test/CodeGen/BPF/BTF/func-void.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 ;   void f1(void) {}
   6 ; Compilation flag:
   7 ;   clang -target bpf -O2 -g -S -emit-llvm t.c
   8
   9 ; Function Attrs: norecurse nounwind readnone
  10 define dso_local void @f1() local_unnamed_addr #0 !dbg !7 {
  11   ret void, !dbg !10
  12 }
  13
  14 ; CHECK:             .section        .BTF,"",@progbits
  15 ; CHECK-NEXT:        .short  60319                   # 0xeb9f
  16 ; CHECK-NEXT:        .byte   1
  17 ; CHECK-NEXT:        .byte   0
  18 ; CHECK-NEXT:        .long   24
  19 ; CHECK-NEXT:        .long   0
  20 ; CHECK-NEXT:        .long   24
  21 ; CHECK-NEXT:        .long   24
  22 ; CHECK-NEXT:        .long   19
  23 ; CHECK-NEXT:        .long   0                       # BTF_KIND_FUNC_PROTO(id = 1)
  24 ; CHECK-NEXT:        .long   218103808               # 0xd000000
  25 ; CHECK-NEXT:        .long   0
  26 ; CHECK-NEXT:        .long   1                       # BTF_KIND_FUNC(id = 2)
  27 ; CHECK-NEXT:        .long   201326592               # 0xc000000
  28 ; CHECK-NEXT:        .long   1
  29 ; CHECK-NEXT:        .byte   0                       # string offset=0
  30 ; CHECK-NEXT:        .ascii  "f1"                    # string offset=1
  31 ; CHECK-NEXT:        .byte   0
  32 ; CHECK-NEXT:        .ascii  ".text"                 # string offset=4
  33 ; CHECK-NEXT:        .byte   0
  34 ; CHECK-NEXT:        .ascii  "/tmp/t.c"              # string offset=10
  35 ; CHECK-NEXT:        .byte   0
  36 ; CHECK-NEXT:        .section        .BTF.ext,"",@progbits
  37 ; CHECK-NEXT:        .short  60319                   # 0xeb9f
  38 ; CHECK-NEXT:        .byte   1
  39 ; CHECK-NEXT:        .byte   0
  40 ; CHECK-NEXT:        .long   32
  41 ; CHECK-NEXT:        .long   0
  42 ; CHECK-NEXT:        .long   20
  43 ; CHECK-NEXT:        .long   20
  44 ; CHECK-NEXT:        .long   28
  45 ; CHECK-NEXT:        .long   48
  46 ; CHECK-NEXT:        .long   0
  47 ; CHECK-NEXT:        .long   8                       # FuncInfo
  48 ; CHECK-NEXT:        .long   4                       # FuncInfo section string offset=4
  49 ; CHECK-NEXT:        .long   1
  50 ; CHECK-NEXT:        .long   .Lfunc_begin0
  51 ; CHECK-NEXT:        .long   2
  52 ; CHECK-NEXT:        .long   16                      # LineInfo
  53 ; CHECK-NEXT:        .long   4                       # LineInfo section string offset=4
  54 ; CHECK-NEXT:        .long   1
  55 ; CHECK-NEXT:        .long   .Ltmp{{[0-9]+}}
  56 ; CHECK-NEXT:        .long   10
  57 ; CHECK-NEXT:        .long   0
  58 ; CHECK-NEXT:        .long   1040                    # Line 1 Col 16
  59
  60 attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
  61
  62 !llvm.dbg.cu = !{!0}
  63 !llvm.module.flags = !{!3, !4, !5}
  64 !llvm.ident = !{!6}
  65
  66 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0 (trunk 345562) (llvm/trunk 345560)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
  67 !1 = !DIFile(filename: "t.c", directory: "/tmp")
  68 !2 = !{}
  69 !3 = !{i32 2, !"Dwarf Version", i32 4}
  70 !4 = !{i32 2, !"Debug Info Version", i32 3}
  71 !5 = !{i32 1, !"wchar_size", i32 4}
  72 !6 = !{!"clang version 8.0.0 (trunk 345562) (llvm/trunk 345560)"}
  73 !7 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
  74 !8 = !DISubroutineType(types: !9)
  75 !9 = !{null}
  76 !10 = !DILocation(line: 1, column: 16, scope: !7)