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85 lines
3.9 KiB
LLVM
85 lines
3.9 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-linux -split-dwarf-file=input.dwo -O3 \
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; RUN: -function-sections -data-sections \
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; RUN: -relocation-model=pic -filetype=asm \
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; RUN: -generate-type-units -o - %s | \
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; RUN: FileCheck %s --check-prefix=CHECK-ASM
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; RUN: llc -mtriple=x86_64-pc-linux -split-dwarf-file=input.dwo -O3 \
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; RUN: -function-sections -data-sections \
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; RUN: -relocation-model=pic -filetype=obj \
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; RUN: -generate-type-units -o - %s | \
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; RUN: llvm-readelf -sections | \
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; RUN: FileCheck %s --check-prefix=CHECK-ELF
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; Created from `clang++ -fxray-instrument -gsplit-dwarf -fdebug-types-section
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; -ffunction-sections -fdata-sections -emit-llvm -S input.cc`:
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; input.cc:
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;
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; class a {
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; int b();
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; };
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; int a::b() {
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; for (;;)
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; ;
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; }
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;
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; In this test we want to make sure that the xray_instr_map section for
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; `a::b()` is actually associated with the function's symbol instead of the
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; .debug_types.dwo section.
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;
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; CHECK-ASM: xray_fn_idx,"awo",@progbits,_ZN1a1bEv,unique,1
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;
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; CHECK-ELF-DAG: [[FSECT:[0-9]+]]] .text._ZN1a1bEv PROGBITS
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; CHECK-ELF-DAG: [{{.*}}] .debug_types.dwo PROGBITS
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; CHECK-ELF-DAG: [{{.*}}] xray_instr_map PROGBITS {{.*}} {{.*}} {{.*}} {{.*}} WAL [[FSECT]]
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target triple = "x86_64-pc-linux"
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%class.a = type { i8 }
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; Function Attrs: nounwind readnone uwtable
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define i32 @_ZN1a1bEv(%class.a* nocapture readnone) local_unnamed_addr #0 align 2 !dbg !8 {
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tail call void @llvm.dbg.value(metadata %class.a* %0, metadata !17, metadata !DIExpression()), !dbg !19
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br label %2, !dbg !20
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; <label>:2: ; preds = %2, %1
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br label %2, !dbg !21, !llvm.loop !25
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind readnone uwtable "xray-instruction-threshold"="200" }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version trunk (trunk r312634)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, debugInfoForProfiling: true)
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!1 = !DIFile(filename: "input.cc", directory: "/usr/local/google/home/dberris/tmp")
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!2 = !{}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = !{i32 1, !"wchar_size", i32 4}
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!5 = !{i32 7, !"PIC Level", i32 2}
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!6 = !{i32 7, !"PIE Level", i32 2}
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!7 = !{!"clang version trunk (trunk r312634)"}
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!8 = distinct !DISubprogram(name: "b", linkageName: "_ZN1a1bEv", scope: !9, file: !1, line: 4, type: !12, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, declaration: !11, variables: !16)
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!9 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "a", file: !1, line: 1, size: 8, elements: !10, identifier: "_ZTS1a")
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!10 = !{!11}
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!11 = !DISubprogram(name: "b", linkageName: "_ZN1a1bEv", scope: !9, file: !1, line: 2, type: !12, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true)
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!12 = !DISubroutineType(types: !13)
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!13 = !{!14, !15}
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!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!16 = !{!17}
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!17 = !DILocalVariable(name: "this", arg: 1, scope: !8, type: !18, flags: DIFlagArtificial | DIFlagObjectPointer)
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!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
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!19 = !DILocation(line: 0, scope: !8)
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!20 = !DILocation(line: 5, column: 3, scope: !8)
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!21 = !DILocation(line: 5, column: 3, scope: !22)
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!22 = !DILexicalBlockFile(scope: !23, file: !1, discriminator: 2)
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!23 = distinct !DILexicalBlock(scope: !24, file: !1, line: 5, column: 3)
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!24 = distinct !DILexicalBlock(scope: !8, file: !1, line: 5, column: 3)
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!25 = distinct !{!25, !26, !27}
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!26 = !DILocation(line: 5, column: 3, scope: !24)
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!27 = !DILocation(line: 6, column: 5, scope: !24)
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