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()
376         if (Merged.isNull() && !(XA->isNull() && YA->isNull()))  in checkDeducedTemplateArguments()
406   if (Result.isNull()) {  in DeduceNonTypeTemplateArgument()
532     if (Result.isNull()) {  in DeduceTemplateArguments()
884       if (!Pack.New.empty() || !DeducedArg.isNull()) {  in nextPackElement()
946         if (Pack.Outer->DeferredDeduction.isNull()) {  in finish()
965           OldPack.pack_size() != NewPack.pack_size() && !Result.isNull();  in finish()
968       if (!Result.isNull() && !Pack.DeferredDeduction.isNull()) {  in finish()
975       if (Result.isNull()) {  in finish()
1566     if (Result.isNull()) {  in DeduceTemplateArgumentsByTypeMatch()
2603     if (NTTPType.isNull())  in getTrivialTemplateArgumentLoc()
2611     if (NTTPType.isNull())  in getTrivialTemplateArgumentLoc()
2699       if (P.isNull()) {  in ConvertDeducedTemplateArgument()
2730                         NTTP->getDeclName()).isNull())  in ConvertDeducedTemplateArgument()
2774     if (Deduced[I].isNull() && Param->isTemplateParameterPack()) {  in ConvertDeducedTemplateArguments()
2780     if (!Deduced[I].isNull()) {  in ConvertDeducedTemplateArguments()
2848     if (DefArg.getArgument().isNull()) {  in ConvertDeducedTemplateArguments()
3372     if (ResultType.isNull() || Trap.hasErrorOccurred())  in SubstituteExplicitTemplateArguments()
3415     if (FunctionType->isNull() || Trap.hasErrorOccurred())  in SubstituteExplicitTemplateArguments()
3799         if (CacheEntry.isNull()) {  in FinishTemplateArgumentDeduction()
3929     if (ArgType.isNull()) continue;  in ResolveOverloadForDeduction()
3955     if (!Match.isNull())  in ResolveOverloadForDeduction()
3993     if (ArgType.isNull())  in AdjustFunctionParmAndArgTypesForDeduction()
4402   if (ArgFunctionType.isNull())  in adjustCCAndNoReturn()
4517   if (!ArgFunctionType.isNull() && !FunctionType.isNull()) {  in DeduceTemplateArguments()
4579   if (!ArgFunctionType.isNull()) {  in DeduceTemplateArguments()
4807           Replacement, TL.getTypePtr()->getKeyword(), Replacement.isNull(),  in TransformAutoType()
4822           Replacement, Replacement.isNull());  in TransformDeducedTemplateSpecializationType()
4943     assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
4953     assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
4979       assert(!Result.isNull() && "substituting DependentTy can't fail");  in DeduceAutoType()
4996     assert(!DeducedType.isNull());  in DeduceAutoType()
5048       assert(!FuncParam.isNull() &&  in DeduceAutoType()
5065       if (DeducedType.isNull())  in DeduceAutoType()
5070   if (!Result.isNull()) {  in DeduceAutoType()
5085   if (Result.isNull())  in DeduceAutoType()
5393     if (Deduced[ArgIdx].isNull())  in isAtLeastAsSpecializedAs()
5431     if (Deduced[ArgIdx].isNull() && UsedParameters[ArgIdx])  in isAtLeastAsSpecializedAs()
5683       if (!TargetType.isNull())  in getMostSpecialized()
6182   if (T.isNull())  in MarkUsedTemplateParameters()