| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -emit-llvm -o - %s | FileCheck %s |
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| 2 | |
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| 3 | // CHECK: @_ZTV5TemplIiE = internal unnamed_addr constant { [5 x i8*] } { [5 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI5TemplIiE 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 Base { |
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| 6 | virtual void abc(void) const; |
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| 7 | }; |
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| 8 | |
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| 9 | void Base::abc(void) const {} |
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| 10 | |
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| 11 | void FUNC(Base* p) { |
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| 12 | p->Base::abc(); |
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| 13 | } |
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| 14 | |
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| 15 | // CHECK: getelementptr inbounds (void (%struct.Base*)*, void (%struct.Base*)** bitcast ({ [4 x i8*] }* @_ZTV4Base to void (%struct.Base*)**), i64 2) |
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| 16 | // CHECK-NOT: call void @_ZNK4Base3abcEv |
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| 17 | |
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| 18 | template<class T> |
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| 19 | struct Templ { |
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| 20 | virtual void f() {} |
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| 21 | virtual void g() {} |
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| 22 | }; |
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| 23 | template<class T> |
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| 24 | struct SubTempl : public Templ<T> { |
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| 25 | virtual void f() {} // override |
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| 26 | virtual void g() {} // override |
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| 27 | }; |
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| 28 | |
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| 29 | void f(SubTempl<int>* t) { |
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| 30 | // Qualified calls go through the (qualified) vtable in apple-kext mode. |
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| 31 | // Since t's this pointer points to SubTempl's vtable, the call needs |
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| 32 | // to load Templ<int>'s vtable. Hence, Templ<int>::g needs to be |
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| 33 | // instantiated in this TU, for it's referenced by the vtable. |
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| 34 | // (This happens only in apple-kext mode; elsewhere virtual calls can always |
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| 35 | // use the vtable pointer off this instead of having to load the vtable |
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| 36 | // symbol.) |
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| 37 | t->Templ::f(); |
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| 38 | } |
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| 39 | |
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| 40 | // CHECK: getelementptr inbounds (void (%struct.Templ*)*, void (%struct.Templ*)** bitcast ({ [5 x i8*] }* @_ZTV5TemplIiE to void (%struct.Templ*)**), i64 2) |
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| 41 | // CHECK: define internal void @_ZN5TemplIiE1fEv(%struct.Templ* %this) |
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| 42 | // CHECK: define internal void @_ZN5TemplIiE1gEv(%struct.Templ* %this) |
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| 43 | |
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