| ; RUN: llc -mtriple=x86_64-apple-macosx %s -o %t -filetype=obj |
| ; RUN: llvm-dwarfdump -debug-dump=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: [[A_DTOR:.*]]: 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_DTOR]] |
| |
| |
| 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(%struct.A* %this) unnamed_addr #0 align 2 { |
| entry: |
| %this.addr = alloca %struct.A*, align 8 |
| store %struct.A* %this, %struct.A** %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata !{%struct.A** %this.addr}, metadata !26), !dbg !28 |
| %this1 = load %struct.A** %this.addr |
| ret void, !dbg !29 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define void @_ZN1AD1Ev(%struct.A* %this) unnamed_addr #0 align 2 { |
| entry: |
| %this.addr = alloca %struct.A*, align 8 |
| store %struct.A* %this, %struct.A** %this.addr, align 8 |
| call void @llvm.dbg.declare(metadata !{%struct.A** %this.addr}, metadata !30), !dbg !31 |
| %this1 = load %struct.A** %this.addr |
| call void @_ZN1AD2Ev(%struct.A* %this1), !dbg !32 |
| ret void, !dbg !33 |
| } |
| |
| ; Function Attrs: ssp uwtable |
| define void @_Z3foov() #2 { |
| entry: |
| %a = alloca %struct.A, align 1 |
| call void @llvm.dbg.declare(metadata !{%struct.A* %a}, metadata !34), !dbg !35 |
| call void @_ZN1AC1Ei(%struct.A* %a, i32 1), !dbg !35 |
| call void @_ZN1AD1Ev(%struct.A* %a), !dbg !36 |
| ret void, !dbg !36 |
| } |
| |
| declare void @_ZN1AC1Ei(%struct.A*, 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 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !16, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [linkage-name.cpp] [DW_LANG_C_plus_plus] |
| !1 = metadata !{metadata !"linkage-name.cpp", metadata !""} |
| !2 = metadata !{} |
| !3 = metadata !{metadata !4} |
| !4 = metadata !{i32 786451, metadata !1, null, metadata !"A", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 1, size 8, align 8, offset 0] [def] [from ] |
| !5 = metadata !{metadata !6, metadata !12} |
| !6 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 2, metadata !7, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !11, i32 2} ; [ DW_TAG_subprogram ] [line 2] [A] |
| !7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !8 = metadata !{null, metadata !9, metadata !10} |
| !9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] |
| !10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] |
| !11 = metadata !{i32 786468} |
| !12 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"", i32 3, metadata !13, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !15, i32 3} ; [ DW_TAG_subprogram ] [line 3] [~A] |
| !13 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !14, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !14 = metadata !{null, metadata !9} |
| !15 = metadata !{i32 786468} |
| !16 = metadata !{metadata !17, metadata !18, metadata !19} |
| !17 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"_ZN1AD2Ev", i32 6, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.A*)* @_ZN1AD2Ev, null, metadata !12, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~A] |
| !18 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"_ZN1AD1Ev", i32 6, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.A*)* @_ZN1AD1Ev, null, metadata !12, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~A] |
| !19 = metadata !{i32 786478, metadata !1, metadata !20, metadata !"foo", metadata !"foo", metadata !"_Z3foov", i32 10, metadata !21, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3foov, null, null, metadata !2, i32 10} ; [ DW_TAG_subprogram ] [line 10] [def] [foo] |
| !20 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [linkage-name.cpp] |
| !21 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !22, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !22 = metadata !{null} |
| !23 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} |
| !24 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} |
| !25 = metadata !{metadata !"clang version 3.5.0 "} |
| !26 = metadata !{i32 786689, metadata !17, metadata !"this", null, i32 16777216, metadata !27, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] |
| !27 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A] |
| !28 = metadata !{i32 0, i32 0, metadata !17, null} |
| !29 = metadata !{i32 8, i32 0, metadata !17, null} ; [ DW_TAG_imported_declaration ] |
| !30 = metadata !{i32 786689, metadata !18, metadata !"this", null, i32 16777216, metadata !27, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] |
| !31 = metadata !{i32 0, i32 0, metadata !18, null} |
| !32 = metadata !{i32 6, i32 0, metadata !18, null} |
| !33 = metadata !{i32 8, i32 0, metadata !18, null} ; [ DW_TAG_imported_declaration ] |
| !34 = metadata !{i32 786688, metadata !19, metadata !"a", metadata !20, i32 11, metadata !"_ZTS1A", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 11] |
| !35 = metadata !{i32 11, i32 0, metadata !19, null} |
| !36 = metadata !{i32 12, i32 0, metadata !19, null} |