зеркало из https://github.com/microsoft/clang-1.git
457 строки
11 KiB
C++
457 строки
11 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
|
|
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -fvisibility hidden -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-HIDDEN
|
|
|
|
#define HIDDEN __attribute__((visibility("hidden")))
|
|
#define PROTECTED __attribute__((visibility("protected")))
|
|
#define DEFAULT __attribute__((visibility("default")))
|
|
|
|
// CHECK: @_ZN5Test425VariableInHiddenNamespaceE = hidden global i32 10
|
|
// CHECK: @_ZN5Test71aE = hidden global
|
|
// CHECK: @_ZN5Test71bE = global
|
|
// CHECK: @test9_var = global
|
|
// CHECK-HIDDEN: @test9_var = global
|
|
// CHECK: @_ZN6Test121A6hiddenE = external hidden global
|
|
// CHECK: @_ZN6Test121A7visibleE = external global
|
|
// CHECK-HIDDEN: @_ZN6Test121A6hiddenE = external hidden global
|
|
// CHECK-HIDDEN: @_ZN6Test121A7visibleE = external global
|
|
// CHECK: @_ZN6Test131B1aE = hidden global
|
|
// CHECK: @_ZN6Test131C1aE = global
|
|
// CHECK-HIDDEN: @_ZN6Test131B1aE = hidden global
|
|
// CHECK-HIDDEN: @_ZN6Test131C1aE = global
|
|
// CHECK: @_ZN6Test143varE = external global
|
|
// CHECK-HIDDEN: @_ZN6Test143varE = external global
|
|
// CHECK: @_ZN6Test154TempINS_1AEE5Inner6bufferE = external global [0 x i8]
|
|
// CHECK-HIDDEN: @_ZN6Test154TempINS_1AEE5Inner6bufferE = external global [0 x i8]
|
|
// CHECK: @_ZZN6Test193fooIiEEvvE1a = linkonce_odr global
|
|
// CHECK: @_ZGVZN6Test193fooIiEEvvE1a = linkonce_odr global i64
|
|
// CHECK-HIDDEN: @_ZZN6Test193fooIiEEvvE1a = linkonce_odr hidden global
|
|
// CHECK-HIDDEN: @_ZGVZN6Test193fooIiEEvvE1a = linkonce_odr hidden global i64
|
|
// CHECK-HIDDEN: @_ZTTN6Test161AIcEE = external unnamed_addr constant
|
|
// CHECK-HIDDEN: @_ZTVN6Test161AIcEE = external unnamed_addr constant
|
|
// CHECK: @_ZTVN5Test63fooE = linkonce_odr hidden unnamed_addr 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() {}
|
|
}
|
|
|
|
namespace Test7 {
|
|
class HIDDEN A {};
|
|
A a; // top of file
|
|
|
|
template <A&> struct Aref {
|
|
static void foo() {}
|
|
};
|
|
|
|
class B : public A {};
|
|
B b; // top of file
|
|
|
|
// CHECK: define linkonce_odr hidden void @_ZN5Test74ArefILZNS_1aEEE3fooEv()
|
|
void test() {
|
|
Aref<a>::foo();
|
|
}
|
|
}
|
|
|
|
namespace Test8 {
|
|
void foo();
|
|
void bar() {}
|
|
// CHECK-HIDDEN: define hidden void @_ZN5Test83barEv()
|
|
// CHECK-HIDDEN: declare void @_ZN5Test83fooEv()
|
|
|
|
void test() {
|
|
foo();
|
|
bar();
|
|
}
|
|
}
|
|
|
|
// PR8457
|
|
namespace Test9 {
|
|
extern "C" {
|
|
struct A { int field; };
|
|
void DEFAULT test9_fun(struct A *a) { }
|
|
struct A DEFAULT test9_var; // above
|
|
}
|
|
// CHECK: define void @test9_fun(
|
|
// CHECK-HIDDEN: define void @test9_fun(
|
|
|
|
void test() {
|
|
A a = test9_var;
|
|
test9_fun(&a);
|
|
}
|
|
}
|
|
|
|
// PR8478
|
|
namespace Test10 {
|
|
struct A;
|
|
|
|
DEFAULT class B {
|
|
void foo(A*);
|
|
};
|
|
|
|
// CHECK: define void @_ZN6Test101B3fooEPNS_1AE(
|
|
// CHECK-HIDDEN: define void @_ZN6Test101B3fooEPNS_1AE(
|
|
void B::foo(A*) {}
|
|
}
|
|
|
|
// PR8492
|
|
namespace Test11 {
|
|
struct A {
|
|
void foo() {}
|
|
void DEFAULT bar() {}
|
|
};
|
|
|
|
void test() {
|
|
A a;
|
|
a.foo();
|
|
a.bar();
|
|
}
|
|
|
|
// CHECK: define linkonce_odr void @_ZN6Test111A3fooEv(
|
|
// CHECK: define linkonce_odr void @_ZN6Test111A3barEv(
|
|
// CHECK-HIDDEN: define linkonce_odr hidden void @_ZN6Test111A3fooEv(
|
|
// CHECK-HIDDEN: define linkonce_odr void @_ZN6Test111A3barEv(
|
|
}
|
|
|
|
// Tested at top of file.
