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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
48 lines
2.3 KiB
LLVM
48 lines
2.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-line %t | FileCheck %s
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; Check that the line table starts at 7, not 4, but that the first
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; statement isn't until line 8.
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; CHECK-NOT: 0x0000000000000000 7 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000000 7 0 1 0
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; CHECK: 0x0000000000000004 8 18 1 0 0 is_stmt prologue_end
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define i32 @callee(i32 %x) nounwind uwtable ssp !dbg !5 {
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entry:
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%x.addr = alloca i32, align 4
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%y = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
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call void @llvm.dbg.declare(metadata i32* %y, metadata !14, metadata !DIExpression()), !dbg !16
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%0 = load i32, i32* %x.addr, align 4, !dbg !17
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%1 = load i32, i32* %x.addr, align 4, !dbg !17
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%mul = mul nsw i32 %0, %1, !dbg !17
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store i32 %mul, i32* %y, align 4, !dbg !17
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%2 = load i32, i32* %y, align 4, !dbg !18
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%sub = sub nsw i32 %2, 2, !dbg !18
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ret i32 %sub, !dbg !18
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!20}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 153921) (llvm/trunk 153916)", isOptimized: false, emissionKind: FullDebug, file: !19, enums: !1, retainedTypes: !1, globals: !1, imports: !1)
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!1 = !{}
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!5 = distinct !DISubprogram(name: "callee", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 7, file: !19, scope: !6, type: !7)
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!6 = !DIFile(filename: "ending-run.c", directory: "/Users/echristo/tmp")
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, !9}
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !DILocalVariable(name: "x", line: 5, arg: 1, scope: !5, file: !6, type: !9)
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!13 = !DILocation(line: 5, column: 5, scope: !5)
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!14 = !DILocalVariable(name: "y", line: 8, scope: !15, file: !6, type: !9)
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!15 = distinct !DILexicalBlock(line: 7, column: 1, file: !19, scope: !5)
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!16 = !DILocation(line: 8, column: 9, scope: !15)
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!17 = !DILocation(line: 8, column: 18, scope: !15)
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!18 = !DILocation(line: 9, column: 5, scope: !15)
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!19 = !DIFile(filename: "ending-run.c", directory: "/Users/echristo/tmp")
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!20 = !{i32 1, !"Debug Info Version", i32 3}
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