test/CodeGen/BPF/BTF/union-array-typedef.ll

   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)"}