1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
; REQUIRES: object-emission
; RUN: %llc_dwarf -filetype=obj -O0 < %s > %t
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: [[TYPE:.*]]: DW_TAG_structure_type
; Make sure we correctly handle containing type of a struct being a type identifier.
; CHECK-NEXT: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "C")
; Make sure we correctly handle context of a subprogram being a type identifier.
; CHECK: [[SP:.*]]: DW_TAG_subprogram
; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "foo")
; Make sure we correctly handle containing type of a subprogram being a type identifier.
; CHECK: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK: DW_TAG_formal_parameter
; CHECK: NULL
; CHECK: NULL
; CHECK: [[TYPE2:.*]]: DW_TAG_structure_type
; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "bar")
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "D")
; CHECK: DW_TAG_member
; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "a")
; Make sure we correctly handle context of a struct being a type identifier.
; CHECK: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested")
; CHECK: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested2")
; CHECK-NEXT: DW_AT_declaration [DW_FORM_flag] (0x01)
; CHECK: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "virt<bar>")
; Make sure we correctly handle type of a template_type being a type identifier.
; CHECK: DW_TAG_template_type_parameter
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "T")
; Make sure we correctly handle derived-from of a typedef being a type identifier.
; CHECK: DW_TAG_typedef
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz2")
; Make sure we correctly handle derived-from of a pointer type being a type identifier.
; CHECK: DW_TAG_pointer_type
; CHECK: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK: DW_TAG_typedef
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz")
; Make sure we correctly handle derived-from of an array type being a type identifier.
; CHECK: DW_TAG_array_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
; IR generated from clang -g with the following source:
; struct C {
; virtual void foo();
; };
; void C::foo() {
; }
;
; struct bar { };
; typedef bar baz;
; struct D {
; typedef bar baz2;
; static int a;
; struct Nested { };
; struct Nested2 { };
; template <typename T>
; struct virt {
; T* values;
; };
; };
; void test() {
; baz B;
; bar A[3];
; D::baz2 B2;
; D::Nested e;
; D::Nested2 *p;
; D::virt<bar> t;
; }
%struct.C = type { i32 (...)** }
%struct.bar = type { i8 }
%"struct.D::Nested" = type { i8 }
%"struct.D::Nested2" = type { i8 }
%"struct.D::virt" = type { %struct.bar* }
@_ZTV1C = unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1C to i8*), i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)]
@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
@_ZTS1C = constant [3 x i8] c"1C\00"
@_ZTI1C = unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1C, i32 0, i32 0) }
; Function Attrs: nounwind ssp uwtable
define void @_ZN1C3fooEv(%struct.C* %this) unnamed_addr #0 align 2 {
entry:
%this.addr = alloca %struct.C*, align 8
store %struct.C* %this, %struct.C** %this.addr, align 8
call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !36, metadata !{!"0x102"}), !dbg !38
%this1 = load %struct.C** %this.addr
ret void, !dbg !39
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind ssp uwtable
define void @_Z4testv() #0 {
entry:
%B = alloca %struct.bar, align 1
%A = alloca [3 x %struct.bar], align 1
%B2 = alloca %struct.bar, align 1
%e = alloca %"struct.D::Nested", align 1
%p = alloca %"struct.D::Nested2"*, align 8
%t = alloca %"struct.D::virt", align 8
call void @llvm.dbg.declare(metadata %struct.bar* %B, metadata !40, metadata !{!"0x102"}), !dbg !42
call void @llvm.dbg.declare(metadata [3 x %struct.bar]* %A, metadata !43, metadata !{!"0x102"}), !dbg !47
call void @llvm.dbg.declare(metadata %struct.bar* %B2, metadata !48, metadata !{!"0x102"}), !dbg !50
call void @llvm.dbg.declare(metadata %"struct.D::Nested"* %e, metadata !51, metadata !{!"0x102"}), !dbg !52
call void @llvm.dbg.declare(metadata %"struct.D::Nested2"** %p, metadata !53, metadata !{!"0x102"}), !dbg !55
call void @llvm.dbg.declare(metadata %"struct.D::virt"* %t, metadata !56, metadata !{!"0x102"}), !dbg !57
ret void, !dbg !58
}
attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!35, !59}
!0 = !{!"0x11\004\00clang version 3.4\000\00\000\00\000", !1, !2, !3, !30, !2, !2} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus]
!1 = !{!"tmp.cpp", !"."}
!2 = !{}
!3 = !{!4, !18, !19, !22, !23, !24}
!4 = !{!"0x13\00C\001\0064\0064\000\000\000", !1, null, null, !5, !"_ZTS1C", null, !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 64, align 64, offset 0] [def] [from ]
