diff options
Diffstat (limited to 'llvm/test/CodeGen/BPF/BTF/static-var.ll')
| -rw-r--r-- | llvm/test/CodeGen/BPF/BTF/static-var.ll | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/BPF/BTF/static-var.ll b/llvm/test/CodeGen/BPF/BTF/static-var.ll new file mode 100644 index 00000000000..3fff7a2535d --- /dev/null +++ b/llvm/test/CodeGen/BPF/BTF/static-var.ll @@ -0,0 +1,107 @@ +; 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 96 +; CHECK-NEXT: .long 96 +; CHECK-NEXT: .long 63 +; CHECK-NEXT: .long 0 # BTF_KIND_FUNC_PROTO(id = 1) +; CHECK-NEXT: .long 218103808 # 0xd000000 +; CHECK-NEXT: .long 2 +; CHECK-NEXT: .long 44 # BTF_KIND_INT(id = 2) +; CHECK-NEXT: .long 16777216 # 0x1000000 +; CHECK-NEXT: .long 4 +; CHECK-NEXT: .long 16777248 # 0x1000020 +; CHECK-NEXT: .long 48 # BTF_KIND_FUNC(id = 3) +; CHECK-NEXT: .long 201326592 # 0xc000000 +; 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 0 # BTF_KIND_VOLATILE(id = 6) +; CHECK-NEXT: .long 150994944 # 0x9000000 +; CHECK-NEXT: .long 7 +; CHECK-NEXT: .long 58 # BTF_KIND_INT(id = 7) +; CHECK-NEXT: .long 16777216 # 0x1000000 +; CHECK-NEXT: .long 1 +; CHECK-NEXT: .long 16777224 # 0x1000008 +; CHECK-NEXT: .byte 0 # string offset=0 +; CHECK-NEXT: .ascii ".text" # string offset=1 +; CHECK-NEXT: .byte 0 +; CHECK-NEXT: .ascii "/home/yhs/work/tests/llvm/bug/test.c" # string offset=7 +; CHECK-NEXT: .byte 0 +; CHECK-NEXT: .ascii "int" # string offset=44 +; CHECK-NEXT: .byte 0 +; CHECK-NEXT: .ascii "foo" # string offset=48 +; CHECK-NEXT: .byte 0 +; CHECK-NEXT: .ascii "short" # string offset=52 +; CHECK-NEXT: .byte 0 +; CHECK-NEXT: .ascii "char" # string offset=58 +; CHECK-NEXT: .byte 0 + +attributes #0 = { norecurse nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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) |
