forked from OSchip/llvm-project
425 lines
10 KiB
C++
425 lines
10 KiB
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -fvisibility hidden -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-HIDDEN
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#define HIDDEN __attribute__((visibility("hidden")))
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#define PROTECTED __attribute__((visibility("protected")))
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#define DEFAULT __attribute__((visibility("default")))
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// CHECK: @_ZN5Test425VariableInHiddenNamespaceE = hidden global i32 10
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// CHECK: @_ZN5Test71aE = hidden global
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// CHECK: @_ZN5Test71bE = global
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// CHECK: @test9_var = global
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// CHECK-HIDDEN: @test9_var = global
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// CHECK: @_ZN6Test121A6hiddenE = external hidden global
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// CHECK: @_ZN6Test121A7visibleE = external global
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// CHECK-HIDDEN: @_ZN6Test121A6hiddenE = external hidden global
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// CHECK-HIDDEN: @_ZN6Test121A7visibleE = external global
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// CHECK: @_ZN6Test131B1aE = hidden global
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// CHECK: @_ZN6Test131C1aE = global
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// CHECK-HIDDEN: @_ZN6Test131B1aE = hidden global
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// CHECK-HIDDEN: @_ZN6Test131C1aE = global
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// CHECK: @_ZN6Test143varE = external global
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// CHECK-HIDDEN: @_ZN6Test143varE = external global
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// CHECK: @_ZN6Test154TempINS_1AEE5Inner6bufferE = external global [0 x i8]
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// CHECK-HIDDEN: @_ZN6Test154TempINS_1AEE5Inner6bufferE = external global [0 x i8]
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// CHECK: @_ZZN6Test193fooIiEEvvE1a = linkonce_odr global
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// CHECK: @_ZGVZN6Test193fooIiEEvvE1a = linkonce_odr global i64
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// CHECK-HIDDEN: @_ZZN6Test193fooIiEEvvE1a = linkonce_odr hidden global
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// CHECK-HIDDEN: @_ZGVZN6Test193fooIiEEvvE1a = linkonce_odr hidden global i64
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// CHECK-HIDDEN: @_ZTTN6Test161AIcEE = external unnamed_addr constant
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// CHECK-HIDDEN: @_ZTVN6Test161AIcEE = external unnamed_addr constant
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// CHECK: @_ZTVN5Test63fooE = linkonce_odr hidden unnamed_addr constant
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namespace Test1 {
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// CHECK: define hidden void @_ZN5Test11fEv
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void HIDDEN f() { }
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}
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namespace Test2 {
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struct HIDDEN A {
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void f();
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};
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// A::f is a member function of a hidden class.
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// CHECK: define hidden void @_ZN5Test21A1fEv
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void A::f() { }
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}
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namespace Test3 {
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struct HIDDEN A {
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struct B {
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void f();
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};
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};
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// B is a nested class where its parent class is hidden.
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// CHECK: define hidden void @_ZN5Test31A1B1fEv
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void A::B::f() { }
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}
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namespace Test4 HIDDEN {
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int VariableInHiddenNamespace = 10;
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// Test4::g is in a hidden namespace.
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// CHECK: define hidden void @_ZN5Test41gEv
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void g() { }
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struct DEFAULT A {
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void f();
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};
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// A has default visibility.
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// CHECK: define void @_ZN5Test41A1fEv
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void A::f() { }
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}
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namespace Test5 {
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namespace NS HIDDEN {
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// f is in NS which is hidden.
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// CHECK: define hidden void @_ZN5Test52NS1fEv()
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void f() { }
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}
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namespace NS {
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// g is in NS, but this NS decl is not hidden.
