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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; typedef struct t1 { int f1; } __t1;6; extern __t1 global;7; int test() { return global.f1; }8; Compilation flag:9; clang -target bpf -O2 -g -S -emit-llvm test.c10 11%struct.t1 = type { i32 }12 13@global = external dso_local local_unnamed_addr global %struct.t1, align 4, !dbg !014 15; Function Attrs: norecurse nounwind readonly16define dso_local i32 @test() local_unnamed_addr !dbg !15 {17entry:18 %0 = load i32, ptr @global, align 4, !dbg !18, !tbaa !1919 ret i32 %0, !dbg !2420}21 22; CHECK: .section .BTF,"",@progbits23; CHECK-NEXT: .short 60319 # 0xeb9f24; CHECK-NEXT: .byte 125; CHECK-NEXT: .byte 026; CHECK-NEXT: .long 2427; CHECK-NEXT: .long 028; CHECK-NEXT: .long 9229; CHECK-NEXT: .long 9230; CHECK-NEXT: .long 7331; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)32; CHECK-NEXT: .long 218103808 # 0xd00000033; CHECK-NEXT: .long 234; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2)35; CHECK-NEXT: .long 16777216 # 0x100000036; CHECK-NEXT: .long 437; CHECK-NEXT: .long 16777248 # 0x100002038; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3)39; CHECK-NEXT: .long 201326593 # 0xc00000140; CHECK-NEXT: .long 141; CHECK-NEXT: .long 55 # BTF_KIND_TYPEDEF(id = 4)42; CHECK-NEXT: .long 134217728 # 0x800000043; CHECK-NEXT: .long 544; CHECK-NEXT: .long 60 # BTF_KIND_STRUCT(id = 5)45; CHECK-NEXT: .long 67108865 # 0x400000146; CHECK-NEXT: .long 447; CHECK-NEXT: .long 6348; CHECK-NEXT: .long 249; CHECK-NEXT: .long 0 # 0x050; CHECK-NEXT: .long 66 # BTF_KIND_VAR(id = 6)51; CHECK-NEXT: .long 234881024 # 0xe00000052; CHECK-NEXT: .long 453; CHECK-NEXT: .long 254; CHECK-NEXT: .byte 0 # string offset=055; CHECK-NEXT: .ascii "int" # string offset=156; CHECK-NEXT: .byte 057; CHECK-NEXT: .ascii "test" # string offset=558; CHECK-NEXT: .byte 059; CHECK-NEXT: .ascii ".text" # string offset=1060; CHECK-NEXT: .byte 061; CHECK-NEXT: .ascii "/tmp/home/yhs/work/tests/extern/test.c" # string offset=1662; CHECK-NEXT: .byte 063; CHECK-NEXT: .ascii "__t1" # string offset=5564; CHECK-NEXT: .byte 065; CHECK-NEXT: .ascii "t1" # string offset=6066; CHECK-NEXT: .byte 067; CHECK-NEXT: .ascii "f1" # string offset=6368; CHECK-NEXT: .byte 069; CHECK-NEXT: .ascii "global" # string offset=6670; CHECK-NEXT: .byte 071 72!llvm.dbg.cu = !{!2}73!llvm.module.flags = !{!11, !12, !13}74!llvm.ident = !{!14}75 76!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())77!1 = distinct !DIGlobalVariable(name: "global", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: false)78!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 2798d63180f4cc873bdaf689705fd4f9521ae89f)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None)79!3 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/extern")80!4 = !{}81!5 = !{!0}82!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "__t1", file: !3, line: 1, baseType: !7)83!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t1", file: !3, line: 1, size: 32, elements: !8)84!8 = !{!9}85!9 = !DIDerivedType(tag: DW_TAG_member, name: "f1", scope: !7, file: !3, line: 1, baseType: !10, size: 32)86!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)87!11 = !{i32 2, !"Dwarf Version", i32 4}88!12 = !{i32 2, !"Debug Info Version", i32 3}89!13 = !{i32 1, !"wchar_size", i32 4}90!14 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 2798d63180f4cc873bdaf689705fd4f9521ae89f)"}91!15 = distinct !DISubprogram(name: "test", scope: !3, file: !3, line: 4, type: !16, scopeLine: 4, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4)92!16 = !DISubroutineType(types: !17)93!17 = !{!10}94!18 = !DILocation(line: 4, column: 28, scope: !15)95!19 = !{!20, !21, i64 0}96!20 = !{!"t1", !21, i64 0}97!21 = !{!"int", !22, i64 0}98!22 = !{!"omnipotent char", !23, i64 0}99!23 = !{!"Simple C/C++ TBAA"}100!24 = !DILocation(line: 4, column: 14, scope: !15)101