6037   return ((Val == SM_SentinelUndef) || (Val == SM_SentinelZero));  in isUndefOrZero()
6072   return llvm::any_of(Mask, [](int M) { return M == SM_SentinelZero; });  in isAnyZero()
6079     return M == SM_SentinelZero || M == SM_SentinelUndef;  in isAnyZeroOrUndef()
6173     if (M0 == SM_SentinelZero || M1 == SM_SentinelZero) {  in canWidenShuffleElements()
6174       if ((M0 == SM_SentinelZero || M0 == SM_SentinelUndef) &&  in canWidenShuffleElements()
6175           (M1 == SM_SentinelZero || M1 == SM_SentinelUndef)) {  in canWidenShuffleElements()
6176         WidenedMask[i / 2] = SM_SentinelZero;  in canWidenShuffleElements()
6209         ZeroableMask[i] = SM_SentinelZero;  in canWidenShuffleElements()
8064       if (SM_SentinelZero == M)  in getTargetShuffleAndZeroables()
8136       Mask[i] = SM_SentinelZero;  in resolveTargetShuffleFromZeroables()
8151     if (SM_SentinelZero == M)  in resolveZeroablesFromTargetShuffle()
8244       Mask.push_back(ByteBits == ZeroMask ? SM_SentinelZero : i);  in getFauxShuffleMask()
8273       if (Mask0[i] == SM_SentinelZero && Mask1[i] == SM_SentinelZero)  in getFauxShuffleMask()
8274         Mask.push_back(SM_SentinelZero);  in getFauxShuffleMask()
8275       else if (Mask1[i] == SM_SentinelZero)  in getFauxShuffleMask()
8277       else if (Mask0[i] == SM_SentinelZero)  in getFauxShuffleMask()
8338       Mask.append(NumElts, SM_SentinelZero);  in getFauxShuffleMask()
8372           Mask.push_back(i == DstIdx ? SM_SentinelZero : (int)i);  in getFauxShuffleMask()
8428       Mask[DstByte + i] = SM_SentinelZero;  in getFauxShuffleMask()
8512     Mask.append(NumElts - NumSrcElts, SM_SentinelZero);  in getFauxShuffleMask()
8521       Mask.append(NumElts, SM_SentinelZero);  in getFauxShuffleMask()
8533     Mask.append(NumSizeInBytes, SM_SentinelZero);  in getFauxShuffleMask()
8745     if (Elt == SM_SentinelZero)  in getShuffleScalarElt()
11745     if (Mask[i] == SM_SentinelZero) {  in isRepeatedTargetShuffleMask()
11748       RepeatedMask[i % LaneSize] = SM_SentinelZero;  in isRepeatedTargetShuffleMask()
11902     if (MaskIdx == SM_SentinelZero) {  in isTargetShuffleEquivalent()
19449         assert(is_contained(WidenedMask, SM_SentinelZero) &&  in lowerVECTOR_SHUFFLE()
19452           if (WidenedMask[i] == SM_SentinelZero) {  in lowerVECTOR_SHUFFLE()
37048           if (M == SM_SentinelZero) {  in computeKnownBitsForTargetNode()
37196           } else if (M == SM_SentinelZero) {  in ComputeNumSignBitsForTargetNode()
37625       if (M == SM_SentinelZero) {  in matchBinaryShuffle()
37673           if (M == SM_SentinelZero) {  in matchBinaryShuffle()
38051       return widenSubVector(Res, Mask[1] == SM_SentinelZero, Subtarget, DAG, DL,  in combineX86ShuffleChain()
38404         if (Mask[i] == SM_SentinelZero)  in combineX86ShuffleChain()
38455       if (M == SM_SentinelZero)  in combineX86ShuffleChain()
38503       if (M == SM_SentinelZero) {  in combineX86ShuffleChain()
38538       if (M == SM_SentinelZero) {  in combineX86ShuffleChain()
38570       if (M == SM_SentinelZero) {  in combineX86ShuffleChain()
38781           if (M == SM_SentinelZero)  in canonicalizeShuffleMaskWithHorizOp()
38903         Lo = (WideMask128[0] == SM_SentinelZero ? Zero : Lo);  in canonicalizeShuffleMaskWithHorizOp()
38904         Hi = (WideMask128[1] == SM_SentinelZero ? Zero : Hi);  in canonicalizeShuffleMaskWithHorizOp()
38961     } else if (M == SM_SentinelZero) {  in combineX86ShufflesConstants()
39268       none_of(Mask, [](int M) { return M == SM_SentinelZero; }))  in combineX86ShufflesRecursively()
43580   if (ExtractIdx == SM_SentinelZero)  in combineExtractWithShuffle()
48065         ShuffleMask[VecIdx] = EltBits[i].isZero() ? SM_SentinelZero : VecIdx;  in combineAnd()
54482       if (ScaledMask[SubVecIdx] == SM_SentinelZero)  in combineEXTRACT_SUBVECTOR()