!5 = !{!6, !13}
!6 = !{!"0xd\00_vptr$C\000\0064\000\000\0064", !1, !7, !8} ; [ DW_TAG_member ] [_vptr$C] [line 0, size 64, align 0, offset 0] [artificial] [from ]
!7 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [tmp.cpp]
!8 = !{!"0xf\00\000\0064\000\000\000", null, null, !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
!9 = !{!"0xf\00__vtbl_ptr_type\000\0064\000\000\000", null, null, !10} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
!10 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!11 = !{!12}
!12 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!13 = !{!"0x2e\00foo\00foo\00_ZN1C3fooEv\002\000\000\001\006\00256\000\002", !1, !"_ZTS1C", !14, !"_ZTS1C", null, null, i32 0, !17} ; [ DW_TAG_subprogram ] [line 2] [foo]
!14 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!15 = !{null, !16}
!16 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C]
!17 = !{i32 786468}
!18 = !{!"0x13\00bar\007\008\008\000\000\000", !1, null, null, !2, null, null, !"_ZTS3bar"} ; [ DW_TAG_structure_type ] [bar] [line 7, size 8, align 8, offset 0] [def] [from ]
!19 = !{!"0x13\00D\009\008\008\000\000\000", !1, null, null, !20, null, null, !"_ZTS1D"} ; [ DW_TAG_structure_type ] [D] [line 9, size 8, align 8, offset 0] [def] [from ]
!20 = !{!21}
!21 = !{!"0xd\00a\0011\000\000\000\004096", !1, !"_ZTS1D", !12, null} ; [ DW_TAG_member ] [a] [line 11, size 0, align 0, offset 0] [static] [from int]
!22 = !{!"0x13\00Nested\0012\008\008\000\000\000", !1, !"_ZTS1D", null, !2, null, null, !"_ZTSN1D6NestedE"} ; [ DW_TAG_structure_type ] [Nested] [line 12, size 8, align 8, offset 0] [def] [from ]
!23 = !{!"0x13\00Nested2\0013\000\000\000\004\000", !1, !"_ZTS1D", null, null, null, null, !"_ZTSN1D7Nested2E"} ; [ DW_TAG_structure_type ] [Nested2] [line 13, size 0, align 0, offset 0] [decl] [from ]
!24 = !{!"0x13\00virt<bar>\0015\0064\0064\000\000\000", !1, !"_ZTS1D", null, !25, null, !28, !"_ZTSN1D4virtI3barEE"} ; [ DW_TAG_structure_type ] [virt<bar>] [line 15, size 64, align 64, offset 0] [def] [from ]
!25 = !{!26}
!26 = !{!"0xd\00values\0016\0064\0064\000\000", !1, !"_ZTSN1D4virtI3barEE", !27} ; [ DW_TAG_member ] [values] [line 16, size 64, align 64, offset 0] [from ]
!27 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS3bar"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS3bar]
!28 = !{!29}
!29 = !{!"0x2f\00T\000\000", null, !"_ZTS3bar", null} ; [ DW_TAG_template_type_parameter ]
!30 = !{!31, !32}
!31 = !{!"0x2e\00foo\00foo\00_ZN1C3fooEv\004\000\001\000\006\00256\000\004", !1, null, !14, null, void (%struct.C*)* @_ZN1C3fooEv, null, !13, !2} ; [ DW_TAG_subprogram ] [line 4] [def] [foo]
!32 = !{!"0x2e\00test\00test\00_Z4testv\0020\000\001\000\006\00256\000\0020", !1, !7, !33, null, void ()* @_Z4testv, null, null, !2} ; [ DW_TAG_subprogram ] [line 20] [def] [test]
!33 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !34, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!34 = !{null}
!35 = !{i32 2, !"Dwarf Version", i32 2}
!36 = !{!"0x101\00this\0016777216\001088", !31, null, !37} ; [ DW_TAG_arg_variable ] [this] [line 0]
!37 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
!38 = !MDLocation(line: 0, scope: !31)
!39 = !MDLocation(line: 5, scope: !31)
!40 = !{!"0x100\00B\0021\000", !32, !7, !41} ; [ DW_TAG_auto_variable ] [B] [line 21]
!41 = !{!"0x16\00baz\008\000\000\000\000", !1, null, !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz] [line 8, size 0, align 0, offset 0] [from _ZTS3bar]
!42 = !MDLocation(line: 21, scope: !32)
!43 = !{!"0x100\00A\0022\000", !32, !7, !44} ; [ DW_TAG_auto_variable ] [A] [line 22]
!44 = !{!"0x1\00\000\0024\008\000\000", null, null, !"_ZTS3bar", !45, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 24, align 8, offset 0] [from _ZTS3bar]
!45 = !{!46}
!46 = !{!"0x21\000\003"} ; [ DW_TAG_subrange_type ] [0, 2]
!47 = !MDLocation(line: 22, scope: !32)
!48 = !{!"0x100\00B2\0023\000", !32, !7, !49} ; [ DW_TAG_auto_variable ] [B2] [line 23]
!49 = !{!"0x16\00baz2\0010\000\000\000\000", !1, !"_ZTS1D", !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz2] [line 10, size 0, align 0, offset 0] [from _ZTS3bar]
!50 = !MDLocation(line: 23, scope: !32)
!51 = !{!"0x100\00e\0024\000", !32, !7, !22} ; [ DW_TAG_auto_variable ] [e] [line 24]
!52 = !MDLocation(line: 24, scope: !32)
!53 = !{!"0x100\00p\0025\000", !32, !7, !54} ; [ DW_TAG_auto_variable ] [p] [line 25]
!54 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTSN1D7Nested2E"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTSN1D7Nested2E]
!55 = !MDLocation(line: 25, scope: !32)
!56 = !{!"0x100\00t\0026\000", !32, !7, !24} ; [ DW_TAG_auto_variable ] [t] [line 26]
!57 = !MDLocation(line: 26, scope: !32)
!58 = !MDLocation(line: 27, scope: !32)
!59 = !{i32 1, !"Debug Info Version", i32 2}
|
