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37ec73c718
As discussed on llvm-dev in http://lists.llvm.org/pipermail/llvm-dev/2017-September/117301.html this changes the command line interface of llvm-dwarfdump to match the one used by the dwarfdump utility shipping on macOS. In addition to being shorter to type this format also has the advantage of allowing more than one section to be specified at the same time. In a nutshell, with this change $ llvm-dwarfdump --debug-dump=info $ llvm-dwarfdump --debug-dump=apple-objc becomes $ dwarfdump --debug-info --apple-objc Differential Revision: https://reviews.llvm.org/D37714 llvm-svn: 312970
99 lines
4.9 KiB
LLVM
99 lines
4.9 KiB
LLVM
; RUN: llc -split-dwarf-file=foo.dwo -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -all %t | FileCheck %s
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; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=CHECK-RELOCS %s
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; From:
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; class A {
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; public:
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; A(int i = 0) : a(i) {}
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; private:
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; int a;
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; };
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;
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; A a;
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; With function sections enabled make sure that we have a DW_AT_ranges attribute.
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; CHECK: DW_AT_ranges
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; Check that we have a relocation against the .debug_ranges section.
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; CHECK-RELOCS: R_X86_64_32 .debug_ranges 0x0
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source_filename = "test/DebugInfo/X86/cu-ranges-odr.ll"
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%class.A = type { i32 }
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@a = global %class.A zeroinitializer, align 4, !dbg !0
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
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define internal void @__cxx_global_var_init() section ".text.startup" !dbg !18 {
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entry:
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call void @_ZN1AC2Ei(%class.A* @a, i32 0), !dbg !21
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ret void, !dbg !21
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}
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; Function Attrs: nounwind uwtable
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define linkonce_odr void @_ZN1AC2Ei(%class.A* %this, i32 %i) unnamed_addr #0 align 2 !dbg !22 {
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entry:
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%this.addr = alloca %class.A*, align 8
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%i.addr = alloca i32, align 4
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store %class.A* %this, %class.A** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !23, metadata !25), !dbg !26
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store i32 %i, i32* %i.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !27, metadata !25), !dbg !28
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%this1 = load %class.A*, %class.A** %this.addr
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%a = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !28
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%0 = load i32, i32* %i.addr, align 4, !dbg !28
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store i32 %0, i32* %a, align 4, !dbg !28
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ret void, !dbg !28
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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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define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !29 {
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entry:
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call void @__cxx_global_var_init(), !dbg !31
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ret void, !dbg !31
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}
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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" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!11}
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!llvm.module.flags = !{!15, !16}
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!llvm.ident = !{!17}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 8, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "baz.cpp", directory: "/usr/local/google/home/echristo/tmp")
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!3 = !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !2, line: 1, size: 32, align: 32, elements: !4, identifier: "_ZTS1A")
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!4 = !{!5, !7}
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!5 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !3, file: !2, line: 5, baseType: !6, size: 32, align: 32, flags: DIFlagPrivate)
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!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !DISubprogram(name: "A", scope: !3, file: !2, line: 3, type: !8, isLocal: false, isDefinition: false, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null, !10, !6}
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!11 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5 (trunk 199923) (llvm/trunk 199940)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !12, retainedTypes: !13, globals: !14, imports: !12)
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!12 = !{}
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!13 = !{!3}
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!14 = !{!0}
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!15 = !{i32 2, !"Dwarf Version", i32 4}
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!16 = !{i32 1, !"Debug Info Version", i32 3}
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!17 = !{!"clang version 3.5 (trunk 199923) (llvm/trunk 199940)"}
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!18 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !2, file: !2, line: 8, type: !19, isLocal: true, isDefinition: true, scopeLine: 8, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !11, variables: !12)
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!19 = !DISubroutineType(types: !20)
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!20 = !{null}
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!21 = !DILocation(line: 8, scope: !18)
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!22 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ei", scope: !3, file: !2, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !11, declaration: !7, variables: !12)
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!23 = !DILocalVariable(name: "this", arg: 1, scope: !22, type: !24, flags: DIFlagArtificial | DIFlagObjectPointer)
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!24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64)
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!25 = !DIExpression()
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!26 = !DILocation(line: 0, scope: !22)
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!27 = !DILocalVariable(name: "i", arg: 2, scope: !22, file: !2, line: 3, type: !6)
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!28 = !DILocation(line: 3, scope: !22)
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!29 = distinct !DISubprogram(linkageName: "_GLOBAL__I_a", scope: !2, file: !2, line: 3, type: !30, isLocal: true, isDefinition: true, scopeLine: 3, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, unit: !11, variables: !12)
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!30 = !DISubroutineType(types: !12)
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!31 = !DILocation(line: 3, scope: !29)
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