1 files changed, 88 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/vcall-visibility-metadata.cpp b/clang/test/CodeGenCXX/vcall-visibility-metadata.cpp
new file mode 100644
index 00000000000..7cf48395673
--- /dev/null
+++ b/clang/test/CodeGenCXX/vcall-visibility-metadata.cpp
@@ -0,0 +1,88 @@
+// RUN: %clang_cc1 -flto -flto-unit -triple x86_64-unknown-linux -emit-llvm -fvirtual-function-elimination -fwhole-program-vtables -o - %s | FileCheck %s
+
+
+// Anonymous namespace.
+namespace {
+// CHECK: @_ZTVN12_GLOBAL__N_11AE = {{.*}} !vcall_visibility [[VIS_TU:![0-9]+]]
+struct A {
+  A() {}
+  virtual int f() { return 1; }
+};
+}
+void *construct_A() {
+  return new A();
+}
+
+
+// Hidden visibility.
+// CHECK: @_ZTV1B = {{.*}} !vcall_visibility [[VIS_DSO:![0-9]+]]
+struct __attribute__((visibility("hidden"))) B {
+  B() {}
+  virtual int f() { return 1; }
+};
+B *construct_B() {
+  return new B();
+}
+
+
+// Default visibility.
+// CHECK-NOT: @_ZTV1C = {{.*}} !vcall_visibility
+struct __attribute__((visibility("default"))) C {
+  C() {}
+  virtual int f() { return 1; }
+};
+C *construct_C() {
+  return new C();
+}
+
+
+// Hidden visibility, public LTO visibility.
+// CHECK-NOT: @_ZTV1D = {{.*}} !vcall_visibility
+struct __attribute__((visibility("hidden"))) [[clang::lto_visibility_public]] D {
+  D() {}
+  virtual int f() { return 1; }
+};
+D *construct_D() {
+  return new D();
+}
+
+
+// Hidden visibility, but inherits from class with default visibility.
+// CHECK-NOT: @_ZTV1E = {{.*}} !vcall_visibility
+struct __attribute__((visibility("hidden"))) E : C {
+  E() {}
+  virtual int f() { return 1; }
+};
+E *construct_E() {
+  return new E();
+}
+
+
+// Anonymous namespace, but inherits from class with default visibility.
+// CHECK-NOT: @_ZTVN12_GLOBAL__N_11FE = {{.*}} !vcall_visibility
+namespace {
+struct __attribute__((visibility("hidden"))) F : C {
+  F() {}
+  virtual int f() { return 1; }
+};
+}
+void *construct_F() {
+  return new F();
+}
+
+
+// Anonymous namespace, but inherits from class with hidden visibility.
+// CHECK: @_ZTVN12_GLOBAL__N_11GE = {{.*}} !vcall_visibility [[VIS_DSO:![0-9]+]]
+namespace {
+struct __attribute__((visibility("hidden"))) G : B {
+  G() {}
+  virtual int f() { return 1; }
+};
+}
+void *construct_G() {
+  return new G();
+}
+
+
+// CHECK-DAG: [[VIS_DSO]] = !{i64 1}
+// CHECK-DAG: [[VIS_TU]] = !{i64 2}