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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
55 lines
2.3 KiB
LLVM
55 lines
2.3 KiB
LLVM
; RUN: llc < %s -filetype=obj | llvm-dwarfdump -debug-info - | FileCheck %s
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; from (at -Os):
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; void foo() {
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; float a = 3.14;
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; *(int *)&a = 0;
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; }
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.10.0"
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; Function Attrs: nounwind optsize readnone uwtable
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define void @foo() #0 !dbg !7 {
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entry:
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tail call void @llvm.dbg.declare(metadata float* undef, metadata !13, metadata !19), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 1078523331, metadata !13, metadata !19), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 0, metadata !13, metadata !19), !dbg !20
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; CHECK: DW_AT_const_value [DW_FORM_sdata] (0)
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; CHECK-NEXT: DW_AT_name {{.*}}"a"
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ret void, !dbg !21
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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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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind optsize readnone uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!15, !16, !17}
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!llvm.ident = !{!18}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0 (trunk 227686)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "foo.c", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !5)
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!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, isOptimized: true, unit: !0, scopeLine: 1, file: !8, scope: !9, type: !10, variables: !12)
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!8 = !DIFile(filename: "foo.c", directory: "")
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!9 = !DIFile(filename: "foo.c", directory: "")
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!10 = !DISubroutineType(types: !11)
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!11 = !{null}
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!12 = !{!13}
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!13 = !DILocalVariable(name: "a", line: 2, scope: !7, file: !9, type: !14)
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!14 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!15 = !{i32 2, !"Dwarf Version", i32 2}
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!16 = !{i32 2, !"Debug Info Version", i32 3}
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!17 = !{i32 1, !"PIC Level", i32 2}
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!18 = !{!"clang version 3.7.0 (trunk 227686)"}
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!19 = !DIExpression()
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!20 = !DILocation(line: 2, column: 9, scope: !7)
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!21 = !DILocation(line: 4, column: 1, scope: !7)
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