derek.holloway
7502bf64a4
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153 lines
7.1 KiB
Plaintext
153 lines
7.1 KiB
Plaintext
RUN: rm -rf %t && split-file %s %t && cd %t
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RUN: llc a.ll -o a.o -filetype=obj --split-dwarf-output=a.dwo --split-dwarf-file=a.dwo
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RUN: llc b.ll -o b.o -filetype=obj --split-dwarf-output=b.dwo --split-dwarf-file=b.dwo
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RUN: llc c.ll -o c.o -filetype=obj --split-dwarf-output=c.dwo --split-dwarf-file=c.dwo
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RUN: llvm-dwp a.dwo b.dwo -o ab.dwp
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RUN: llvm-dwp c.dwo ab.dwp -o merged.dwp
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RUN: llvm-dwarfdump -v merged.dwp | FileCheck --check-prefix=CHECK %s
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CHECK-LABEL: .debug_str_offsets.dwo contents:
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CHECK: Contribution size = 32, Format = DWARF32, Version = 5
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CHECK: 0x00000008: 00000000 "_Z1cv"
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CHECK: 0x0000000c: 00000006 "c"
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CHECK: 0x00000010: 00000008 "int"
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CHECK: 0x00000014: 0000000c "baz"
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CHECK: 0x00000018: 00000010 ""
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CHECK: 0x0000001c: 00000011 "c.cpp"
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CHECK: 0x00000020: 00000017 "c.dwo"
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CHECK: Contribution size = 24, Format = DWARF32, Version = 5
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CHECK: 0x0000002c: 0000001d "a"
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CHECK: 0x00000030: 0000001f "foo"
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CHECK: 0x00000034: 00000010 ""
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CHECK: 0x00000038: 00000023 "a.cpp"
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CHECK: 0x0000003c: 00000029 "a.dwo"
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CHECK: Contribution size = 28, Format = DWARF32, Version = 5
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CHECK: 0x00000048: 0000002f "_Z1b3bar"
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CHECK: 0x0000004c: 00000038 "b"
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CHECK: 0x00000050: 0000003a "bar"
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CHECK: 0x00000054: 00000010 ""
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CHECK: 0x00000058: 0000003e "b.cpp"
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CHECK: 0x0000005c: 00000044 "b.dwo"
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;--- a.cpp
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struct foo { };
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foo a;
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;--- b.cpp
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struct bar { };
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void b(bar) {
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}
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;--- c.cpp
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typedef int baz;
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baz c() {
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}
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;--- gen
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clang --target=x86_64-linux -g3 -S -emit-llvm -gsplit-dwarf a.cpp -o -
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echo '#--- b.ll'
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clang --target=x86_64-linux -g3 -S -emit-llvm -gsplit-dwarf b.cpp -o -
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echo '#--- c.ll'
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clang --target=x86_64-linux -g3 -S -emit-llvm -gsplit-dwarf c.cpp -o -
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;--- a.ll
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; ModuleID = 'a.cpp'
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source_filename = "a.cpp"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux"
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%struct.foo = type { i8 }
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@a = dso_local global %struct.foo zeroinitializer, align 1, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9, !10, !11, !12, !13}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, isOptimized: false, runtimeVersion: 0, splitDebugFilename: "a.dwo", emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: GNU)
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!3 = !DIFile(filename: "a.cpp", directory: "/proc/self/cwd", checksumkind: CSK_MD5, checksum: "394299a94a96cb48c0c9c95d7baf01f5")
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!4 = !{!0}
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!5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "foo", file: !3, line: 1, size: 8, flags: DIFlagTypePassByValue, elements: !6, identifier: "_ZTS3foo")
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!6 = !{}
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!7 = !{i32 7, !"Dwarf Version", i32 5}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 4}
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!10 = !{i32 8, !"PIC Level", i32 2}
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!11 = !{i32 7, !"PIE Level", i32 2}
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!12 = !{i32 7, !"uwtable", i32 2}
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!13 = !{i32 7, !"frame-pointer", i32 2}
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#--- b.ll
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; ModuleID = 'b.cpp'
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source_filename = "b.cpp"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux"
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%struct.bar = type { i8 }
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; Function Attrs: mustprogress noinline nounwind optnone uwtable
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define dso_local void @_Z1b3bar() #0 !dbg !9 {
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%1 = alloca %struct.bar, align 1
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call void @llvm.dbg.declare(metadata ptr %1, metadata !14, metadata !DIExpression()), !dbg !15
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ret void, !dbg !16
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}
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; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { mustprogress noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: false, runtimeVersion: 0, splitDebugFilename: "b.dwo", emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: GNU)
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!1 = !DIFile(filename: "b.cpp", directory: "/proc/self/cwd", checksumkind: CSK_MD5, checksum: "8195382ac12baa5edfe47e2e4725f4a7")
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!2 = !{i32 7, !"Dwarf Version", i32 5}
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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 8, !"PIC Level", i32 2}
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!6 = !{i32 7, !"PIE Level", i32 2}
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!7 = !{i32 7, !"uwtable", i32 2}
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!8 = !{i32 7, !"frame-pointer", i32 2}
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!9 = distinct !DISubprogram(name: "b", linkageName: "_Z1b3bar", scope: !1, file: !1, line: 2, type: !10, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !13)
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!10 = !DISubroutineType(types: !11)
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!11 = !{null, !12}
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!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "bar", file: !1, line: 1, size: 8, flags: DIFlagTypePassByValue, elements: !13, identifier: "_ZTS3bar")
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!13 = !{}
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!14 = !DILocalVariable(arg: 1, scope: !9, file: !1, line: 2, type: !12)
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!15 = !DILocation(line: 2, column: 13, scope: !9)
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!16 = !DILocation(line: 3, column: 3, scope: !9)
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#--- c.ll
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; ModuleID = 'c.cpp'
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source_filename = "c.cpp"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux"
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; Function Attrs: mustprogress noinline nounwind optnone uwtable
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define dso_local noundef i32 @_Z1cv() #0 !dbg !9 {
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call void @llvm.trap(), !dbg !14
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unreachable, !dbg !14
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}
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; Function Attrs: cold noreturn nounwind memory(inaccessiblemem: write)
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declare void @llvm.trap() #1
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attributes #0 = { mustprogress noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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attributes #1 = { cold noreturn nounwind memory(inaccessiblemem: write) }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: false, runtimeVersion: 0, splitDebugFilename: "c.dwo", emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: GNU)
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!1 = !DIFile(filename: "c.cpp", directory: "/proc/self/cwd", checksumkind: CSK_MD5, checksum: "e508eeb01e2e608fe8713f9132696ef5")
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!2 = !{i32 7, !"Dwarf Version", i32 5}
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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 8, !"PIC Level", i32 2}
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!6 = !{i32 7, !"PIE Level", i32 2}
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!7 = !{i32 7, !"uwtable", i32 2}
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!8 = !{i32 7, !"frame-pointer", i32 2}
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!9 = distinct !DISubprogram(name: "c", linkageName: "_Z1cv", scope: !1, file: !1, line: 2, type: !10, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)
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!10 = !DISubroutineType(types: !11)
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!11 = !{!12}
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!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "baz", file: !1, line: 1, baseType: !13)
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!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!14 = !DILocation(line: 2, column: 11, scope: !9)
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