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Handle #pragma visibility in explicit specializations and enums. 

llvm-svn: 160057
This commit is contained in:
Rafael Espindola 2012-07-11 18:14:09 +00:00
parent 73daa0f740
commit 1fa9fade38
2 changed files with 18 additions and 6 deletions
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10
clang/lib/Sema/SemaDecl.cpp
View File

@ -8931,6 +8931,10 @@ void Sema::ActOnTagFinishDefinition(Scope *S, Decl *TagD,
if (isa<CXXRecordDecl>(Tag))
FieldCollector->FinishClass();
// If there's a #pragma GCC visibility in scope, and this isn't a subclass,
// set the visibility of this record.
AddPushedVisibilityAttribute(Tag);
// Exit this scope of this tag's definition.
PopDeclContext();
@ -10059,12 +10063,6 @@ void Sema::ActOnFields(Scope* S,
if (Attr)
ProcessDeclAttributeList(S, Record, Attr);
// If there's a #pragma GCC visibility in scope, and this isn't a subclass,
// set the visibility of this record.
if (Record && !Record->getDeclContext()->isRecord() &&
!isa<ClassTemplateSpecializationDecl>(Record))
AddPushedVisibilityAttribute(Record);
}
/// \brief Determine whether the given integral value is representable within

14
clang/test/CodeGenCXX/visibility.cpp
View File

@ -980,10 +980,24 @@ namespace test53 {
static void _M_fill_insert();
};
#pragma GCC visibility push(hidden)
// GCC doesn't seem to use the visibility of enums at all, we do.
enum zed {v1};
// GCC fails to mark this specialization hidden, we mark it.
template<>
struct vector<int> {
static void _M_fill_insert();
};
void foo() {
vector<unsigned>::_M_fill_insert();
vector<int>::_M_fill_insert();
vector<zed>::_M_fill_insert();
}
#pragma GCC visibility pop
// CHECK: declare void @_ZN6test536vectorIjE14_M_fill_insertEv
// CHECK-HIDDEN: declare void @_ZN6test536vectorIjE14_M_fill_insertEv
// CHECK: declare hidden void @_ZN6test536vectorIiE14_M_fill_insertEv
// CHECK-HIDDEN: declare hidden void @_ZN6test536vectorIiE14_M_fill_insertEv
// CHECK: declare hidden void @_ZN6test536vectorINS_3zedEE14_M_fill_insertEv
// CHECK-HIDDEN: declare hidden void @_ZN6test536vectorINS_3zedEE14_M_fill_insertEv
}