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// CHECK: define void @_ZN5Test52NS1gEv
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void g() { }
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}
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}
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// <rdar://problem/8091955>
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namespace Test6 {
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struct HIDDEN foo {
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foo() { }
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void bonk();
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virtual void bar() = 0;
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virtual void zonk() {}
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};
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struct barc : public foo {
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barc();
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virtual void bar();
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};
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barc::barc() {}
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}
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namespace Test7 {
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class HIDDEN A {};
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A a; // top of file
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template <A&> struct Aref {
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static void foo() {}
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};
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class B : public A {};
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B b; // top of file
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// CHECK: define linkonce_odr hidden void @_ZN5Test74ArefILZNS_1aEEE3fooEv()
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void test() {
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Aref<a>::foo();
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}
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}
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namespace Test8 {
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void foo();
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void bar() {}
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// CHECK-HIDDEN: define hidden void @_ZN5Test83barEv()
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// CHECK-HIDDEN: declare void @_ZN5Test83fooEv()
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void test() {
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foo();
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bar();
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}
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}
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// PR8457
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namespace Test9 {
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extern "C" {
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struct A { int field; };
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void DEFAULT test9_fun(struct A *a) { }
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struct A DEFAULT test9_var; // above
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}
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// CHECK: define void @test9_fun(
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// CHECK-HIDDEN: define void @test9_fun(
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void test() {
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A a = test9_var;
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test9_fun(&a);
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}
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}
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// PR8478
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namespace Test10 {
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struct A;
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DEFAULT class B {
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void foo(A*);
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};
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// CHECK: define void @_ZN6Test101B3fooEPNS_1AE(
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// CHECK-HIDDEN: define void @_ZN6Test101B3fooEPNS_1AE(
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void B::foo(A*) {}
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}
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// PR8492
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namespace Test11 {
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struct A {
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void foo() {}
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void DEFAULT bar() {}
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};
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void test() {
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A a;
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a.foo();
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a.bar();
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}
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// CHECK: define linkonce_odr void @_ZN6Test111A3fooEv(
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// CHECK: define linkonce_odr void @_ZN6Test111A3barEv(
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// CHECK-HIDDEN: define linkonce_odr hidden void @_ZN6Test111A3fooEv(
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// CHECK-HIDDEN: define linkonce_odr void @_ZN6Test111A3barEv(
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}
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// Tested at top of file.
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namespace Test12 {
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struct A {
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// This is hidden in all cases: the explicit attribute takes
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// priority over -fvisibility on the parent.
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static int hidden HIDDEN;
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// This is default in all cases because it's only a declaration.
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static int visible;
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};
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void test() {
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A::hidden = 0;
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A::visible = 0;
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}
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}
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// Tested at top of file.
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namespace Test13 {
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struct HIDDEN A {};
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// Should be hidden in all cases.
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struct B {
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static A a;
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};
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A B::a;
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// Should be default in all cases.
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struct DEFAULT C {
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static A a;
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};
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A C::a;
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};
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// Tested at top of file.
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namespace Test14 {
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// Neither the visibility of the type nor -fvisibility=hidden should
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// apply to declarations.
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extern struct A *var;
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struct A *test() { return var; }
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}
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// rdar://problem/8613093
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namespace Test15 {
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struct A {};
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template <class T> struct Temp {
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struct Inner {
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static char buffer[0];
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};
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};
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char *test() {
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return Temp<A>::Inner::buffer;
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}
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}
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namespace Test16 {
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struct Base1 { virtual void foo(); };
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struct Base2 : virtual Base1 { virtual void foo(); };
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template <class T> struct A : virtual Base1, Base2 {
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virtual void foo();
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};
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extern template struct A<char>;
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void test() {
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A<char> a;
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a.foo();
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}
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}
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namespace Test17 {
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struct HIDDEN A {
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static void foo();
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static void DEFAULT bar();
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static void HIDDEN baz();
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struct DEFAULT B {
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static void foo();
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static void DEFAULT bar();
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static void HIDDEN baz();
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};
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};
