llvm-project/clang/test/CodeGenCXX/visibility.cpp

85 lines
1.7 KiB
C++

// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
#define HIDDEN __attribute__((visibility("hidden")))
#define PROTECTED __attribute__((visibility("protected")))
#define DEFAULT __attribute__((visibility("default")))
// CHECK: @_ZN5Test425VariableInHiddenNamespaceE = hidden global i32 10
// CHECK: @_ZTVN5Test63fooE = weak_odr hidden constant
namespace Test1 {
// CHECK: define hidden void @_ZN5Test11fEv
void HIDDEN f() { }
}
namespace Test2 {
struct HIDDEN A {
void f();
};
// A::f is a member function of a hidden class.
// CHECK: define hidden void @_ZN5Test21A1fEv
void A::f() { }
}
namespace Test3 {
struct HIDDEN A {
struct B {
void f();
};
};
// B is a nested class where its parent class is hidden.
// CHECK: define hidden void @_ZN5Test31A1B1fEv
void A::B::f() { }
}
namespace Test4 HIDDEN {
int VariableInHiddenNamespace = 10;
// Test4::g is in a hidden namespace.
// CHECK: define hidden void @_ZN5Test41gEv
void g() { }
struct DEFAULT A {
void f();
};
// A has default visibility.
// CHECK: define void @_ZN5Test41A1fEv
void A::f() { }
}
namespace Test5 {
namespace NS HIDDEN {
// f is in NS which is hidden.
// CHECK: define hidden void @_ZN5Test52NS1fEv()
void f() { }
}
namespace NS {
// g is in NS, but this NS decl is not hidden.
// CHECK: define void @_ZN5Test52NS1gEv
void g() { }
}
}
// <rdar://problem/8091955>
namespace Test6 {
struct HIDDEN foo {
foo() { }
void bonk();
virtual void bar() = 0;
virtual void zonk() {}
};
struct barc : public foo {
barc();
virtual void bar();
};
barc::barc() {}
}