1 ; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t 2 ; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s 3 ; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=CHECK-RELOCS %s 4 5 ; From: 6 ; class A { 7 ; public: 8 ; A(int i = 0) : a(i) {} 9 ; private: 10 ; int a; 11 ; }; 12 ; 13 ; A a; 14 15 ; With function sections enabled make sure that we have a DW_AT_ranges attribute. 16 ; CHECK: DW_AT_ranges 17 18 ; Check that we have a relocation against the .debug_ranges section. 19 ; CHECK-RELOCS: R_X86_64_32 .debug_ranges 0x0 20 21 %class.A = type { i32 } 22 23 @a = global %class.A zeroinitializer, align 4 24 @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] 25 26 define internal void @__cxx_global_var_init() section ".text.startup" !dbg !14 { 27 entry: 28 call void @_ZN1AC2Ei(%class.A* @a, i32 0), !dbg !26 29 ret void, !dbg !26 30 } 31 32 ; Function Attrs: nounwind uwtable 33 define linkonce_odr void @_ZN1AC2Ei(%class.A* %this, i32 %i) unnamed_addr #0 align 2 !dbg !18 { 34 entry: 35 %this.addr = alloca %class.A*, align 8 36 %i.addr = alloca i32, align 4 37 store %class.A* %this, %class.A** %this.addr, align 8 38 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !27, metadata !DIExpression()), !dbg !29 39 store i32 %i, i32* %i.addr, align 4 40 call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !30, metadata !DIExpression()), !dbg !31 41 %this1 = load %class.A*, %class.A** %this.addr 42 %a = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !31 43 %0 = load i32, i32* %i.addr, align 4, !dbg !31 44 store i32 %0, i32* %a, align 4, !dbg !31 45 ret void, !dbg !31 46 } 47 48 ; Function Attrs: nounwind readnone 49 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 50 51 define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !19 { 52 entry: 53 call void @__cxx_global_var_init(), !dbg !32 54 ret void, !dbg !32 55 } 56 57 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 58 attributes #1 = { nounwind readnone } 59 60 !llvm.dbg.cu = !{!0} 61 !llvm.module.flags = !{!23, !24} 62 !llvm.ident = !{!25} 63 64 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 (trunk 199923) (llvm/trunk 199940)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !13, globals: !21, imports: !2) 65 !1 = !DIFile(filename: "baz.cpp", directory: "/usr/local/google/home/echristo/tmp") 66 !2 = !{} 67 !3 = !{!4} 68 !4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 32, align: 32, file: !1, elements: !5, identifier: "_ZTS1A") 69 !5 = !{!6, !8} 70 !6 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 5, size: 32, align: 32, flags: DIFlagPrivate, file: !1, scope: !"_ZTS1A", baseType: !7) 71 !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 72 !8 = !DISubprogram(name: "A", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !"_ZTS1A", type: !9) 73 !9 = !DISubroutineType(types: !10) 74 !10 = !{null, !11, !7} 75 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A") 76 !13 = !{!14, !18, !19} 77 !14 = distinct !DISubprogram(name: "__cxx_global_var_init", line: 8, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 8, file: !1, scope: !15, type: !16, variables: !2) 78 !15 = !DIFile(filename: "baz.cpp", directory: "/usr/local/google/home/echristo/tmp") 79 !16 = !DISubroutineType(types: !17) 80 !17 = !{null} 81 !18 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ei", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !"_ZTS1A", type: !9, declaration: !8, variables: !2) 82 !19 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__I_a", line: 3, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, scopeLine: 3, file: !1, scope: !15, type: !20, variables: !2) 83 !20 = !DISubroutineType(types: !2) 84 !21 = !{!22} 85 !22 = !DIGlobalVariable(name: "a", line: 8, isLocal: false, isDefinition: true, scope: null, file: !15, type: !4, variable: %class.A* @a) 86 !23 = !{i32 2, !"Dwarf Version", i32 4} 87 !24 = !{i32 1, !"Debug Info Version", i32 3} 88 !25 = !{!"clang version 3.5 (trunk 199923) (llvm/trunk 199940)"} 89 !26 = !DILocation(line: 8, scope: !14) 90 !27 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !18, type: !28) 91 !28 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A") 92 !29 = !DILocation(line: 0, scope: !18) 93 !30 = !DILocalVariable(name: "i", line: 3, arg: 2, scope: !18, file: !15, type: !7) 94 !31 = !DILocation(line: 3, scope: !18) 95 !32 = !DILocation(line: 3, scope: !19) 96
