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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; static volatile const char __attribute__((section("maps"))) a;6; int foo() {7; static volatile const short b __attribute__((section("maps"))) = 3;8; return a + b;9; }10; Compilation flag:11; clang -target bpf -O2 -g -S -emit-llvm test.c12 13@foo.b = internal constant i16 3, section "maps", align 2, !dbg !014@a = internal constant i8 0, section "maps", align 1, !dbg !1015 16; Function Attrs: norecurse nounwind17define dso_local i32 @foo() local_unnamed_addr !dbg !2 {18 %1 = load volatile i8, ptr @a, align 1, !dbg !22, !tbaa !2319 %2 = sext i8 %1 to i32, !dbg !2220 %3 = load volatile i16, ptr @foo.b, align 2, !dbg !26, !tbaa !2721 %4 = sext i16 %3 to i32, !dbg !2622 %5 = add nsw i32 %4, %2, !dbg !2923 ret i32 %5, !dbg !3024}25 26; CHECK: .section .BTF,"",@progbits27; CHECK-NEXT: .short 60319 # 0xeb9f28; CHECK-NEXT: .byte 129; CHECK-NEXT: .byte 030; CHECK-NEXT: .long 2431; CHECK-NEXT: .long 032; CHECK-NEXT: .long 18833; CHECK-NEXT: .long 18834; CHECK-NEXT: .long 7635; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)36; CHECK-NEXT: .long 218103808 # 0xd00000037; CHECK-NEXT: .long 238; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2)39; CHECK-NEXT: .long 16777216 # 0x100000040; CHECK-NEXT: .long 441; CHECK-NEXT: .long 16777248 # 0x100002042; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3)43; CHECK-NEXT: .long 201326593 # 0xc00000144; CHECK-NEXT: .long 145; CHECK-NEXT: .long 0 # BTF_KIND_CONST(id = 4)46; CHECK-NEXT: .long 167772160 # 0xa00000047; CHECK-NEXT: .long 548; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 5)49; CHECK-NEXT: .long 150994944 # 0x900000050; CHECK-NEXT: .long 651; CHECK-NEXT: .long 52 # BTF_KIND_INT(id = 6)52; CHECK-NEXT: .long 16777216 # 0x100000053; CHECK-NEXT: .long 254; CHECK-NEXT: .long 16777232 # 0x100001055; CHECK-NEXT: .long 58 # BTF_KIND_VAR(id = 7)56; CHECK-NEXT: .long 234881024 # 0xe00000057; CHECK-NEXT: .long 458; CHECK-NEXT: .long 059; CHECK-NEXT: .long 0 # BTF_KIND_CONST(id = 8)60; CHECK-NEXT: .long 167772160 # 0xa00000061; CHECK-NEXT: .long 962; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 9)63; CHECK-NEXT: .long 150994944 # 0x900000064; CHECK-NEXT: .long 1065; CHECK-NEXT: .long 64 # BTF_KIND_INT(id = 10)66; CHECK-NEXT: .long 16777216 # 0x100000067; CHECK-NEXT: .long 168; CHECK-NEXT: .long 16777224 # 0x100000869; CHECK-NEXT: .long 69 # BTF_KIND_VAR(id = 11)70; CHECK-NEXT: .long 234881024 # 0xe00000071; CHECK-NEXT: .long 872; CHECK-NEXT: .long 073; CHECK-NEXT: .long 71 # BTF_KIND_DATASEC(id = 12)74; CHECK-NEXT: .long 251658242 # 0xf00000275; CHECK-NEXT: .long 076; CHECK-NEXT: .long 777; CHECK-NEXT: .long foo.b78; CHECK-NEXT: .long 279; CHECK-NEXT: .long 1180; CHECK-NEXT: .long a81; CHECK-NEXT: .long 182; CHECK-NEXT: .byte 0 # string offset=083; CHECK-NEXT: .ascii "int" # string offset=184; CHECK-NEXT: .byte 085; CHECK-NEXT: .ascii "foo" # string offset=586; CHECK-NEXT: .byte 087; CHECK-NEXT: .ascii ".text" # string offset=988; CHECK-NEXT: .byte 089; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=1590; CHECK-NEXT: .byte 091; CHECK-NEXT: .ascii "short" # string offset=5292; CHECK-NEXT: .byte 093; CHECK-NEXT: .ascii "foo.b" # string offset=5894; CHECK-NEXT: .byte 095; CHECK-NEXT: .ascii "char" # string offset=6496; CHECK-NEXT: .byte 097; CHECK-NEXT: .byte 97 # string offset=6998; CHECK-NEXT: .byte 099; CHECK-NEXT: .ascii "maps" # string offset=71100; CHECK-NEXT: .byte 0101 102!llvm.dbg.cu = !{!7}103!llvm.module.flags = !{!18, !19, !20}104!llvm.ident = !{!21}105 106!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())107!1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 3, type: !15, isLocal: true, isDefinition: true)108!2 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 2, type: !4, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !7, retainedNodes: !8)109!3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug")110!4 = !DISubroutineType(types: !5)111!5 = !{!6}112!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)113!7 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 8.0.20181009 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !8, globals: !9, nameTableKind: None)114!8 = !{}115!9 = !{!0, !10}116!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())117!11 = distinct !DIGlobalVariable(name: "a", scope: !7, file: !3, line: 1, type: !12, isLocal: true, isDefinition: true)118!12 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13)119!13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !14)120!14 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)121!15 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !16)122!16 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !17)123!17 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)124!18 = !{i32 2, !"Dwarf Version", i32 4}125!19 = !{i32 2, !"Debug Info Version", i32 3}126!20 = !{i32 1, !"wchar_size", i32 4}127!21 = !{!"clang version 8.0.20181009 "}128!22 = !DILocation(line: 4, column: 10, scope: !2)129!23 = !{!24, !24, i64 0}130!24 = !{!"omnipotent char", !25, i64 0}131!25 = !{!"Simple C/C++ TBAA"}132!26 = !DILocation(line: 4, column: 14, scope: !2)133!27 = !{!28, !28, i64 0}134!28 = !{!"short", !24, i64 0}135!29 = !DILocation(line: 4, column: 12, scope: !2)136!30 = !DILocation(line: 4, column: 3, scope: !2)137