1 ; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj 2 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s 3 4 ; test that the DW_AT_specification is a back edge in the file. 5 6 ; Skip the definition of zed(foo*) 7 ; CHECK: DW_TAG_subprogram 8 ; CHECK: DW_TAG_class_type 9 ; CHECK: DW_TAG_subprogram 10 ; CHECK: DW_AT_linkage_name {{.*}} "_ZN3foo3barEv" 11 ; CHECK: DW_TAG_subprogram 12 ; CHECK-NOT: DW_TAG 13 ; CHECK: DW_AT_specification {{.*}} "_ZN3foo3barEv" 14 15 %struct.foo = type { i8 } 16 17 define void @_Z3zedP3foo(%struct.foo* %x) uwtable !dbg !5 { 18 entry: 19 %x.addr = alloca %struct.foo*, align 8 20 store %struct.foo* %x, %struct.foo** %x.addr, align 8 21 call void @llvm.dbg.declare(metadata %struct.foo** %x.addr, metadata !23, metadata !DIExpression()), !dbg !24 22 %0 = load %struct.foo*, %struct.foo** %x.addr, align 8, !dbg !25 23 call void @_ZN3foo3barEv(%struct.foo* %0), !dbg !25 24 ret void, !dbg !27 25 } 26 27 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 28 29 define linkonce_odr void @_ZN3foo3barEv(%struct.foo* %this) nounwind uwtable align 2 !dbg !20 { 30 entry: 31 %this.addr = alloca %struct.foo*, align 8 32 store %struct.foo* %this, %struct.foo** %this.addr, align 8 33 call void @llvm.dbg.declare(metadata %struct.foo** %this.addr, metadata !28, metadata !DIExpression()), !dbg !29 34 %this1 = load %struct.foo*, %struct.foo** %this.addr 35 ret void, !dbg !30 36 } 37 38 !llvm.dbg.cu = !{!0} 39 !llvm.module.flags = !{!33} 40 41 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 ()", isOptimized: false, emissionKind: FullDebug, file: !32, enums: !1, retainedTypes: !1, globals: !1, imports: !1) 42 !1 = !{} 43 !5 = distinct !DISubprogram(name: "zed", linkageName: "_Z3zedP3foo", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !6, scope: !6, type: !7) 44 !6 = !DIFile(filename: "/home/espindola/llvm/test.cc", directory: "/home/espindola/tmpfs/build") 45 !7 = !DISubroutineType(types: !8) 46 !8 = !{null, !9} 47 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10) 48 !10 = !DICompositeType(tag: DW_TAG_class_type, name: "foo", line: 1, size: 8, align: 8, file: !32, elements: !11) 49 !11 = !{!12} 50 !12 = !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !6, scope: !10, type: !13) 51 !13 = !DISubroutineType(types: !14) 52 !14 = !{null, !15} 53 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, baseType: !10) 54 !20 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !6, scope: null, type: !13, declaration: !12) 55 !23 = !DILocalVariable(name: "x", line: 4, arg: 1, scope: !5, file: !6, type: !9) 56 !24 = !DILocation(line: 4, column: 15, scope: !5) 57 !25 = !DILocation(line: 4, column: 20, scope: !26) 58 !26 = distinct !DILexicalBlock(line: 4, column: 18, file: !6, scope: !5) 59 !27 = !DILocation(line: 4, column: 30, scope: !26) 60 !28 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !20, file: !6, type: !15) 61 !29 = !DILocation(line: 2, column: 8, scope: !20) 62 !30 = !DILocation(line: 2, column: 15, scope: !31) 63 !31 = distinct !DILexicalBlock(line: 2, column: 14, file: !6, scope: !20) 64 !32 = !DIFile(filename: "/home/espindola/llvm/test.cc", directory: "/home/espindola/tmpfs/build") 65 !33 = !{i32 1, !"Debug Info Version", i32 3} 66
