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474eb26f5c
Summary: In rL299692 I improved strip-dead-debug-info's ability to drop CUs that are not referenced from the current module. However, in doing so I neglected to realize that some SPs could be referenced entirely from inlined functions. It appears I was not the only one to make this mistake, because DebugInfoFinder, doesn't find those SPs either. Fix this in DebugInfoFinder and then use that to make sure not to drop those CUs in strip-dead-debug-info. Reviewers: aprantl Reviewed By: aprantl Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D31904 llvm-svn: 299936
32 lines
1.7 KiB
LLVM
32 lines
1.7 KiB
LLVM
; RUN: opt -analyze -module-debuginfo < %s | FileCheck %s
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; Verify that both compile units, even though one compile units's functions
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; were entirely inlined into the other.
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;CHECK: Compile unit: DW_LANG_C99 from /tmp/test1.c
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;CHECK: Compile unit: DW_LANG_C99 from /tmp/test2.c
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;CHECK: Subprogram: f from /tmp/test1.c:1
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;CHECK: Subprogram: g from /tmp/test2.c:1
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define void @f() !dbg !4 {
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ret void, !dbg !15
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}
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!llvm.dbg.cu = !{!0, !8}
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!llvm.module.flags = !{!13, !16}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (192092)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "test1.c", directory: "/tmp")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "test1.c", directory: "/tmp")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (192092)", isOptimized: false, emissionKind: FullDebug, file: !9, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!9 = !DIFile(filename: "test2.c", directory: "/tmp")
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!11 = distinct !DISubprogram(name: "g", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !8, scopeLine: 1, file: !9, scope: !12, type: !6, variables: !2)
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!12 = !DIFile(filename: "test2.c", directory: "/tmp")
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!13 = !{i32 2, !"Dwarf Version", i32 4}
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!14 = !DILocation(line: 1, scope: !4)
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!15 = !DILocation(line: 1, scope: !11, inlinedAt: !14)
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!16 = !{i32 1, !"Debug Info Version", i32 3}
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