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void test() {
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A::foo();
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A::bar();
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A::baz();
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A::B::foo();
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A::B::bar();
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A::B::baz();
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}
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// CHECK: declare hidden void @_ZN6Test171A3fooEv()
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// CHECK: declare void @_ZN6Test171A3barEv()
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// CHECK: declare hidden void @_ZN6Test171A3bazEv()
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// CHECK: declare void @_ZN6Test171A1B3fooEv()
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// CHECK: declare void @_ZN6Test171A1B3barEv()
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// CHECK: declare hidden void @_ZN6Test171A1B3bazEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test171A3fooEv()
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// CHECK-HIDDEN: declare void @_ZN6Test171A3barEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test171A3bazEv()
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// CHECK-HIDDEN: declare void @_ZN6Test171A1B3fooEv()
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// CHECK-HIDDEN: declare void @_ZN6Test171A1B3barEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test171A1B3bazEv()
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}
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namespace Test18 {
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template <class T> struct HIDDEN A {
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static void foo();
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static void DEFAULT bar();
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static void HIDDEN baz();
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struct DEFAULT B {
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static void foo();
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static void DEFAULT bar();
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static void HIDDEN baz();
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};
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};
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struct HIDDEN H;
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void test() {
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A<int>::foo();
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A<int>::bar();
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A<int>::baz();
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A<int>::B::foo();
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A<int>::B::bar();
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A<int>::B::baz();
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A<H>::foo();
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A<H>::bar();
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A<H>::baz();
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A<H>::B::foo();
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A<H>::B::bar();
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A<H>::B::baz();
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}
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// CHECK: declare hidden void @_ZN6Test181AIiE3fooEv()
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// CHECK: declare void @_ZN6Test181AIiE3barEv()
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// CHECK: declare hidden void @_ZN6Test181AIiE3bazEv()
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// CHECK: declare void @_ZN6Test181AIiE1B3fooEv()
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// CHECK: declare void @_ZN6Test181AIiE1B3barEv()
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// CHECK: declare hidden void @_ZN6Test181AIiE1B3bazEv()
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// CHECK: declare hidden void @_ZN6Test181AINS_1HEE3fooEv()
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// CHECK: declare hidden void @_ZN6Test181AINS_1HEE3barEv()
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// CHECK: declare hidden void @_ZN6Test181AINS_1HEE3bazEv()
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// CHECK: declare hidden void @_ZN6Test181AINS_1HEE1B3fooEv()
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// CHECK: declare hidden void @_ZN6Test181AINS_1HEE1B3barEv()
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// CHECK: declare hidden void @_ZN6Test181AINS_1HEE1B3bazEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AIiE3fooEv()
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// CHECK-HIDDEN: declare void @_ZN6Test181AIiE3barEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AIiE3bazEv()
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// CHECK-HIDDEN: declare void @_ZN6Test181AIiE1B3fooEv()
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// CHECK-HIDDEN: declare void @_ZN6Test181AIiE1B3barEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AIiE1B3bazEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE3fooEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE3barEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE3bazEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE1B3fooEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE1B3barEv()
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// CHECK-HIDDEN: declare hidden void @_ZN6Test181AINS_1HEE1B3bazEv()
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}
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namespace Test19 {
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struct A { A(); ~A(); };
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// Tested at top of file.
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template <class T> void foo() {
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static A a;
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}
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void test() {
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foo<int>();
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}
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}
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// Various things with class template specializations.
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namespace Test20 {
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template <unsigned> struct HIDDEN A {};
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// An explicit specialization inherits the explicit visibility of
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// the template.
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template <> struct A<0> {
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static void test0();
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static void test1();
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};
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// CHECK: define hidden void @_ZN6Test201AILj0EE5test0Ev()
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void A<0>::test0() {}
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// CHECK: declare hidden void @_ZN6Test201AILj0EE5test1Ev()
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void test1() {
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A<0>::test1();
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}
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// ...unless that's explicitly overridden.
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template <> struct DEFAULT A<1> {
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static void test2();
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static void test3();
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};
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// CHECK: define void @_ZN6Test201AILj1EE5test2Ev()
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void A<1>::test2() {}
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// CHECK: declare void @_ZN6Test201AILj1EE5test3Ev()
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void test3() {
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A<1>::test3();
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}
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// <rdar://problem/8778497>
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// But we should assume that an unknown specialization has the
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// explicit visibility settings of the template.
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template <class T> struct B {
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static void test4() {}
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static void test5();
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};
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// CHECK: define linkonce_odr hidden void @_ZN6Test201BINS_1AILj2EEEE5test4Ev()
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void test4() {
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B<A<2> >::test4();
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}
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// CHECK: declare void @_ZN6Test201BINS_1AILj2EEEE5test5Ev()
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// (but explicit visibility on a template argument doesn't count as
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// explicit visibility for the template for purposes of deciding
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// whether an external symbol gets visibility)
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void test5() {
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B<A<2> >::test5();
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}
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}
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// PR9371
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namespace test21 {
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enum En { en };
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template<En> struct A {
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__attribute__((visibility("default"))) void foo() {}
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};
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// CHECK: define weak_odr void @_ZN6test211AILNS_2EnE0EE3fooEv(
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template void A<en>::foo();
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}
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