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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
45 lines
1.8 KiB
LLVM
45 lines
1.8 KiB
LLVM
; RUN: %llc_dwarf -filetype=obj -mattr=+vfp2 -float-abi=hard < %s | llvm-dwarfdump -debug-info - | FileCheck %s
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; RUN: %llc_dwarf -filetype=obj -mattr=-vfp2 -float-abi=soft < %s | llvm-dwarfdump -debug-info - | FileCheck %s
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; REQUIRES: object-emission
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; Generated by clang -O1 -g from the following C source:
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; float foo(float p) {
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; return p;
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; }
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; When using the soft-float calling convention, we have to look through a
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; bitcast to find the register which contains the argument.
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; CHECK: 0x{{[0-9a-f]*}}: DW_TAG_formal_parameter
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; CHECK-NEXT: DW_AT_location
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv7--none-eabi"
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define float @foo(float %p) !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata float %p, metadata !9, metadata !15), !dbg !16
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ret float %p, !dbg !18
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.c", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !8)
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!5 = !DISubroutineType(types: !6)
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!6 = !{!7, !7}
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!7 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!8 = !{!9}
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!9 = !DILocalVariable(name: "p", arg: 1, scope: !4, file: !1, line: 1, type: !7)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!15 = !DIExpression()
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!16 = !DILocation(line: 1, column: 17, scope: !4)
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!17 = !DILocation(line: 2, column: 12, scope: !4)
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!18 = !DILocation(line: 2, column: 3, scope: !4)
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