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
7 ; clang -target bpf -O2 -g -gdwarf-5 -gembed-source -S -emit-llvm t.c
9 ; This test embeds the source code in the IR, so the line info should have
10 ; correct reference to the lines in the string table.
12 ; Function Attrs: norecurse nounwind readnone
13 define dso_local void @f() local_unnamed_addr #0 !dbg !7 {
18 ; CHECK: .section .BTF,"",@progbits
19 ; CHECK-NEXT: .short 60319 # 0xeb9f
22 ; CHECK-NEXT: .long 24
24 ; CHECK-NEXT: .long 24
25 ; CHECK-NEXT: .long 24
26 ; CHECK-NEXT: .long 35
27 ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)
28 ; CHECK-NEXT: .long 218103808 # 0xd000000
30 ; CHECK-NEXT: .long 1 # BTF_KIND_FUNC(id = 2)
31 ; CHECK-NEXT: .long 201326592 # 0xc000000
33 ; CHECK-NEXT: .byte 0 # string offset=0
34 ; CHECK-NEXT: .byte 102 # string offset=1
36 ; CHECK-NEXT: .ascii ".text" # string offset=3
38 ; CHECK-NEXT: .ascii "/tmp/t.c" # string offset=9
40 ; CHECK-NEXT: .ascii "void f(void) { }" # string offset=18
42 ; CHECK-NEXT: .section .BTF.ext,"",@progbits
43 ; CHECK-NEXT: .short 60319 # 0xeb9f
46 ; CHECK-NEXT: .long 32
48 ; CHECK-NEXT: .long 20
49 ; CHECK-NEXT: .long 20
50 ; CHECK-NEXT: .long 28
51 ; CHECK-NEXT: .long 48
53 ; CHECK-NEXT: .long 8 # FuncInfo
54 ; CHECK-NEXT: .long 3 # FuncInfo section string offset=3
56 ; CHECK-NEXT: .long .Lfunc_begin0
58 ; CHECK-NEXT: .long 16 # LineInfo
59 ; CHECK-NEXT: .long 3 # LineInfo section string offset=3
61 ; CHECK-NEXT: .long .Ltmp{{[0-9]+}}
63 ; CHECK-NEXT: .long 18
64 ; CHECK-NEXT: .long 1040 # Line 1 Col 16
66 attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "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" }
69 !llvm.module.flags = !{!3, !4, !5}
72 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.0 (trunk 344789) (llvm/trunk 344782)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
73 !1 = !DIFile(filename: "t.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "978599fafe3a080b456e3d95a3710359", source: "void f(void) { }\0A")
75 !3 = !{i32 2, !"Dwarf Version", i32 5}
76 !4 = !{i32 2, !"Debug Info Version", i32 3}
77 !5 = !{i32 1, !"wchar_size", i32 4}
78 !6 = !{!"clang version 8.0.0 (trunk 344789) (llvm/trunk 344782)"}
79 !7 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, isOptimized: true, unit: !0, retainedNodes: !2)
80 !8 = !DISubroutineType(types: !9)
82 !10 = !DILocation(line: 1, column: 16, scope: !7)