48   if (CV->isNullValue()) return Constant::getNullValue(DstTy);  in BitCastConstantVector()
262     if (RHS->isNullValue())  in ExtractConstantBytes()
367   if (V->isNullValue() && !DestTy->isX86_MMXTy() && !DestTy->isX86_AMXTy() &&  in ConstantFoldCastInstruction()
393         if (!CE->getOperand(i)->isNullValue()) {  in ConstantFoldCastInstruction()
468     if (V->isNullValue())       // Is it an integral null value?  in ConstantFoldCastInstruction()
473     if (V->isNullValue())  in ConstantFoldCastInstruction()
532   if (Cond->isNullValue()) return V2;  in ConstantFoldSelectInstruction()
555         V = Cond->isNullValue() ? V2Element : V1Element;  in ConstantFoldSelectInstruction()
1214       if (Instruction::isIntDivRem(Opcode) && C2Splat->isNullValue())  in ConstantFoldBinaryInstruction()
1233         if (Instruction::isIntDivRem(Opcode) && RHS->isNullValue())  in ConstantFoldBinaryInstruction()
1571       if (V2->isNullValue() && CE1->getType()->isIntOrPtrTy()) {  in evaluateICmpRelation()
1596             if (!CE1->getOperand(i)->isNullValue())  in evaluateICmpRelation()
1616                    !CE1->getOperand(1)->isNullValue() &&  in evaluateICmpRelation()
1672               if (!CE1->getOperand(i)->isNullValue()) {  in evaluateICmpRelation()
1680               if (!CE2->getOperand(i)->isNullValue()) {  in evaluateICmpRelation()
1740   if (C1->isNullValue()) {  in ConstantFoldCompareInstruction()
1752   } else if (C2->isNullValue()) {  in ConstantFoldCompareInstruction()
2051         (C1->isNullValue() && !C2->isNullValue())) {  in ConstantFoldCompareInstruction()
2069   if (cast<Constant>(Idxs[0])->isNullValue()) return true;  in isInBoundsIndices()
2084     if (!cast<Constant>(Idxs[i])->isNullValue())  in isInBoundsIndices()
2115   if (Idx0->isNullValue()) {  in foldGEPOfGEP()
2214   if (Idxs.size() == 1 && (Idx0->isNullValue() || isa<UndefValue>(Idx0)))  in ConstantFoldGetElementPtr()
2220   if (C->isNullValue()) {  in ConstantFoldGetElementPtr()
2224           !cast<Constant>(Idxs[i])->isNullValue()) {  in ConstantFoldGetElementPtr()
2268     if (CE->isCast() && Idxs.size() > 1 && Idx0->isNullValue()) {  in ConstantFoldGetElementPtr()