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83 lines
4.0 KiB
83 lines
4.0 KiB
; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
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; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
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; Source code:
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; void f(void) { }
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; Compilation flag:
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; clang -target bpf -O2 -g -gdwarf-5 -gembed-source -S -emit-llvm t.c
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;
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; This test embeds the source code in the IR, so the line info should have
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; correct reference to the lines in the string table.
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; Function Attrs: norecurse nounwind readnone
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define dso_local void @f() local_unnamed_addr #0 !dbg !7 {
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entry:
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ret void, !dbg !10
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}
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; CHECK: .section .BTF,"",@progbits
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; CHECK-NEXT: .short 60319 # 0xeb9f
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; CHECK-NEXT: .byte 1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long 35
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; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)
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; CHECK-NEXT: .long 218103808 # 0xd000000
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 1 # BTF_KIND_FUNC(id = 2)
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; CHECK-NEXT: .long 201326593 # 0xc000001
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .byte 0 # string offset=0
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; CHECK-NEXT: .byte 102 # string offset=1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii ".text" # string offset=3
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "/tmp/t.c" # string offset=9
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "void f(void) { }" # string offset=18
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .section .BTF.ext,"",@progbits
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; CHECK-NEXT: .short 60319 # 0xeb9f
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; CHECK-NEXT: .byte 1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .long 32
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 20
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; CHECK-NEXT: .long 20
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; CHECK-NEXT: .long 28
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; CHECK-NEXT: .long 48
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 8 # FuncInfo
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; CHECK-NEXT: .long 3 # FuncInfo section string offset=3
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long .Lfunc_begin0
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long 16 # LineInfo
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; CHECK-NEXT: .long 3 # LineInfo section string offset=3
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long .Ltmp{{[0-9]+}}
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; CHECK-NEXT: .long 9
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; CHECK-NEXT: .long 18
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; CHECK-NEXT: .long 1040 # Line 1 Col 16
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attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "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" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!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)
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!1 = !DIFile(filename: "t.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "978599fafe3a080b456e3d95a3710359", source: "void f(void) { }\0A")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 5}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 8.0.0 (trunk 344789) (llvm/trunk 344782)"}
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!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)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null}
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!10 = !DILocation(line: 1, column: 16, scope: !7)
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