| ; 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: |
| ; void f(void) { } |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -gdwarf-5 -gembed-source -S -emit-llvm t.c |
| ; |
| ; This test embeds the source code in the IR, so the line info should have |
| ; correct reference to the lines in the string table. |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define dso_local void @f() local_unnamed_addr #0 !dbg !7 { |
| entry: |
| ret void, !dbg !10 |
| } |
| |
| ; 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 24 |
| ; CHECK-NEXT: .long 24 |
| ; CHECK-NEXT: .long 35 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) |
| ; CHECK-NEXT: .long 218103808 # 0xd000000 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 1 # BTF_KIND_FUNC(id = 2) |
| ; CHECK-NEXT: .long 201326592 # 0xc000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .byte 0 # string offset=0 |
| ; CHECK-NEXT: .byte 102 # string offset=1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii ".text" # string offset=3 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "/tmp/t.c" # string offset=9 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "void f(void) { }" # string offset=18 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .section .BTF.ext,"",@progbits |
| ; CHECK-NEXT: .short 60319 # 0xeb9f |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .long 32 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 20 |
| ; CHECK-NEXT: .long 20 |
| ; CHECK-NEXT: .long 28 |
| ; CHECK-NEXT: .long 48 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 8 # FuncInfo |
| ; CHECK-NEXT: .long 3 # FuncInfo section string offset=3 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long .Lfunc_begin0 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 16 # LineInfo |
| ; CHECK-NEXT: .long 3 # LineInfo section string offset=3 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long .Ltmp{{[0-9]+}} |
| ; CHECK-NEXT: .long 9 |
| ; CHECK-NEXT: .long 18 |
| ; CHECK-NEXT: .long 1040 # Line 1 Col 16 |
| |
| 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" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !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) |
| !1 = !DIFile(filename: "t.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "978599fafe3a080b456e3d95a3710359", source: "void f(void) { }\0A") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 5} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 8.0.0 (trunk 344789) (llvm/trunk 344782)"} |
| !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) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{null} |
| !10 = !DILocation(line: 1, column: 16, scope: !7) |