218   if (X.isNull())  in checkDeducedTemplateArguments()
220   if (Y.isNull())  in checkDeducedTemplateArguments()
230     if (!XType.isNull()) {  in checkDeducedTemplateArguments()
232       if (YType.isNull() || !Context.hasSameType(XType, YType))  in checkDeducedTemplateArguments()
358       if (Merged.isNull())  in checkDeducedTemplateArguments()
385   if (Result.isNull()) {  in DeduceNonTypeTemplateArgument()
503     if (Result.isNull()) {  in DeduceTemplateArguments()
845       if (!Pack.New.empty() || !DeducedArg.isNull()) {  in nextPackElement()
881         if (Pack.DeferredDeduction.isNull()) {  in finish()
910         if (Pack.Outer->DeferredDeduction.isNull()) {  in finish()
927       if (!Result.isNull() && !Pack.DeferredDeduction.isNull()) {  in finish()
934       if (Result.isNull()) {  in finish()
1415     if (Result.isNull()) {  in DeduceTemplateArgumentsByTypeMatch()
2455     if (NTTPType.isNull())  in getTrivialTemplateArgumentLoc()
2463     if (NTTPType.isNull())  in getTrivialTemplateArgumentLoc()
2544       if (P.isNull()) {  in ConvertDeducedTemplateArgument()
2574                         NTTP->getDeclName()).isNull())  in ConvertDeducedTemplateArgument()
2614     if (Deduced[I].isNull() && Param->isTemplateParameterPack()) {  in ConvertDeducedTemplateArguments()
2620     if (!Deduced[I].isNull()) {  in ConvertDeducedTemplateArguments()
2668     if (DefArg.getArgument().isNull()) {  in ConvertDeducedTemplateArguments()
3095     if (ResultType.isNull() || Trap.hasErrorOccurred())  in SubstituteExplicitTemplateArguments()
3126     if (FunctionType->isNull() || Trap.hasErrorOccurred())  in SubstituteExplicitTemplateArguments()
3409         if (CacheEntry.isNull()) {  in FinishTemplateArgumentDeduction()
3536     if (ArgType.isNull()) continue;  in ResolveOverloadForDeduction()
3562     if (!Match.isNull())  in ResolveOverloadForDeduction()
3598     if (ArgType.isNull())  in AdjustFunctionParmAndArgTypesForDeduction()
3953   if (ArgFunctionType.isNull())  in adjustCCAndNoReturn()
4071   if (!ArgFunctionType.isNull()) {  in DeduceTemplateArguments()
4116   if (!ArgFunctionType.isNull()) {  in DeduceTemplateArguments()
4321           Replacement, TL.getTypePtr()->getKeyword(), Replacement.isNull());  in TransformAutoType()
4334           Replacement, Replacement.isNull());  in TransformDeducedTemplateSpecializationType()
4415     assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
4437       if (Deduced.isNull())  in DeduceAutoType()
4442       if (Result.isNull())  in DeduceAutoType()
4468   assert(!FuncParam.isNull() &&  in DeduceAutoType()
4483       assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
4536     if (DeducedType.isNull())  in DeduceAutoType()
4541   if (Result.isNull())  in DeduceAutoType()
4779     if (Deduced[ArgIdx].isNull())  in isAtLeastAsSpecializedAs()
4817     if (Deduced[ArgIdx].isNull() && UsedParameters[ArgIdx])  in isAtLeastAsSpecializedAs()
4993       if (!TargetType.isNull())  in getMostSpecialized()
5311   if (T.isNull())  in MarkUsedTemplateParameters()