Give explicit template instantiations weak ODR linkage. Former
iterations of this patch gave explicit template instantiation
link-once ODR linkage, which permitted the back end to eliminate
unused symbols. Weak ODR linkage still requires the symbols to be
generated.
llvm-svn: 98441
diff --git a/clang/test/CodeGenCXX/template-linkage.cpp b/clang/test/CodeGenCXX/template-linkage.cpp
index 5d573d6..ccd61a7 100644
--- a/clang/test/CodeGenCXX/template-linkage.cpp
+++ b/clang/test/CodeGenCXX/template-linkage.cpp
@@ -6,19 +6,19 @@
// Explicit instantiations have external linkage.
-// CHECK: define void @_ZN1AIiE1gEv(
+// CHECK: define weak_odr void @_ZN1AIiE1gEv(
template void A<int>::g();
-// CHECK: define void @_ZN1AIfE1fEf(
-// CHECK: define void @_ZN1AIfE1gEv(
+// CHECK: define weak_odr void @_ZN1AIfE1fEf(
+// CHECK: define weak_odr void @_ZN1AIfE1gEv(
// FIXME: This should also emit the vtable.
template struct A<float>;
-// CHECK: define void @_Z1fIiEvT_
+// CHECK: define weak_odr void @_Z1fIiEvT_
template <typename T> void f(T) { }
template void f<int>(int);
-// CHECK: define void @_Z1gIiEvT_
+// CHECK: define weak_odr void @_Z1gIiEvT_
template <typename T> inline void g(T) { }
template void g<int>(int);