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af2c299da6
A number of X86 tests were accidentally disabled in https://reviews.llvm.org/D73568. This commit re-enables those tests. ``` $ for x86_test in $(gg 'REQUIRES: x86$' llvm/test | fst); do sed -i "" '/REQUIRES: x86/d' $x86_test; done ``` (Note that 'x86' is not an available feature, that's what caused the tests to be disabled.)
131 lines
5.8 KiB
LLVM
131 lines
5.8 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj < %s | llvm-dwarfdump -v - \
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; RUN: | FileCheck --check-prefix=MONOLITHIC %s
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -split-dwarf-file=foo.dwo -filetype=obj < %s \
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; RUN: | llvm-dwarfdump -v - | FileCheck --check-prefix=SPLIT %s
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; This basic test checks the emission of a DWARF v5 string offsets table in
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; the split and non-split (monolithic) scenario.
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;
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; Constructed from the following source with
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; clang -S -emit-llvm -gdwarf-5
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;
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; enum E {a, b, c};
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; E glob;
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;
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; In the non-split scenario, check the DW_AT_str_offsets_base attribute
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; in .debug_abbrev.
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; MONOLITHIC: .debug_abbrev contents:
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; MONOLITHIC-NOT: contents:
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; MONOLITHIC: DW_TAG_compile_unit
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; MONOLITHIC-NOT: DW_TAG
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; MONOLITHIC: DW_AT_str_offsets_base DW_FORM_sec_offset
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; Check that indexed strings come out correctly and that the DW_str_offsets_base attribute
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; is there and has the right value.
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; MONOLITHIC: .debug_info contents:
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; MONOLITHIC-NOT: contents:
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; MONOLITHIC: DW_TAG_compile_unit
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; MONOLITHIC-NOT: {{DW_TAG|NULL}}
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; MONOLITHIC: DW_AT_producer [DW_FORM_strx1] (indexed (00000000) string = "clang{{.*}}")
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; MONOLITHIC-NOT: {{DW_TAG|NULL}}
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; MONOLITHIC: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
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; MONOLITHIC-NOT: {{DW_TAG|NULL}}
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; MONOLITHIC: DW_AT_comp_dir [DW_FORM_strx1] (indexed (00000002) string = "/home/{{.*}}")
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; Extract the string offsets from the .debug_str section so we can check that
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; they are referenced correctly in the .debug_str_offsets section.
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; MONOLITHIC: .debug_str contents:
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; MONOLITHIC-NEXT: 0x00000000:
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; MONOLITHIC-NEXT: 0x[[STRING2:[0-9a-f]]]
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; MONOLITHIC-NEXT: 0x[[STRING3:[0-9a-f]]]
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; MONOLITHIC-NEXT: 0x[[STRING4:[0-9a-f]]]
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; Verify that the .debug_str_offsets section is there and that it starts
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; with an 8-byte header, followed by offsets into the .debug_str section.
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; MONOLITHIC: .debug_str_offsets contents:
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; MONOLITHIC-NEXT: Contribution size = 36, Format = DWARF32, Version = 5
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; MONOLITHIC-NEXT: 0x00000008: 00000000
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; MONOLITHIC-NEXT: 0x0000000c: [[STRING2]]
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; MONOLITHIC-NEXT: 0x00000010: [[STRING3]]
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; MONOLITHIC-NEXT: 0x00000014: [[STRING4]]
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; For split dwarf, verify that the skeleton unit has the DW_AT_str_offsets_base
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; attribute and that it has the right value.
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;
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; SPLIT: .debug_info contents:
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; SPLIT-NEXT: 0x00000000: Compile Unit:{{.*}}DW_UT_skeleton
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; SPLIT-NOT: contents:
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; SPLIT: DW_TAG_skeleton_unit
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; SPLIT-NOT: {{DW_TAG|contents:}}
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; SPLIT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
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; SPLIT: DW_AT_comp_dir [DW_FORM_strx1] (indexed (00000000) string = "/home/test")
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; SPLIT: DW_AT_dwo_name [DW_FORM_strx1] (indexed (00000001) string = "foo.dwo")
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; Check for the split CU in .debug_info.dwo.
