| 1 | // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 -mconstructor-aliases -O1 -disable-llvm-passes | FileCheck %s |
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| 2 | |
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| 3 | struct Member { |
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| 4 | ~Member(); |
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| 5 | }; |
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| 6 | |
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| 7 | struct A { |
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| 8 | virtual ~A(); |
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| 9 | }; |
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| 10 | |
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| 11 | struct B : A { |
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| 12 | Member m; |
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| 13 | virtual ~B(); |
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| 14 | }; |
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| 15 | |
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| 16 | // Complete dtor: just an alias because there are no virtual bases. |
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| 17 | // CHECK: @_ZN1BD1Ev = unnamed_addr alias {{.*}} @_ZN1BD2Ev |
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| 18 | |
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| 19 | // (aliases from C) |
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| 20 | // CHECK: @_ZN1CD2Ev = unnamed_addr alias {{.*}}, bitcast {{.*}} @_ZN1BD2Ev |
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| 21 | // CHECK: @_ZN1CD1Ev = unnamed_addr alias {{.*}} @_ZN1CD2Ev |
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| 22 | |
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| 23 | // Base dtor: actually calls A's base dtor. |
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| 24 | // CHECK-LABEL: define void @_ZN1BD2Ev(%struct.B* %this) unnamed_addr |
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| 25 | // CHECK: call void @_ZN6MemberD1Ev |
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| 26 | // CHECK: call void @_ZN1AD2Ev |
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| 27 | |
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| 28 | // Deleting dtor: defers to the complete dtor. |
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| 29 | // CHECK-LABEL: define void @_ZN1BD0Ev(%struct.B* %this) unnamed_addr |
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| 30 | // CHECK: call void @_ZN1BD1Ev |
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| 31 | // CHECK: call void @_ZdlPv |
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| 32 | |
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| 33 | B::~B() { } |
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| 34 | |
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| 35 | struct C : B { |
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| 36 | ~C(); |
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| 37 | }; |
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| 38 | |
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| 39 | C::~C() { } |
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| 40 | |
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| 41 | // Complete dtor: just an alias (checked above). |
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| 42 | |
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| 43 | // Deleting dtor: defers to the complete dtor. |
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| 44 | // CHECK-LABEL: define void @_ZN1CD0Ev(%struct.C* %this) unnamed_addr |
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| 45 | // CHECK: call void @_ZN1CD1Ev |
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| 46 | // CHECK: call void @_ZdlPv |
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| 47 | |
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| 48 | // Base dtor: just an alias to B's base dtor. |
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| 49 | |
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| 50 | namespace PR12798 { |
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| 51 | // A qualified call to a base class destructor should not undergo virtual |
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| 52 | // dispatch. Template instantiation used to lose the qualifier. |
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| 53 | struct A { virtual ~A(); }; |
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| 54 | template<typename T> void f(T *p) { p->A::~A(); } |
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| 55 | |
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| 56 | // CHECK: define {{.*}} @_ZN7PR127981fINS_1AEEEvPT_( |
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| 57 | // CHECK: call void @_ZN7PR127981AD1Ev( |
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| 58 | template void f(A*); |
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| 59 | } |
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| 60 | |
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