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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
134 lines
6.4 KiB
LLVM
134 lines
6.4 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s
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; IR generated with `clang++ -g -emit-llvm -S` from the following code:
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; template<int x, int*, template<typename> class y, decltype(nullptr) n, int ...z> int func() { return 3; }
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; template<typename> struct y_impl { struct nested { }; };
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; int glbl = func<3, &glbl, y_impl, nullptr, 1, 2>();
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; y_impl<int>::nested n;
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; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type
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; CHECK-NEXT: DW_AT_name{{.*}} = "int"
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name{{.*}}"y_impl<int>"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_type_parameter
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; CHECK: DW_AT_name{{.*}}"func<3, &glbl, y_impl, nullptr, 1, 2>"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_name{{.*}}= "x"
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(3)
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INTPTR:0x[0-9a-f]*]]}
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; The address of the global 'glbl', followed by DW_OP_stack_value (9f), to use
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; the value immediately, rather than indirecting through the address.
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; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc]{{ *}}(DW_OP_addr 0x0, DW_OP_stack_value)
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_GNU_template_template_param
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; CHECK-NEXT: DW_AT_name{{.*}}= "y"
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; CHECK-NEXT: DW_AT_GNU_template_name{{.*}}= "y_impl"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[NULLPTR:0x[0-9a-f]*]]}
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; CHECK-NEXT: DW_AT_name{{.*}}= "n"
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata]{{.*}}(0)
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; CHECK: DW_TAG_GNU_template_parameter_pack
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(1)
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(2)
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; CHECK: [[INTPTR]]:{{ *}}DW_TAG_pointer_type
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; CHECK-NEXT: DW_AT_type{{.*}} => {[[INT]]}
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; CHECK: [[NULLPTR]]:{{ *}}DW_TAG_unspecified_type
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; CHECK-NEXT: DW_AT_name{{.*}}= "decltype(nullptr)"
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source_filename = "test/DebugInfo/X86/template.ll"
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%"struct.y_impl<int>::nested" = type { i8 }
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@glbl = global i32 0, align 4, !dbg !0
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@n = global %"struct.y_impl<int>::nested" zeroinitializer, align 1, !dbg !4
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@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_template.cpp, i8* null }]
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define internal void @__cxx_global_var_init() section ".text.startup" !dbg !17 {
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entry:
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%call = call i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv(), !dbg !20
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store i32 %call, i32* @glbl, align 4, !dbg !20
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ret void, !dbg !20
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}
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; Function Attrs: nounwind uwtable
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define linkonce_odr i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv() #0 !dbg !21 {
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entry:
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ret i32 3, !dbg !35
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}
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define internal void @_GLOBAL__sub_I_template.cpp() section ".text.startup" {
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entry:
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call void @__cxx_global_var_init(), !dbg !36
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ret void
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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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!llvm.dbg.cu = !{!11}
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!llvm.module.flags = !{!14, !15}
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!llvm.ident = !{!16}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "glbl", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "template.cpp", directory: "/tmp/dbginfo")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
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!5 = !DIGlobalVariable(name: "n", scope: null, file: !2, line: 4, type: !6, isLocal: false, isDefinition: true)
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!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "nested", scope: !7, file: !2, line: 2, size: 8, align: 8, elements: !8, identifier: "_ZTSN6y_implIiE6nestedE")
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!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "y_impl<int>", file: !2, line: 2, size: 8, align: 8, elements: !8, templateParams: !9, identifier: "_ZTS6y_implIiE")
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!8 = !{}
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!9 = !{!10}
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!10 = !DITemplateTypeParameter(type: !3)
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!11 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !8, retainedTypes: !12, globals: !13, imports: !8)
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!12 = !{!7, !6}
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!13 = !{!0, !4}
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!14 = !{i32 2, !"Dwarf Version", i32 4}
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!16 = !{!"clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)"}
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!17 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !2, file: !2, line: 3, type: !18, isLocal: true, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !11, variables: !8)
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!18 = !DISubroutineType(types: !19)
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!19 = !{null}
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!20 = !DILocation(line: 3, column: 12, scope: !17)
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!21 = distinct !DISubprogram(name: "func<3, &glbl, y_impl, nullptr, 1, 2>", linkageName: "_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv", scope: !2, file: !2, line: 1, type: !22, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !11, templateParams: !24, variables: !8)
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!22 = !DISubroutineType(types: !23)
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!23 = !{!3}
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!24 = !{!25, !26, !28, !29, !31}
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!25 = !DITemplateValueParameter(name: "x", type: !3, value: i32 3)
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!26 = !DITemplateValueParameter(type: !27, value: i32* @glbl)
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!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64)
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!28 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "y", value: !"y_impl")
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!29 = !DITemplateValueParameter(name: "n", type: !30, value: i8 0)
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!30 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "decltype(nullptr)")
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!31 = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "z", value: !32)
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!32 = !{!33, !34}
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!33 = !DITemplateValueParameter(type: !3, value: i32 1)
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!34 = !DITemplateValueParameter(type: !3, value: i32 2)
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!35 = !DILocation(line: 1, column: 96, scope: !21)
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!36 = !DILocation(line: 0, scope: !37)
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!37 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_template.cpp", scope: !2, file: !2, type: !38, isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !11, variables: !8)
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!38 = !DISubroutineType(types: !8)
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