diff options
Diffstat (limited to 'llvm/test/CodeGen/BPF/CORE/offset-reloc-access-str.ll')
| -rw-r--r-- | llvm/test/CodeGen/BPF/CORE/offset-reloc-access-str.ll | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/BPF/CORE/offset-reloc-access-str.ll b/llvm/test/CodeGen/BPF/CORE/offset-reloc-access-str.ll new file mode 100644 index 00000000000..5625bf99fa4 --- /dev/null +++ b/llvm/test/CodeGen/BPF/CORE/offset-reloc-access-str.ll @@ -0,0 +1,95 @@ +; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck %s +; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck %s +; +; Source code: +; struct s { int a; int b; }; +; struct t { int c; int d; }; +; #define _(x) (__builtin_preserve_access_index(x)) +; int get_value(const void *addr1, const void *addr2); +; int test(struct s *arg1, struct t *arg2) { +; return get_value(_(&arg1->b), _(&arg2->d)); +; } +; clang -target bpf -S -O2 -g -emit-llvm test.c + +%struct.s = type { i32, i32 } +%struct.t = type { i32, i32 } + +; Function Attrs: nounwind +define dso_local i32 @test(%struct.s* %arg1, %struct.t* %arg2) local_unnamed_addr #0 !dbg !7 { +entry: + call void @llvm.dbg.value(metadata %struct.s* %arg1, metadata !22, metadata !DIExpression()), !dbg !24 + call void @llvm.dbg.value(metadata %struct.t* %arg2, metadata !23, metadata !DIExpression()), !dbg !24 + %0 = tail call i32* @llvm.preserve.struct.access.index.p0i32.p0s_struct.ss(%struct.s* %arg1, i32 1, i32 1), !dbg !25, !llvm.preserve.access.index !12 + %1 = bitcast i32* %0 to i8*, !dbg !25 + %2 = tail call i32* @llvm.preserve.struct.access.index.p0i32.p0s_struct.ts(%struct.t* %arg2, i32 1, i32 1), !dbg !26, !llvm.preserve.access.index !17 + %3 = bitcast i32* %2 to i8*, !dbg !26 + %call = tail call i32 @get_value(i8* %1, i8* %3) #4, !dbg !27 + ret i32 %call, !dbg !28 +} + +; CHECK: .section .BTF,"",@progbits +; CHECK: .ascii ".text" # string offset=[[SEC_INDEX:[0-9]+]] +; CHECK-NEXT: .byte 0 +; CHECK: .ascii "0:1" # string offset=[[ACCESS_STR:[0-9]+]] +; CHECK-NEXT: .byte 0 +; CHECK: .section .BTF.ext,"",@progbits +; CHECK: .long 12 # OffsetReloc +; CHECK-NEXT: .long [[SEC_INDEX]] # Offset reloc section string offset=[[SEC_INDEX]] +; CHECK-NEXT: .long 2 +; CHECK-NEXT: .long .Ltmp{{[0-9]+}} +; CHECK-NEXT: .long {{[0-9]+}} +; CHECK-NEXT: .long [[ACCESS_STR]] +; CHECK-NEXT: .long .Ltmp{{[0-9]+}} +; CHECK-NEXT: .long {{[0-9]+}} +; CHECK-NEXT: .long [[ACCESS_STR]] + +declare dso_local i32 @get_value(i8*, i8*) local_unnamed_addr #1 + +; Function Attrs: nounwind readnone +declare i32* @llvm.preserve.struct.access.index.p0i32.p0s_struct.ss(%struct.s*, i32 immarg, i32 immarg) #2 + +; Function Attrs: nounwind readnone +declare i32* @llvm.preserve.struct.access.index.p0i32.p0s_struct.ts(%struct.t*, i32 immarg, i32 immarg) #2 + +; Function Attrs: nounwind readnone speculatable +declare void @llvm.dbg.value(metadata, metadata, metadata) #3 + +attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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" } +attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="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" } +attributes #2 = { nounwind readnone } +attributes #3 = { nounwind readnone speculatable } +attributes #4 = { nounwind } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4, !5} +!llvm.ident = !{!6} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0 (trunk 366831) (llvm/trunk 366867)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) +!1 = !DIFile(filename: "test.c", directory: "/tmp/home/yhs/work/tests/llvm/core-bugs") +!2 = !{} +!3 = !{i32 2, !"Dwarf Version", i32 4} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = !{i32 1, !"wchar_size", i32 4} +!6 = !{!"clang version 10.0.0 (trunk 366831) (llvm/trunk 366867)"} +!7 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 5, type: !8, scopeLine: 5, flags: DIFlagPrototyped, isDefinition: true, isOptimized: true, unit: !0, retainedNodes: !21) +!8 = !DISubroutineType(types: !9) +!9 = !{!10, !11, !16} +!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) +!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s", file: !1, line: 1, size: 64, elements: !13) +!13 = !{!14, !15} +!14 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !12, file: !1, line: 1, baseType: !10, size: 32) +!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !12, file: !1, line: 1, baseType: !10, size: 32, offset: 32) +!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 64) +!17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !1, line: 2, size: 64, elements: !18) +!18 = !{!19, !20} +!19 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !17, file: !1, line: 2, baseType: !10, size: 32) +!20 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !17, file: !1, line: 2, baseType: !10, size: 32, offset: 32) +!21 = !{!22, !23} +!22 = !DILocalVariable(name: "arg1", arg: 1, scope: !7, file: !1, line: 5, type: !11) +!23 = !DILocalVariable(name: "arg2", arg: 2, scope: !7, file: !1, line: 5, type: !16) +!24 = !DILocation(line: 0, scope: !7) +!25 = !DILocation(line: 6, column: 20, scope: !7) +!26 = !DILocation(line: 6, column: 33, scope: !7) +!27 = !DILocation(line: 6, column: 10, scope: !7) +!28 = !DILocation(line: 6, column: 3, scope: !7) |
