llvm/test/CodeGen/BPF/BTF/map-def-2.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 ;   struct key_type {
   6 ;     int a1;
   7 ;   };
   8 ;   typedef struct map_type {
   9 ;     struct key_ptr key;
  10 ;   } _map_type;
  11 ;   typedef _map_type __map_type;
  12 ;   __map_type __attribute__((section(".maps"))) hash_map;
  13 ; Compilation flag:
  14 ;   clang -target bpf -O2 -g -S -emit-llvm t2.c
  15
  16 %struct.map_type = type { ptr }
  17 %struct.key_type = type { i32 }
  18
  19 @hash_map = dso_local local_unnamed_addr global %struct.map_type zeroinitializer, section ".maps", align 8, !dbg !0
  20
  21 ; CHECK:             .long   0                               # BTF_KIND_PTR(id = 1)
  22 ; CHECK-NEXT:        .long   33554432                        # 0x2000000
  23 ; CHECK-NEXT:        .long   2
  24 ; CHECK-NEXT:        .long   1                               # BTF_KIND_STRUCT(id = 2)
  25 ; CHECK-NEXT:        .long   67108865                        # 0x4000001
  26 ; CHECK-NEXT:        .long   4
  27 ; CHECK-NEXT:        .long   10
  28 ; CHECK-NEXT:        .long   3
  29 ; CHECK-NEXT:        .long   0                               # 0x0
  30 ; CHECK-NEXT:        .long   13                              # BTF_KIND_INT(id = 3)
  31 ; CHECK-NEXT:        .long   16777216                        # 0x1000000
  32 ; CHECK-NEXT:        .long   4
  33 ; CHECK-NEXT:        .long   16777248                        # 0x1000020
  34 ; CHECK-NEXT:        .long   17                              # BTF_KIND_TYPEDEF(id = 4)
  35 ; CHECK-NEXT:        .long   134217728                       # 0x8000000
  36 ; CHECK-NEXT:        .long   5
  37 ; CHECK-NEXT:        .long   28                              # BTF_KIND_TYPEDEF(id = 5)
  38 ; CHECK-NEXT:        .long   134217728                       # 0x8000000
  39 ; CHECK-NEXT:        .long   6
  40 ; CHECK-NEXT:        .long   38                              # BTF_KIND_STRUCT(id = 6)
  41 ; CHECK-NEXT:        .long   67108865                        # 0x4000001
  42 ; CHECK-NEXT:        .long   8
  43 ; CHECK-NEXT:        .long   47
  44 ; CHECK-NEXT:        .long   1
  45 ; CHECK-NEXT:        .long   0                               # 0x0
  46 ; CHECK-NEXT:        .long   51                              # BTF_KIND_VAR(id = 7)
  47 ; CHECK-NEXT:        .long   234881024                       # 0xe000000
  48 ; CHECK-NEXT:        .long   4
  49 ; CHECK-NEXT:        .long   1
  50 ; CHECK-NEXT:        .long   60                              # BTF_KIND_DATASEC(id = 8)
  51 ; CHECK-NEXT:        .long   251658241                       # 0xf000001
  52 ; CHECK-NEXT:        .long   0
  53 ; CHECK-NEXT:        .long   7
  54 ; CHECK-NEXT:        .long   hash_map
  55 ; CHECK-NEXT:        .long   8
  56
  57 ; CHECK:             .ascii  "key_type"                      # string offset=1
  58 ; CHECK:             .ascii  "a1"                            # string offset=10
  59 ; CHECK:             .ascii  "int"                           # string offset=13
  60 ; CHECK:             .ascii  "__map_type"                    # string offset=17
  61 ; CHECK:             .ascii  "_map_type"                     # string offset=28
  62 ; CHECK:             .ascii  "map_type"                      # string offset=38
  63 ; CHECK:             .ascii  "key"                           # string offset=47
  64 ; CHECK:             .ascii  "hash_map"                      # string offset=51
  65 ; CHECK:             .ascii  ".maps"                         # string offset=60
  66
  67 !llvm.dbg.cu = !{!2}
  68 !llvm.module.flags = !{!16, !17, !18}
  69 !llvm.ident = !{!19}
  70
  71 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
  72 !1 = distinct !DIGlobalVariable(name: "hash_map", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)
  73 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git b8409c03ed90807f3d49c7d98dceea98cf461f7a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
  74 !3 = !DIFile(filename: "t2.c", directory: "/tmp/home/yhs/tmp1")
  75 !4 = !{}
  76 !5 = !{!0}
  77 !6 = !DIDerivedType(tag: DW_TAG_typedef, name: "__map_type", file: !3, line: 7, baseType: !7)
  78 !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "_map_type", file: !3, line: 6, baseType: !8)
  79 !8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "map_type", file: !3, line: 4, size: 64, elements: !9)
  80 !9 = !{!10}
  81 !10 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !8, file: !3, line: 5, baseType: !11, size: 64)
  82 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
  83 !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "key_type", file: !3, line: 1, size: 32, elements: !13)
  84 !13 = !{!14}
  85 !14 = !DIDerivedType(tag: DW_TAG_member, name: "a1", scope: !12, file: !3, line: 2, baseType: !15, size: 32)
  86 !15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
  87 !16 = !{i32 7, !"Dwarf Version", i32 4}
  88 !17 = !{i32 2, !"Debug Info Version", i32 3}
  89 !18 = !{i32 1, !"wchar_size", i32 4}
  90 !19 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git b8409c03ed90807f3d49c7d98dceea98cf461f7a)"}