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; int f1(int a1) { return a1; } 6; Compilation flag: 7; clang -target bpf -O2 -g -S -emit-llvm t.c 8 9; Function Attrs: nounwind readnone 10define dso_local i32 @f1(i32 returned) local_unnamed_addr #0 !dbg !7 { 11 call void @llvm.dbg.value(metadata i32 %0, metadata !12, metadata !DIExpression()), !dbg !13 12 ret i32 %0, !dbg !14 13} 14 15; CHECK: .section .BTF,"",@progbits 16; CHECK-NEXT: .short 60319 # 0xeb9f 17; CHECK-NEXT: .byte 1 18; CHECK-NEXT: .byte 0 19; CHECK-NEXT: .long 24 20; CHECK-NEXT: .long 0 21; CHECK-NEXT: .long 48 22; CHECK-NEXT: .long 48 23; CHECK-NEXT: .long 26 24; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 1) 25; CHECK-NEXT: .long 16777216 # 0x1000000 26; CHECK-NEXT: .long 4 27; CHECK-NEXT: .long 16777248 # 0x1000020 28; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 2) 29; CHECK-NEXT: .long 218103809 # 0xd000001 30; CHECK-NEXT: .long 1 31; CHECK-NEXT: .long 5 32; CHECK-NEXT: .long 1 33; CHECK-NEXT: .long 8 # BTF_KIND_FUNC(id = 3) 34; CHECK-NEXT: .long 201326593 # 0xc000001 35; CHECK-NEXT: .long 2 36; CHECK-NEXT: .byte 0 # string offset=0 37; CHECK-NEXT: .ascii "int" # string offset=1 38; CHECK-NEXT: .byte 0 39; CHECK-NEXT: .ascii "a1" # string offset=5 40; CHECK-NEXT: .byte 0 41; CHECK-NEXT: .ascii "f1" # string offset=8 42; CHECK-NEXT: .byte 0 43; CHECK-NEXT: .ascii ".text" # string offset=11 44; CHECK-NEXT: .byte 0 45; CHECK-NEXT: .ascii "/tmp/t.c" # string offset=17 46; CHECK-NEXT: .byte 0 47; CHECK-NEXT: .section .BTF.ext,"",@progbits 48; CHECK-NEXT: .short 60319 # 0xeb9f 49; CHECK-NEXT: .byte 1 50; CHECK-NEXT: .byte 0 51; CHECK-NEXT: .long 32 52; CHECK-NEXT: .long 0 53; CHECK-NEXT: .long 20 54; CHECK-NEXT: .long 20 55; CHECK-NEXT: .long 44 56; CHECK-NEXT: .long 64 57; CHECK-NEXT: .long 0 58; CHECK-NEXT: .long 8 # FuncInfo 59; CHECK-NEXT: .long 11 # FuncInfo section string offset=11 60; CHECK-NEXT: .long 1 61; CHECK-NEXT: .long .Lfunc_begin0 62; CHECK-NEXT: .long 3 63; CHECK-NEXT: .long 16 # LineInfo 64; CHECK-NEXT: .long 11 # LineInfo section string offset=11 65; CHECK-NEXT: .long 2 66; CHECK-NEXT: .long .Lfunc_begin0 67; CHECK-NEXT: .long 17 68; CHECK-NEXT: .long 0 69; CHECK-NEXT: .long 1024 # Line 1 Col 0 70; CHECK-NEXT: .long .Ltmp{{[0-9]+}} 71; CHECK-NEXT: .long 17 72; CHECK-NEXT: .long 0 73; CHECK-NEXT: .long 1042 # Line 1 Col 18 74 75; Function Attrs: nounwind readnone speculatable 76declare void @llvm.dbg.value(metadata, metadata, metadata) #1 77 78attributes #0 = { nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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" } 79attributes #1 = { nounwind readnone speculatable } 80 81!llvm.dbg.cu = !{!0} 82!llvm.module.flags = !{!3, !4, !5} 83!llvm.ident = !{!6} 84 85!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) 86!1 = !DIFile(filename: "t.c", directory: "/tmp") 87!2 = !{} 88!3 = !{i32 2, !"Dwarf Version", i32 4} 89!4 = !{i32 2, !"Debug Info Version", i32 3} 90!5 = !{i32 1, !"wchar_size", i32 4} 91!6 = !{!"clang version 8.0.0 (trunk 345562) (llvm/trunk 345560)"} 92!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: !11) 93!8 = !DISubroutineType(types: !9) 94!9 = !{!10, !10} 95!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 96!11 = !{!12} 97!12 = !DILocalVariable(name: "a1", arg: 1, scope: !7, file: !1, line: 1, type: !10) 98!13 = !DILocation(line: 1, column: 12, scope: !7) 99!14 = !DILocation(line: 1, column: 18, scope: !7) 100