1; Test to ensure only the necessary DICompileUnit fields are imported
2; for ThinLTO
3
4; RUN: opt -module-summary %s -o %t1.bc
5; RUN: opt -module-summary %p/Inputs/debuginfo-cu-import.ll -o %t2.bc
6; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t1.bc %t2.bc
7
8; Don't import enums, macros, retainedTypes or globals lists.
9; Only import local scope imported entities.
10; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t.index.bc -o - | llvm-dis -o - | FileCheck %s
11; CHECK-NOT: DICompileUnit{{.*}} enums:
12; CHECK-NOT: DICompileUnit{{.*}} macros:
13; CHECK-NOT: DICompileUnit{{.*}} retainedTypes:
14; CHECK-NOT: DICompileUnit{{.*}} globals:
15; CHECK: DICompileUnit{{.*}} imports: ![[IMP:[0-9]+]]
16; CHECK: ![[IMP]] = !{!{{[0-9]+}}}
17
18; ModuleID = 'debuginfo-cu-import.c'
19source_filename = "debuginfo-cu-import.c"
20target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
21target triple = "x86_64-unknown-linux-gnu"
22
23define void @foo() !dbg !28 {
24entry:
25  ret void, !dbg !29
26}
27
28define void @_ZN1A1aEv() !dbg !13 {
29entry:
30  ret void, !dbg !30
31}
32
33define internal void @_ZN1A1bEv() !dbg !31 {
34entry:
35  ret void, !dbg !32
36}
37
38!llvm.dbg.cu = !{!0}
39!llvm.module.flags = !{!25, !26}
40!llvm.ident = !{!27}
41
42!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 4.0.0 (trunk 286863) (llvm/trunk 286875)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !6, globals: !8, imports: !11, macros: !21)
43!1 = !DIFile(filename: "a2.cc", directory: "")
44!2 = !{!3}
45!3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "enum1", scope: !4, file: !1, line: 50, size: 32, elements: !5, identifier: "_ZTSN9__gnu_cxx12_Lock_policyE")
46!4 = !DINamespace(name: "A", scope: null)
47!5 = !{}
48!6 = !{!7}
49!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", file: !1, line: 1, size: 32, align: 32, elements: !5, identifier: "_ZTS4Base")
50!8 = !{!9}
51!9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
52!10 = !DIGlobalVariable(name: "version", scope: !4, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
53!11 = !{!12, !16}
54!12 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !4, entity: !13, file: !1, line: 8)
55!13 = distinct !DISubprogram(name: "a", linkageName: "_ZN1A1aEv", scope: !4, file: !1, line: 7, type: !14, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !5)
56!14 = !DISubroutineType(types: !15)
57!15 = !{null}
58!16 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !17, entity: !19, file: !1, line: 8)
59!17 = distinct !DILexicalBlock(scope: !18, file: !1, line: 9, column: 8)
60!18 = distinct !DISubprogram(name: "c", linkageName: "_ZN1A1cEv", scope: !4, file: !1, line: 9, type: !14, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !5)
61!19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 10, column: 8)
62!20 = distinct !DISubprogram(name: "d", linkageName: "_ZN1A1dEv", scope: !4, file: !1, line: 10, type: !14, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !5)
63!21 = !{!22}
64!22 = !DIMacroFile(file: !1, nodes: !23)
65!23 = !{!24}
66!24 = !DIMacro(type: DW_MACINFO_define, line: 3, name: "X", value: "5")
67!25 = !{i32 2, !"Dwarf Version", i32 4}
68!26 = !{i32 2, !"Debug Info Version", i32 3}
69!27 = !{!"clang version 4.0.0 (trunk 286863) (llvm/trunk 286875)"}
70!28 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !14, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, retainedNodes: !5)
71!29 = !DILocation(line: 3, column: 1, scope: !28)
72!30 = !DILocation(line: 7, column: 12, scope: !13)
73!31 = distinct !DISubprogram(name: "b", linkageName: "_ZN1A1bEv", scope: !4, file: !1, line: 8, type: !14, isLocal: true, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !5)
74!32 = !DILocation(line: 8, column: 24, scope: !31)
75
76