1 // RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple -g %s -o - -fno-standalone-debug | FileCheck %s 2 3 // Run again with -gline-tables-only and verify we don't crash. We won't output 4 // type info at all. 5 // RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple -g %s -o - -gline-tables-only | FileCheck %s -check-prefix LINES-ONLY 6 7 // LINES-ONLY-NOT: !DICompositeType(tag: DW_TAG_structure_type 8 9 template <typename T> 10 struct a { 11 }; 12 extern template class a<int>; 13 // CHECK-NOT: DICompositeType(tag: DW_TAG_structure_type, name: "a<int>" 14 15 template <typename T> 16 struct b { 17 }; 18 extern template class b<int>; 19 b<int> bi; 20 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "b<int>" 21 // CHECK-NOT: DIFlagFwdDecl 22 // CHECK-SAME: ){{$}} 23 24 template <typename T> 25 struct c { 26 void f() {} 27 }; 28 extern template class c<int>; 29 c<int> ci; 30 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "c<int>" 31 // CHECK-SAME: DIFlagFwdDecl 32 33 template <typename T> 34 struct d { 35 void f(); 36 }; 37 extern template class d<int>; 38 d<int> di; 39 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "d<int>" 40 // CHECK-NOT: DIFlagFwdDecl 41 // CHECK-SAME: ){{$}} 42 43 template <typename T> 44 struct e { 45 void f(); 46 }; 47 template <typename T> 48 void e<T>::f() { 49 } 50 extern template class e<int>; 51 e<int> ei; 52 // There's no guarantee that the out of line definition will appear before the 53 // explicit template instantiation definition, so conservatively emit the type 54 // definition here. 55 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "e<int>" 56 // CHECK-NOT: DIFlagFwdDecl 57 // CHECK-SAME: ){{$}} 58 59 template <typename T> 60 struct f { 61 void g(); 62 }; 63 extern template class f<int>; 64 template <typename T> 65 void f<T>::g() { 66 } 67 f<int> fi; 68 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "f<int>" 69 // CHECK-NOT: DIFlagFwdDecl 70 // CHECK-SAME: ){{$}} 71 72 template <typename T> 73 struct g { 74 void f(); 75 }; 76 template <> 77 void g<int>::f(); 78 extern template class g<int>; 79 g<int> gi; 80 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "g<int>" 81 // CHECK-NOT: DIFlagFwdDecl 82 // CHECK-SAME: ){{$}} 83 84 template <typename T> 85 struct h { 86 }; 87 template class h<int>; 88 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "h<int>" 89 // CHECK-NOT: DIFlagFwdDecl 90 // CHECK-SAME: ){{$}} 91 92 template <typename T> 93 struct i { 94 void f() {} 95 }; 96 template<> void i<int>::f(); 97 extern template class i<int>; 98 i<int> ii; 99 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "i<int>" 100 // CHECK-NOT: DIFlagFwdDecl 101 // CHECK-SAME: ){{$}} 102 103 template <typename T1, typename T2 = T1> 104 struct j { 105 }; 106 extern template class j<int>; 107 j<int> jj; 108 // CHECK: DICompositeType(tag: DW_TAG_structure_type, name: "j<int, int>" 109 110 template <typename T> 111 struct k { 112 }; 113 template <> 114 struct k<int>; 115 template struct k<int>; 116 // CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type, name: "k<int>" 117