140 lines
4.6 KiB
C++
140 lines
4.6 KiB
C++
// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -fhidden-weak-vtables -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -fvisibility hidden -fhidden-weak-vtables -emit-llvm -o - | FileCheck -check-prefix=CHECK-WITH-HIDDEN %s
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#include <typeinfo>
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// CHECK-WITH-HIDDEN: _ZTSFN12_GLOBAL__N_11DEvE = internal constant
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// CHECK-WITH-HIDDEN: @_ZTSPK2T4 = linkonce_odr hidden constant
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// CHECK-WITH-HIDDEN: @_ZTS2T4 = linkonce_odr hidden constant
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// CHECK-WITH-HIDDEN: @_ZTI2T4 = linkonce_odr hidden unnamed_addr constant
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// CHECK-WITH-HIDDEN: @_ZTIPK2T4 = linkonce_odr hidden unnamed_addr constant
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// CHECK: _ZTSP1C = internal constant
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// CHECK: _ZTS1C = internal constant
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// CHECK: _ZTI1C = internal unnamed_addr constant
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// CHECK: _ZTIP1C = internal unnamed_addr constant
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// CHECK: _ZTSPP1C = internal constant
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// CHECK: _ZTIPP1C = internal unnamed_addr constant
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// CHECK: _ZTSM1Ci = internal constant
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// CHECK: _ZTIM1Ci = internal unnamed_addr constant
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// CHECK: _ZTSPM1Ci = internal constant
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// CHECK: _ZTIPM1Ci = internal unnamed_addr constant
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// CHECK: _ZTSM1CS_ = internal constant
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// CHECK: _ZTIM1CS_ = internal unnamed_addr constant
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// CHECK: _ZTSM1CPS_ = internal constant
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// CHECK: _ZTIM1CPS_ = internal unnamed_addr constant
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// CHECK: _ZTSM1A1C = internal constant
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// CHECK: _ZTS1A = linkonce_odr constant
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// CHECK: _ZTI1A = linkonce_odr hidden unnamed_addr constant
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// CHECK: _ZTIM1A1C = internal unnamed_addr constant
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// CHECK: _ZTSM1AP1C = internal constant
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// CHECK: _ZTIM1AP1C = internal unnamed_addr constant
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// CHECK: _ZTSN12_GLOBAL__N_11DE = internal constant
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// CHECK: _ZTIN12_GLOBAL__N_11DE = internal unnamed_addr constant
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// CHECK: _ZTSPN12_GLOBAL__N_11DE = internal constant
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// CHECK: _ZTIPN12_GLOBAL__N_11DE = internal unnamed_addr constant
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// CHECK: _ZTSFN12_GLOBAL__N_11DEvE = internal constant
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// CHECK: _ZTIFN12_GLOBAL__N_11DEvE = internal unnamed_addr constant
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// CHECK: _ZTSFvN12_GLOBAL__N_11DEE = internal constant
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// CHECK: _ZTIFvN12_GLOBAL__N_11DEE = internal unnamed_addr constant
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// CHECK: _ZTSPFvvE = linkonce_odr constant
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// CHECK: _ZTSFvvE = linkonce_odr constant
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// CHECK: _ZTIFvvE = linkonce_odr hidden unnamed_addr constant
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// CHECK: _ZTIPFvvE = linkonce_odr hidden unnamed_addr constant
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// CHECK: _ZTSN12_GLOBAL__N_11EE = internal constant
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// CHECK: _ZTIN12_GLOBAL__N_11EE = internal unnamed_addr constant
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// CHECK: _ZTSA10_i = linkonce_odr constant
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// CHECK: _ZTIA10_i = linkonce_odr hidden unnamed_addr constant
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// CHECK: _ZTI1TILj0EE = linkonce_odr unnamed_addr constant
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// CHECK: _ZTI1TILj1EE = weak_odr unnamed_addr constant
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// CHECK: _ZTI1TILj2EE = external constant
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// CHECK: _ZTS1B = constant
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// CHECK: _ZTI1B = unnamed_addr constant
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// CHECK: _ZTS1F = linkonce_odr constant
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// CHECK: _ZTIN12_GLOBAL__N_11DE to
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// A has no key function, so its RTTI data should be linkonce_odr.
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struct A { };
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// B has a key function defined in the translation unit, so the RTTI data should
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// be emitted in this translation unit and have external linkage.
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struct B : A {
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virtual void f();
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};
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void B::f() { }
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// C is an incomplete class type, so any direct or indirect pointer types should have
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// internal linkage, as should the type info for C itself.
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struct C;
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void t1() {
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(void)typeid(C*);
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(void)typeid(C**);
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(void)typeid(int C::*);
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(void)typeid(int C::**);
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(void)typeid(C C::*);
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(void)typeid(C *C::*);
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(void)typeid(C A::*);
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(void)typeid(C* A::*);
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}
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namespace {
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// D is inside an anonymous namespace, so all type information related to D should have
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// internal linkage.
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struct D { };
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// E is also inside an anonymous namespace.
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enum E { };
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};
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// F has a key function defined in the translation unit, but it is inline so the RTTI
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// data should be emitted with linkonce_odr linkage.
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struct F {
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virtual void f();
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};
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inline void F::f() { }
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const D getD();
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const std::type_info &t2() {
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(void)typeid(const D);
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(void)typeid(D *);
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(void)typeid(D (*)());
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(void)typeid(void (*)(D));
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(void)typeid(void (*)(D&));
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// The exception specification is not part of the RTTI descriptor, so it should not have
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// internal linkage.
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(void)typeid(void (*)() throw (D));
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(void)typeid(E);
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return typeid(getD());
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}
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namespace Arrays {
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struct A {
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static const int a[10];
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};
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const std::type_info &f() {
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return typeid(A::a);
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}
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}
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template <unsigned N> class T {
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virtual void anchor() {}
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};
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template class T<1>;
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template <> class T<2> { virtual void anchor(); };
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void t3() {
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(void) typeid(T<0>);
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(void) typeid(T<1>);
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(void) typeid(T<2>);
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}
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// rdar://problem/8778973
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struct T4 {};
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void t4(const T4 *ptr) {
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const void *value = &typeid(ptr);
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}
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