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fa8d730ab3
in C++ templates." This was reverted in 802b22b5c8c30bebc1695a217478be02653c6b53 due to missing .bc file and a chromium bot failure. https://bugs.chromium.org/p/chromium/issues/detail?id=1057559#c1 This revision address both of them. Summary: This patch adds support for debuginfo generation for defaulted parameters in clang and also extends corresponding DebugMetadata/IR to support this feature. Reviewers: probinson, aprantl, dblaikie Reviewed By: aprantl, dblaikie Differential Revision: https://reviews.llvm.org/D73462
70 lines
3.3 KiB
LLVM
70 lines
3.3 KiB
LLVM
; RUN: llvm-dis -o - %s.bc | FileCheck %s
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; ModuleID = '/dir/test.cpp'
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source_filename = "test.cpp"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%class.foo = type { i8 }
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%class.foo.0 = type { i8 }
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; Function Attrs: noinline norecurse nounwind optnone uwtable
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define dso_local i32 @main() #0 !dbg !7 {
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entry:
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%retval = alloca i32, align 4
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%f1 = alloca %class.foo, align 1
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%f2 = alloca %class.foo.0, align 1
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store i32 0, i32* %retval, align 4
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call void @llvm.dbg.declare(metadata %class.foo* %f1, metadata !11, metadata !DIExpression()), !dbg !16
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call void @llvm.dbg.declare(metadata %class.foo.0* %f2, metadata !17, metadata !DIExpression()), !dbg !23
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ret i32 0, !dbg !24
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { noinline norecurse nounwind optnone uwtable }
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attributes #1 = { nounwind readnone speculatable willreturn }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "test.cpp", directory: "/dir/", checksumkind: CSK_MD5, checksum: "863d08522c2300490dea873efc4b2369")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 5}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 11.0.0"}
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!7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 29, type: !8, scopeLine: 29, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !DILocalVariable(name: "f1", scope: !7, file: !1, line: 30, type: !12)
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!12 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo<int, 6>", file: !1, line: 26, size: 8, flags: DIFlagTypePassByValue, elements: !2, templateParams: !13, identifier: "_ZTS3fooIiLi6EE")
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!13 = !{!14, !15}
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; Old-style DITemplateTypeParameter and DITemplateValueParameter should be
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; upgraded to include defaulted flag.
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; CHECK: !DITemplateTypeParameter({{.*}}
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!14 = !DITemplateTypeParameter(name: "T", type: !10)
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; CHECK: !DITemplateValueParameter({{.*}}
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!15 = !DITemplateValueParameter(name: "i", type: !10, value: i32 6)
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!16 = !DILocation(line: 30, column: 14, scope: !7)
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!17 = !DILocalVariable(name: "f2", scope: !7, file: !1, line: 31, type: !18)
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!18 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "foo<char, 3>", file: !1, line: 26, size: 8, flags: DIFlagTypePassByValue, elements: !2, templateParams: !19, identifier: "_ZTS3fooIcLi3EE")
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!19 = !{!20, !22}
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; CHECK: !DITemplateTypeParameter({{.*}} defaulted: true
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!20 = !DITemplateTypeParameter(name: "T", type: !21, defaulted: true)
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!21 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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; CHECK: !DITemplateValueParameter({{.*}} defaulted: true
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!22 = !DITemplateValueParameter(name: "i", type: !10, defaulted: true, value: i32 3)
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!23 = !DILocation(line: 31, column: 9, scope: !7)
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!24 = !DILocation(line: 32, column: 3, scope: !7)
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