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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
57 lines
2.2 KiB
LLVM
57 lines
2.2 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc -mtriple=x86_64-linux-gnu -filetype=obj %s -o - | llvm-dwarfdump -all - | FileCheck %s
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; Test that we accept and generate DWARF entities for DW_TAG_structure_type,
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; DW_TAG_member and DW_TAG_typedef with no source location. These can come up
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; in some languages with predefined types.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.S = type { %struct.S* }
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define void @f() !dbg !4 {
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%x = alloca %struct.S, align 8
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; CHECK: DW_TAG_typedef
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; CHECK-NOT: DW_AT_decl_file
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; CHECK-NOT: DW_AT_decl_line
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; CHECK: DW_TAG_structure_type
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; CHECK-NOT: DW_AT_decl_file
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; CHECK-NOT: DW_AT_decl_line
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; CHECK: DW_TAG_member
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; CHECK-NOT: DW_AT_decl_file
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; CHECK-NOT: DW_AT_decl_line
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; CHECK: {{DW_TAG|NULL}}
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call void @llvm.dbg.declare(metadata %struct.S* %x, metadata !10, metadata !16), !dbg !17
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ret void, !dbg !18
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!llvm.ident = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "file.c", directory: "/dir")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: false, unit: !0, variables: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{!"clang"}
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!10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 8, type: !11)
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!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "SS", baseType: !12)
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!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 64, align: 64, elements: !13)
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!13 = !{!14}
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!14 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !12, baseType: !15, size: 64, align: 64)
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!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64)
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!16 = !DIExpression()
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!17 = !DILocation(line: 8, column: 6, scope: !4)
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!18 = !DILocation(line: 9, column: 1, scope: !4)
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