; RUN: llc -mtriple=x86_64-pc-linux -filetype=obj -o %t < %s ; RUN: llvm-dwarfdump -v %t | FileCheck %s ; CHECK: 0x00000033: DW_TAG_formal_parameter [3] ; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (0x0000000c ; CHECK-NEXT: [0x0000000000000000, 0x0000000000000004): DW_OP_breg5 RDI+0 ; CHECK-NEXT: [0x0000000000000004, 0x0000000000000012): DW_OP_breg3 RBX+0) ; CHECK-NEXT: DW_AT_name [DW_FORM_strx1] (indexed (0000000e) string = "a") ; CHECK-NEXT: DW_AT_decl_file [DW_FORM_data1] ("/home/folder{{\\|\/}}test.cc") ; CHECK-NEXT: DW_AT_decl_line [DW_FORM_data1] (6) ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0040 => {0x00000040} "A") ; CHECK: .debug_loclists contents: ; CHECK-NEXT: 0x00000000: locations list header: length = 0x00000015, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000000 ; CHECK-NEXT: 0x00000000: ; CHECK-NEXT: [0x0000000000000000, 0x0000000000000004): DW_OP_breg5 RDI+0 ; CHECK-NEXT: [0x0000000000000004, 0x0000000000000012): DW_OP_breg3 RBX+0 ; There is no way to use llvm-dwarfdump atm (2018, october) to verify the DW_LLE_* codes emited, ; because dumper is not yet implements that. Use asm code to do this check instead. ; ; RUN: llc -mtriple=x86_64-pc-linux -filetype=asm < %s -o - | FileCheck %s --check-prefix=ASM ; ASM: .section .debug_loclists,"",@progbits ; ASM-NEXT: .long .Ldebug_loclist_table_end0-.Ldebug_loclist_table_start0 # Length ; ASM-NEXT: .Ldebug_loclist_table_start0: ; ASM-NEXT: .short 5 # Version ; ASM-NEXT: .byte 8 # Address size ; ASM-NEXT: .byte 0 # Segment selector size ; ASM-NEXT: .long 0 # Offset entry count ; ASM-NEXT: .Lloclists_table_base0: ; ASM-NEXT: .Ldebug_loc0: ; ASM-NEXT: .byte 4 # DW_LLE_offset_pair ; ASM-NEXT: .uleb128 .Lfunc_begin0-.Lfunc_begin0 # starting offset ; ASM-NEXT: .uleb128 .Ltmp0-.Lfunc_begin0 # ending offset ; ASM-NEXT: .byte 2 # Loc expr size ; ASM-NEXT: .byte 117 # DW_OP_breg5 ; ASM-NEXT: .byte 0 # 0 ; ASM-NEXT: .byte 4 # DW_LLE_offset_pair ; ASM-NEXT: .uleb128 .Ltmp0-.Lfunc_begin0 # starting offset ; ASM-NEXT: .uleb128 .Ltmp1-.Lfunc_begin0 # ending offset ; ASM-NEXT: .byte 2 # Loc expr size ; ASM-NEXT: .byte 115 # DW_OP_breg3 ; ASM-NEXT: .byte 0 # 0 ; ASM-NEXT: .byte 0 # DW_LLE_end_of_list ; ASM-NEXT: .Ldebug_loclist_table_end0: ; ModuleID = 'test.cc' source_filename = "test.cc" target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" %struct.A = type { i32 (...)** } @_ZTV1A = dso_local unnamed_addr constant { [4 x i8*] } { [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%struct.A*)* @_ZN1A3fooEv to i8*), i8* bitcast (void (%struct.A*)* @_ZN1A3barEv to i8*)] }, align 8 @_ZTVN10__cxxabiv117__class_type_infoE = external dso_local global i8* @_ZTS1A = dso_local constant [3 x i8] c"1A\00", align 1 @_ZTI1A = dso_local constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1A, i32 0, i32 0) }, align 8 ; Function Attrs: noinline optnone uwtable define dso_local void @_Z3baz1A(%struct.A* %a) #0 !dbg !7 { entry: call void @llvm.dbg.declare(metadata %struct.A* %a, metadata !23, metadata !DIExpression()), !dbg !24 call void @_ZN1A3fooEv(%struct.A* %a), !dbg !25 call void @_ZN1A3barEv(%struct.A* %a), !dbg !26 ret void, !dbg !27 } ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @_ZN1A3fooEv(%struct.A* %this) unnamed_addr #2 align 2 !dbg !28 { 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 !29, metadata !DIExpression()), !dbg !31 %this1 = load %struct.A*, %struct.A** %this.addr, align 8 ret void, !dbg !32 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @_ZN1A3barEv(%struct.A* %this) unnamed_addr #2 align 2 !dbg !33 { 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 !34, metadata !DIExpression()), !dbg !35 %this1 = load %struct.A*, %struct.A** %this.addr, align 8 ret void, !dbg !36 } ; Function Attrs: noinline norecurse nounwind optnone uwtable define dso_local i32 @main() #3 !dbg !37 { entry: %retval = alloca i32, align 4 store i32 0, i32* %retval, align 4 ret i32 0, !dbg !38 } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4, !5} !llvm.ident = !