1; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o %t -filetype=obj
2; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
3
4; ModuleID = 'test.c'
5
6source_filename = "test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll"
7
8@GLB = common global i32 0, align 4, !dbg !0
9
10; Function Attrs: nounwind
11define i32 @f() #0 !dbg !8 {
12  %LOC = alloca i32, align 4
13  call void @llvm.dbg.declare(metadata i32* %LOC, metadata !11, metadata !13), !dbg !14
14  %1 = load i32, i32* @GLB, align 4, !dbg !15
15  store i32 %1, i32* %LOC, align 4, !dbg !15
16  %2 = load i32, i32* @GLB, align 4, !dbg !16
17  ret i32 %2, !dbg !16
18}
19
20; Function Attrs: nounwind readnone
21declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
22
23attributes #0 = { nounwind }
24attributes #1 = { nounwind readnone }
25
26!llvm.dbg.cu = !{!4}
27!llvm.module.flags = !{!7}
28
29!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
30!1 = !DIGlobalVariable(name: "GLB", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
31!2 = !DIFile(filename: "test.c", directory: "/work/llvm/vanilla/test/DebugInfo")
32!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
33!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 3.0 (trunk)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5)
34!5 = !{}
35!6 = !{!0}
36!7 = !{i32 1, !"Debug Info Version", i32 3}
37!8 = distinct !DISubprogram(name: "f", scope: !2, file: !2, line: 3, type: !9, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !4)
38!9 = !DISubroutineType(types: !10)
39!10 = !{!3}
40!11 = !DILocalVariable(name: "LOC", scope: !12, file: !2, line: 4, type: !3)
41!12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 3, column: 9)
42!13 = !DIExpression()
43!14 = !DILocation(line: 4, column: 9, scope: !12)
44!15 = !DILocation(line: 4, column: 23, scope: !12)
45!16 = !DILocation(line: 5, column: 5, scope: !12)
46
47; CHECK: DW_TAG_variable
48; CHECK-NOT: DW_TAG
49; CHECK: DW_AT_name [DW_FORM_strp]       ( .debug_str[0x{{[0-9a-f]*}}] = "GLB")
50; CHECK-NOT: DW_TAG
51; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c")
52; CHECK-NOT: DW_TAG
53; CHECK: DW_AT_decl_line [DW_FORM_data1] (1)
54
55; CHECK: DW_TAG_variable
56; CHECK-NOT: DW_TAG
57; CHECK: DW_AT_name [DW_FORM_strp]   ( .debug_str[0x{{[0-9a-f]*}}] = "LOC")
58; CHECK-NOT: DW_TAG
59; CHECK: DW_AT_decl_file [DW_FORM_data1]     ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c")
60; CHECK-NOT: DW_TAG
61; CHECK: DW_AT_decl_line [DW_FORM_data1]     (4)
62
63