1; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s 2; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s 3 4; Source code: 5; typedef int _int; 6; union t {char m[4]; _int n;} a; 7; Compilation flag: 8; clang -target bpf -O2 -g -S -emit-llvm t.c 9 10%union.t = type { i32 } 11 12@a = common dso_local local_unnamed_addr global %union.t zeroinitializer, align 4, !dbg !0 13 14!llvm.dbg.cu = !{!2} 15!llvm.module.flags = !{!16, !17, !18} 16!llvm.ident = !{!19} 17 18; CHECK: .section .BTF,"",@progbits 19; CHECK-NEXT: .short 60319 # 0xeb9f 20; CHECK-NEXT: .byte 1 21; CHECK-NEXT: .byte 0 22; CHECK-NEXT: .long 24 23; CHECK-NEXT: .long 0 24; CHECK-NEXT: .long 120 25; CHECK-NEXT: .long 120 26; CHECK-NEXT: .long 41 27; CHECK-NEXT: .long 1 # BTF_KIND_UNION(id = 1) 28; CHECK-NEXT: .long 83886082 # 0x5000002 29; CHECK-NEXT: .long 4 30; CHECK-NEXT: .long 3 31; CHECK-NEXT: .long 3 32; CHECK-NEXT: .long 0 # 0x0 33; CHECK-NEXT: .long 5 34; CHECK-NEXT: .long 5 35; CHECK-NEXT: .long 0 # 0x0 36; CHECK-NEXT: .long 7 # BTF_KIND_INT(id = 2) 37; CHECK-NEXT: .long 16777216 # 0x1000000 38; CHECK-NEXT: .long 1 39; CHECK-NEXT: .long 16777224 # 0x1000008 40; CHECK-NEXT: .long 0 # BTF_KIND_ARRAY(id = 3) 41; CHECK-NEXT: .long 50331648 # 0x3000000 42; CHECK-NEXT: .long 0 43; CHECK-NEXT: .long 2 44; CHECK-NEXT: .long 4 45; CHECK-NEXT: .long 4 46; CHECK-NEXT: .long 12 # BTF_KIND_INT(id = 4) 47; CHECK-NEXT: .long 16777216 # 0x1000000 48; CHECK-NEXT: .long 4 49; CHECK-NEXT: .long 32 # 0x20 50; CHECK-NEXT: .long 32 # BTF_KIND_TYPEDEF(id = 5) 51; CHECK-NEXT: .long 134217728 # 0x8000000 52; CHECK-NEXT: .long 6 53; CHECK-NEXT: .long 37 # BTF_KIND_INT(id = 6) 54; CHECK-NEXT: .long 16777216 # 0x1000000 55; CHECK-NEXT: .long 4 56; CHECK-NEXT: .long 16777248 # 0x1000020 57; CHECK-NEXT: .byte 0 # string offset=0 58; CHECK-NEXT: .byte 116 # string offset=1 59; CHECK-NEXT: .byte 0 60; CHECK-NEXT: .byte 109 # string offset=3 61; CHECK-NEXT: .byte 0 62; CHECK-NEXT: .byte 110 # string offset=5 63; CHECK-NEXT: .byte 0 64; CHECK-NEXT: .ascii "char" # string offset=7 65; CHECK-NEXT: .byte 0 66; CHECK-NEXT: .ascii "__ARRAY_SIZE_TYPE__" # string offset=12 67; CHECK-NEXT: .byte 0 68; CHECK-NEXT: .ascii "_int" # string offset=32 69; CHECK-NEXT: .byte 0 70; CHECK-NEXT: .ascii "int" # string offset=37 71; CHECK-NEXT: .byte 0 72 73!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 74!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true) 75!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) 76!3 = !DIFile(filename: "t.c", directory: "/home/yhs/tmp") 77!4 = !{} 78!5 = !{!0} 79!6 = distinct !DICompositeType(tag: DW_TAG_union_type, name: "t", file: !3, line: 2, size: 32, elements: !7) 80!7 = !{!8, !13} 81!8 = !DIDerivedType(tag: DW_TAG_member, name: "m", scope: !6, file: !3, line: 2, baseType: !9, size: 32) 82!9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 32, elements: !11) 83!10 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 84!11 = !{!12} 85!12 = !DISubrange(count: 4) 86!13 = !DIDerivedType(tag: DW_TAG_member, name: "n", scope: !6, file: !3, line: 2, baseType: !14, size: 32) 87!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "_int", file: !3, line: 1, baseType: !15) 88!15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 89!16 = !{i32 2, !"Dwarf Version", i32 4} 90!17 = !{i32 2, !"Debug Info Version", i32 3} 91!18 = !{i32 1, !"wchar_size", i32 4} 92!19 = !{!"clang version 8.0.0 (trunk 345296) (llvm/trunk 345297)"} 93