220   if (X.isNull())  in checkDeducedTemplateArguments()
222   if (Y.isNull())  in checkDeducedTemplateArguments()
232     if (!XType.isNull()) {  in checkDeducedTemplateArguments()
234       if (YType.isNull() || !Context.hasSameType(XType, YType))  in checkDeducedTemplateArguments()
378         if (Merged.isNull() && !(XA->isNull() && YA->isNull()))  in checkDeducedTemplateArguments()
409   if (Result.isNull()) {  in DeduceNonTypeTemplateArgument()
621     if (Result.isNull()) {  in DeduceTemplateArguments()
860     DeducedFromEarlierParameter = !Deduced[Index].isNull();  in addPack()
1029       if (!Pack.New.empty() || !DeducedArg.isNull()) {  in nextPackElement()
1091         if (Pack.Outer->DeferredDeduction.isNull()) {  in finish()
1110           OldPack.pack_size() != NewPack.pack_size() && !Result.isNull();  in finish()
1113       if (!Result.isNull() && !Pack.DeferredDeduction.isNull()) {  in finish()
1120       if (Result.isNull()) {  in finish()
1702     if (Result.isNull()) {  in DeduceTemplateArgumentsByTypeMatch()
2763     if (NTTPType.isNull())  in getTrivialTemplateArgumentLoc()
2772     if (NTTPType.isNull())  in getTrivialTemplateArgumentLoc()
2860       if (P.isNull()) {  in ConvertDeducedTemplateArgument()
2891                         NTTP->getDeclName()).isNull())  in ConvertDeducedTemplateArgument()
2935     if (Deduced[I].isNull() && Param->isTemplateParameterPack()) {  in ConvertDeducedTemplateArguments()
2942     if (!Deduced[I].isNull()) {  in ConvertDeducedTemplateArguments()
3010     if (DefArg.getArgument().isNull()) {  in ConvertDeducedTemplateArguments()
3567     if (ResultType.isNull() || Trap.hasErrorOccurred())  in SubstituteExplicitTemplateArguments()
3593     if (FunctionType->isNull() || Trap.hasErrorOccurred())  in SubstituteExplicitTemplateArguments()
3974         if (CacheEntry.isNull()) {  in FinishTemplateArgumentDeduction()
4106     if (ArgType.isNull()) continue;  in ResolveOverloadForDeduction()
4132     if (!Match.isNull())  in ResolveOverloadForDeduction()
4170     if (ArgType.isNull())  in AdjustFunctionParmAndArgTypesForDeduction()
4590   if (ArgFunctionType.isNull())  in adjustCCAndNoReturn()
4677   if (!ArgFunctionType.isNull() && !FunctionType.isNull()) {  in DeduceTemplateArguments()
4735   if (!ArgFunctionType.isNull()) {  in DeduceTemplateArguments()
4938           Replacement, TL.getTypePtr()->getKeyword(), Replacement.isNull(),  in TransformAutoType()
4953           Replacement, Replacement.isNull());  in TransformDeducedTemplateSpecializationType()
5070     assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
5080     assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
5106       assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
5123     assert(!DeducedType.isNull());  in DeduceAutoType()
5176       assert(!FuncParam.isNull() &&  in DeduceAutoType()
5194       if (DeducedType.isNull())  in DeduceAutoType()
5199   if (!Result.isNull()) {  in DeduceAutoType()
5214   if (Result.isNull())  in DeduceAutoType()
5466     if (Deduced[ArgIdx].isNull())  in isAtLeastAsSpecializedAs()
5524     if (Deduced[ArgIdx].isNull() && UsedParameters[ArgIdx])  in isAtLeastAsSpecializedAs()
5814       if (!TargetType.isNull())  in getMostSpecialized()
6356   if (T.isNull())  in MarkUsedTemplateParameters()