326     return Constant::getNullValue(CI->getType());  in optimizeStrChr()
354     return Constant::getNullValue(CI->getType());  in optimizeStrRChr()
726     return Constant::getNullValue(CI->getType());  in optimizeStrPBrk()
732       return Constant::getNullValue(CI->getType());  in optimizeStrPBrk()
764     return Constant::getNullValue(CI->getType());  in optimizeStrSpn()
784     return Constant::getNullValue(CI->getType());  in optimizeStrCSpn()
819                        ConstantInt::getNullValue(StrNCmp->getType()), "cmp");  in optimizeStrStr()
839       return Constant::getNullValue(CI->getType());  in optimizeStrStr()
874       return Constant::getNullValue(CI->getType());  in optimizeMemChr()
947     return Constant::getNullValue(CI->getType());  in optimizeMemChr()
957     return Constant::getNullValue(CI->getType());  in optimizeMemCmpConstantSize()
1036     return Constant::getNullValue(CI->getType());  in optimizeMemCmpBCmpCommon()
1046     return Constant::getNullValue(CI->getType());  in optimizeMemCmpBCmpCommon()
1101       return Constant::getNullValue(CI->getType());  in optimizeMemCCpy()
1115       return Constant::getNullValue(CI->getType());  in optimizeMemCCpy()
1126              : Constant::getNullValue(CI->getType());  in optimizeMemCCpy()
2248   Value *Cond = B.CreateICmpNE(Op, Constant::getNullValue(ArgType));  in optimizeFFS()
2268   Value *IsNeg = B.CreateICmpSLT(X, Constant::getNullValue(X->getType()));  in optimizeAbs()