[cfe-commits] r124543 - /cfe/trunk/test/CodeGenCXX/rtti-visibility.cpp

[Anders Carlsson]

Author: andersca
Date: Sat Jan 29 13:52:22 2011
New Revision: 124543

URL: http://llvm.org/viewvc/llvm-project?rev=124543&view=rev
Log:
Add a test for RTTI visibility.

Added:
    cfe/trunk/test/CodeGenCXX/rtti-visibility.cpp

Added: cfe/trunk/test/CodeGenCXX/rtti-visibility.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/rtti-visibility.cpp?rev=124543&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenCXX/rtti-visibility.cpp (added)
+++ cfe/trunk/test/CodeGenCXX/rtti-visibility.cpp Sat Jan 29 13:52:22 2011
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o %t
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -fhidden-weak-vtables -emit-llvm -o %t.hidden
+// RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t
+// RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t
+// RUN: FileCheck --check-prefix=CHECK-TEST2-HIDDEN %s < %t.hidden
+
+#include <typeinfo>
+
+namespace Test1 {
+  // A is explicitly marked hidden, so all RTTI data should also be marked hidden.
+  // CHECK-TEST1: @_ZTSN5Test11AE = linkonce_odr hidden constant
+  // CHECK-TEST1: @_ZTIN5Test11AE = linkonce_odr hidden unnamed_addr constant
+  // CHECK-TEST1: @_ZTSPN5Test11AE = linkonce_odr hidden constant
+  // CHECK-TEST1: @_ZTIPN5Test11AE = linkonce_odr hidden unnamed_addr constant
+  struct __attribute__((visibility("hidden"))) A { };
+
+  void f() {
+    (void)typeid(A);
+    (void)typeid(A *);
+  }
+}
+
+namespace Test2 {
+  // A is weak, so its linkage should be linkoce_odr, but not marked hidden.
+  // CHECK-TEST2: @_ZTSN5Test21AE = linkonce_odr constant
+  // CHECK-TEST2: @_ZTIN5Test21AE = linkonce_odr unnamed_addr constant
+  struct A { };
+
+  // With -fhidden-weak-vtables, the typeinfo for A is marked hidden, but not its name.
+  // CHECK-TEST2-HIDDEN: _ZTSN5Test21AE = linkonce_odr constant
+  // CHECK-TEST2-HIDDEN: @_ZTIN5Test21AE = linkonce_odr hidden unnamed_addr constant
+  void f() {
+    (void)typeid(A);
+  }
+}