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1; RUN: llc -mtriple=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s2; RUN: llc -mtriple=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s3 4; Source code:5; struct t {6; int a;7; int b;8; char c[];9; };10; static volatile struct t sv = {3, 4, "abcdefghi"};11; int test() { return sv.a; }12; Compilation flag:13; clang -target bpf -O2 -g -S -emit-llvm test.c14 15@sv = internal global { i32, i32, [10 x i8] } { i32 3, i32 4, [10 x i8] c"abcdefghi\00" }, align 4, !dbg !016 17; Function Attrs: norecurse nounwind18define dso_local i32 @test() local_unnamed_addr !dbg !21 {19 %1 = load volatile i32, ptr @sv, align 4, !dbg !24, !tbaa !2520 ret i32 %1, !dbg !2921}22 23; CHECK: .section .BTF,"",@progbits24; CHECK-NEXT: .short 60319 # 0xeb9f25; CHECK-NEXT: .byte 126; CHECK-NEXT: .byte 027; CHECK-NEXT: .long 2428; CHECK-NEXT: .long 029; CHECK-NEXT: .long 19630; CHECK-NEXT: .long 19631; CHECK-NEXT: .long 9532; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)33; CHECK-NEXT: .long 218103808 # 0xd00000034; CHECK-NEXT: .long 235; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2)36; CHECK-NEXT: .long 16777216 # 0x100000037; CHECK-NEXT: .long 438; CHECK-NEXT: .long 16777248 # 0x100002039; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3)40; CHECK-NEXT: .long 201326593 # 0xc00000141; CHECK-NEXT: .long 142; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 4)43; CHECK-NEXT: .long 150994944 # 0x900000044; CHECK-NEXT: .long 545; CHECK-NEXT: .long 53 # BTF_KIND_STRUCT(id = 5)46; CHECK-NEXT: .long 67108867 # 0x400000347; CHECK-NEXT: .long 848; CHECK-NEXT: .long 5549; CHECK-NEXT: .long 250; CHECK-NEXT: .long 0 # 0x051; CHECK-NEXT: .long 5752; CHECK-NEXT: .long 253; CHECK-NEXT: .long 32 # 0x2054; CHECK-NEXT: .long 5955; CHECK-NEXT: .long 756; CHECK-NEXT: .long 64 # 0x4057; CHECK-NEXT: .long 61 # BTF_KIND_INT(id = 6)58; CHECK-NEXT: .long 16777216 # 0x100000059; CHECK-NEXT: .long 160; CHECK-NEXT: .long 16777224 # 0x100000861; CHECK-NEXT: .long 0 # BTF_KIND_ARRAY(id = 7)62; CHECK-NEXT: .long 50331648 # 0x300000063; CHECK-NEXT: .long 064; CHECK-NEXT: .long 665; CHECK-NEXT: .long 866; CHECK-NEXT: .long 067; CHECK-NEXT: .long 66 # BTF_KIND_INT(id = 8)68; CHECK-NEXT: .long 16777216 # 0x100000069; CHECK-NEXT: .long 470; CHECK-NEXT: .long 32 # 0x2071; CHECK-NEXT: .long 86 # BTF_KIND_VAR(id = 9)72; CHECK-NEXT: .long 234881024 # 0xe00000073; CHECK-NEXT: .long 474; CHECK-NEXT: .long 075; CHECK-NEXT: .long 89 # BTF_KIND_DATASEC(id = 10)76; CHECK-NEXT: .long 251658241 # 0xf00000177; CHECK-NEXT: .long 078; CHECK-NEXT: .long 979; CHECK-NEXT: .long sv80; CHECK-NEXT: .long 2081; CHECK-NEXT: .byte 0 # string offset=082; CHECK-NEXT: .ascii "int" # string offset=183; CHECK-NEXT: .byte 084; CHECK-NEXT: .ascii "test" # string offset=585; CHECK-NEXT: .byte 086; CHECK-NEXT: .ascii ".text" # string offset=1087; CHECK-NEXT: .byte 088; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=1689; CHECK-NEXT: .byte 090; CHECK-NEXT: .byte 116 # string offset=5391; CHECK-NEXT: .byte 092; CHECK-NEXT: .byte 97 # string offset=5593; CHECK-NEXT: .byte 094; CHECK-NEXT: .byte 98 # string offset=5795; CHECK-NEXT: .byte 096; CHECK-NEXT: .byte 99 # string offset=5997; CHECK-NEXT: .byte 098; CHECK-NEXT: .ascii "char" # string offset=6199; CHECK-NEXT: .byte 0100; CHECK-NEXT: .ascii "__ARRAY_SIZE_TYPE__" # string offset=66101; CHECK-NEXT: .byte 0102; CHECK-NEXT: .ascii "sv" # string offset=86103; CHECK-NEXT: .byte 0104; CHECK-NEXT: .ascii ".data" # string offset=89105; CHECK-NEXT: .byte 0106 107!llvm.dbg.cu = !{!2}108!llvm.module.flags = !{!17, !18, !19}109!llvm.ident = !{!20}110 111!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())112!1 = distinct !DIGlobalVariable(name: "sv", scope: !2, file: !3, line: 6, type: !6, isLocal: true, isDefinition: true)113!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)114!3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug")115!4 = !{}116!5 = !{!0}117!6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)118!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 1, size: 64, elements: !8)119!8 = !{!9, !11, !12}120!9 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !7, file: !3, line: 2, baseType: !10, size: 32)121!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)122!11 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !7, file: !3, line: 3, baseType: !10, size: 32, offset: 32)123!12 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !7, file: !3, line: 4, baseType: !13, offset: 64)124!13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, elements: !15)125!14 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)126!15 = !{!16}127!16 = !DISubrange(count: -1)128!17 = !{i32 2, !"Dwarf Version", i32 4}129!18 = !{i32 2, !"Debug Info Version", i32 3}130!19 = !{i32 1, !"wchar_size", i32 4}131!20 = !{!"clang version 8.0.20181009 "}132!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)133!22 = !DISubroutineType(types: !23)134!23 = !{!10}135!24 = !DILocation(line: 7, column: 24, scope: !21)136!25 = !{!26, !26, i64 0}137!26 = !{!"int", !27, i64 0}138!27 = !{!"omnipotent char", !28, i64 0}139!28 = !{!"Simple C/C++ TBAA"}140!29 = !DILocation(line: 7, column: 14, scope: !21)141