| ; Test to ensure only the necessary DICompileUnit fields are imported |
| ; for ThinLTO |
| |
| ; RUN: opt -module-summary %s -o %t1.bc |
| ; RUN: opt -module-summary %p/Inputs/debuginfo-cu-import.ll -o %t2.bc |
| ; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t1.bc %t2.bc |
| |
| ; Don't import enums, macros, retainedTypes or globals lists. |
| ; Only import local scope imported entities. |
| ; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t.index.bc -o - | llvm-dis -o - | FileCheck %s |
| ; CHECK-NOT: DICompileUnit{{.*}} enums: |
| ; CHECK-NOT: DICompileUnit{{.*}} macros: |
| ; CHECK-NOT: DICompileUnit{{.*}} retainedTypes: |
| ; CHECK-NOT: DICompileUnit{{.*}} globals: |
| ; CHECK: DICompileUnit{{.*}} imports: ![[IMP:[0-9]+]] |
| ; CHECK: ![[IMP]] = !{!{{[0-9]+}}} |
| |
| ; ModuleID = 'debuginfo-cu-import.c' |
| source_filename = "debuginfo-cu-import.c" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @foo() !dbg !28 { |
| entry: |
| ret void, !dbg !29 |
| } |
| |
| define void @_ZN1A1aEv() !dbg !13 { |
| entry: |
| ret void, !dbg !30 |
| } |
| |
| define internal void @_ZN1A1bEv() !dbg !31 { |
| entry: |
| ret void, !dbg !32 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!25, !26} |
| !llvm.ident = !{!27} |
| |
| !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) |
| !1 = !DIFile(filename: "a2.cc", directory: "") |
| !2 = !{!3} |
| !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") |
| !4 = !DINamespace(name: "A", scope: null) |
| !5 = !{} |
| !6 = !{!7} |
| !7 = !DICompositeType(tag: DW_TAG_structure_type, name: "Base", file: !1, line: 1, size: 32, align: 32, elements: !5, identifier: "_ZTS4Base") |
| !8 = !{!9} |
| !9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression()) |
| !10 = !DIGlobalVariable(name: "version", scope: !4, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true) |
| !11 = !{!12, !16} |
| !12 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !4, entity: !13, file: !1, line: 8) |
| !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) |
| !14 = !DISubroutineType(types: !15) |
| !15 = !{null} |
| !16 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !17, entity: !19, file: !1, line: 8) |
| !17 = distinct !DILexicalBlock(scope: !18, file: !1, line: 9, column: 8) |
| !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) |
| !19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 10, column: 8) |
| !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) |
| !21 = !{!22} |
| !22 = !DIMacroFile(file: !1, nodes: !23) |
| !23 = !{!24} |
| !24 = !DIMacro(type: DW_MACINFO_define, line: 3, name: "X", value: "5") |
| !25 = !{i32 2, !"Dwarf Version", i32 4} |
| !26 = !{i32 2, !"Debug Info Version", i32 3} |
| !27 = !{!"clang version 4.0.0 (trunk 286863) (llvm/trunk 286875)"} |
| !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) |
| !29 = !DILocation(line: 3, column: 1, scope: !28) |
| !30 = !DILocation(line: 7, column: 12, scope: !13) |
| !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) |
| !32 = !DILocation(line: 8, column: 24, scope: !31) |
| |