1 ; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -o %t < %s
2 ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
3 ; <rdar://problem/12566646>
5 %struct.foo = type { i32, [1 x i32] }
6 %struct.bar = type { i32, [0 x i32] }
8 define i32 @func() nounwind uwtable ssp !dbg !5 {
10 %my_foo = alloca %struct.foo, align 4
11 %my_bar = alloca %struct.bar, align 4
12 call void @llvm.dbg.declare(metadata %struct.foo* %my_foo, metadata !10, metadata !DIExpression()), !dbg !19
13 call void @llvm.dbg.declare(metadata %struct.bar* %my_bar, metadata !20, metadata !DIExpression()), !dbg !28
14 %a = getelementptr inbounds %struct.foo, %struct.foo* %my_foo, i32 0, i32 0, !dbg !29
15 store i32 3, i32* %a, align 4, !dbg !29
16 %a1 = getelementptr inbounds %struct.bar, %struct.bar* %my_bar, i32 0, i32 0, !dbg !30
17 store i32 5, i32* %a1, align 4, !dbg !30
18 %a2 = getelementptr inbounds %struct.foo, %struct.foo* %my_foo, i32 0, i32 0, !dbg !31
19 %0 = load i32, i32* %a2, align 4, !dbg !31
20 %a3 = getelementptr inbounds %struct.bar, %struct.bar* %my_bar, i32 0, i32 0, !dbg !31
21 %1 = load i32, i32* %a3, align 4, !dbg !31
22 %add = add nsw i32 %0, %1, !dbg !31
23 ret i32 %add, !dbg !31
26 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
28 ; CHECK: DW_TAG_base_type
29 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "int")
30 ; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (DW_ATE_signed)
31 ; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
34 ; CHECK: DW_TAG_structure_type
35 ; CHECK: DW_AT_name{{.*}}"foo"
36 ; CHECK: DW_TAG_member
37 ; CHECK: DW_TAG_member
38 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
39 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
42 ; CHECK: DW_TAG_array_type [{{.*}}] *
43 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
44 ; CHECK: DW_TAG_subrange_type [{{.*}}]
45 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
46 ; CHECK-NEXT: DW_AT_count [DW_FORM_data1] (0x01)
49 ; CHECK: DW_TAG_structure_type
50 ; CHECK: DW_AT_name{{.*}}"bar"
51 ; CHECK: DW_TAG_member
52 ; CHECK: DW_TAG_member
53 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
54 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
57 ; CHECK: DW_TAG_array_type [{{.*}}] *
58 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
59 ; CHECK: DW_TAG_subrange_type
60 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
61 ; CHECK: DW_AT_count [DW_FORM_data1] (0x00)
64 !llvm.module.flags = !{!33}
66 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.3 (trunk 169136)", isOptimized: false, emissionKind: FullDebug, file: !32, enums: !1, retainedTypes: !1, globals: !1, imports: !1)
68 !5 = distinct !DISubprogram(name: "func", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 11, file: !6, scope: !6, type: !7, retainedNodes: !1)
69 !6 = !DIFile(filename: "test.c", directory: "/Volumes/Sandbox/llvm")
70 !7 = !DISubroutineType(types: !8)
72 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
73 !10 = !DILocalVariable(name: "my_foo", line: 12, scope: !11, file: !6, type: !12)
74 !11 = distinct !DILexicalBlock(line: 11, column: 0, file: !6, scope: !5)
75 !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 64, align: 32, file: !32, elements: !13)
77 !14 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !32, scope: !12, baseType: !9)
78 !15 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 32, align: 32, offset: 32, file: !32, scope: !12, baseType: !16)
79 !16 = !DICompositeType(tag: DW_TAG_array_type, size: 32, align: 32, baseType: !9, elements: !17)
81 !18 = !DISubrange(count: 1)
82 !19 = !DILocation(line: 12, scope: !11)
83 !20 = !DILocalVariable(name: "my_bar", line: 13, scope: !11, file: !6, type: !21)
84 !21 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", line: 6, size: 32, align: 32, file: !32, elements: !22)
86 !23 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 7, size: 32, align: 32, file: !32, scope: !21, baseType: !9)
87 !24 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 8, align: 32, offset: 32, file: !32, scope: !21, baseType: !25)
88 !25 = !DICompositeType(tag: DW_TAG_array_type, align: 32, baseType: !9, elements: !26)
90 !27 = !DISubrange(count: 0)
91 !28 = !DILocation(line: 13, scope: !11)
92 !29 = !DILocation(line: 15, scope: !11)
93 !30 = !DILocation(line: 16, scope: !11)
94 !31 = !DILocation(line: 17, scope: !11)
95 !32 = !DIFile(filename: "test.c", directory: "/Volumes/Sandbox/llvm")
96 !33 = !{i32 1, !"Debug Info Version", i32 3}