30825   MVT RootVT = Root.getSimpleValueType();  in combineX86ShuffleChain()  local
30826   assert(VT1.getSizeInBits() == RootVT.getSizeInBits() &&  in combineX86ShuffleChain()
30827          VT2.getSizeInBits() == RootVT.getSizeInBits() &&  in combineX86ShuffleChain()
30836     return DAG.getBitcast(RootVT, V1);  in combineX86ShuffleChain()
30839   unsigned RootSizeInBits = RootVT.getSizeInBits();  in combineX86ShuffleChain()
30840   unsigned NumRootElts = RootVT.getVectorNumElements();  in combineX86ShuffleChain()
30843                      (RootVT.isFloatingPoint() && Depth >= 2) ||  in combineX86ShuffleChain()
30844                      (RootVT.is256BitVector() && !Subtarget.hasAVX2());  in combineX86ShuffleChain()
30861   if (UnaryShuffle && RootVT.is256BitVector() && NumBaseMaskElts == 2 &&  in combineX86ShuffleChain()
30875     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
30928         return DAG.getBitcast(RootVT, V1);  in combineX86ShuffleChain()
30941       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
30953       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
30968     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
30983     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31001       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31012       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31043       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31068       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31087       return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31116     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31134     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31169     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31178       ((RootVT.is128BitVector() && Subtarget.hasSSSE3()) ||  in combineX86ShuffleChain()
31179        (RootVT.is256BitVector() && Subtarget.hasAVX2()) ||  in combineX86ShuffleChain()
31180        (RootVT.is512BitVector() && Subtarget.hasBWI()))) {  in combineX86ShuffleChain()
31182     int NumBytes = RootVT.getSizeInBits() / 8;  in combineX86ShuffleChain()
31202     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()
31208   if (AllowVariableMask && RootVT.is128BitVector() && Subtarget.hasXOP()) {  in combineX86ShuffleChain()
31233     return DAG.getBitcast(RootVT, Res);  in combineX86ShuffleChain()