if (!RD->isExternallyVisible())
return 0;
- // Template instantiations don't have key functions,see Itanium C++ ABI 5.2.6.
+ // Template instantiations don't have key functions per Itanium C++ ABI 5.2.6.
// Same behavior as GCC.
TemplateSpecializationKind TSK = RD->getTemplateSpecializationKind();
if (TSK == TSK_ImplicitInstantiation ||
+ TSK == TSK_ExplicitInstantiationDeclaration ||
TSK == TSK_ExplicitInstantiationDefinition)
return 0;
//
// CHECK-NOT: @_ZTVN5test118stdio_sync_filebufIwEE = constant
// CHECK-NOT: _ZTVN5test315basic_fstreamXXIcEE
-// CHECK: @_ZTVN5test018stdio_sync_filebufIwEE = unnamed_addr constant
+// CHECK-NOT: @_ZTVN5test018stdio_sync_filebufIA1_iEE
+// CHECK-NOT: @_ZTVN5test018stdio_sync_filebufIA2_iEE
+// CHECK: @_ZTVN5test018stdio_sync_filebufIA3_iEE = weak_odr unnamed_addr constant
// CHECK: @_ZN7PR100011SIiE3arrE = weak_odr global [3 x i32]
// CHECK-NOT: @_ZN7PR100011SIiE3arr2E = weak_odr global [3 x i32]A
+// CHECK: @_ZTVN5test018stdio_sync_filebufIA4_iEE = linkonce_odr unnamed_addr constant
+
// CHECK-NOT: _ZTVN5test31SIiEE
// CHECK-NOT: _ZTSN5test31SIiEE
virtual void xsgetn();
};
- // This specialization should cause the vtable to be emitted, even with
- // the following extern template declaration.
- template<> void stdio_sync_filebuf<wchar_t>::xsgetn() {
+ // This specialization is not a key function, so doesn't cause the vtable to
+ // be instantiated unless we're instantiating a class definition anyway.
+ template<> void stdio_sync_filebuf<int[1]>::xsgetn() {
+ }
+ template<> void stdio_sync_filebuf<int[2]>::xsgetn() {
+ }
+ template<> void stdio_sync_filebuf<int[3]>::xsgetn() {
}
- extern template class stdio_sync_filebuf<wchar_t>;
+ template<> void stdio_sync_filebuf<int[4]>::xsgetn() {
+ }
+ extern template class stdio_sync_filebuf<int[2]>;
+
+ // These two both cause vtables to be emitted.
+ template class stdio_sync_filebuf<int[3]>;
+ stdio_sync_filebuf<int[4]> implicit_instantiation;
}
namespace test1 {