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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
63 lines
2.6 KiB
LLVM
63 lines
2.6 KiB
LLVM
; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-line %t | FileCheck %s
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;
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; Generated from:
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;
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; int foo(int i) {
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; if (i < 10) return i - 1;
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; return 0;
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; }
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;
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; Manually generated debug nodes !14 and !15 to incorporate an
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; arbitrary discriminator with value 42.
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define i32 @foo(i32 %i) #0 !dbg !4 {
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entry:
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%retval = alloca i32, align 4
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%i.addr = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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%0 = load i32, i32* %i.addr, align 4, !dbg !10
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%cmp = icmp slt i32 %0, 10, !dbg !10
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br i1 %cmp, label %if.then, label %if.end, !dbg !10
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if.then: ; preds = %entry
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%1 = load i32, i32* %i.addr, align 4, !dbg !14
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%sub = sub nsw i32 %1, 1, !dbg !14
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store i32 %sub, i32* %retval, !dbg !14
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br label %return, !dbg !14
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if.end: ; preds = %entry
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store i32 0, i32* %retval, !dbg !12
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br label %return, !dbg !12
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return: ; preds = %if.end, %if.then
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%2 = load i32, i32* %retval, !dbg !13
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ret i32 %2, !dbg !13
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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 = !{!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, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "discriminator.c", directory: ".")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "discriminator.c", directory: ".")
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!6 = !DISubroutineType(types: !2)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 1, !"Debug Info Version", i32 3}
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!9 = !{!"clang version 3.5 "}
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!10 = !DILocation(line: 2, scope: !11)
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!11 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4)
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!12 = !DILocation(line: 3, scope: !4)
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!13 = !DILocation(line: 4, scope: !4)
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!14 = !DILocation(line: 2, scope: !15)
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!15 = !DILexicalBlockFile(discriminator: 42, file: !1, scope: !4)
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; CHECK: Address Line Column File ISA Discriminator Flags
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; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
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; CHECK: 0x000000000000000a 2 0 1 0 42 {{$}}
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