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9c5542c040
Now that `Metadata` is typeless, reflect that in the assembly. These
are the matching assembly changes for the metadata/value split in
r223802.
- Only use the `metadata` type when referencing metadata from a call
intrinsic -- i.e., only when it's used as a `Value`.
- Stop pretending that `ValueAsMetadata` is wrapped in an `MDNode`
when referencing it from call intrinsics.
So, assembly like this:
define @foo(i32 %v) {
call void @llvm.foo(metadata !{i32 %v}, metadata !0)
call void @llvm.foo(metadata !{i32 7}, metadata !0)
call void @llvm.foo(metadata !1, metadata !0)
call void @llvm.foo(metadata !3, metadata !0)
call void @llvm.foo(metadata !{metadata !3}, metadata !0)
ret void, !bar !2
}
!0 = metadata !{metadata !2}
!1 = metadata !{i32* @global}
!2 = metadata !{metadata !3}
!3 = metadata !{}
turns into this:
define @foo(i32 %v) {
call void @llvm.foo(metadata i32 %v, metadata !0)
call void @llvm.foo(metadata i32 7, metadata !0)
call void @llvm.foo(metadata i32* @global, metadata !0)
call void @llvm.foo(metadata !3, metadata !0)
call void @llvm.foo(metadata !{!3}, metadata !0)
ret void, !bar !2
}
!0 = !{!2}
!1 = !{i32* @global}
!2 = !{!3}
!3 = !{}
I wrote an upgrade script that handled almost all of the tests in llvm
and many of the tests in cfe (even handling many `CHECK` lines). I've
attached it (or will attach it in a moment if you're speedy) to PR21532
to help everyone update their out-of-tree testcases.
This is part of PR21532.
llvm-svn: 224257
165 lines
7.6 KiB
LLVM
165 lines
7.6 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: 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: 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: 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 {{.*}} "_ZN1CD1Ev"
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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 {{.*}} "this"
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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, metadata !{!"0x102"}), !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, metadata !{!"0x102"}), !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, metadata !{!"0x102"}), !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, metadata !{!"0x102"}), !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, metadata !{!"0x102"}), !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, 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 = !{!"0x11\004\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !3, !11, !2, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/<stdin>] [DW_LANG_C_plus_plus]
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!1 = !{!"<stdin>", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x13\00C\001\008\008\000\000\000", !5, null, null, !6, null, null, !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 8, align 8, offset 0] [def] [from ]
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!5 = !{!"PR20038.cpp", !"/tmp/dbginfo"}
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!6 = !{!7}
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!7 = !{!"0x2e\00~C\00~C\00\002\000\000\000\006\00256\000\002", !5, !"_ZTS1C", !8, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ] [line 2] [~C]
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!8 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !9, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!9 = !{null, !10}
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!10 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C]
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!11 = !{!12, !16, !17}
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!12 = !{!"0x2e\00fun4\00fun4\00_Z4fun4v\005\000\001\000\006\00256\000\005", !5, !13, !14, null, void ()* @_Z4fun4v, null, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [fun4]
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!13 = !{!"0x29", !5} ; [ DW_TAG_file_type ] [/tmp/dbginfo/PR20038.cpp]
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!14 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!15 = !{null}
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!16 = !{!"0x2e\00~C\00~C\00_ZN1CD2Ev\006\000\001\000\006\00256\000\006", !5, !"_ZTS1C", !8, null, void (%struct.C*)* @_ZN1CD2Ev, null, !7, !2} ; [ DW_TAG_subprogram ] [line 6] [def] [~C]
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!17 = !{!"0x2e\00~C\00~C\00_ZN1CD1Ev\006\000\001\000\006\00256\000\006", !5, !"_ZTS1C", !8, null, void (%struct.C*)* @_ZN1CD1Ev, null, !7, !2} ; [ DW_TAG_subprogram ] [line 6] [def] [~C]
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!18 = !{i32 2, !"Dwarf Version", i32 4}
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!19 = !{i32 2, !"Debug Info Version", i32 2}
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!20 = !{!"clang version 3.5.0 "}
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!21 = !{i32 6, i32 0, !17, !22}
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!22 = !{i32 5, i32 0, !23, null}
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!23 = !{!"0xb\005\000\003", !5, !12} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!24 = !{i32 5, i32 0, !12, null}
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!25 = !{i32 5, i32 0, !26, null}
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!26 = !{!"0xb\005\000\001", !5, !12} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!27 = !{i32 5, i32 0, !28, null}
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!28 = !{!"0xb\005\000\002", !5, !12} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!29 = !{!"0x101\00this\0016777216\001088", !17, null, !30} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!30 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
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!31 = !{i32 0, i32 0, !17, !22}
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!32 = !{!"0x101\00this\0016777216\001088", !16, null, !30} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!33 = !{i32 0, i32 0, !16, !21}
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!34 = !{i32 5, i32 0, !35, null}
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!35 = !{!"0xb\005\000\005", !5, !36} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!36 = !{!"0xb\005\000\004", !5, !12} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
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!37 = !{i32 6, i32 0, !17, null}
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!38 = !{i32 0, i32 0, !17, null}
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!39 = !{i32 0, i32 0, !16, !37}
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!40 = !{i32 0, i32 0, !16, null}
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!41 = !{i32 6, i32 0, !16, null}
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