|
|
namespace Test12 {
|
|
struct A {
|
|
// This is hidden in all cases: the explicit attribute takes
|
|
// priority over -fvisibility on the parent.
|
|
static int hidden HIDDEN;
|
|
|
|
// This is default in all cases because it's only a declaration.
|
|
static int visible;
|
|
};
|
|
|
|
void test() {
|
|
A::hidden = 0;
|
|
A::visible = 0;
|
|
}
|
|
}
|
|
|
|
// Tested at top of file.
|
|
namespace Test13 {
|
|
struct HIDDEN A {};
|
|
|
|
// Should be hidden in all cases.
|
|
struct B {
|
|
static A a;
|
|
};
|
|
A B::a;
|
|
|
|
// Should be default in all cases.
|
|
struct DEFAULT C {
|
|
static A a;
|
|
};
|
|
A C::a;
|
|
};
|
|
|
|
// Tested at top of file.
|
|
namespace Test14 {
|
|
// Neither the visibility of the type nor -fvisibility=hidden should
|
|
// apply to declarations.
|
|
extern struct A *var;
|
|
|
|
struct A *test() { return var; }
|
|
}
|
|
|
|
// rdar://problem/8613093
|
|
namespace Test15 {
|
|
struct A {};
|
|
template <class T> struct Temp {
|
|
struct Inner {
|
|
static char buffer[0];
|
|
};
|
|
};
|
|
|
|
char *test() {
|
|
return Temp<A>::Inner::buffer;
|
|
}
|
|
}
|
|
|
|
namespace Test16 {
|
|
struct Base1 { virtual void foo(); };
|
|
struct Base2 : virtual Base1 { virtual void foo(); };
|
|
template <class T> struct A : virtual Base1, Base2 {
|
|
virtual void foo();
|
|
};
|
|
extern template struct A<char>;
|
|
|
|
void test() {
|
|
A<char> a;
|
|
a.foo();
|
|
}
|
|
}
|
|
|
|
namespace Test17 {
|
|
struct HIDDEN A {
|
|
static void foo();
|
|
static void DEFAULT bar();
|
|
static void HIDDEN baz();
|
|
|
|
struct DEFAULT B {
|
|
static void foo();
|
|
static void DEFAULT bar();
|
|
static void HIDDEN baz();
|
|
};
|
|
};
|
|
|
|
void test() {
|
|
A::foo();
|
|
A::bar();
|
|
A::baz();
|
|
A::B::foo();
|
|
A::B::bar();
|
|
A::B::baz();
|
|
}
|
|
// CHECK: declare hidden void @_ZN6Test171A3fooEv()
|
|
// CHECK: declare void @_ZN6Test171A3barEv()
|
|
// CHECK: declare hidden void @_ZN6Test171A3bazEv()
|
|
// CHECK: declare void @_ZN6Test171A1B3fooEv()
|
|
// CHECK: declare void @_ZN6Test171A1B3barEv()
|
|
// CHECK: declare hidden void @_ZN6Test171A1B3bazEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test171A3fooEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6Test171A3barEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test171A3bazEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6Test171A1B3fooEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6Test171A1B3barEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test171A1B3bazEv()
|
|
}
|
|
|
|
namespace Test18 {
|
|
template <class T> struct HIDDEN A {
|
|
static void foo();
|
|
static void DEFAULT bar();
|
|
static void HIDDEN baz();
|
|
|
|
struct DEFAULT B {
|
|
static void foo();
|
|
static void DEFAULT bar();
|
|
static void HIDDEN baz();
|
|
};
|
|
};
|
|
struct HIDDEN H;
|
|
|
|
void test() {
|
|
A<int>::foo();
|
|
A<int>::bar();
|
|
A<int>::baz();
|
|
A<int>::B::foo();
|
|
A<int>::B::bar();
|
|
A<int>::B::baz();
|
|
A<H>::foo();
|
|
A<H>::bar();
|
|
A<H>::baz();
|
|
A<H>::B::foo();
|
|
A<H>::B::bar();
|
|
A<H>::B::baz();
|
|
}
|
|
// CHECK: declare hidden void @_ZN6Test181AIiE3fooEv()
|
|
// CHECK: declare void @_ZN6Test181AIiE3barEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AIiE3bazEv()
|
|
// CHECK: declare void @_ZN6Test181AIiE1B3fooEv()
|
|
// CHECK: declare void @_ZN6Test181AIiE1B3barEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AIiE1B3bazEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AINS_1HEE3fooEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AINS_1HEE3barEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AINS_1HEE3bazEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AINS_1HEE1B3fooEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AINS_1HEE1B3barEv()
|
|
// CHECK: declare hidden void @_ZN6Test181AINS_1HEE1B3bazEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AIiE3fooEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6Test181AIiE3barEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AIiE3bazEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6Test181AIiE1B3fooEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6Test181AIiE1B3barEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AIiE1B3bazEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE3fooEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE3barEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE3bazEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE1B3fooEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE1B3barEv()
|
|
// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE1B3bazEv()
|
|
}
|
|
|
|
namespace Test19 {
|
|
struct A { A(); ~A(); };
|
|
|
|
// Tested at top of file.
