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https://github.com/c64scene-ar/llvm-6502.git
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bf2040f00c
Remove the fake `DW_TAG_auto_variable` and `DW_TAG_arg_variable` tags,
using `DW_TAG_variable` in their place Stop exposing the `tag:` field at
all in the assembly format for `DILocalVariable`.
Most of the testcase updates were generated by the following sed script:
find test/ -name "*.ll" -o -name "*.mir" |
xargs grep -l 'DILocalVariable' |
xargs sed -i '' \
-e 's/tag: DW_TAG_arg_variable, //' \
-e 's/tag: DW_TAG_auto_variable, //'
There were only a handful of tests in `test/Assembly` that I needed to
update by hand.
(Note: a follow-up could change `DILocalVariable::DILocalVariable()` to
set the tag to `DW_TAG_formal_parameter` instead of `DW_TAG_variable`
(as appropriate), instead of having that logic magically in the backend
in `DbgVariable`. I've added a FIXME to that effect.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243774 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
3.6 KiB
LLVM
74 lines
3.6 KiB
LLVM
; For http://llvm.org/bugs/show_bug.cgi?id=12942
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; There are two CUs coming from /tmp/foo.c in this module. Make sure it doesn't
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; blow llc up and produces something reasonable.
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;
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; REQUIRES: object-emission
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; RUN: %llc_dwarf %s -o %t -filetype=obj -O0
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; ModuleID = 'test.bc'
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@str = private unnamed_addr constant [4 x i8] c"FOO\00"
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@str1 = private unnamed_addr constant [6 x i8] c"Main!\00"
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define void @foo() nounwind {
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entry:
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%puts = tail call i32 @puts(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str, i32 0, i32 0)), !dbg !23
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ret void, !dbg !25
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}
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declare i32 @puts(i8* nocapture) nounwind
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define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
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entry:
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tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !21, metadata !DIExpression()), !dbg !26
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tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !DIExpression()), !dbg !27
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%puts = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @str1, i32 0, i32 0)), !dbg !28
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tail call void @foo() nounwind, !dbg !30
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ret i32 0, !dbg !31
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0, !9}
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!llvm.module.flags = !{!33}
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!0 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 (trunk 156513)", isOptimized: true, emissionKind: 1, file: !32, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1)
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!1 = !{}
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!3 = !{!5}
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!5 = !DISubprogram(name: "foo", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !32, scope: !6, type: !7, function: void ()* @foo, variables: !1)
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!6 = !DIFile(filename: "foo.c", directory: "/tmp")
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!7 = !DISubroutineType(types: !8)
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!8 = !{null}
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!9 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 (trunk 156513)", isOptimized: true, emissionKind: 1, file: !32, enums: !1, retainedTypes: !1, subprograms: !10, globals: !1, imports: !1)
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!10 = !{!12}
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!12 = !DISubprogram(name: "main", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !32, scope: !6, type: !13, function: i32 (i32, i8**)* @main, variables: !19)
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!13 = !DISubroutineType(types: !14)
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!14 = !{!15, !15, !16}
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!15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!16 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !17)
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!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !18)
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!18 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
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!19 = !{!21, !22}
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!21 = !DILocalVariable(name: "argc", line: 11, arg: 1, scope: !12, file: !6, type: !15)
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!22 = !DILocalVariable(name: "argv", line: 11, arg: 2, scope: !12, file: !6, type: !16)
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!23 = !DILocation(line: 6, column: 3, scope: !24)
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!24 = distinct !DILexicalBlock(line: 5, column: 16, file: !32, scope: !5)
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!25 = !DILocation(line: 7, column: 1, scope: !24)
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!26 = !DILocation(line: 11, column: 14, scope: !12)
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!27 = !DILocation(line: 11, column: 26, scope: !12)
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!28 = !DILocation(line: 12, column: 3, scope: !29)
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!29 = distinct !DILexicalBlock(line: 11, column: 34, file: !32, scope: !12)
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!30 = !DILocation(line: 13, column: 3, scope: !29)
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!31 = !DILocation(line: 14, column: 3, scope: !29)
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!32 = !DIFile(filename: "foo.c", directory: "/tmp")
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; This test is simple to be cross platform (many targets don't yet have
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; sufficiently good DWARF emission and/or dumping)
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; CHECK: {{DW_TAG_compile_unit}}
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; CHECK: {{foo\.c}}
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!33 = !{i32 1, !"Debug Info Version", i32 3}
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