forked from OSchip/llvm-project
79 lines
4.1 KiB
LLVM
79 lines
4.1 KiB
LLVM
; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
|
|
; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
|
|
|
|
; Check for a variant part that has two members, one of which has a
|
|
; discriminant value.
|
|
|
|
; CHECK: DW_TAG_variant_part
|
|
; CHECK-NOT: TAG
|
|
; CHECK: DW_AT_discr [DW_FORM_ref4] (cu + {{0x[0-9a-fA-F]+}} => {[[OFFSET:0x[0-9a-fA-F]+]]})
|
|
; CHECK-NOT: TAG
|
|
; CHECK: [[OFFSET]]: DW_TAG_member
|
|
; CHECK: DW_AT_type
|
|
; CHECK: DW_AT_alignment
|
|
; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00)
|
|
; CHECK: DW_AT_artificial [DW_FORM_flag_present] (true)
|
|
; CHECK: DW_TAG_variant
|
|
; CHECK: DW_TAG_member
|
|
; CHECK: DW_AT_type
|
|
; CHECK: DW_AT_alignment
|
|
; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00)
|
|
; CHECK: DW_TAG_variant
|
|
; CHECK: DW_AT_discr_value [DW_FORM_data1] (0x00)
|
|
; CHECK: DW_TAG_member
|
|
; CHECK: DW_AT_type
|
|
; CHECK: DW_AT_alignment
|
|
; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00)
|
|
|
|
%F = type { [0 x i8], {}*, [8 x i8] }
|
|
%"F::Nope" = type {}
|
|
|
|
define internal void @_ZN2e34main17h934ff72f9a38d4bbE() unnamed_addr #0 !dbg !5 {
|
|
start:
|
|
%qq = alloca %F, align 8
|
|
call void @llvm.dbg.declare(metadata %F* %qq, metadata !10, metadata !28), !dbg !29
|
|
%0 = bitcast %F* %qq to {}**, !dbg !29
|
|
store {}* null, {}** %0, !dbg !29
|
|
%1 = bitcast %F* %qq to %"F::Nope"*, !dbg !29
|
|
ret void, !dbg !30
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
|
|
|
|
attributes #0 = { nounwind uwtable }
|
|
|
|
!llvm.module.flags = !{!0, !1}
|
|
!llvm.dbg.cu = !{!2}
|
|
|
|
!0 = !{i32 1, !"PIE Level", i32 2}
|
|
!1 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !3, producer: "clang LLVM (rustc version 1.24.0-dev)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4)
|
|
!3 = !DIFile(filename: "e3.rs", directory: "/home/tromey/Rust")
|
|
!4 = !{}
|
|
!5 = distinct !DISubprogram(name: "main", linkageName: "_ZN2e34mainE", scope: !6, file: !3, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagMainSubprogram, isOptimized: false, unit: !2, templateParams: !4, retainedNodes: !4)
|
|
!6 = !DINamespace(name: "e3", scope: null)
|
|
!7 = !DIFile(filename: "<unknown>", directory: "")
|
|
!8 = !DISubroutineType(types: !9)
|
|
!9 = !{null}
|
|
!10 = !DILocalVariable(name: "qq", scope: !11, file: !3, line: 3, type: !12, align: 8)
|
|
!11 = distinct !DILexicalBlock(scope: !5, file: !3, line: 3, column: 4)
|
|
!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "F", scope: !6, file: !7, size: 128, align: 64, elements: !13, identifier: "7ce1efff6b82281ab9ceb730566e7e20")
|
|
!13 = !{!14}
|
|
!14 = !DICompositeType(tag: DW_TAG_variant_part, name: "", scope: !12, file: !7, size: 128, align: 64, elements: !16, identifier: "7ce1efff6b82281ab9ceb730566e7e20", discriminator: !15)
|
|
!15 = !DIDerivedType(tag: DW_TAG_member, scope: !14, file: !7, baseType: !27, size: 64, align: 64, flags: DIFlagArtificial)
|
|
!16 = !{!17, !24}
|
|
!17 = !DIDerivedType(tag: DW_TAG_member, scope: !14, file: !7, baseType: !18, size: 128, align: 64)
|
|
!18 = !DICompositeType(tag: DW_TAG_structure_type, name: "Yep", scope: !12, file: !7, size: 128, align: 64, elements: !19, identifier: "7ce1efff6b82281ab9ceb730566e7e20::Yep")
|
|
!19 = !{!20, !22}
|
|
!20 = !DIDerivedType(tag: DW_TAG_member, name: "__0", scope: !18, file: !7, baseType: !21, size: 8, align: 8, offset: 64)
|
|
!21 = !DIBasicType(name: "u8", size: 8, encoding: DW_ATE_unsigned)
|
|
!22 = !DIDerivedType(tag: DW_TAG_member, name: "__1", scope: !18, file: !7, baseType: !23, size: 64, align: 64)
|
|
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "&u8", baseType: !21, size: 64, align: 64)
|
|
!24 = !DIDerivedType(tag: DW_TAG_member, scope: !14, file: !7, baseType: !25, size: 128, align: 64, extraData: i64 0)
|
|
!25 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nope", scope: !12, file: !7, size: 128, align: 64, elements: !4, identifier: "7ce1efff6b82281ab9ceb730566e7e20::Nope")
|
|
!27 = !DIBasicType(name: "u64", size: 64, encoding: DW_ATE_unsigned)
|
|
!28 = !DIExpression()
|
|
!29 = !DILocation(line: 3, scope: !11)
|
|
!30 = !DILocation(line: 4, scope: !5)
|