Anders Carlsson | 6d7f847 | 2011-01-30 20:45:54 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o %t |
| 2 | // RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t |
| 3 | // RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t |
Anders Carlsson | 1faa89f | 2011-02-05 04:35:53 +0000 | [diff] [blame] | 4 | // RUN: FileCheck --check-prefix=CHECK-TEST5 %s < %t |
Anders Carlsson | 976d911 | 2011-02-06 20:16:20 +0000 | [diff] [blame] | 5 | // RUN: FileCheck --check-prefix=CHECK-TEST7 %s < %t |
Anders Carlsson | 6d7f847 | 2011-01-30 20:45:54 +0000 | [diff] [blame] | 6 | |
| 7 | #include <typeinfo> |
| 8 | |
John McCall | d5617ee | 2013-01-25 22:31:03 +0000 | [diff] [blame] | 9 | // Test1::A's key function (f) is not defined in this translation |
| 10 | // unit, but in order to devirtualize calls, we emit the v-table with |
Anders Carlsson | 6d7f847 | 2011-01-30 20:45:54 +0000 | [diff] [blame] | 11 | // available_externally linkage. |
John McCall | d5617ee | 2013-01-25 22:31:03 +0000 | [diff] [blame] | 12 | // |
| 13 | // There's no real reason to do this to the RTTI, though. |
Anders Carlsson | 6d7f847 | 2011-01-30 20:45:54 +0000 | [diff] [blame] | 14 | |
| 15 | // CHECK-TEST1: @_ZTVN5Test11AE = available_externally |
John McCall | d5617ee | 2013-01-25 22:31:03 +0000 | [diff] [blame] | 16 | // CHECK-TEST1: @_ZTIN5Test11AE = external constant i8* |
Anders Carlsson | 6d7f847 | 2011-01-30 20:45:54 +0000 | [diff] [blame] | 17 | namespace Test1 { |
| 18 | |
| 19 | struct A { |
| 20 | A(); |
| 21 | virtual void f(); |
| 22 | virtual ~A() { } |
| 23 | }; |
| 24 | |
| 25 | A::A() { } |
| 26 | |
| 27 | void f(A* a) { |
| 28 | a->f(); |
| 29 | }; |
| 30 | |
| 31 | // CHECK: define void @_ZN5Test11gEv |
| 32 | // CHECK: call void @_ZN5Test11A1fEv |
| 33 | void g() { |
| 34 | A a; |
| 35 | f(&a); |
| 36 | } |
| 37 | |
| 38 | } |
| 39 | |
| 40 | // Test2::A's key function (f) is defined in this translation unit, but when |
| 41 | // we're doing codegen for the typeid(A) call, we don't know that yet. |
| 42 | // This tests mainly that the typeinfo and typename constants have their linkage |
| 43 | // updated correctly. |
| 44 | |
| 45 | // CHECK-TEST2: @_ZTSN5Test21AE = constant |
| 46 | // CHECK-TEST2: @_ZTIN5Test21AE = unnamed_addr constant |
| 47 | // CHECK-TEST2: @_ZTVN5Test21AE = unnamed_addr constant |
| 48 | namespace Test2 { |
| 49 | struct A { |
| 50 | virtual void f(); |
| 51 | }; |
| 52 | |
| 53 | const std::type_info &g() { |
| 54 | return typeid(A); |
| 55 | }; |
| 56 | |
| 57 | void A::f() { } |
| 58 | } |
Anders Carlsson | 1faa89f | 2011-02-05 04:35:53 +0000 | [diff] [blame] | 59 | |
| 60 | // Test that we don't assert on this test. |
| 61 | namespace Test3 { |
| 62 | |
| 63 | struct A { |
| 64 | virtual void f(); |
| 65 | virtual ~A() { } |
| 66 | }; |
| 67 | |
| 68 | struct B : A { |
| 69 | B(); |
| 70 | virtual void f(); |
| 71 | }; |
| 72 | |
| 73 | B::B() { } |
| 74 | |
| 75 | void g(A* a) { |
| 76 | a->f(); |
| 77 | }; |
| 78 | |
| 79 | } |
| 80 | |
| 81 | // PR9114, test that we don't try to instantiate RefPtr<Node>. |
| 82 | namespace Test4 { |
| 83 | |
| 84 | template <class T> struct RefPtr { |
| 85 | T* p; |
| 86 | ~RefPtr() { |
| 87 | p->deref(); |
| 88 | } |
| 89 | }; |
| 90 | |
| 91 | struct A { |
| 92 | virtual ~A(); |
| 93 | }; |
| 94 | |
| 95 | struct Node; |
| 96 | |
| 97 | struct B : A { |
| 98 | virtual void deref(); |
| 99 | RefPtr<Node> m; |
| 100 | }; |
| 101 | |
| 102 | void f() { |
| 103 | RefPtr<B> b; |
| 104 | } |
| 105 | |
| 106 | } |
| 107 | |
| 108 | // PR9130, test that we emit a definition of A::f. |
| 109 | // CHECK-TEST5: define linkonce_odr void @_ZN5Test51A1fEv |
| 110 | namespace Test5 { |
| 111 | |
| 112 | struct A { |
| 113 | virtual void f() { } |
| 114 | }; |
| 115 | |
| 116 | struct B : A { |
| 117 | virtual ~B(); |
| 118 | }; |
| 119 | |
| 120 | B::~B() { } |
| 121 | |
| 122 | } |
Anders Carlsson | bbfd5ba | 2011-02-05 18:48:55 +0000 | [diff] [blame] | 123 | |
| 124 | // Check that we don't assert on this test. |
| 125 | namespace Test6 { |
| 126 | |
| 127 | struct A { |
| 128 | virtual ~A(); |
| 129 | int a; |
| 130 | }; |
| 131 | |
| 132 | struct B { |
| 133 | virtual ~B(); |
| 134 | int b; |
| 135 | }; |
| 136 | |
| 137 | struct C : A, B { |
| 138 | C(); |
| 139 | }; |
| 140 | |
| 141 | struct D : C { |
| 142 | virtual void f(); |
| 143 | D(); |
| 144 | }; |
| 145 | |
| 146 | D::D() { } |
| 147 | |
| 148 | } |
Anders Carlsson | 976d911 | 2011-02-06 20:16:20 +0000 | [diff] [blame] | 149 | |
| 150 | namespace Test7 { |
| 151 | |
| 152 | struct c1 {}; |
| 153 | struct c10 : c1{ |
| 154 | virtual void foo (); |
| 155 | }; |
| 156 | struct c11 : c10, c1{ |
| 157 | virtual void f6 (); |
| 158 | }; |
| 159 | struct c28 : virtual c11{ |
| 160 | void f6 (); |
| 161 | }; |
| 162 | |
| 163 | // CHECK-TEST7: define void @_ZN5Test79check_c28Ev |
| 164 | // CHECK-TEST7: call void @_ZN5Test73c282f6Ev |
| 165 | // CHECK-TEST7: ret void |
| 166 | void check_c28 () { |
| 167 | c28 obj; |
| 168 | c11 *ptr = &obj; |
| 169 | ptr->f6 (); |
| 170 | } |
| 171 | |
| 172 | } |