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66 lines
3.5 KiB
66 lines
3.5 KiB
4 months ago
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; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; test that the DW_AT_specification is a back edge in the file.
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; Skip the definition of zed(foo*)
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_TAG_class_type
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_linkage_name {{.*}} "_ZN3foo3barEv"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_specification {{.*}} "_ZN3foo3barEv"
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%struct.foo = type { i8 }
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define void @_Z3zedP3foo(%struct.foo* %x) uwtable !dbg !5 {
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entry:
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%x.addr = alloca %struct.foo*, align 8
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store %struct.foo* %x, %struct.foo** %x.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.foo** %x.addr, metadata !23, metadata !DIExpression()), !dbg !24
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%0 = load %struct.foo*, %struct.foo** %x.addr, align 8, !dbg !25
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call void @_ZN3foo3barEv(%struct.foo* %0), !dbg !25
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ret void, !dbg !27
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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define linkonce_odr void @_ZN3foo3barEv(%struct.foo* %this) nounwind uwtable align 2 !dbg !20 {
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entry:
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%this.addr = alloca %struct.foo*, align 8
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store %struct.foo* %this, %struct.foo** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.foo** %this.addr, metadata !28, metadata !DIExpression()), !dbg !29
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%this1 = load %struct.foo*, %struct.foo** %this.addr
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ret void, !dbg !30
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!33}
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!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)
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!1 = !{}
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!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)
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!6 = !DIFile(filename: "/home/espindola/llvm/test.cc", directory: "/home/espindola/tmpfs/build")
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, !9}
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10)
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!10 = !DICompositeType(tag: DW_TAG_class_type, name: "foo", line: 1, size: 8, align: 8, file: !32, elements: !11)
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!11 = !{!12}
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!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)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null, !15}
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!15 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, baseType: !10)
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!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)
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!23 = !DILocalVariable(name: "x", line: 4, arg: 1, scope: !5, file: !6, type: !9)
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!24 = !DILocation(line: 4, column: 15, scope: !5)
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!25 = !DILocation(line: 4, column: 20, scope: !26)
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!26 = distinct !DILexicalBlock(line: 4, column: 18, file: !6, scope: !5)
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!27 = !DILocation(line: 4, column: 30, scope: !26)
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!28 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !20, file: !6, type: !15)
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!29 = !DILocation(line: 2, column: 8, scope: !20)
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!30 = !DILocation(line: 2, column: 15, scope: !31)
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!31 = distinct !DILexicalBlock(line: 2, column: 14, file: !6, scope: !20)
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!32 = !DIFile(filename: "/home/espindola/llvm/test.cc", directory: "/home/espindola/tmpfs/build")
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!33 = !{i32 1, !"Debug Info Version", i32 3}
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