57   return isNullValue();  in isNegativeZeroValue()
73   return isNullValue();  in isZeroValue()
76 bool Constant::isNullValue() const {  in isNullValue()  function in Constant
1268   if (C->isNullValue() && rangeOnlyContains(V.begin(), V.end(), C))  in getImpl()
1318     isZero = V[0]->isNullValue();  in get()
1322         if (!C->isNullValue())  in get()
1362   bool isZero = C->isNullValue();  in getImpl()
1405   if (V->isNullValue())  in getSplat()
1856   if (cast<Constant>(To)->isNullValue())  in handleOperandChangeImpl()
3327   if (AllSame && ToC->isNullValue())  in handleOperandChangeImpl()
3367   if (AllSame && ToC->isNullValue())  in handleOperandChangeImpl()