Implement RTTI generation for Objective C types. Fixes PR7864.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110900 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenObjCXX/rtti.mm b/test/CodeGenObjCXX/rtti.mm
new file mode 100644
index 0000000..d24eaa6
--- /dev/null
+++ b/test/CodeGenObjCXX/rtti.mm
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
+
+// PR7864. This all follows GCC's lead.
+
+namespace std { class type_info; }
+
+// CHECK: @_ZTI1A = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv117__class_type_infoE{{.*}}@_ZTS1A
+@interface A
+@end
+
+// CHECK: @_ZTI1B = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv120__si_class_type_infoE{{.*}}@_ZTS1B{{.*}}@_ZTI1A
+@interface B : A
+@end
+
+// CHECK: @_ZTIP1B = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv119__pointer_type_infoE{{.*}}@_ZTSP1B{{.*}}), i32 0, {{.*}}@_ZTI1B
+// CHECK: @_ZTI11objc_object = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv117__class_type_infoE{{.*}}@_ZTS11objc_object
+// CHECK: @_ZTIP11objc_object = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv119__pointer_type_infoE{{.*}}@_ZTSP11objc_object{{.*}}@_ZTI11objc_object
+// CHECK: @_ZTI10objc_class = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv117__class_type_infoE{{.*}}@_ZTS10objc_class
+// CHECK: @_ZTIP10objc_class = weak_odr hidden constant {{.*}}@_ZTVN10__cxxabiv119__pointer_type_infoE{{.*}}@_ZTSP10objc_class{{.*}}@_ZTI10objc_class
+
+@protocol P;
+
+int main() {
+ // CHECK: store {{.*}} @_ZTIP1B
+ // CHECK: store {{.*}} @_ZTI1B
+ const std::type_info &t1 = typeid(B*);
+ const std::type_info &t2 = typeid(B);
+
+ // CHECK: store {{.*}} @_ZTIP11objc_object
+ // CHECK: store {{.*}} @_ZTI11objc_object
+ id i = 0;
+ const std::type_info &t3 = typeid(i);
+ const std::type_info &t4 = typeid(*i);
+
+ // CHECK: store {{.*}} @_ZTIP10objc_class
+ // CHECK: store {{.*}} @_ZTI10objc_class
+ Class c = 0;
+ const std::type_info &t5 = typeid(c);
+ const std::type_info &t6 = typeid(*c);
+
+ // CHECK: store {{.*}} @_ZTIP11objc_object
+ // CHECK: store {{.*}} @_ZTI11objc_object
+ id<P> i2 = 0;
+ const std::type_info &t7 = typeid(i2);
+ const std::type_info &t8 = typeid(*i2);
+
+ // CHECK: store {{.*}} @_ZTIP10objc_class
+ // CHECK: store {{.*}} @_ZTI10objc_class
+ Class<P> c2 = 0;
+ const std::type_info &t9 = typeid(c2);
+ const std::type_info &t10 = typeid(*c2);
+}