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c61bc48acb
Since r241097, `DIBuilder` has only created distinct `DICompileUnit`s.
The backend is liable to start relying on that (if it hasn't already),
so make uniquable `DICompileUnit`s illegal and automatically upgrade old
bitcode. This is a nice cleanup, since we can remove an unnecessary
`DenseSet` (and the associated uniquing info) from `LLVMContextImpl`.
Almost all the testcases were updated with this script:
git grep -e '= !DICompileUnit' -l -- test |
grep -v test/Bitcode |
xargs sed -i '' -e 's,= !DICompileUnit,= distinct !DICompileUnit,'
I imagine something similar should work for out-of-tree testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243885 91177308-0d34-0410-b5e6-96231b3b80d8
96 lines
4.1 KiB
LLVM
96 lines
4.1 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; Generate from clang with the following source. Note that the definition of
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; the inline function follows its use to workaround another bug that should be
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; fixed soon.
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; namespace ns {
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; int func(int i);
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; }
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; extern int x;
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; int main() { return ns::func(x); }
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; int __attribute__((always_inline)) ns::func(int i) { return i * 2; }
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; CHECK: DW_TAG_namespace
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; CHECK-NEXT: DW_AT_name {{.*}} "ns"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_linkage_name {{.*}} "_ZN2ns4funcEi"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK: NULL
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_abstract_origin {{.*}} "_ZN2ns4funcEi"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_abstract_origin {{.*}} "i"
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; CHECK: NULL
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; CHECK: NULL
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; CHECK: NULL
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@x = external global i32
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; Function Attrs: uwtable
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define i32 @main() #0 {
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entry:
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%i.addr.i = alloca i32, align 4
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%retval = alloca i32, align 4
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store i32 0, i32* %retval
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%0 = load i32, i32* @x, align 4, !dbg !16
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store i32 %0, i32* %i.addr.i, align 4
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call void @llvm.dbg.declare(metadata i32* %i.addr.i, metadata !117, metadata !DIExpression()), !dbg !18
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%1 = load i32, i32* %i.addr.i, align 4, !dbg !18
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%mul.i = mul nsw i32 %1, 2, !dbg !18
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ret i32 %mul.i, !dbg !16
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}
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; Function Attrs: alwaysinline nounwind uwtable
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define i32 @_ZN2ns4funcEi(i32 %i) #1 {
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entry:
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%i.addr = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !17, metadata !DIExpression()), !dbg !19
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%0 = load i32, i32* %i.addr, align 4, !dbg !19
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%mul = mul nsw i32 %0, 2, !dbg !19
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ret i32 %mul, !dbg !19
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
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attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!13, !14}
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!llvm.ident = !{!15}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "namespace_inline_function_definition.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!3 = !{!4, !9}
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!4 = !DISubprogram(name: "main", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !5, type: !6, function: i32 ()* @main, variables: !2)
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!5 = !DIFile(filename: "namespace_inline_function_definition.cpp", directory: "/tmp/dbginfo")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !DISubprogram(name: "func", linkageName: "_ZN2ns4funcEi", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 6, file: !1, scope: !10, type: !11, function: i32 (i32)* @_ZN2ns4funcEi, variables: !2)
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!10 = !DINamespace(name: "ns", line: 1, file: !1, scope: null)
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!11 = !DISubroutineType(types: !12)
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!12 = !{!8, !8}
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!13 = !{i32 2, !"Dwarf Version", i32 4}
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!14 = !{i32 2, !"Debug Info Version", i32 3}
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!15 = !{!"clang version 3.5.0 "}
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!16 = !DILocation(line: 5, scope: !4)
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!17 = !DILocalVariable(name: "i", line: 6, arg: 1, scope: !9, file: !5, type: !8)
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!117 = !DILocalVariable(name: "i", line: 6, arg: 1, scope: !9, file: !5, type: !8)
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!18 = !DILocation(line: 6, scope: !9, inlinedAt: !16)
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!19 = !DILocation(line: 6, scope: !9)
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