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
|
; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -o %t < %s
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; <rdar://problem/12566646>
%struct.foo = type { i32, [1 x i32] }
%struct.bar = type { i32, [0 x i32] }
define i32 @func() nounwind uwtable ssp {
entry:
%my_foo = alloca %struct.foo, align 4
%my_bar = alloca %struct.bar, align 4
call void @llvm.dbg.declare(metadata %struct.foo* %my_foo, metadata !10, metadata !MDExpression()), !dbg !19
call void @llvm.dbg.declare(metadata %struct.bar* %my_bar, metadata !20, metadata !MDExpression()), !dbg !28
%a = getelementptr inbounds %struct.foo, %struct.foo* %my_foo, i32 0, i32 0, !dbg !29
store i32 3, i32* %a, align 4, !dbg !29
%a1 = getelementptr inbounds %struct.bar, %struct.bar* %my_bar, i32 0, i32 0, !dbg !30
store i32 5, i32* %a1, align 4, !dbg !30
%a2 = getelementptr inbounds %struct.foo, %struct.foo* %my_foo, i32 0, i32 0, !dbg !31
%0 = load i32, i32* %a2, align 4, !dbg !31
%a3 = getelementptr inbounds %struct.bar, %struct.bar* %my_bar, i32 0, i32 0, !dbg !31
%1 = load i32, i32* %a3, align 4, !dbg !31
%add = add nsw i32 %0, %1, !dbg !31
ret i32 %add, !dbg !31
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
; CHECK: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "int")
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (DW_ATE_signed)
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; int foo::b[1]:
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_name{{.*}}"foo"
; CHECK: DW_TAG_member
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; int[1]:
; CHECK: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_TAG_subrange_type [{{.*}}]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK-NEXT: DW_AT_count [DW_FORM_data1] (0x01)
; int bar::b[0]:
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_name{{.*}}"bar"
; CHECK: DW_TAG_member
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; int[0]:
; CHECK: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_TAG_subrange_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_AT_count [DW_FORM_data1] (0x00)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!33}
!0 = !MDCompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 169136)", isOptimized: false, emissionKind: 0, file: !32, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1)
!1 = !{}
!3 = !{!5}
!5 = !MDSubprogram(name: "func", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine: 11, file: !6, scope: !6, type: !7, function: i32 ()* @func, variables: !1)
!6 = !MDFile(filename: "test.c", directory: "/Volumes/Sandbox/llvm")
!7 = !MDSubroutineType(types: !8)
!8 = !{!9}
!9 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "my_foo", line: 12, scope: !11, file: !6, type: !12)
!11 = distinct !MDLexicalBlock(line: 11, column: 0, file: !6, scope: !5)
!12 = !MDCompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 64, align: 32, file: !32, elements: !13)
!13 = !{!14, !15}
!14 = !MDDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !32, scope: !12, baseType: !9)
!15 = !MDDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 32, align: 32, offset: 32, file: !32, scope: !12, baseType: !16)
!16 = !MDCompositeType(tag: DW_TAG_array_type, size: 32, align: 32, baseType: !9, elements: !17)
!17 = !{!18}
!18 = !MDSubrange(count: 1)
!19 = !MDLocation(line: 12, scope: !11)
!20 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "my_bar", line: 13, scope: !11, file: !6, type: !21)
!21 = !MDCompositeType(tag: DW_TAG_structure_type, name: "bar", line: 6, size: 32, align: 32, file: !32, elements: !22)
!22 = !{!23, !24}
!23 = !MDDerivedType(tag: DW_TAG_member, name: "a", line: 7, size: 32, align: 32, file: !32, scope: !21, baseType: !9)
!24 = !MDDerivedType(tag: DW_TAG_member, name: "b", line: 8, align: 32, offset: 32, file: !32, scope: !21, baseType: !25)
!25 = !MDCompositeType(tag: DW_TAG_array_type, align: 32, baseType: !9, elements: !26)
!26 = !{!27}
!27 = !MDSubrange(count: 0)
!28 = !MDLocation(line: 13, scope: !11)
!29 = !MDLocation(line: 15, scope: !11)
!30 = !MDLocation(line: 16, scope: !11)
!31 = !MDLocation(line: 17, scope: !11)
!32 = !MDFile(filename: "test.c", directory: "/Volumes/Sandbox/llvm")
!33 = !{i32 1, !"Debug Info Version", i32 3}
|
