1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
| ; 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 code:
; struct t {};
; struct t a[10];
; Compilation flag:
; clang -target bpf -O2 -g -S -emit-llvm t.c
%struct.t = type {}
@a = common dso_local local_unnamed_addr global [10 x %struct.t] zeroinitializer, align 1, !dbg !0
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!10, !11, !12}
!llvm.ident = !{!13}
; CHECK: .section .BTF,"",@progbits
; CHECK-NEXT: .short 60319 # 0xeb9f
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .long 24
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 52
; CHECK-NEXT: .long 52
; CHECK-NEXT: .long 23
; CHECK-NEXT: .long 1 # BTF_KIND_STRUCT(id = 1)
; CHECK-NEXT: .long 67108864 # 0x4000000
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 0 # BTF_KIND_ARRAY(id = 2)
; CHECK-NEXT: .long 50331648 # 0x3000000
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long 3
; CHECK-NEXT: .long 10
; CHECK-NEXT: .long 3 # BTF_KIND_INT(id = 3)
; CHECK-NEXT: .long 16777216 # 0x1000000
; CHECK-NEXT: .long 4
; CHECK-NEXT: .long 32 # 0x20
; CHECK-NEXT: .byte 0 # string offset=0
; CHECK-NEXT: .byte 116 # string offset=1
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .ascii "__ARRAY_SIZE_TYPE__" # string offset=3
; CHECK-NEXT: .byte 0
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true)
!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)
!3 = !DIFile(filename: "t.c", directory: "/home/yhs/tmp")
!4 = !{}
!5 = !{!0}
!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, elements: !8)
!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 1, elements: !4)
!8 = !{!9}
!9 = !DISubrange(count: 10)
!10 = !{i32 2, !"Dwarf Version", i32 4}
!11 = !{i32 2, !"Debug Info Version", i32 3}
!12 = !{i32 1, !"wchar_size", i32 4}
!13 = !{!"clang version 8.0.0 (trunk 345296) (llvm/trunk 345297)"}
|