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