; 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:
;   struct s1 {
;     struct { int A1; } a1;
;     struct { long B1; } *b1;
;   };
;   int f1(struct s1 *s1) { return 0; }
; Compilation flag:
;   clang -target bpf -O2 -g -S -emit-llvm t.c

%struct.s1 = type { %struct.anon, %struct.anon.0* }
%struct.anon = type { i32 }
%struct.anon.0 = type { i64 }

; Function Attrs: norecurse nounwind readnone
define dso_local i32 @f1(%struct.s1* nocapture readnone %s1) local_unnamed_addr #0 !dbg !7 {
entry:
  call void @llvm.dbg.value(metadata %struct.s1* %s1, metadata !25, metadata !DIExpression()), !dbg !26
  ret i32 0, !dbg !27
}

; CHECK:             .long   0                       # BTF_KIND_PTR(id = 1)
; CHECK-NEXT:        .long   33554432                # 0x2000000
; CHECK-NEXT:        .long   2
; CHECK-NEXT:        .long   1                       # BTF_KIND_STRUCT(id = 2)
; CHECK-NEXT:        .long   67108866                # 0x4000002
; CHECK-NEXT:        .long   16
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   3
; CHECK-NEXT:        .long   0                       # 0x0
; CHECK-NEXT:        .long   7
; CHECK-NEXT:        .long   5
; CHECK-NEXT:        .long   64                      # 0x40
; CHECK-NEXT:        .long   0                       # BTF_KIND_STRUCT(id = 3)
; CHECK-NEXT:        .long   67108865                # 0x4000001
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   10
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   0                       # 0x0
; CHECK-NEXT:        .long   13                      # BTF_KIND_INT(id = 4)
; CHECK-NEXT:        .long   16777216                # 0x1000000
; CHECK-NEXT:        .long   4
; CHECK-NEXT:        .long   16777248                # 0x1000020
; CHECK-NEXT:        .long   0                       # BTF_KIND_PTR(id = 5)
; CHECK-NEXT:        .long   33554432                # 0x2000000
; CHECK-NEXT:        .long   6
; CHECK-NEXT:        .long   0                       # BTF_KIND_STRUCT(id = 6)
; CHECK-NEXT:        .long   67108865                # 0x4000001
; CHECK-NEXT:        .long   8
; CHECK-NEXT:        .long   17
; CHECK-NEXT:        .long   7
; CHECK-NEXT:        .long   0                       # 0x0
; CHECK-NEXT:        .long   20                      # BTF_KIND_INT(id = 7)
; CHECK-NEXT:        .long   16777216                # 0x1000000
; CHECK-NEXT:        .long   8
; CHECK-NEXT:        .long   16777280                # 0x1000040

; CHECK:             .ascii  "s1"                    # string offset=1
; CHECK:             .ascii  "a1"                    # string offset=4
; CHECK:             .ascii  "b1"                    # string offset=7
; CHECK:             .ascii  "A1"                    # string offset=10
; CHECK:             .ascii  "int"                   # string offset=13
; CHECK:             .ascii  "B1"                    # string offset=17
; CHECK:             .ascii  "long int"              # string offset=20


; Function Attrs: nounwind readnone speculatable willreturn
declare void @llvm.dbg.value(metadata, metadata, metadata) #1

attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone speculatable willreturn }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git ef36f5143d83897cc6f59ff918769d29ad5a0612)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/btf/tmp")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git ef36f5143d83897cc6f59ff918769d29ad5a0612)"}
!7 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 5, type: !8, scopeLine: 5, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !24)
!8 = !DISubroutineType(types: !9)
!9 = !{!10, !11}
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s1", file: !1, line: 1, size: 128, elements: !13)
!13 = !{!14, !18}
!14 = !DIDerivedType(tag: DW_TAG_member, name: "a1", scope: !12, file: !1, line: 2, baseType: !15, size: 32)
!15 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !12, file: !1, line: 2, size: 32, elements: !16)
!16 = !{!17}
!17 = !DIDerivedType(tag: DW_TAG_member, name: "A1", scope: !15, file: !1, line: 2, baseType: !10, size: 32)
!18 = !DIDerivedType(tag: DW_TAG_member, name: "b1", scope: !12, file: !1, line: 3, baseType: !19, size: 64, offset: 64)
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
!20 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !12, file: !1, line: 3, size: 64, elements: !21)
!21 = !{!22}
!22 = !DIDerivedType(tag: DW_TAG_member, name: "B1", scope: !20, file: !1, line: 3, baseType: !23, size: 64)
!23 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
!24 = !{!25}
!25 = !DILocalVariable(name: "s1", arg: 1, scope: !7, file: !1, line: 5, type: !11)
!26 = !DILocation(line: 0, scope: !7)
!27 = !DILocation(line: 5, column: 25, scope: !7)