1; For http://llvm.org/bugs/show_bug.cgi?id=12942
2;   There are two CUs coming from /tmp/foo.c in this module. Make sure it doesn't
3;   blow llc up and produces something reasonable.
4;
5
6; REQUIRES: object-emission
7
8; RUN: %llc_dwarf %s -o %t -filetype=obj -O0
9; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
10
11; ModuleID = 'test.bc'
12
13@str = private unnamed_addr constant [4 x i8] c"FOO\00"
14@str1 = private unnamed_addr constant [6 x i8] c"Main!\00"
15
16define void @foo() nounwind !dbg !5 {
17entry:
18  %puts = tail call i32 @puts(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str, i32 0, i32 0)), !dbg !23
19  ret void, !dbg !25
20}
21
22declare i32 @puts(i8* nocapture) nounwind
23
24define i32 @main(i32 %argc, i8** nocapture %argv) nounwind !dbg !12 {
25entry:
26  tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !21, metadata !DIExpression()), !dbg !26
27  tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !DIExpression()), !dbg !27
28  %puts = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @str1, i32 0, i32 0)), !dbg !28
29  tail call void @foo() nounwind, !dbg !30
30  ret i32 0, !dbg !31
31}
32
33declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
34
35!llvm.dbg.cu = !{!0, !9}
36!llvm.module.flags = !{!33}
37
38!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 (trunk 156513)", isOptimized: true, emissionKind: 1, file: !32, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1)
39!1 = !{}
40!3 = !{!5}
41!5 = distinct !DISubprogram(name: "foo", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !32, scope: !6, type: !7, variables: !1)
42!6 = !DIFile(filename: "foo.c", directory: "/tmp")
43!7 = !DISubroutineType(types: !8)
44!8 = !{null}
45!9 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 (trunk 156513)", isOptimized: true, emissionKind: 1, file: !32, enums: !1, retainedTypes: !1, subprograms: !10, globals: !1, imports: !1)
46!10 = !{!12}
47!12 = distinct !DISubprogram(name: "main", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !32, scope: !6, type: !13, variables: !19)
48!13 = !DISubroutineType(types: !14)
49!14 = !{!15, !15, !16}
50!15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
51!16 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !17)
52!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !18)
53!18 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
54!19 = !{!21, !22}
55!21 = !DILocalVariable(name: "argc", line: 11, arg: 1, scope: !12, file: !6, type: !15)
56!22 = !DILocalVariable(name: "argv", line: 11, arg: 2, scope: !12, file: !6, type: !16)
57!23 = !DILocation(line: 6, column: 3, scope: !24)
58!24 = distinct !DILexicalBlock(line: 5, column: 16, file: !32, scope: !5)
59!25 = !DILocation(line: 7, column: 1, scope: !24)
60!26 = !DILocation(line: 11, column: 14, scope: !12)
61!27 = !DILocation(line: 11, column: 26, scope: !12)
62!28 = !DILocation(line: 12, column: 3, scope: !29)
63!29 = distinct !DILexicalBlock(line: 11, column: 34, file: !32, scope: !12)
64!30 = !DILocation(line: 13, column: 3, scope: !29)
65!31 = !DILocation(line: 14, column: 3, scope: !29)
66!32 = !DIFile(filename: "foo.c", directory: "/tmp")
67
68; This test is simple to be cross platform (many targets don't yet have
69; sufficiently good DWARF emission and/or dumping)
70; CHECK: {{DW_TAG_compile_unit}}
71; CHECK: {{foo\.c}}
72
73!33 = !{i32 1, !"Debug Info Version", i32 3}
74