forked from OSchip/llvm-project
111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
// RUN: %clang_cc1 -fvisibility-inlines-hidden -emit-llvm -o - %s -O2 -disable-llvm-optzns | FileCheck %s
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// The trickery with optimization in the run line is to get IR
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// generation to emit available_externally function bodies, but not
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// actually inline them (and thus remove the emitted bodies).
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struct X0 {
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void __attribute__((visibility("default"))) f1() { }
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void f2() { }
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void f3();
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static void f5() { }
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virtual void f6() { }
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};
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inline void X0::f3() { }
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template<typename T>
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struct X1 {
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void __attribute__((visibility("default"))) f1() { }
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void f2() { }
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void f3();
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void f4();
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static void f5() { }
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virtual void f6() { }
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};
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template<typename T>
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inline void X1<T>::f3() { }
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template<>
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inline void X1<int>::f4() { }
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struct __attribute__((visibility("default"))) X2 {
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void f2() { }
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};
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extern template struct X1<float>;
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void use(X0 *x0, X1<int> *x1, X2 *x2, X1<float> *x3) {
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// CHECK: define linkonce_odr void @_ZN2X02f1Ev
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x0->f1();
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// CHECK: define linkonce_odr hidden void @_ZN2X02f2Ev
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x0->f2();
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// CHECK: define linkonce_odr hidden void @_ZN2X02f3Ev
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x0->f3();
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// CHECK: define linkonce_odr hidden void @_ZN2X02f5Ev
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X0::f5();
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// CHECK: define linkonce_odr hidden void @_ZN2X02f6Ev
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x0->X0::f6();
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// CHECK: define linkonce_odr void @_ZN2X1IiE2f1Ev
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x1->f1();
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// CHECK: define linkonce_odr hidden void @_ZN2X1IiE2f2Ev
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x1->f2();
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// CHECK: define linkonce_odr hidden void @_ZN2X1IiE2f3Ev
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x1->f3();
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// CHECK: define linkonce_odr hidden void @_ZN2X1IiE2f4Ev
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x1->f4();
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// CHECK: define linkonce_odr hidden void @_ZN2X1IiE2f5Ev
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X1<int>::f5();
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// CHECK: define linkonce_odr hidden void @_ZN2X1IiE2f6Ev
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x1->X1::f6();
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// CHECK: define linkonce_odr hidden void @_ZN2X22f2Ev
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x2->f2();
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// CHECK: define available_externally void @_ZN2X1IfE2f2Ev
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x3->f2();
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}
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// rdar://problem/8614470
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namespace test1 {
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struct __attribute__((visibility("default"))) A {
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inline void foo();
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~A();
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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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}
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// CHECK: declare void @_ZN5test11A3fooEv
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// CHECK: declare {{.*}} @_ZN5test11AD1Ev
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}
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// PR8713
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namespace test2 {
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struct A {};
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template <class T> class B {};
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typedef B<A> arg;
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namespace ns __attribute__((visibility("default"))) {
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template <class T> inline void foo() {}
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extern template void foo<arg>();
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}
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void test() {
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ns::foo<arg>();
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}
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// CHECK: define available_externally void @_ZN5test22ns3fooINS_1BINS_1AEEEEEvv()
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}
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namespace PR11642 {
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template <typename T>
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class Foo {
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public:
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T foo(T x) { return x; }
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};
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extern template class Foo<int>;
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template class Foo<int>;
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// CHECK: define weak_odr i32 @_ZN7PR116423FooIiE3fooEi
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}
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