2172         if (SameNumElts || isNullConstant(Splat))  in getVectorShuffle()
4061   if (isNullConstant(N1))  in computeOverflowForSignedAdd()
4076   if (isNullConstant(N1))  in computeOverflowForUnsignedAdd()
4099   if (isNullConstant(N1))  in computeOverflowForSignedSub()
4117   if (isNullConstant(N1))  in computeOverflowForUnsignedSub()
4130   if (isNullConstant(N1) || isOneConstant(N1))  in computeOverflowForUnsignedMul()
4143   if (isNullConstant(N1) || isOneConstant(N1))  in computeOverflowForSignedMul()
5327     if (isNullConstant(Op.getOperand(0)))  in isKnownNeverZero()
6036     if (Divisor.isUndef() || isNullConstant(Divisor))  in isUndef()
6042                                         isNullConstant(V); });  in isUndef()
7786   bool IsZeroVal = isNullConstant(Src);  in getMemsetStores()
8170   if (isNullConstant(Src) && BzeroName) {  in getMemset()
11522 bool llvm::isNullConstant(SDValue V) {  in isNullConstant()  function in llvm
11939       !isNullConstant(Extract->getOperand(1)))  in matchBinOpReduction()