Fix for PR8901: attribute "mode" rejected for enums and dependent types.
Allow "mode" attribute for enum types, except for vector modes, for compatibility with GCC.
Support "mode" attribute with dependent types.
Differential Revision: http://reviews.llvm.org/D16219
llvm-svn: 259497
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 9403dd9..625760c 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -227,6 +227,14 @@
Attr.getSpellingListIndex());
}
+static void
+instantiateDependentModeAttr(Sema &S,
+ const MultiLevelTemplateArgumentList &TemplateArgs,
+ const ModeAttr &Attr, Decl *New) {
+ S.AddModeAttr(Attr.getRange(), New, Attr.getMode(),
+ Attr.getSpellingListIndex(), /*InInstantiation=*/true);
+}
+
void Sema::InstantiateAttrs(const MultiLevelTemplateArgumentList &TemplateArgs,
const Decl *Tmpl, Decl *New,
LateInstantiatedAttrVec *LateAttrs,
@@ -265,6 +273,11 @@
continue;
}
+ if (const ModeAttr *Mode = dyn_cast<ModeAttr>(TmplAttr)) {
+ instantiateDependentModeAttr(*this, TemplateArgs, *Mode, New);
+ continue;
+ }
+
// Existing DLL attribute on the instantiation takes precedence.
if (TmplAttr->getKind() == attr::DLLExport ||
TmplAttr->getKind() == attr::DLLImport) {