28700   MVT CurrVT = MVT::getVectorVT(MVT::i8, NumBytes);  in LowerVectorCTLZInRegLUT()  local
28711   SDValue InRegLUT = DAG.getBuildVector(CurrVT, DL, LUTVec);  in LowerVectorCTLZInRegLUT()
28718   SDValue Op0 = DAG.getBitcast(CurrVT, Op.getOperand(0));  in LowerVectorCTLZInRegLUT()
28719   SDValue Zero = DAG.getConstant(0, DL, CurrVT);  in LowerVectorCTLZInRegLUT()
28721   SDValue NibbleShift = DAG.getConstant(0x4, DL, CurrVT);  in LowerVectorCTLZInRegLUT()
28723   SDValue Hi = DAG.getNode(ISD::SRL, DL, CurrVT, Op0, NibbleShift);  in LowerVectorCTLZInRegLUT()
28725   if (CurrVT.is512BitVector()) {  in LowerVectorCTLZInRegLUT()
28726     MVT MaskVT = MVT::getVectorVT(MVT::i1, CurrVT.getVectorNumElements());  in LowerVectorCTLZInRegLUT()
28728     HiZ = DAG.getNode(ISD::SIGN_EXTEND, DL, CurrVT, HiZ);  in LowerVectorCTLZInRegLUT()
28730     HiZ = DAG.getSetCC(DL, CurrVT, Hi, Zero, ISD::SETEQ);  in LowerVectorCTLZInRegLUT()
28733   Lo = DAG.getNode(X86ISD::PSHUFB, DL, CurrVT, InRegLUT, Lo);  in LowerVectorCTLZInRegLUT()
28734   Hi = DAG.getNode(X86ISD::PSHUFB, DL, CurrVT, InRegLUT, Hi);  in LowerVectorCTLZInRegLUT()
28735   Lo = DAG.getNode(ISD::AND, DL, CurrVT, Lo, HiZ);  in LowerVectorCTLZInRegLUT()
28736   SDValue Res = DAG.getNode(ISD::ADD, DL, CurrVT, Lo, Hi);  in LowerVectorCTLZInRegLUT()
28743   while (CurrVT != VT) {  in LowerVectorCTLZInRegLUT()
28744     int CurrScalarSizeInBits = CurrVT.getScalarSizeInBits();  in LowerVectorCTLZInRegLUT()
28745     int CurrNumElts = CurrVT.getVectorNumElements();  in LowerVectorCTLZInRegLUT()
28751     if (CurrVT.is512BitVector()) {  in LowerVectorCTLZInRegLUT()
28752       MVT MaskVT = MVT::getVectorVT(MVT::i1, CurrVT.getVectorNumElements());  in LowerVectorCTLZInRegLUT()
28753       HiZ = DAG.getSetCC(DL, MaskVT, DAG.getBitcast(CurrVT, Op0),  in LowerVectorCTLZInRegLUT()
28754                          DAG.getBitcast(CurrVT, Zero), ISD::SETEQ);  in LowerVectorCTLZInRegLUT()
28755       HiZ = DAG.getNode(ISD::SIGN_EXTEND, DL, CurrVT, HiZ);  in LowerVectorCTLZInRegLUT()
28757       HiZ = DAG.getSetCC(DL, CurrVT, DAG.getBitcast(CurrVT, Op0),  in LowerVectorCTLZInRegLUT()
28758                          DAG.getBitcast(CurrVT, Zero), ISD::SETEQ);  in LowerVectorCTLZInRegLUT()
28770     CurrVT = NextVT;  in LowerVectorCTLZInRegLUT()