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 {
17entry:
18  %puts = tail call i32 @puts(i8* getelementptr inbounds ([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 {
25entry:
26  tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !21, metadata !{!"0x102"}), !dbg !26
27  tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !{!"0x102"}), !dbg !27
28  %puts = tail call i32 @puts(i8* getelementptr inbounds ([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 = !{!"0x11\0012\00clang version 3.2 (trunk 156513)\001\00\000\00\001", !32, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ]
39!1 = !{}
40!3 = !{!5}
41!5 = !{!"0x2e\00foo\00foo\00\005\000\001\000\006\00256\001\005", !32, !6, !7, null, void ()* @foo, null, null, !1} ; [ DW_TAG_subprogram ]
42!6 = !{!"0x29", !32} ; [ DW_TAG_file_type ]
43!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
44!8 = !{null}
45!9 = !{!"0x11\0012\00clang version 3.2 (trunk 156513)\001\00\000\00\001", !32, !1, !1, !10, !1, !1} ; [ DW_TAG_compile_unit ]
46!10 = !{!12}
47!12 = !{!"0x2e\00main\00main\00\0011\000\001\000\006\00256\001\0011", !32, !6, !13, null, i32 (i32, i8**)* @main, null, null, !19} ; [ DW_TAG_subprogram ]
48!13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
49!14 = !{!15, !15, !16}
50!15 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
51!16 = !{!"0xf\00\000\0032\0032\000\000", null, null, !17} ; [ DW_TAG_pointer_type ]
52!17 = !{!"0xf\00\000\0032\0032\000\000", null, null, !18} ; [ DW_TAG_pointer_type ]
53!18 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
54!19 = !{!21, !22}
55!21 = !{!"0x101\00argc\0016777227\000", !12, !6, !15} ; [ DW_TAG_arg_variable ]
56!22 = !{!"0x101\00argv\0033554443\000", !12, !6, !16} ; [ DW_TAG_arg_variable ]
57!23 = !MDLocation(line: 6, column: 3, scope: !24)
58!24 = !{!"0xb\005\0016\000", !32, !5} ; [ DW_TAG_lexical_block ]
59!25 = !MDLocation(line: 7, column: 1, scope: !24)
60!26 = !MDLocation(line: 11, column: 14, scope: !12)
61!27 = !MDLocation(line: 11, column: 26, scope: !12)
62!28 = !MDLocation(line: 12, column: 3, scope: !29)
63!29 = !{!"0xb\0011\0034\000", !32, !12} ; [ DW_TAG_lexical_block ]
64!30 = !MDLocation(line: 13, column: 3, scope: !29)
65!31 = !MDLocation(line: 14, column: 3, scope: !29)
66!32 = !{!"foo.c", !"/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 2}
74