35742     ArrayRef<SDValue> Inputs, SDValue Root, ArrayRef<int> BaseMask, int Depth,
35757                                       ArrayRef<int> BaseMask, int Depth,  in combineX86ShuffleChain()  argument
35763   assert(!BaseMask.empty() && "Cannot combine an empty shuffle mask!");  in combineX86ShuffleChain()
35792   unsigned NumBaseMaskElts = BaseMask.size();  in combineX86ShuffleChain()
35794     assert(BaseMask[0] == 0 && "Invalid shuffle index found!");  in combineX86ShuffleChain()
35818   if (UnaryShuffle && isTargetShuffleSplat(V1) && !isAnyZero(BaseMask) &&  in combineX86ShuffleChain()
35829     if (BaseMask.size() <= NumElts &&  in combineX86ShuffleChain()
35830         scaleShuffleElements(BaseMask, NumElts, ScaledMask)) {  in combineX86ShuffleChain()
35844     if (isUndefOrZeroInRange(BaseMask, 1, NumBaseMaskElts - 1)) {  in combineX86ShuffleChain()
35847       assert(isInRange(BaseMask[0], 0, NumBaseMaskElts) &&  in combineX86ShuffleChain()
35850       unsigned SubIdx = BaseMask[0] * (NumRootElts / NumBaseMaskElts);  in combineX86ShuffleChain()
35851       bool UseZero = isAnyZero(BaseMask);  in combineX86ShuffleChain()
35859     narrowShuffleMaskElts(BaseMaskEltSizeInBits / 128, BaseMask, Mask);  in combineX86ShuffleChain()
35915     if (isUndefOrZero(BaseMask[1])) {  in combineX86ShuffleChain()
35918       assert(isInRange(BaseMask[0], 0, 2) && "Unexpected lane shuffle");  in combineX86ShuffleChain()
35920       Res = extract128BitVector(Res, BaseMask[0] * (NumRootElts / 2), DAG, DL);  in combineX86ShuffleChain()
35921       return widenSubVector(Res, BaseMask[1] == SM_SentinelZero, Subtarget, DAG,  in combineX86ShuffleChain()
35928     if (BaseMask[0] == 0 && BaseMask[1] == 0 && !Subtarget.hasAVX2()) {  in combineX86ShuffleChain()
35943         !(Subtarget.hasAVX2() && isUndefOrInRange(BaseMask, 0, 2)) &&  in combineX86ShuffleChain()
35944         (OptForSize || !isSequentialOrUndefOrZeroInRange(BaseMask, 0, 2, 0))) {  in combineX86ShuffleChain()
35946       PermMask |= ((BaseMask[0] < 0 ? 0x8 : (BaseMask[0] & 1)) << 0);  in combineX86ShuffleChain()
35947       PermMask |= ((BaseMask[1] < 0 ? 0x8 : (BaseMask[1] & 1)) << 4);  in combineX86ShuffleChain()
35958       assert(llvm::all_of(BaseMask, [](int M) { return 0 <= M && M < 4; }) &&  in combineX86ShuffleChain()
35961       if (!((BaseMask[0] == 0 && BaseMask[1] == 3) ||  in combineX86ShuffleChain()
35962             (BaseMask[0] == 2 && BaseMask[1] == 1))) {  in combineX86ShuffleChain()
35964         PermMask |= ((BaseMask[0] & 3) << 0);  in combineX86ShuffleChain()
35965         PermMask |= ((BaseMask[1] & 3) << 4);  in combineX86ShuffleChain()
35966         SDValue LHS = isInRange(BaseMask[0], 0, 2) ? V1 : V2;  in combineX86ShuffleChain()
35967         SDValue RHS = isInRange(BaseMask[1], 0, 2) ? V1 : V2;  in combineX86ShuffleChain()
35982     narrowShuffleMaskElts(MaskScale, BaseMask, Mask);  in combineX86ShuffleChain()
35984     Mask.assign(BaseMask.begin(), BaseMask.end());  in combineX86ShuffleChain()
36283             Inputs, Root, BaseMask, Depth, HasVariableMask,  in combineX86ShuffleChain()
36456           Inputs, Root, BaseMask, Depth, HasVariableMask,  in combineX86ShuffleChain()
36494     ArrayRef<SDValue> Inputs, SDValue Root, ArrayRef<int> BaseMask, int Depth,  in combineX86ShuffleChainWithExtract()  argument
36498   unsigned NumMaskElts = BaseMask.size();  in combineX86ShuffleChainWithExtract()
36563   SmallVector<int, 64> WideMask(BaseMask.begin(), BaseMask.end());  in combineX86ShuffleChainWithExtract()