forked from OSchip/llvm-project
114 lines
5.0 KiB
LLVM
114 lines
5.0 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-macosx %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
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;
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; struct A {
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; A(int i);
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; ~A();
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; };
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;
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; A::~A() {}
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;
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; void foo() {
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; A a(1);
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; }
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;
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; rdar://problem/16362674
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;
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; Test that we do not emit a linkage name for the declaration of a destructor.
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; Test that we do emit a linkage name for a specific instance of it.
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}} "~A"
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; CHECK-NOT: DW_AT_MIPS_linkage_name
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1AD2Ev"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_specification {{.*}} "~A"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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%struct.A = type { i8 }
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; Function Attrs: nounwind ssp uwtable
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define void @_ZN1AD2Ev(%struct.A* %this) unnamed_addr #0 align 2 !dbg !17 {
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entry:
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%this.addr = alloca %struct.A*, align 8
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store %struct.A* %this, %struct.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.A** %this.addr, metadata !26, metadata !DIExpression()), !dbg !28
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%this1 = load %struct.A*, %struct.A** %this.addr
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ret void, !dbg !29
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind ssp uwtable
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define void @_ZN1AD1Ev(%struct.A* %this) unnamed_addr #0 align 2 !dbg !18 {
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entry:
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%this.addr = alloca %struct.A*, align 8
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store %struct.A* %this, %struct.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.A** %this.addr, metadata !30, metadata !DIExpression()), !dbg !31
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%this1 = load %struct.A*, %struct.A** %this.addr
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call void @_ZN1AD2Ev(%struct.A* %this1), !dbg !32
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ret void, !dbg !33
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}
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; Function Attrs: ssp uwtable
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define void @_Z3foov() #2 !dbg !19 {
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entry:
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%a = alloca %struct.A, align 1
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call void @llvm.dbg.declare(metadata %struct.A* %a, metadata !34, metadata !DIExpression()), !dbg !35
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call void @_ZN1AC1Ei(%struct.A* %a, i32 1), !dbg !35
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call void @_ZN1AD1Ev(%struct.A* %a), !dbg !36
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ret void, !dbg !36
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}
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declare void @_ZN1AC1Ei(%struct.A*, i32)
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind readnone }
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attributes #2 = { ssp uwtable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!23, !24}
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!llvm.ident = !{!25}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "linkage-name.cpp", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS1A")
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!5 = !{!6, !12}
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!6 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !4, type: !7)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, !9, !10}
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
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!10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !DISubprogram(name: "~A", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !4, type: !13)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null, !9}
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!17 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !4, type: !13, declaration: !12, variables: !2)
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!18 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD1Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !4, type: !13, declaration: !12, variables: !2)
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!19 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !20, type: !21, variables: !2)
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!20 = !DIFile(filename: "linkage-name.cpp", directory: "")
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!21 = !DISubroutineType(types: !22)
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!22 = !{null}
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!23 = !{i32 2, !"Dwarf Version", i32 2}
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!24 = !{i32 1, !"Debug Info Version", i32 3}
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!25 = !{!"clang version 3.5.0 "}
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!26 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !27)
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!27 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
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!28 = !DILocation(line: 0, scope: !17)
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!29 = !DILocation(line: 8, scope: !17)
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!30 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !18, type: !27)
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!31 = !DILocation(line: 0, scope: !18)
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!32 = !DILocation(line: 6, scope: !18)
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!33 = !DILocation(line: 8, scope: !18)
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!34 = !DILocalVariable(name: "a", line: 11, scope: !19, file: !20, type: !4)
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!35 = !DILocation(line: 11, scope: !19)
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!36 = !DILocation(line: 12, scope: !19)
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