Add TagDecl::hasNameForLinkage(), which is true if the tag

is non-anonymous or is defined in a typedef of itself.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176742 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 5 insertions, 7 deletions

diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index e9d9791318..be0480b9f1 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -5026,10 +5026,8 @@ void CheckImplicitConversion(Sema &S, Expr *E, QualType T,
   
   if (const EnumType *SourceEnum = Source->getAs<EnumType>())
     if (const EnumType *TargetEnum = Target->getAs<EnumType>())
-      if ((SourceEnum->getDecl()->getIdentifier() || 
-           SourceEnum->getDecl()->getTypedefNameForAnonDecl()) &&
-          (TargetEnum->getDecl()->getIdentifier() ||
-           TargetEnum->getDecl()->getTypedefNameForAnonDecl()) &&
+      if (SourceEnum->getDecl()->hasNameForLinkage() &&
+          TargetEnum->getDecl()->hasNameForLinkage() &&
           SourceEnum != TargetEnum) {
         if (S.SourceMgr.isInSystemMacro(CC))
           return;
diff --git a/lib/Sema/SemaCodeComplete.cpp b/lib/Sema/SemaCodeComplete.cpp
index e485b356db..78d8518b23 100644
--- a/lib/Sema/SemaCodeComplete.cpp
+++ b/lib/Sema/SemaCodeComplete.cpp
@@ -1476,7 +1476,7 @@ static const char *GetCompletionTypeString(QualType T,
     // Anonymous tag types are constant strings.
     if (const TagType *TagT = dyn_cast<TagType>(T))
       if (TagDecl *Tag = TagT->getDecl())
-        if (!Tag->getIdentifier() && !Tag->getTypedefNameForAnonDecl()) {
+        if (!Tag->hasNameForLinkage()) {
           switch (Tag->getTagKind()) {
           case TTK_Struct: return "struct <anonymous>";
           case TTK_Interface: return "__interface <anonymous>";
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index fd0641995b..adf25ce3ae 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -3493,7 +3493,7 @@ bool UnnamedLocalNoLinkageFinder::VisitTagDecl(const TagDecl *Tag) {
     return true;
   }
 
-  if (!Tag->getDeclName() && !Tag->getTypedefNameForAnonDecl()) {
+  if (!Tag->hasNameForLinkage()) {
     S.Diag(SR.getBegin(),
            S.getLangOpts().CPlusPlus11 ?
              diag::warn_cxx98_compat_template_arg_unnamed_type :
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index c39f006258..d7ab7fd842 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -231,7 +231,7 @@ Decl *TemplateDeclInstantiator::InstantiateTypedefNameDecl(TypedefNameDecl *D,
     TagDecl *oldTag = oldTagType->getDecl();
     if (oldTag->getTypedefNameForAnonDecl() == D && !Invalid) {
       TagDecl *newTag = DI->getType()->castAs<TagType>()->getDecl();
-      assert(!newTag->getIdentifier() && !newTag->getTypedefNameForAnonDecl());
+      assert(!newTag->hasNameForLinkage());
       newTag->setTypedefNameForAnonDecl(Typedef);
     }
   }