1; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s 2; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s 3 4; Source code: 5; static volatile char a __attribute__((section("maps"))); 6; int foo() { 7; static volatile short b __attribute__((section("maps"))); 8; return a + b; 9; } 10; Compilation flag: 11; clang -target bpf -O2 -g -S -emit-llvm test.c 12 13@foo.b = internal global i16 0, section "maps", align 2, !dbg !0 14@a = internal global i8 0, section "maps", align 1, !dbg !10 15 16; Function Attrs: norecurse nounwind 17define dso_local i32 @foo() local_unnamed_addr #0 !dbg !2 { 18 %1 = load volatile i8, i8* @a, align 1, !dbg !20, !tbaa !21 19 %2 = sext i8 %1 to i32, !dbg !20 20 %3 = load volatile i16, i16* @foo.b, align 2, !dbg !24, !tbaa !25 21 %4 = sext i16 %3 to i32, !dbg !24 22 %5 = add nsw i32 %4, %2, !dbg !27 23 ret i32 %5, !dbg !28 24} 25 26; CHECK: .section .BTF,"",@progbits 27; CHECK-NEXT: .short 60319 # 0xeb9f 28; CHECK-NEXT: .byte 1 29; CHECK-NEXT: .byte 0 30; CHECK-NEXT: .long 24 31; CHECK-NEXT: .long 0 32; CHECK-NEXT: .long 164 33; CHECK-NEXT: .long 164 34; CHECK-NEXT: .long 76 35; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) 36; CHECK-NEXT: .long 218103808 # 0xd000000 37; CHECK-NEXT: .long 2 38; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2) 39; CHECK-NEXT: .long 16777216 # 0x1000000 40; CHECK-NEXT: .long 4 41; CHECK-NEXT: .long 16777248 # 0x1000020 42; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3) 43; CHECK-NEXT: .long 201326593 # 0xc000001 44; CHECK-NEXT: .long 1 45; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 4) 46; CHECK-NEXT: .long 150994944 # 0x9000000 47; CHECK-NEXT: .long 5 48; CHECK-NEXT: .long 52 # BTF_KIND_INT(id = 5) 49; CHECK-NEXT: .long 16777216 # 0x1000000 50; CHECK-NEXT: .long 2 51; CHECK-NEXT: .long 16777232 # 0x1000010 52; CHECK-NEXT: .long 58 # BTF_KIND_VAR(id = 6) 53; CHECK-NEXT: .long 234881024 # 0xe000000 54; CHECK-NEXT: .long 4 55; CHECK-NEXT: .long 0 56; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 7) 57; CHECK-NEXT: .long 150994944 # 0x9000000 58; CHECK-NEXT: .long 8 59; CHECK-NEXT: .long 64 # BTF_KIND_INT(id = 8) 60; CHECK-NEXT: .long 16777216 # 0x1000000 61; CHECK-NEXT: .long 1 62; CHECK-NEXT: .long 16777224 # 0x1000008 63; CHECK-NEXT: .long 69 # BTF_KIND_VAR(id = 9) 64; CHECK-NEXT: .long 234881024 # 0xe000000 65; CHECK-NEXT: .long 7 66; CHECK-NEXT: .long 0 67; CHECK-NEXT: .long 71 # BTF_KIND_DATASEC(id = 10) 68; CHECK-NEXT: .long 251658242 # 0xf000002 69; CHECK-NEXT: .long 0 70; CHECK-NEXT: .long 6 71; CHECK-NEXT: .long foo.b 72; CHECK-NEXT: .long 2 73; CHECK-NEXT: .long 9 74; CHECK-NEXT: .long a 75; CHECK-NEXT: .long 1 76; CHECK-NEXT: .byte 0 # string offset=0 77; CHECK-NEXT: .ascii "int" # string offset=1 78; CHECK-NEXT: .byte 0 79; CHECK-NEXT: .ascii "foo" # string offset=5 80; CHECK-NEXT: .byte 0 81; CHECK-NEXT: .ascii ".text" # string offset=9 82; CHECK-NEXT: .byte 0 83; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=15 84; CHECK-NEXT: .byte 0 85; CHECK-NEXT: .ascii "short" # string offset=52 86; CHECK-NEXT: .byte 0 87; CHECK-NEXT: .ascii "foo.b" # string offset=58 88; CHECK-NEXT: .byte 0 89; CHECK-NEXT: .ascii "char" # string offset=64 90; CHECK-NEXT: .byte 0 91; CHECK-NEXT: .byte 97 # string offset=69 92; CHECK-NEXT: .byte 0 93; CHECK-NEXT: .ascii "maps" # string offset=71 94; CHECK-NEXT: .byte 0 95 96attributes #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" } 97 98!llvm.dbg.cu = !{!7} 99!llvm.module.flags = !{!16, !17, !18} 100!llvm.ident = !{!19} 101 102!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 103!1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 3, type: !14, isLocal: true, isDefinition: true) 104!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) 105!3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug") 106!4 = !DISubroutineType(types: !5) 107!5 = !{!6} 108!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 109!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) 110!8 = !{} 111!9 = !{!0, !10} 112!10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) 113!11 = distinct !DIGlobalVariable(name: "a", scope: !7, file: !3, line: 1, type: !12, isLocal: true, isDefinition: true) 114!12 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13) 115!13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 116!14 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !15) 117!15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) 118!16 = !{i32 2, !"Dwarf Version", i32 4} 119!17 = !{i32 2, !"Debug Info Version", i32 3} 120!18 = !{i32 1, !"wchar_size", i32 4} 121!19 = !{!"clang version 8.0.20181009 "} 122!20 = !DILocation(line: 4, column: 10, scope: !2) 123!21 = !{!22, !22, i64 0} 124!22 = !{!"omnipotent char", !23, i64 0} 125!23 = !{!"Simple C/C++ TBAA"} 126!24 = !DILocation(line: 4, column: 14, scope: !2) 127!25 = !{!26, !26, i64 0} 128!26 = !{!"short", !22, i64 0} 129!27 = !DILocation(line: 4, column: 12, scope: !2) 130!28 = !DILocation(line: 4, column: 3, scope: !2) 131