6036 static bool isUndefOrZero(int Val) {  in isUndefOrZero()  function
6099   return isUndefOrZero(Val) || isInRange(Val, Low, Hi);  in isUndefOrZeroOrInRange()
6127     if (!isUndefOrZero(Mask[i]) && Mask[i] != Low)  in isSequentialOrUndefOrZeroInRange()
6136   return llvm::all_of(Mask.slice(Pos, Size), isUndefOrZero);  in isUndefOrZeroInRange()
8061       assert(isUndefOrZero(M) && "Unknown shuffle sentinel value!");  in getTargetShuffleAndZeroables()
11742     assert(isUndefOrZero(Mask[i]) || (Mask[i] >= 0));  in isRepeatedTargetShuffleMask()
11746       if (!isUndefOrZero(RepeatedMask[i % LaneSize]))  in isRepeatedTargetShuffleMask()
12146     Zero1 &= isUndefOrZero(M1);  in matchShuffleWithUNPCK()
12147     Zero2 &= isUndefOrZero(M2);  in matchShuffleWithUNPCK()
37263     if ((isUndefOrZero(Mask[1]) && isUndefInRange(Mask, 2, NumMaskElts - 2)) ||  in matchUnaryShuffle()
38045     if (isUndefOrZero(Mask[1])) {  in combineX86ShuffleChain()
38875       if (isUndefOrZero(M))  in canonicalizeShuffleMaskWithHorizOp()
39139         if (OpUndef[i] || OpZero[i] || isUndefOrZero(M))  in combineX86ShufflesRecursively()
44583           LHSMask[i] = isUndefOrZero(LHSMask[i]) ? 0x80 : LHSMask[i];  in combineSelect()
44587           RHSMask[i] = isUndefOrZero(RHSMask[i]) ? 0x80 : RHSMask[i];  in combineSelect()