1; RUN: opt -strip-dead-debug-info -verify %s -S | FileCheck %s
2
3; CHECK: ModuleID = '{{.*}}'
4; CHECK-NOT: "bar"
5; CHECK-NOT: "abcd"
6; CHECK-NOT: "GCC"
7; CHECK: "Globals"
8; CHECK: "abcd2"
9
10source_filename = "test/Transforms/StripSymbols/strip-dead-debug-info.ll"
11
12@xyz = global i32 2, !dbg !0
13
14; Function Attrs: nounwind readnone
15declare void @llvm.dbg.value(metadata, metadata, metadata) #0
16
17; Function Attrs: nounwind readnone ssp
18define i32 @fn() #1 !dbg !10 {
19entry:
20  ret i32 0, !dbg !13
21}
22
23; Function Attrs: nounwind readonly ssp
24define i32 @foo(i32 %i) #2 !dbg !15 {
25entry:
26  tail call void @llvm.dbg.value(metadata i32 %i, metadata !18, metadata !19), !dbg !20
27  %.0 = load i32, i32* @xyz, align 4, !dbg !30
28  ret i32 %.0, !dbg !21
29}
30
31attributes #0 = { nounwind readnone }
32attributes #1 = { nounwind readnone ssp }
33attributes #2 = { nounwind readonly ssp }
34
35!llvm.dbg.cu = !{!4, !23, !24, !28}
36!llvm.module.flags = !{!9}
37
38!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
39!1 = !DIGlobalVariable(name: "xyz", scope: !2, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true)
40!2 = !DIFile(filename: "g.c", directory: "/tmp/")
41!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
42!4 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6)
43!5 = !{}
44!6 = !{!7, !0}
45!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression())
46!8 = !DIGlobalVariable(name: "abcd", scope: !2, file: !2, line: 2, type: !3, isLocal: true, isDefinition: true)
47!9 = !{i32 1, !"Debug Info Version", i32 3}
48!10 = distinct !DISubprogram(name: "fn", linkageName: "fn", scope: null, file: !2, line: 6, type: !11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !4)
49!11 = !DISubroutineType(types: !12)
50!12 = !{!3}
51!13 = !DILocation(line: 6, scope: !14)
52!14 = distinct !DILexicalBlock(scope: !10, file: !2, line: 6)
53!15 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !2, line: 7, type: !16, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !4)
54!16 = !DISubroutineType(types: !17)
55!17 = !{!3, !3}
56!18 = !DILocalVariable(name: "i", arg: 1, scope: !15, file: !2, line: 7, type: !3)
57!19 = !DIExpression()
58!20 = !DILocation(line: 7, scope: !15)
59!21 = !DILocation(line: 10, scope: !22)
60!22 = distinct !DILexicalBlock(scope: !15, file: !2, line: 7)
61!23 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "GCC", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !5)
62!24 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "Globals", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !25)
63!25 = !{!26}
64!26 = !DIGlobalVariableExpression(var: !27, expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))
65!27 = !DIGlobalVariable(name: "abcd2", scope: !2, file: !2, line: 2, type: !3, isLocal: true, isDefinition: true)
66!28 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "InlineTest", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !5)
67!29 = distinct !DISubprogram(name: "inlinefunc", linkageName: "inlinefunc", scope: null, file: !2, line: 7, type: !16, isLocal: false, isDefinition: true, isOptimized: true, unit: !28)
68!30 = !DILocation(line: 100, scope: !29, inlinedAt: !21)
69