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