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1; Test to ensure only the necessary DICompileUnit fields are imported2; for ThinLTO3 4; RUN: opt -module-summary %s -o %t1.bc5; RUN: opt -module-summary %p/Inputs/debuginfo-cu-import.ll -o %t2.bc6; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t1.bc %t2.bc7 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 %s10; 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; ModuleID = 'debuginfo-cu-import.c'17source_filename = "debuginfo-cu-import.c"18target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"19target triple = "x86_64-unknown-linux-gnu"20 21define void @foo() !dbg !28 {22entry:23 ret void, !dbg !2924}25 26define void @_ZN1A1aEv() !dbg !13 {27entry:28 ret void, !dbg !3029}30 31define internal void @_ZN1A1bEv() !dbg !31 {32entry:33 ret void, !dbg !3234}35 36!llvm.dbg.cu = !{!0}37!llvm.module.flags = !{!25, !26}38!llvm.ident = !{!27}39 40!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)41!1 = !DIFile(filename: "a2.cc", directory: "")42!2 = !{!3}43!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")44!4 = !DINamespace(name: "A", scope: null)45!5 = !{}46!6 = !{!7}47!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", file: !1, line: 1, size: 32, align: 32, elements: !5, identifier: "_ZTS4Base")48!8 = !{!9}49!9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())50!10 = !DIGlobalVariable(name: "version", scope: !4, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true)51!11 = !{!12}52!12 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !4, entity: !13, file: !1, line: 8)53!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)54!14 = !DISubroutineType(types: !15)55!15 = !{null}56!16 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !17, entity: !19, file: !1, line: 8)57!17 = distinct !DILexicalBlock(scope: !18, file: !1, line: 9, column: 8)58!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)59!19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 10, column: 8)60!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)61!21 = !{!22}62!22 = !DIMacroFile(file: !1, nodes: !23)63!23 = !{!24}64!24 = !DIMacro(type: DW_MACINFO_define, line: 3, name: "X", value: "5")65!25 = !{i32 2, !"Dwarf Version", i32 4}66!26 = !{i32 2, !"Debug Info Version", i32 3}67!27 = !{!"clang version 4.0.0 (trunk 286863) (llvm/trunk 286875)"}68!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)69!29 = !DILocation(line: 3, column: 1, scope: !28)70!30 = !DILocation(line: 7, column: 12, scope: !13)71!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)72!32 = !DILocation(line: 8, column: 24, scope: !31)73!33 = !{!16}74