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; SPLIT: .debug_info.dwo contents:
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; SPLIT-NEXT: 0x00000000: Compile Unit:{{.*}}DW_UT_split_compile
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; SPLIT-NOT: contents:
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; SPLIT: DW_TAG_compile_unit
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;
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; Check that a couple of indexed strings are displayed correctly and that
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; they have the right format (DW_FORM_strx1).
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; SPLIT-NOT: contents:
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; SPLIT: DW_TAG_enumerator
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; SPLIT-NOT: {{DW_TAG|NULL}}
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; SPLIT: DW_AT_name [DW_FORM_strx1] (indexed (00000001) string = "a")
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; SPLIT-NOT: contents:
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; SPLIT: DW_TAG_enumerator
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; SPLIT-NOT: {{DW_TAG|NULL}}
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; SPLIT: DW_AT_name [DW_FORM_strx1] (indexed (00000002) string = "b")
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;
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; Extract the string offsets referenced in the main file by the skeleton unit.
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; SPLIT: .debug_str contents:
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; SPLIT-NEXT: 0x[[STRHOMETESTSPLIT:[0-9a-f]*]]: "/home/test"
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; SPLIT-NEXT: 0x[[STRESPLIT:[0-9a-f]*]]: "E"
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; SPLIT-NEXT: 0x[[STRGLOBSPLIT:[0-9a-f]*]]: "glob"
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; SPLIT-NEXT: 0x[[STRFOODWOSPLIT:[0-9a-f]*]]: "foo.dwo"
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;
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; Extract the string offsets referenced in the .dwo file by the split unit.
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; SPLIT: .debug_str.dwo contents:
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; SPLIT-NEXT: 0x00000000:{{.*}}
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; SPLIT-NEXT: 0x[[STRING2DWO:[0-9a-f]*]]{{.*}}
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; SPLIT-NEXT: 0x[[STRING3DWO:[0-9a-f]*]]{{.*}}
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;
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; Check the string offsets sections in both the main and the .dwo files and
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; verify that the extracted string offsets are referenced correctly. The
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; sections should contain only the offsets of strings that are actually
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; referenced by the debug info.
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; SPLIT: .debug_str_offsets contents:
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; SPLIT-NEXT: 0x00000000: Contribution size = 12, Format = DWARF32, Version = 5
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; SPLIT-NEXT: 0x00000008: [[STRHOMETESTSPLIT]] "/home/test"
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; SPLIT-NEXT: 0x0000000c: [[STRFOODWOSPLIT]] "foo.dwo"
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; SPLIT-EMPTY:
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; SPLIT: .debug_str_offsets.dwo contents:
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; SPLIT-NEXT: 0x00000000: Contribution size = 36, Format = DWARF32, Version = 5
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; SPLIT-NEXT: 0x00000008: 00000000{{.*}}
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; SPLIT-NEXT: 0x0000000c: [[STRING2DWO]]{{.*}}
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; SPLIT-NEXT: 0x00000010: [[STRING3DWO]]
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@glob = global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!11, !12, !13}
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!llvm.ident = !{!14}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "glob", scope: !2, file: !3, line: 3, type: !5, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 322415)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !10)
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!3 = !DIFile(filename: "en.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "d96b2e2d618e550f0ddd0b6a49c98b02")
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!4 = !{!5}
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!5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E", file: !3, line: 1, size: 32, elements: !6, identifier: "_ZTS1E")
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!6 = !{!7, !8, !9}
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!7 = !DIEnumerator(name: "a", value: 0)
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!8 = !DIEnumerator(name: "b", value: 1)
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!9 = !DIEnumerator(name: "c", value: 2)
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!10 = !{!0}
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!11 = !{i32 2, !"Dwarf Version", i32 5}
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!12 = !{i32 2, !"Debug Info Version", i32 3}
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!13 = !{i32 1, !"wchar_size", i32 4}
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!14 = !{!"clang version 7.0.0 (trunk 322415)"}
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