47   if (CV->isNullValue()) return Constant::getNullValue(DstTy);  in BitCastConstantVector()
113           Constant::getNullValue(Type::getInt32Ty(DPTy->getContext()));  in FoldBitCast()
146         return Constant::getNullValue(DestTy);  in FoldBitCast()
279       return Constant::getNullValue(IntegerType::get(CE->getContext(),  in ExtractConstantBytes()
301       return Constant::getNullValue(IntegerType::get(CE->getContext(),  in ExtractConstantBytes()
317       return Constant::getNullValue(IntegerType::get(CE->getContext(),  in ExtractConstantBytes()
364         return ConstantExpr::getNullValue(DestTy);  in getFoldedSizeOf()
530       return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
536     return Constant::getNullValue(DestTy);  in ConstantFoldCastInstruction()
673                   APInt::getNullValue(DestTy->getPrimitiveSizeInBits()));  in ConstantFoldCastInstruction()
785     return Constant::getNullValue(Val->getType()->getVectorElementType());  in ConstantFoldExtractElementInstruction()
927         return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
935       return Constant::getNullValue(C1->getType());   // undef & X -> 0  in ConstantFoldBinaryInstruction()
947       return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
959       return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
969       return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
982       return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
992       return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
1001       return Constant::getNullValue(C1->getType());  in ConstantFoldBinaryInstruction()
1042         return Constant::getNullValue(CI2->getType());        // X % 1 == 0  in ConstantFoldBinaryInstruction()
1079               return Constant::getNullValue(CI2->getType());  in ConstantFoldBinaryInstruction()
1544                                     Constant::getNullValue(CE1Op0->getType()),  in evaluateICmpRelation()
1687     return Constant::getNullValue(ResultTy);  in ConstantFoldCompareInstruction()
1770     case FCmpInst::FCMP_FALSE: return Constant::getNullValue(ResultTy);  in ConstantFoldCompareInstruction()
2083       return Constant::getNullValue(GEPTy);  in ConstantFoldGetElementPtrImpl()