57   return isNullValue();  in isNegativeZeroValue()
73   return isNullValue();  in isZeroValue()
76 bool Constant::isNullValue() const {  in isNullValue()  function in Constant
1262   if (C->isNullValue() && rangeOnlyContains(V.begin(), V.end(), C))  in getImpl()
1312     isZero = V[0]->isNullValue();  in get()
1316         if (!C->isNullValue())  in get()
1356   bool isZero = C->isNullValue();  in getImpl()
1399   if (V->isNullValue())  in getSplat()
1870   if (cast<Constant>(To)->isNullValue())  in handleOperandChangeImpl()
3119   if (AllSame && ToC->isNullValue())  in handleOperandChangeImpl()
3159   if (AllSame && ToC->isNullValue())  in handleOperandChangeImpl()