|
|
template <class T> void foo() {
|
|
static A a;
|
|
}
|
|
|
|
void test() {
|
|
foo<int>();
|
|
}
|
|
}
|
|
|
|
// Various things with class template specializations.
|
|
namespace Test20 {
|
|
template <unsigned> struct HIDDEN A {};
|
|
|
|
// An explicit specialization inherits the explicit visibility of
|
|
// the template.
|
|
template <> struct A<0> {
|
|
static void test0();
|
|
static void test1();
|
|
};
|
|
|
|
// CHECK: define hidden void @_ZN6Test201AILj0EE5test0Ev()
|
|
void A<0>::test0() {}
|
|
|
|
// CHECK: declare hidden void @_ZN6Test201AILj0EE5test1Ev()
|
|
void test1() {
|
|
A<0>::test1();
|
|
}
|
|
|
|
// ...unless that's explicitly overridden.
|
|
template <> struct DEFAULT A<1> {
|
|
static void test2();
|
|
static void test3();
|
|
};
|
|
|
|
// CHECK: define void @_ZN6Test201AILj1EE5test2Ev()
|
|
void A<1>::test2() {}
|
|
|
|
// CHECK: declare void @_ZN6Test201AILj1EE5test3Ev()
|
|
void test3() {
|
|
A<1>::test3();
|
|
}
|
|
|
|
// <rdar://problem/8778497>
|
|
// But we should assume that an unknown specialization has the
|
|
// explicit visibility settings of the template.
|
|
template <class T> struct B {
|
|
static void test4() {}
|
|
static void test5();
|
|
};
|
|
|
|
// CHECK: define linkonce_odr hidden void @_ZN6Test201BINS_1AILj2EEEE5test4Ev()
|
|
void test4() {
|
|
B<A<2> >::test4();
|
|
}
|
|
|
|
// CHECK: declare void @_ZN6Test201BINS_1AILj2EEEE5test5Ev()
|
|
// (but explicit visibility on a template argument doesn't count as
|
|
// explicit visibility for the template for purposes of deciding
|
|
// whether an external symbol gets visibility)
|
|
void test5() {
|
|
B<A<2> >::test5();
|
|
}
|
|
}
|
|
|
|
// PR9371
|
|
namespace test21 {
|
|
enum En { en };
|
|
template<En> struct A {
|
|
__attribute__((visibility("default"))) void foo() {}
|
|
};
|
|
|
|
// CHECK: define weak_odr void @_ZN6test211AILNS_2EnE0EE3fooEv(
|
|
template void A<en>::foo();
|
|
}
|
|
|
|
// rdar://problem/9616154
|
|
// Visibility on explicit specializations should take precedence.
|
|
namespace test22 {
|
|
class A1 {};
|
|
class A2 {};
|
|
|
|
template <class T> struct B {};
|
|
template <> struct DEFAULT B<A1> {
|
|
static void foo();
|
|
static void bar() {}
|
|
};
|
|
template <> struct B<A2> {
|
|
static void foo();
|
|
static void bar() {}
|
|
};
|
|
|
|
void test() {
|
|
B<A1>::foo();
|
|
B<A1>::bar();
|
|
B<A2>::foo();
|
|
B<A2>::bar();
|
|
}
|
|
// CHECK: declare void @_ZN6test221BINS_2A1EE3fooEv()
|
|
// CHECK: define linkonce_odr void @_ZN6test221BINS_2A1EE3barEv()
|
|
// CHECK: declare void @_ZN6test221BINS_2A2EE3fooEv()
|
|
// CHECK: define linkonce_odr void @_ZN6test221BINS_2A2EE3barEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6test221BINS_2A1EE3fooEv()
|
|
// CHECK-HIDDEN: define linkonce_odr void @_ZN6test221BINS_2A1EE3barEv()
|
|
// CHECK-HIDDEN: declare void @_ZN6test221BINS_2A2EE3fooEv()
|
|
// CHECK-HIDDEN: define linkonce_odr hidden void @_ZN6test221BINS_2A2EE3barEv()
|
|
}
|