68 lines · plain
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; extern char a;6; int foo() { return a; }7; Compilation flag:8; clang -target bpf -O2 -g -S -emit-llvm test.c9 10@a = external dso_local local_unnamed_addr global i8, align 111 12; Function Attrs: norecurse nounwind readonly13define dso_local i32 @foo() local_unnamed_addr !dbg !7 {14 %1 = load i8, ptr @a, align 1, !dbg !11, !tbaa !1215 %2 = sext i8 %1 to i32, !dbg !1116 ret i32 %2, !dbg !1517}18 19; CHECK: .section .BTF,"",@progbits20; CHECK-NEXT: .short 60319 # 0xeb9f21; CHECK-NEXT: .byte 122; CHECK-NEXT: .byte 023; CHECK-NEXT: .long 2424; CHECK-NEXT: .long 025; CHECK-NEXT: .long 4026; CHECK-NEXT: .long 4027; CHECK-NEXT: .long 5228; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1)29; CHECK-NEXT: .long 218103808 # 0xd00000030; CHECK-NEXT: .long 231; CHECK-NEXT: .long 1 # BTF_KIND_INT(id = 2)32; CHECK-NEXT: .long 16777216 # 0x100000033; CHECK-NEXT: .long 434; CHECK-NEXT: .long 16777248 # 0x100002035; CHECK-NEXT: .long 5 # BTF_KIND_FUNC(id = 3)36; CHECK-NEXT: .long 201326593 # 0xc00000137; CHECK-NEXT: .long 138; CHECK-NEXT: .byte 0 # string offset=039; CHECK-NEXT: .ascii "int" # string offset=140; CHECK-NEXT: .byte 041; CHECK-NEXT: .ascii "foo" # string offset=542; CHECK-NEXT: .byte 043; CHECK-NEXT: .ascii ".text" # string offset=944; CHECK-NEXT: .byte 045; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=1546; CHECK-NEXT: .byte 047 48!llvm.dbg.cu = !{!0}49!llvm.module.flags = !{!3, !4, !5}50!llvm.ident = !{!6}51 52!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 8.0.20181009 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)53!1 = !DIFile(filename: "test.c", directory: "/home/yhs/work/tests/llvm/bug")54!2 = !{}55!3 = !{i32 2, !"Dwarf Version", i32 4}56!4 = !{i32 2, !"Debug Info Version", i32 3}57!5 = !{i32 1, !"wchar_size", i32 4}58!6 = !{!"clang version 8.0.20181009 "}59!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !0, retainedNodes: !2)60!8 = !DISubroutineType(types: !9)61!9 = !{!10}62!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)63!11 = !DILocation(line: 2, column: 20, scope: !7)64!12 = !{!13, !13, i64 0}65!13 = !{!"omnipotent char", !14, i64 0}66!14 = !{!"Simple C/C++ TBAA"}67!15 = !DILocation(line: 2, column: 13, scope: !7)68