--- /dev/null
+; 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)