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Add a test for RTTI visibility. 

llvm-svn: 124543
This commit is contained in:
Anders Carlsson 2011-01-29 19:52:22 +00:00
parent 072ef7420a
commit caea35dce2
1 changed files with 35 additions and 0 deletions
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35
clang/test/CodeGenCXX/rtti-visibility.cpp Normal file
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// 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);
}
}