When using a symbol with attribute weakref, search for it first and

don't try the normal GetOrCreateLLVM. The latter could drop the weak
atrtibute on the second reference, if there is no explicit declaration
of the aliasee.

llvm-svn: 166032

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/test/CodeGen/attr-weakref.c b/clang/test/CodeGen/attr-weakref.c
index c1cc03b668d..560d39141ca 100644
--- a/clang/test/CodeGen/attr-weakref.c
+++ b/clang/test/CodeGen/attr-weakref.c
@@ -53,6 +53,12 @@ void test6_foo(void) {
   test6_f();
 }
 
+// CHECK: declare extern_weak void @test8_f()
+static void test8_g(void) __attribute__((weakref("test8_f")));
+void test8_h(void) {
+  if (test8_g)
+    test8_g();
+}
 // CHECK: declare extern_weak void @test7_f()
 void test7_f(void);
 static void test7_g(void) __attribute__((weakref("test7_f")));