xref: /llvm-project/llvm/test/ThinLTO/X86/debuginfo-cu-import.ll (revision a19629dae70c9f7e7936eba7aa1e0a3a99742288) 
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, globals or imports lists.
9; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t.index.bc -o - | llvm-dis -o - | FileCheck %s
10; CHECK-NOT: DICompileUnit{{.*}} enums:
11; CHECK-NOT: DICompileUnit{{.*}} macros:
12; CHECK-NOT: DICompileUnit{{.*}} retainedTypes:
13; CHECK-NOT: DICompileUnit{{.*}} globals:
14; CHECK-NOT: DICompileUnit{{.*}} imports:
15
16;; Repeat test in RemoveDIs debug-info mode to check that bitcode is loaded and
17;; converted correctly.
18; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t.index.bc -o - --try-experimental-debuginfo-iterators | llvm-dis -o - | FileCheck %s
19
20; ModuleID = 'debuginfo-cu-import.c'
21source_filename = "debuginfo-cu-import.c"
22target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
23target triple = "x86_64-unknown-linux-gnu"
24
25define void @foo() !dbg !28 {
26entry:
27  ret void, !dbg !29
28}
29
30define void @_ZN1A1aEv() !dbg !13 {
31entry:
32  ret void, !dbg !30
33}
34
35define internal void @_ZN1A1bEv() !dbg !31 {
36entry:
37  ret void, !dbg !32
38}
39
40!llvm.dbg.cu = !{!0}
41!llvm.module.flags = !{!25, !26}
42!llvm.ident = !{!27}
43
44!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)
45!1 = !DIFile(filename: "a2.cc", directory: "")
46!2 = !{!3}
47!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")
48!4 = !DINamespace(name: "A", scope: null)
49!5 = !{}
50!6 = !{!7}
51!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", file: !1, line: 1, size: 32, align: 32, elements: !5, identifier: "_ZTS4Base")
52!8 = !{!9}
53!9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
54!10 = !DIGlobalVariable(name: "version", scope: !4, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)
55!11 = !{!12}
56!12 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !4, entity: !13, file: !1, line: 8)
57!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)
58!14 = !DISubroutineType(types: !15)
59!15 = !{null}
60!16 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !17, entity: !19, file: !1, line: 8)
61!17 = distinct !DILexicalBlock(scope: !18, file: !1, line: 9, column: 8)
62!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: !33)
63!19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 10, column: 8)
64!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)
65!21 = !{!22}
66!22 = !DIMacroFile(file: !1, nodes: !23)
67!23 = !{!24}
68!24 = !DIMacro(type: DW_MACINFO_define, line: 3, name: "X", value: "5")
69!25 = !{i32 2, !"Dwarf Version", i32 4}
70!26 = !{i32 2, !"Debug Info Version", i32 3}
71!27 = !{!"clang version 4.0.0 (trunk 286863) (llvm/trunk 286875)"}
72!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)
73!29 = !DILocation(line: 3, column: 1, scope: !28)
74!30 = !DILocation(line: 7, column: 12, scope: !13)
75!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)
76!32 = !DILocation(line: 8, column: 24, scope: !31)
77!33 = !{!16}
78