInRegLUT()