1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
4; RUN: llvm-dwarfdump %t | FileCheck %s
5
6; Also test that the null streamer doesn't crash with debug info.
7; RUN: %llc_dwarf -O0 -filetype=null < %s
8
9; generated from the following source compiled to bitcode with clang -g -O1
10; static int i;
11; int main() {
12;   (void)&i;
13; }
14
15; CHECK: debug_info contents
16; CHECK: DW_TAG_variable
17
18source_filename = "test/DebugInfo/Generic/global.ll"
19
20; Function Attrs: nounwind readnone uwtable
21define i32 @main() #0 !dbg !9 {
22entry:
23  ret i32 0, !dbg !12
24}
25
26attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
27
28!llvm.dbg.cu = !{!0}
29!llvm.module.flags = !{!7, !8}
30
31!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.4 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3, imports: !2)
32!1 = !DIFile(filename: "global.cpp", directory: "/tmp")
33!2 = !{}
34!3 = !{!4}
35!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
36!5 = !DIGlobalVariable(name: "i", linkageName: "_ZL1i", scope: null, file: !1, line: 1, type: !6, isLocal: true, isDefinition: true)
37!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
38!7 = !{i32 2, !"Dwarf Version", i32 3}
39!8 = !{i32 1, !"Debug Info Version", i32 3}
40!9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 2, type: !10, isLocal: false, isDefinition: true, scopeLine: 2, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
41!10 = !DISubroutineType(types: !11)
42!11 = !{!6}
43!12 = !DILocation(line: 4, scope: !9)
44
45