{!6} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 8.0.0 (trunk 344035)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) !1 = !DIFile(filename: "test.cc", directory: "/home/folder", checksumkind: CSK_MD5, checksum: "e0f357ad6dcb791a774a0dae55baf5e7") !2 = !{} !3 = !{i32 2, !"Dwarf Version", i32 5} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = !{i32 1, !"wchar_size", i32 4} !6 = !{!"clang version 8.0.0 (trunk 344035)"} !7 = distinct !DISubprogram(name: "baz", linkageName: "_Z3baz1A", scope: !1, file: !1, line: 6, type: !8, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) !8 = !DISubroutineType(types: !9) !9 = !{null, !10} !10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 64, flags: DIFlagTypePassByReference, elements: !11, vtableHolder: !10, identifier: "_ZTS1A") !11 = !{!12, !18, !22} !12 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !13, size: 64, flags: DIFlagArtificial) !13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64) !14 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: !15, size: 64) !15 = !DISubroutineType(types: !16) !16 = !{!17} !17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !18 = !DISubprogram(name: "foo", linkageName: "_ZN1A3fooEv", scope: !10, file: !1, line: 2, type: !19, isLocal: false, isDefinition: false, scopeLine: 2, containingType: !10, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPrototyped, isOptimized: false) !19 = !DISubroutineType(types: !20) !20 = !{null, !21} !21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !22 = !DISubprogram(name: "bar", linkageName: "_ZN1A3barEv", scope: !10, file: !1, line: 3, type: !19, isLocal: false, isDefinition: false, scopeLine: 3, containingType: !10, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 1, flags: DIFlagPrototyped, isOptimized: false) !23 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 6, type: !10) !24 = !DILocation(line: 6, column: 19, scope: !7) !25 = !DILocation(line: 7, column: 6, scope: !7) !26 = !DILocation(line: 8, column: 6, scope: !7) !27 = !DILocation(line: 9, column: 1, scope: !7) !28 = distinct !DISubprogram(name: "foo", linkageName: "_ZN1A3fooEv", scope: !10, file: !1, line: 12, type: !19, isLocal: false, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !18, retainedNodes: !2) !29 = !DILocalVariable(name: "this", arg: 1, scope: !28, type: !30, flags: DIFlagArtificial | DIFlagObjectPointer) !30 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64) !31 = !DILocation(line: 0, scope: !28) !32 = !DILocation(line: 12, column: 16, scope: !28) !33 = distinct !DISubprogram(name: "bar", linkageName: "_ZN1A3barEv", scope: !10, file: !1, line: 13, type: !19, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !22, retainedNodes: !2) !34 = !DILocalVariable(name: "this", arg: 1, scope: !33, type: !30, flags: DIFlagArtificial | DIFlagObjectPointer) !35 = !DILocation(line: 0, scope: !33) !36 = !DILocation(line: 13, column: 16, scope: !33) !37 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 15, type: !15, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) !38 = !DILocation(line: 16, column: 3, scope: !37)