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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 char a;6; int foo() {7; static volatile short b;8; return a + b;9; }10; Compilation flag:11; clang -target bpf -O2 -g -S -emit-llvm test.c12 13@foo.b = internal global i16 0, align 2, !dbg !014@a = internal global i8 0, 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 !20, !tbaa !2119 %2 = sext i8 %1 to i32, !dbg !2020 %3 = load volatile i16, ptr @foo.b, align 2, !dbg !24, !tbaa !2521 %4 = sext i16 %3 to i32, !dbg !2422 %5 = add nsw i32 %4, %2, !dbg !2723 ret i32 %5, !dbg !2824}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 16433; CHECK-NEXT: .long 16434; 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_VOLATILE(id = 4)46; CHECK-NEXT: .long 150994944 # 0x900000047; CHECK-NEXT: .long 548; CHECK-NEXT: .long 52 # BTF_KIND_INT(id = 5)49; CHECK-NEXT: .long 16777216 # 0x100000050; CHECK-NEXT: .long 251; CHECK-NEXT: .long 16777232 # 0x100001052; CHECK-NEXT: .long 58 # BTF_KIND_VAR(id = 6)53; CHECK-NEXT: .long 234881024 # 0xe00000054; CHECK-NEXT: .long 455; CHECK-NEXT: .long 056; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 7)57; CHECK-NEXT: .long 150994944 # 0x900000058; CHECK-NEXT: .long 859; CHECK-NEXT: .long 64 # BTF_KIND_INT(id = 8)60; CHECK-NEXT: .long 16777216 # 0x100000061; CHECK-NEXT: .long 162; CHECK-NEXT: .long 16777224 # 0x100000863; CHECK-NEXT: .long 69 # BTF_KIND_VAR(id = 9)64; CHECK-NEXT: .long 234881024 # 0xe00000065; CHECK-NEXT: .long 766; CHECK-NEXT: .long 067; CHECK-NEXT: .long 71 # BTF_KIND_DATASEC(id = 10)68; CHECK-NEXT: .long 251658242 # 0xf00000269; CHECK-NEXT: .long 070; CHECK-NEXT: .long 671; CHECK-NEXT: .long foo.b72; CHECK-NEXT: .long 273; CHECK-NEXT: .long 974; CHECK-NEXT: .long a75; CHECK-NEXT: .long 176; CHECK-NEXT: .byte 0 # string offset=077; CHECK-NEXT: .ascii "int" # string offset=178; CHECK-NEXT: .byte 079; CHECK-NEXT: .ascii "foo" # string offset=580; CHECK-NEXT: .byte 081; CHECK-NEXT: .ascii ".text" # string offset=982; CHECK-NEXT: .byte 083; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=1584; CHECK-NEXT: .byte 085; CHECK-NEXT: .ascii "short" # string offset=5286; CHECK-NEXT: .byte 087; CHECK-NEXT: .ascii "foo.b" # string offset=5888; CHECK-NEXT: .byte 089; CHECK-NEXT: .ascii "char" # string offset=6490; CHECK-NEXT: .byte 091; CHECK-NEXT: .byte 97 # string offset=6992; CHECK-NEXT: .byte 093; CHECK-NEXT: .ascii ".bss" # string offset=7194; CHECK-NEXT: .byte 095 96!llvm.dbg.cu = !{!7}97!llvm.module.flags = !{!16, !17, !18}98!llvm.ident = !{!19}99 100!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())101!1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 3, type: !14, isLocal: true, isDefinition: true)102!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)103!3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug")104!4 = !DISubroutineType(types: !5)105!5 = !{!6}106!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)107!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)108!8 = !{}109!9 = !{!0, !10}110!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())111!11 = distinct !DIGlobalVariable(name: "a", scope: !7, file: !3, line: 1, type: !12, isLocal: true, isDefinition: true)112!12 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13)113!13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)114!14 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !15)115!15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)116!16 = !{i32 2, !"Dwarf Version", i32 4}117!17 = !{i32 2, !"Debug Info Version", i32 3}118!18 = !{i32 1, !"wchar_size", i32 4}119!19 = !{!"clang version 8.0.20181009 "}120!20 = !DILocation(line: 4, column: 10, scope: !2)121!21 = !{!22, !22, i64 0}122!22 = !{!"omnipotent char", !23, i64 0}123!23 = !{!"Simple C/C++ TBAA"}124!24 = !DILocation(line: 4, column: 14, scope: !2)125!25 = !{!26, !26, i64 0}126!26 = !{!"short", !22, i64 0}127!27 = !DILocation(line: 4, column: 12, scope: !2)128!28 = !DILocation(line: 4, column: 3, scope: !2)129