test/DebugInfo/COFF/types-array-unsized.ll

; RUN: llc -filetype=obj < %s | llvm-readobj -codeview | FileCheck %s

; We should emit two array types: one used to describe the static data member,
; and the other used by the S_GDATA32 for the definition.

; C++ source:
; struct Foo {
;   static const char str[];
; };
; const char Foo::str[] = "asdf";
; Foo f; // FIXME: only needed to force emit 'Foo'

; CHECK:      CodeViewTypes [
; CHECK:        Array ([[ARRAY_COMPLETE:0x.*]]) {
; CHECK-NEXT:     TypeLeafKind: LF_ARRAY (0x1503)
; CHECK-NEXT:     ElementType: const char ({{.*}})
; CHECK-NEXT:     IndexType: unsigned __int64 (0x23)
; CHECK-NEXT:     SizeOf: 5
; CHECK-NEXT:     Name: 
; CHECK-NEXT:   }
; CHECK:        Array ([[ARRAY_FWD:0x.*]]) {
; CHECK-NEXT:     TypeLeafKind: LF_ARRAY (0x1503)
; CHECK-NEXT:     ElementType: const char ({{.*}})
; CHECK-NEXT:     IndexType: unsigned __int64 (0x23)
; CHECK-NEXT:     SizeOf: 0
; CHECK-NEXT:     Name: 
; CHECK-NEXT:   }
; CHECK:        FieldList (0x1004) {
; CHECK-NEXT:     TypeLeafKind: LF_FIELDLIST (0x1203)
; CHECK-NEXT:     StaticDataMember {
; CHECK-NEXT:       TypeLeafKind: LF_STMEMBER (0x150E)
; CHECK-NEXT:       AccessSpecifier: Public (0x3)
; CHECK-NEXT:       Type: [[ARRAY_FWD]]
; CHECK-NEXT:       Name: str
; CHECK-NEXT:     }
; CHECK-NEXT:   }
; CHECK:      ]

; CHECK:          GlobalData {
; CHECK-NEXT:       Kind: S_GDATA32 (0x110D)
; CHECK-NEXT:       DataOffset: ?str@Foo@@2QBDB+0x0
; CHECK-NEXT:       Type: [[ARRAY_COMPLETE]]
; CHECK-NEXT:       DisplayName: str
; CHECK-NEXT:       LinkageName: ?str@Foo@@2QBDB
; CHECK-NEXT:     }

; ModuleID = 't.cpp'
source_filename = "t.cpp"
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.0.24215"

%struct.Foo = type { i8 }

@"\01?str@Foo@@2QBDB" = constant [5 x i8] c"asdf\00", align 1, !dbg !0
@"\01?f@@3UFoo@@A" = global %struct.Foo zeroinitializer, align 1, !dbg !6

!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!19, !20, !21, !22}
!llvm.ident = !{!23}

!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "str", linkageName: "\01?str@Foo@@2QBDB", scope: !2, file: !3, line: 4, type: !16, isLocal: false, isDefinition: true, declaration: !10)
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 6.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
!3 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild", checksumkind: CSK_MD5, checksum: "15aa843c5a80301928caf03e71f87a54")
!4 = !{}
!5 = !{!0, !6}
!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
!7 = distinct !DIGlobalVariable(name: "f", linkageName: "\01?f@@3UFoo@@A", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true)
!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !3, line: 1, size: 8, elements: !9, identifier: ".?AUFoo@@")
!9 = !{!10}
!10 = !DIDerivedType(tag: DW_TAG_member, name: "str", scope: !8, file: !3, line: 2, baseType: !11, flags: DIFlagStaticMember)
!11 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, elements: !14)
!12 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13)
!13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
!14 = !{!15}
!15 = !DISubrange(count: -1)
!16 = !DICompositeType(tag: DW_TAG_array_type, baseType: !12, size: 40, elements: !17)
!17 = !{!18}
!18 = !DISubrange(count: 5)
!19 = !{i32 2, !"CodeView", i32 1}
!20 = !{i32 2, !"Debug Info Version", i32 3}
!21 = !{i32 1, !"wchar_size", i32 2}
!22 = !{i32 7, !"PIC Level", i32 2}
!23 = !{!"clang version 6.0.0 "}