1 | // RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -triple x86_64-apple-darwin %s -o - | FileCheck %s |
2 | |
3 | // CHECK: @x = global %"struct.outer<foo>::inner" zeroinitializer, align 4, !dbg [[X:![0-9]+]] |
4 | |
5 | struct MyClass { |
6 | template <int i> int add(int j) { |
7 | return i + j; |
8 | } |
9 | virtual void func() { |
10 | } |
11 | }; |
12 | |
13 | int add2(int x) { |
14 | return MyClass().add<2>(x); |
15 | } |
16 | |
17 | inline int add3(int x) { |
18 | return MyClass().add<3>(x); // even though add<3> is ODR used, don't emit it since we don't codegen it |
19 | } |
20 | |
21 | // The compile unit pulls in the global variables first. |
22 | // CHECK: [[X]] = !DIGlobalVariableExpression(var: [[XV:.*]], expr: !DIExpression()) |
23 | // CHECK: [[XV]] = distinct !DIGlobalVariable(name: "x", |
24 | // CHECK-SAME: type: ![[OUTER_FOO_INNER_ID:[0-9]+]] |
25 | // |
26 | // CHECK: {{![0-9]+}} = distinct !DIGlobalVariable( |
27 | // CHECK-SAME: name: "var" |
28 | // CHECK-SAME: templateParams: {{![0-9]+}} |
29 | // CHECK: !DITemplateTypeParameter(name: "T", type: [[TY:![0-9]+]]) |
30 | // CHECK: {{![0-9]+}} = distinct !DIGlobalVariable( |
31 | // CHECK-SAME: name: "var" |
32 | // CHECK-SAME: templateParams: {{![0-9]+}} |
33 | // CHECK: !DITemplateTypeParameter(name: "P", type: {{![0-9]+}}) |
34 | // CHECK: {{![0-9]+}} = distinct !DIGlobalVariable( |
35 | // CHECK-SAME: name: "varray" |
36 | // CHECK-SAME: templateParams: {{![0-9]+}} |
37 | // CHECK: !DITemplateValueParameter(name: "N", type: [[TY]], value: i32 1) |
38 | |
39 | // CHECK: ![[OUTER_FOO_INNER_ID:[0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "inner"{{.*}}, identifier: |
40 | // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo" |
41 | // CHECK-SAME: elements: [[FOO_MEM:![0-9]*]] |
42 | // CHECK-SAME: identifier: "_ZTS3foo" |
43 | // CHECK: [[FOO_MEM]] = !{[[FOO_FUNC:![0-9]*]]} |
44 | // CHECK: [[FOO_FUNC]] = !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEN5outerIS_E5innerE", |
45 | // CHECK-SAME: type: [[FOO_FUNC_TYPE:![0-9]*]] |
46 | // CHECK: [[FOO_FUNC_TYPE]] = !DISubroutineType(types: [[FOO_FUNC_PARAMS:![0-9]*]]) |
47 | // CHECK: [[FOO_FUNC_PARAMS]] = !{null, !{{[0-9]*}}, ![[OUTER_FOO_INNER_ID]]} |
48 | |
49 | // CHECK: [[C:![0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "MyClass" |
50 | // CHECK-SAME: elements: [[C_MEM:![0-9]*]] |
51 | // CHECK-SAME: vtableHolder: [[C]] |
52 | // CHECK-SAME: identifier: "_ZTS7MyClass") |
53 | // CHECK: [[C_MEM]] = !{[[C_VPTR:![0-9]*]], [[C_FUNC:![0-9]*]]} |
54 | // CHECK: [[C_VPTR]] = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$MyClass" |
55 | |
56 | // CHECK: [[C_FUNC]] = !DISubprogram(name: "func",{{.*}} line: 9, |
57 | |
58 | // CHECK: !DISubprogram(name: "add<2>" |
59 | // CHECK-SAME: scope: [[C]] |
60 | // |
61 | // CHECK: [[VIRT_TEMP:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "virt<elem>" |
62 | // CHECK-SAME: elements: [[VIRT_MEM:![0-9]*]] |
63 | // CHECK-SAME: vtableHolder: [[VIRT_TEMP]] |
64 | // CHECK-SAME: templateParams: [[VIRT_TEMP_PARAM:![0-9]*]] |
65 | // CHECK-SAME: identifier: "_ZTS4virtI4elemE" |
66 | |
67 | // CHECK: [[ELEM:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "elem" |
68 | // CHECK-SAME: elements: [[ELEM_MEM:![0-9]*]] |
69 | // CHECK-SAME: identifier: "_ZTS4elem" |
70 | // CHECK: [[ELEM_MEM]] = !{[[ELEM_X:![0-9]*]]} |
71 | // CHECK: [[ELEM_X]] = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: [[ELEM]] |
72 | // CHECK-SAME: baseType: [[VIRT_TEMP:![0-9]+]] |
73 | |
74 | // CHECK: [[VIRT_TEMP_PARAM]] = !{[[VIRT_T:![0-9]*]]} |
75 | // CHECK: [[VIRT_T]] = !DITemplateTypeParameter(name: "T", type: [[ELEM]]) |
76 | |
77 | template<typename T> |
78 | struct outer { |
79 | struct inner { |
80 | int i; |
81 | }; |
82 | }; |
83 | |
84 | struct foo { |
85 | void func(outer<foo>::inner); |
86 | }; |
87 | |
88 | inline void func() { |
89 | // require 'foo' to be complete before the emission of 'inner' so that, when |
90 | // constructing the context chain for 'x' we emit the full definition of |
91 | // 'foo', which requires the definition of 'inner' again |
92 | foo f; |
93 | } |
94 | |
95 | outer<foo>::inner x; |
96 | |
97 | template <typename T> |
98 | struct virt { |
99 | T* values; |
100 | virtual ~virt(); |
101 | }; |
102 | struct elem { |
103 | static virt<elem> x; // ensure that completing 'elem' will require/completing 'virt<elem>' |
104 | }; |
105 | inline void f1() { |
106 | elem e; // ensure 'elem' is required to be complete when it is emitted as a template argument for 'virt<elem>' |
107 | }; |
108 | void f2() { |
109 | virt<elem> d; // emit 'virt<elem>' |
110 | } |
111 | |
112 | // Check that the member function template specialization and implicit special |
113 | // members (the default ctor) refer to their class by scope, even though they |
114 | // didn't appear in the class's member list (C_MEM). This prevents the functions |
115 | // from being added to type units, while still appearing in the type |
116 | // declaration/reference in the compile unit. |
117 | // CHECK: !DISubprogram(name: "MyClass" |
118 | // CHECK-SAME: scope: [[C]] |
119 | |
120 | template <typename T> |
121 | T var = T(); |
122 | template <typename P> |
123 | P var<P *> = P(); |
124 | template <typename T, int N> |
125 | T varray[N]; |
126 | void f3() { |
127 | var<int> = 1; |
128 | var<int *> = 1; |
129 | varray<int, 1>[0] = 1; |
130 | } |
131 | |