test/CodeGen/BPF/BTF/array-size-0.ll

; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s

; Source code:
;   struct t {};
;   struct t a[10];
; Compilation flag:
;   clang -target bpf -O2 -g -S -emit-llvm t.c

%struct.t = type {}

@a = common dso_local local_unnamed_addr global [10 x %struct.t] zeroinitializer, align 1, !dbg !0

!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!10, !11, !12}
!llvm.ident = !{!13}

; CHECK:             .section        .BTF,"",@progbits
; CHECK-NEXT:        .short  60319                   # 0xeb9f
; CHECK-NEXT:        .byte   1
; CHECK-NEXT:        .byte   0
; CHECK-NEXT:        .long   24
; CHECK-NEXT:        .long   0
; CHECK-NEXT:        .long   52
; CHECK-NEXT:        .long   52
; CHECK-NEXT:        .long   23
; CHECK-NEXT:        .long   0                       # BTF_KIND_ARRAY(id = 1)
; CHECK-NEXT:        .long   50331648                # 0x3000000
; CHECK-NEXT:        .long   0
; CHECK-NEXT:        .long   3
; CHECK-NEXT:        .long   2
; CHECK-NEXT:        .long   0
; CHECK-NEXT:        .long   1                       # BTF_KIND_INT(id = 2)
; CHECK-NEXT:        .long   16777216                # 0x1000000
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   32                      # 0x20
; CHECK-NEXT:        .long   21                      # BTF_KIND_STRUCT(id = 3)
; CHECK-NEXT:        .long   67108864                # 0x4000000
; CHECK-NEXT:        .long   0
; CHECK-NEXT:        .byte   0                       # string offset=0
; CHECK-NEXT:        .ascii  "__ARRAY_SIZE_TYPE__"   # string offset=1
; CHECK-NEXT:        .byte   0
; CHECK-NEXT:        .byte   116                     # string offset=21
; CHECK-NEXT:        .byte   0
; CHECK-NEXT:        .section        .BTF.ext,"",@progbits
; CHECK-NEXT:        .short  60319                   # 0xeb9f
; CHECK-NEXT:        .byte   1
; CHECK-NEXT:        .byte   0
; CHECK-NEXT:        .long   24
; CHECK-NEXT:        .long   0
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   8                       # FuncInfo
; CHECK-NEXT:        .long   16                      # LineInfo

!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.0 (trunk 345296) (llvm/trunk 345297)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None)
!3 = !DIFile(filename: "t.c", directory: "/home/yhs/tmp")
!4 = !{}
!5 = !{!0}
!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, elements: !8)
!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 1, elements: !4)
!8 = !{!9}
!9 = !DISubrange(count: 10)
!10 = !{i32 2, !"Dwarf Version", i32 4}
!11 = !{i32 2, !"Debug Info Version", i32 3}
!12 = !{i32 1, !"wchar_size", i32 4}
!13 = !{!"clang version 8.0.0 (trunk 345296) (llvm/trunk 345297)"}