forked from OSchip/llvm-project
165 lines
9.2 KiB
LLVM
165 lines
9.2 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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; IR generated from clang -O0 with:
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; struct C {
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; ~C();
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; };
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; extern bool b;
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; void fun4() { b && (C(), 1); }
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; __attribute__((always_inline)) C::~C() { }
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; CHECK: DW_TAG_structure_type
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "C"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: [[C_DTOR_DECL:.*]]: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "~C"
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; CHECK: [[D1_ABS:.*]]: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1CD1Ev"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: [[D1_THIS_ABS:.*]]: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "this"
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name {{.*}} "fun4"
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_abstract_origin {{.*}} {[[D1_ABS]]}
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; CHECK-NOT: {{DW_TAG|NULL}}
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; CHECK: DW_TAG_formal_parameter
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_abstract_origin {{.*}} {[[D1_THIS_ABS]]}
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; FIXME: D2 is actually inlined into D1 but doesn't show up here, possibly due
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; to there being no work in D2 (calling another member function from the dtor
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; causes D2 to show up, calling a free function doesn't).
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; CHECK-NOT: DW_TAG
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; CHECK: NULL
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; CHECK-NOT: DW_TAG
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; CHECK: NULL
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%struct.C = type { i8 }
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@b = external global i8
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; Function Attrs: nounwind
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define void @_Z4fun4v() #0 {
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entry:
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%this.addr.i.i = alloca %struct.C*, align 8, !dbg !21
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%this.addr.i = alloca %struct.C*, align 8, !dbg !22
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%agg.tmp.ensured = alloca %struct.C, align 1
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%cleanup.cond = alloca i1
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%0 = load i8* @b, align 1, !dbg !24
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%tobool = trunc i8 %0 to i1, !dbg !24
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store i1 false, i1* %cleanup.cond
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br i1 %tobool, label %land.rhs, label %land.end, !dbg !24
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land.rhs: ; preds = %entry
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store i1 true, i1* %cleanup.cond, !dbg !25
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br label %land.end
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land.end: ; preds = %land.rhs, %entry
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%1 = phi i1 [ false, %entry ], [ true, %land.rhs ]
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%cleanup.is_active = load i1* %cleanup.cond, !dbg !27
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br i1 %cleanup.is_active, label %cleanup.action, label %cleanup.done, !dbg !27
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cleanup.action: ; preds = %land.end
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store %struct.C* %agg.tmp.ensured, %struct.C** %this.addr.i, align 8, !dbg !22
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call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr.i}, metadata !29), !dbg !31
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%this1.i = load %struct.C** %this.addr.i, !dbg !22
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store %struct.C* %this1.i, %struct.C** %this.addr.i.i, align 8, !dbg !21
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call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr.i.i}, metadata !32), !dbg !33
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%this1.i.i = load %struct.C** %this.addr.i.i, !dbg !21
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br label %cleanup.done, !dbg !22
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cleanup.done: ; preds = %cleanup.action, %land.end
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ret void, !dbg !34
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}
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; Function Attrs: alwaysinline nounwind
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define void @_ZN1CD1Ev(%struct.C* %this) unnamed_addr #1 align 2 {
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entry:
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%this.addr.i = alloca %struct.C*, align 8, !dbg !37
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%this.addr = alloca %struct.C*, align 8
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store %struct.C* %this, %struct.C** %this.addr, align 8
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call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !29), !dbg !38
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%this1 = load %struct.C** %this.addr
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store %struct.C* %this1, %struct.C** %this.addr.i, align 8, !dbg !37
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call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr.i}, metadata !32), !dbg !39
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%this1.i = load %struct.C** %this.addr.i, !dbg !37
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ret void, !dbg !37
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}
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; Function Attrs: alwaysinline nounwind
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define void @_ZN1CD2Ev(%struct.C* %this) unnamed_addr #1 align 2 {
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entry:
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%this.addr = alloca %struct.C*, align 8
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store %struct.C* %this, %struct.C** %this.addr, align 8
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call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !32), !dbg !40
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%this1 = load %struct.C** %this.addr
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ret void, !dbg !41
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata) #2
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { alwaysinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "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 = !{!18, !19}
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!llvm.ident = !{!20}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !11, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/<stdin>] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"<stdin>", metadata !"/tmp/dbginfo"}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786451, metadata !5, null, metadata !"C", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 8, align 8, offset 0] [def] [from ]
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!5 = metadata !{metadata !"PR20038.cpp", metadata !"/tmp/dbginfo"}
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!6 = metadata !{metadata !7}
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!7 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"~C", metadata !"~C", metadata !"", i32 2, metadata !8, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 2} ; [ DW_TAG_subprogram ] [line 2] [~C]
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!8 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !9, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!9 = metadata !{null, metadata !10}
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!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C]
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!11 = metadata !{metadata !12, metadata !16, metadata !17}
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!12 = metadata !{i32 786478, metadata !5, metadata !13, metadata !"fun4", metadata !"fun4", metadata !"_Z4fun4v", i32 5, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4fun4v, null, null, metadata !2, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [fun4]
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!13 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/tmp/dbginfo/PR20038.cpp]
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!14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!15 = metadata !{null}
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!16 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"~C", metadata !"~C", metadata !"_ZN1CD2Ev", i32 6, metadata !8, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1CD2Ev, null, metadata !7, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~C]
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!17 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"~C", metadata !"~C", metadata !"_ZN1CD1Ev", i32 6, metadata !8, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1CD1Ev, null, metadata !7, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~C]
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!18 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!19 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
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!20 = metadata !{metadata !"clang version 3.5.0 "}
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!21 = metadata !{i32 6, i32 0, metadata !17, metadata !22}
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!22 = metadata !{i32 5, i32 0, metadata !23, null}
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!23 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 3, i32 3} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!24 = metadata !{i32 5, i32 0, metadata !12, null}
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!25 = metadata !{i32 5, i32 0, metadata !26, null}
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!26 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 1, i32 1} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!27 = metadata !{i32 5, i32 0, metadata !28, null}
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!28 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 2, i32 2} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!29 = metadata !{i32 786689, metadata !17, metadata !"this", null, i32 16777216, metadata !30, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!30 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
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!31 = metadata !{i32 0, i32 0, metadata !17, metadata !22}
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!32 = metadata !{i32 786689, metadata !16, metadata !"this", null, i32 16777216, metadata !30, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!33 = metadata !{i32 0, i32 0, metadata !16, metadata !21}
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!34 = metadata !{i32 5, i32 0, metadata !35, null}
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!35 = metadata !{i32 786443, metadata !5, metadata !36, i32 5, i32 0, i32 5, i32 5} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!36 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 4, i32 4} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!37 = metadata !{i32 6, i32 0, metadata !17, null}
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!38 = metadata !{i32 0, i32 0, metadata !17, null}
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!39 = metadata !{i32 0, i32 0, metadata !16, metadata !37}
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!40 = metadata !{i32 0, i32 0, metadata !16, null}
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!41 = metadata !{i32 6, i32 0, metadata !16, null}
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