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https://github.com/c64scene-ar/llvm-6502.git
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763e18696f
As part of PR22777, fix testcases that fail the debug info verifier.
The changes fall into the following categories:
- Empty `filename:` fields in `MDFile`s. Compile units and some types
require non-empty filenames. A number of testcases have empty
filenames, probably due to hand-reduction of testcases.
- Not-quite empty arrays: `!{i32 0}`. This used to be equivalent in
the debug info schema to `!{}`. They cause problems for
`!MDSubroutineType`'s `types:` array, since it requires all operands
to be valid types. (Note that `!{null}` is the correct type array
for functions that take no arguments and return `void`.)
- Significantly bitrotted testcases. Nodes got left behind a few
upgrades ago because of missing or invalid tags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232415 91177308-0d34-0410-b5e6-96231b3b80d8
104 lines
6.1 KiB
LLVM
104 lines
6.1 KiB
LLVM
; RUN: llc < %s -O2 -mtriple=aarch64-none-linux-gnu
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; Bug 20598
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define void @test() #0 {
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entry:
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br label %for.body, !dbg !39
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for.body: ; preds = %for.body, %entry
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%arrayidx5 = getelementptr inbounds i32, i32* null, i64 1, !dbg !43
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%0 = load i32, i32* null, align 4, !dbg !45, !tbaa !46
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%s1 = sub nsw i32 0, %0, !dbg !50
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%n1 = sext i32 %s1 to i64, !dbg !50
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%arrayidx21 = getelementptr inbounds i32, i32* null, i64 3, !dbg !51
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%add53 = add nsw i64 %n1, 0, !dbg !52
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%add55 = add nsw i64 %n1, 0, !dbg !53
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%mul63 = mul nsw i64 %add53, -20995, !dbg !54
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tail call void @llvm.dbg.value(metadata i64 %mul63, i64 0, metadata !30, metadata !MDExpression()), !dbg !55
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%mul65 = mul nsw i64 %add55, -3196, !dbg !56
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%add67 = add nsw i64 0, %mul65, !dbg !57
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%add80 = add i64 0, 1024, !dbg !58
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%add81 = add i64 %add80, %mul63, !dbg !58
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%add82 = add i64 %add81, 0, !dbg !58
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%shr83351 = lshr i64 %add82, 11, !dbg !58
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%conv84 = trunc i64 %shr83351 to i32, !dbg !58
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store i32 %conv84, i32* %arrayidx21, align 4, !dbg !58, !tbaa !46
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%add86 = add i64 0, 1024, !dbg !59
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%add87 = add i64 %add86, 0, !dbg !59
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%add88 = add i64 %add87, %add67, !dbg !59
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%shr89352 = lshr i64 %add88, 11, !dbg !59
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%n2 = trunc i64 %shr89352 to i32, !dbg !59
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store i32 %n2, i32* %arrayidx5, align 4, !dbg !59, !tbaa !46
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br label %for.body, !dbg !39
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind "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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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!36, !37}
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!llvm.ident = !{!38}
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!0 = !MDCompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !MDFile(filename: "test.c", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !MDSubprogram(name: "", line: 140, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 141, file: !1, scope: !1, type: !6, function: void ()* @test, variables: !12)
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!6 = !MDSubroutineType(types: !7)
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!7 = !{null, !8}
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!8 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
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!9 = !MDDerivedType(tag: DW_TAG_typedef, line: 30, file: !1, baseType: !11)
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!11 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !{!13, !14, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27, !28, !29, !30, !31, !32, !33, !34, !35}
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!13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "", line: 140, arg: 1, scope: !4, file: !1, type: !8)
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!14 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!15 = !MDDerivedType(tag: DW_TAG_typedef, line: 183, file: !1, baseType: !17)
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!17 = !MDBasicType(tag: DW_TAG_base_type, size: 64, align: 64, encoding: DW_ATE_signed)
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!18 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!19 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!20 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!21 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!22 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!23 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!24 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 142, scope: !4, file: !1, type: !15)
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!25 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 143, scope: !4, file: !1, type: !15)
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!26 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 143, scope: !4, file: !1, type: !15)
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!27 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 143, scope: !4, file: !1, type: !15)
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!28 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 143, scope: !4, file: !1, type: !15)
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!29 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 144, scope: !4, file: !1, type: !15)
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!30 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 144, scope: !4, file: !1, type: !15)
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!31 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 144, scope: !4, file: !1, type: !15)
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!32 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 144, scope: !4, file: !1, type: !15)
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!33 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 144, scope: !4, file: !1, type: !15)
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!34 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 145, scope: !4, file: !1, type: !8)
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!35 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "", line: 146, scope: !4, file: !1, type: !11)
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!36 = !{i32 2, !"Dwarf Version", i32 4}
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!37 = !{i32 2, !"Debug Info Version", i32 3}
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!38 = !{!"clang version 3.6.0 "}
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!39 = !MDLocation(line: 154, column: 8, scope: !40)
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!40 = distinct !MDLexicalBlock(line: 154, column: 8, file: !1, scope: !41)
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!41 = distinct !MDLexicalBlock(line: 154, column: 8, file: !1, scope: !42)
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!42 = distinct !MDLexicalBlock(line: 154, column: 3, file: !1, scope: !4)
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!43 = !MDLocation(line: 157, column: 5, scope: !44)
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!44 = distinct !MDLexicalBlock(line: 154, column: 42, file: !1, scope: !42)
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!45 = !MDLocation(line: 159, column: 5, scope: !44)
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!46 = !{!47, !47, i64 0}
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!47 = !{!"int", !48, i64 0}
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!48 = !{!"omnipotent char", !49, i64 0}
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!49 = !{!"Simple C/C++ TBAA"}
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!50 = !MDLocation(line: 160, column: 5, scope: !44)
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!51 = !MDLocation(line: 161, column: 5, scope: !44)
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!52 = !MDLocation(line: 188, column: 5, scope: !44)
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!53 = !MDLocation(line: 190, column: 5, scope: !44)
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!54 = !MDLocation(line: 198, column: 5, scope: !44)
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!55 = !MDLocation(line: 144, column: 13, scope: !4)
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!56 = !MDLocation(line: 200, column: 5, scope: !44)
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!57 = !MDLocation(line: 203, column: 5, scope: !44)
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!58 = !MDLocation(line: 207, column: 5, scope: !44)
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!59 = !MDLocation(line: 208, column: 5, scope: !44)
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