; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s ; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s ; Source code: ; static volatile char a; ; int foo() { ; static volatile short b; ; return a + b; ; } ; Compilation flag: ; clang -target bpf -O2 -g -S -emit-llvm test.c @foo.b = internal global i16 0, align 2, !dbg !0 @a = internal global i8 0, align 1, !dbg !10 ; Function Attrs: norecurse nounwind define dso_local i32 @foo() local_unnamed_addr #0 !dbg !2 { %1 = load volatile i8, i8* @a, align 1, !dbg !20, !tbaa !21 %2 = sext i8 %1 to i32, !dbg !20 %3 = load volatile i16, i16* @foo.b, align 2, !dbg !24, !tbaa !25 %4 = sext i16 %3 to i32, !dbg !24 %5 = add nsw i32 %4, %2, !dbg !27 ret i32 %5, !dbg !28 } ; CHECK: .section .BTF,"",@progbits ; CHECK-NEXT: .short 60319 # 0xeb9f ; CHECK-NEXT: .byte 1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .long 24 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 164 ; CHECK-NEXT: .long 164 ; CHECK-NEXT: .long 76 ; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) ; CHECK-NEXT: .long 218103808 # 0xd000000 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2) ; CHECK-NEXT: .long 16777216 # 0x1000000 ; CHECK-NEXT: .long 4 ; CHECK-NEXT: .long 16777248 # 0x1000020 ; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3) ; CHECK-NEXT: .long 201326593 # 0xc000001 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 4) ; CHECK-NEXT: .long 150994944 # 0x9000000 ; CHECK-NEXT: .long 5 ; CHECK-NEXT: .long 52 # BTF_KIND_INT(id = 5) ; CHECK-NEXT: .long 16777216 # 0x1000000 ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 16777232 # 0x1000010 ; CHECK-NEXT: .long 58 # BTF_KIND_VAR(id = 6) ; CHECK-NEXT: .long 234881024 # 0xe000000 ; CHECK-NEXT: .long 4 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 0 # BTF_KIND_VOLATILE(id = 7) ; CHECK-NEXT: .long 150994944 # 0x9000000 ; CHECK-NEXT: .long 8 ; CHECK-NEXT: .long 64 # BTF_KIND_INT(id = 8) ; CHECK-NEXT: .long 16777216 # 0x1000000 ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .long 16777224 # 0x1000008 ; CHECK-NEXT: .long 69 # BTF_KIND_VAR(id = 9) ; CHECK-NEXT: .long 234881024 # 0xe000000 ; CHECK-NEXT: .long 7 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 71 # BTF_KIND_DATASEC(id = 10) ; CHECK-NEXT: .long 251658242 # 0xf000002 ; CHECK-NEXT: .long 0 ; CHECK-NEXT: .long 6 ; CHECK-NEXT: .long foo.b ; CHECK-NEXT: .long 2 ; CHECK-NEXT: .long 9 ; CHECK-NEXT: .long a ; CHECK-NEXT: .long 1 ; CHECK-NEXT: .byte 0 # string offset=0 ; CHECK-NEXT: .ascii "int" # string offset=1 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "foo" # string offset=5 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii ".text" # string offset=9 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=15 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "short" # string offset=52 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "foo.b" # string offset=58 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii "char" # string offset=64 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .byte 97 # string offset=69 ; CHECK-NEXT: .byte 0 ; CHECK-NEXT: .ascii ".bss" # string offset=71 ; CHECK-NEXT: .byte 0 attributes #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" } !llvm.dbg.cu = !{!7} !llvm.module.flags = !{!16, !17, !18} !llvm.ident = !{!19} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 3, type: !14, isLocal: true, isDefinition: true) !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) !3 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug") !4 = !DISubroutineType(types: !5) !5 = !{!6} !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !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) !8 = !{} !9 = !{!0, !10} !10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression()) !11 = distinct !DIGlobalVariable(name: "a", scope: !7, file: !3, line: 1, type: !12, isLocal: true, isDefinition: true) !12 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13) !13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !14 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !15) !15 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed) !16 = !{i32 2, !"Dwarf Version", i32 4} !17 = !{i32 2, !"Debug Info Version", i32 3} !18 = !{i32 1, !"wchar_size", i32 4} !19 = !{!"clang version 8.0.20181009 "} !20 = !DILocation(line: 4, column: 10, scope: !2) !21 = !{!22, !22, i64 0} !22 = !{!"omnipotent char", !23, i64 0} !23 = !{!"Simple C/C++ TBAA"} !24 = !DILocation(line: 4, column: 14, scope: !2) !25 = !{!26, !26, i64 0} !26 = !{!"short", !22, i64 0} !27 = !DILocation(line: 4, column: 12, scope: !2) !28 = !DILocation(line: 4, column: 3, scope: !2)