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8d39c02660
Added checks to make sure the Scalarizer::transferMetadata() don't remove valid debug locations from instructions. This is important as the verifier pass require that e.g. inlinable callsites have a valid debug location. https://llvm.org/bugs/show_bug.cgi?id=27938 Patch by Karl-Johan Karlsson Reviewers: dblaikie Differential Revision: http://reviews.llvm.org/D20807 llvm-svn: 272884
44 lines
1.7 KiB
LLVM
44 lines
1.7 KiB
LLVM
; RUN: opt -S -march=x86 -scalarizer %s | FileCheck %s
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; Reproducer for pr27938
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; https://llvm.org/bugs/show_bug.cgi?id=27938
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define i16 @f1() !dbg !5 {
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ret i16 undef, !dbg !9
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}
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define void @f2() !dbg !10 {
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bb1:
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%_tmp7 = tail call i16 @f1(), !dbg !13
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; CHECK: call i16 @f1(), !dbg !13
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%broadcast.splatinsert5 = insertelement <4 x i16> undef, i16 %_tmp7, i32 0
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%broadcast.splat6 = shufflevector <4 x i16> %broadcast.splatinsert5, <4 x i16> undef, <4 x i32> zeroinitializer
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br label %vector.body
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vector.body:
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br i1 undef, label %middle.block, label %vector.body
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middle.block:
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ret void, !dbg !15
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, retainedTypes: !2)
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!1 = !DIFile(filename: "dbgloc-bug.c", directory: ".")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 9, type: !6, isLocal: false, isDefinition: true, scopeLine: 10, isOptimized: true, unit: !0, variables: !2)
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(name: "short", size: 16, align: 16, encoding: DW_ATE_signed)
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!9 = !DILocation(line: 11, column: 5, scope: !5)
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!10 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 14, type: !11, isLocal: false, isDefinition: true, scopeLine: 15, isOptimized: true, unit: !0, variables: !2)
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!11 = !DISubroutineType(types: !12)
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!12 = !{null}
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!13 = !DILocation(line: 24, column: 9, scope: !14)
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!14 = !DILexicalBlock(scope: !10, file: !1, line: 17, column: 5)
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!15 = !DILocation(line: 28, column: 1, scope: !10)
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