| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -fno-rtti -disable-O0-optnone -emit-llvm -o - %s | FileCheck %s |
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| 2 | |
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| 3 | // CHECK: @_ZTV5TemplIiE = internal unnamed_addr constant { [7 x i8*] } { [7 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.Templ*)* @_ZN5TemplIiED1Ev to i8*), i8* bitcast (void (%struct.Templ*)* @_ZN5TemplIiED0Ev to i8*), i8* bitcast (void (%struct.Templ*)* @_ZN5TemplIiE1fEv to i8*), i8* bitcast (void (%struct.Templ*)* @_ZN5TemplIiE1gEv to i8*), i8* null] } |
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| 4 | |
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| 5 | struct B1 { |
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| 6 | virtual ~B1(); |
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| 7 | }; |
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| 8 | |
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| 9 | B1::~B1() {} |
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| 10 | |
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| 11 | void DELETE(B1 *pb1) { |
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| 12 | pb1->B1::~B1(); |
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| 13 | } |
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| 14 | // CHECK-LABEL: define void @_ZN2B1D0Ev |
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| 15 | // CHECK: [[T1:%.*]] = load void (%struct.B1*)*, void (%struct.B1*)** getelementptr inbounds (void (%struct.B1*)*, void (%struct.B1*)** bitcast ({ [5 x i8*] }* @_ZTV2B1 to void (%struct.B1*)**), i64 2) |
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| 16 | // CHECK-NEXT: call void [[T1]](%struct.B1* [[T2:%.*]]) |
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| 17 | // CHECK-LABEL: define void @_Z6DELETEP2B1 |
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| 18 | // CHECK: [[T3:%.*]] = load void (%struct.B1*)*, void (%struct.B1*)** getelementptr inbounds (void (%struct.B1*)*, void (%struct.B1*)** bitcast ({ [5 x i8*] }* @_ZTV2B1 to void (%struct.B1*)**), i64 2) |
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| 19 | // CHECK-NEXT: call void [[T3]](%struct.B1* [[T4:%.*]]) |
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| 20 | |
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| 21 | template<class T> |
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| 22 | struct Templ { |
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| 23 | virtual ~Templ(); // Out-of-line so that the destructor doesn't cause a vtable |
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| 24 | virtual void f() {} |
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| 25 | virtual void g() {} |
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| 26 | }; |
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| 27 | template<class T> |
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| 28 | struct SubTempl : public Templ<T> { |
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| 29 | virtual ~SubTempl() {} // override |
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| 30 | virtual void f() {} // override |
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| 31 | virtual void g() {} // override |
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| 32 | }; |
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| 33 | |
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| 34 | void f(SubTempl<int>* t) { |
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| 35 | // Qualified calls go through the (qualified) vtable in apple-kext mode. |
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| 36 | // Since t's this pointer points to SubTempl's vtable, the call needs |
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| 37 | // to load Templ<int>'s vtable. Hence, Templ<int>::g needs to be |
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| 38 | // instantiated in this TU, for it's referenced by the vtable. |
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| 39 | // (This happens only in apple-kext mode; elsewhere virtual calls can always |
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| 40 | // use the vtable pointer off this instead of having to load the vtable |
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| 41 | // symbol.) |
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| 42 | t->Templ::~Templ(); |
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| 43 | } |
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| 44 | |
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| 45 | // CHECK: getelementptr inbounds (void (%struct.Templ*)*, void (%struct.Templ*)** bitcast ({ [7 x i8*] }* @_ZTV5TemplIiE to void (%struct.Templ*)**), i64 2) |
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| 46 | // CHECK: declare void @_ZN5TemplIiED0Ev(%struct.Templ*) |
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| 47 | // CHECK: define internal void @_ZN5TemplIiE1fEv(%struct.Templ* %this) |
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| 48 | // CHECK: define internal void @_ZN5TemplIiE1gEv(%struct.Templ* %this) |
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| 49 | |
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