; 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 { ; int a; ; int b; ; char c[]; ; }; ; static volatile struct t sv = {3, 4, "abcdefghi"}; ; int test() { return sv.a; } ; Compilation flag: ; clang -target bpf -O2 -g -S -emit-llvm test.c @sv = internal global { i32, i32, [10 x i8] } { i32 3, i32 4, [10 x i8] c"abcdefghi\00" }, align 4, !dbg !0 ; Function Attrs: norecurse nounwind define dso_local i32 @test() local_unnamed_addr #0 !dbg !21 { %1 = load volatile i32, i32* getelementptr inbounds ({ i32, i32, [10 x i8] }, { i32, i32, [10 x i8] }* @sv, i64 0, i32 0), align 4, !dbg !24, !tbaa !25 ret i32 %1, !dbg !29 } ; 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 196 ; CHECK-NEXT: .long 196 ; CHECK-NEXT: .long 95 ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) ; CHECK-NEXT: .long 218103808 # 0xd000000 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2) ; CHECK-NEXT: .long 16777216 # 0x1000000 ; CHECK-NEXT: .long 4 ; CHECK-NEXT: .long 16777248 # 0x1000020 ; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3) ; CHECK-NEXT: .long 201326593 # 0xc000001 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 4) ; CHECK-NEXT: .long 150994944 # 0x9000000 ; CHECK-NEXT: .long 5 ; CHECK-NEXT: .long 53 # BTF_KIND_STRUCT(id = 5) ; CHECK-NEXT: .long 67108867 # 0x4000003 ; CHECK-NEXT: .long 8 ; CHECK-NEXT: .long 55 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 0 # 0x0 ; CHECK-NEXT: .long 57 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 32 # 0x20 ; CHECK-NEXT: .long 59 ; CHECK-NEXT: .long 7 ; CHECK-NEXT: .long 64 # 0x40 ; CHECK-NEXT: .long 61 # BTF_KIND_INT(id = 6) ; CHECK-NEXT: .long 16777216 # 0x1000000 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long 16777224 # 0x1000008 ; CHECK-NEXT: .long 0 # BTF_KIND_ARRAY(id = 7) ; CHECK-NEXT: .long 50331648 # 0x3000000 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 6 ; CHECK-NEXT: .long 8 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 66 # BTF_KIND_INT(id = 8) ; CHECK-NEXT: .long 16777216 # 0x1000000 ; CHECK-NEXT: .long 4 ; CHECK-NEXT: .long 32 # 0x20 ; CHECK-NEXT: .long 86 # BTF_KIND_VAR(id = 9) ; CHECK-NEXT: .long 234881024 # 0xe000000 ; CHECK-NEXT: .long 4 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 89 # BTF_KIND_DATASEC(id = 10) ; CHECK-NEXT: .long 251658241 # 0xf000001 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 9 ; CHECK-NEXT: .long sv ; CHECK-NEXT: .long 20 ; CHECK-NEXT: .byte 0 # string offset=0 ; CHECK-NEXT: .ascii "int" # string offset=1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "test" # string offset=5 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii ".text" # string offset=10 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=16 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .byte 116 # string offset=53 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .byte 97 # string offset=55 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .byte 98 # string offset=57 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .byte 99 # string offset=59 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "char" # string offset=61 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "__ARRAY_SIZE_TYPE__" # string offset=66 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "sv" # string offset=86 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii ".data" # string offset=89 ; CHECK-NEXT: .byte 0 attributes #0 = { norecurse nounwind "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" } !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!17, !18, !19} !llvm.ident = !{!20} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "sv", scope: !2, file: !3, line: 6, type: !6, isLocal: true, isDefinition: true) !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.20181009 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) !3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug") !4 = !{} !5 = !{!0} !6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7) !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 1, size: 64, elements: !8) !8 = !{!9, !11, !12} !9 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !7, file: !3, line: 2, baseType: !10, size: 32) !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !11 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !7, file: !3, line: 3, baseType: !10, size: 32, offset: 32) !12 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !7, file: !3, line: 4, baseType: !13, offset: 64) !13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, elements: !15) !14 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !15 = !{!16} !16 = !DISubrange(count: -1) !17 = !{i32 2, !"Dwarf Version", i32 4} !18 = !{i32 2, !"Debug Info Version", i32 3} !19 = !{i32 1, !"wchar_size", i32 4} !20 = !{!"clang version 8.0.20181009 "} !21 = distinct !DISubprogram(name: "test", scope: !3, file: !3, line: 7, type: !22, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: true, unit: !2, retainedNodes: !4) !22 = !DISubroutineType(types: !23) !23 = !{!10} !24 = !DILocation(line: 7, column: 24, scope: !21) !25 = !{!26, !26, i64 0} !26 = !{!"int", !27, i64 0} !27 = !{!"omnipotent char", !28, i64 0} !28 = !{!"Simple C/C++ TBAA"} !29 = !DILocation(line: 7, column: 14, scope: !21)