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1ef70ff39b
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224257 91177308-0d34-0410-b5e6-96231b3b80d8
145 lines
8.6 KiB
LLVM
145 lines
8.6 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc -mtriple x86_64-pc-linux -O0 -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; Testcase from:
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; struct base {
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; virtual ~base();
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; };
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; struct foo {
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; base b;
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; };
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; foo f;
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; Where member b should be seen as a field at an offset and not a bitfield.
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; CHECK: DW_TAG_member
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; CHECK: DW_AT_name{{.*}}"b"
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; CHECK-NOT: DW_AT_bit_offset
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%struct.foo = type { %struct.base }
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%struct.base = type { i32 (...)** }
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@f = global %struct.foo zeroinitializer, align 8
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@__dso_handle = external global i8
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@_ZTV4base = external unnamed_addr constant [4 x i8*]
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
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define internal void @__cxx_global_var_init() section ".text.startup" {
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entry:
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call void @_ZN3fooC2Ev(%struct.foo* @f) #2, !dbg !35
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%0 = call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.foo*)* @_ZN3fooD2Ev to void (i8*)*), i8* bitcast (%struct.foo* @f to i8*), i8* @__dso_handle) #2, !dbg !35
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ret void, !dbg !35
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}
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; Function Attrs: inlinehint nounwind uwtable
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define linkonce_odr void @_ZN3fooC2Ev(%struct.foo* %this) unnamed_addr #0 align 2 {
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entry:
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%this.addr = alloca %struct.foo*, align 8
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store %struct.foo* %this, %struct.foo** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.foo** %this.addr, metadata !36, metadata !{!"0x102"}), !dbg !38
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%this1 = load %struct.foo** %this.addr
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%b = getelementptr inbounds %struct.foo* %this1, i32 0, i32 0, !dbg !39
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call void @_ZN4baseC2Ev(%struct.base* %b) #2, !dbg !39
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ret void, !dbg !39
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}
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; Function Attrs: inlinehint uwtable
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define linkonce_odr void @_ZN3fooD2Ev(%struct.foo* %this) unnamed_addr #1 align 2 {
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entry:
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%this.addr = alloca %struct.foo*, align 8
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store %struct.foo* %this, %struct.foo** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.foo** %this.addr, metadata !40, metadata !{!"0x102"}), !dbg !41
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%this1 = load %struct.foo** %this.addr
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%b = getelementptr inbounds %struct.foo* %this1, i32 0, i32 0, !dbg !42
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call void @_ZN4baseD1Ev(%struct.base* %b), !dbg !42
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ret void, !dbg !44
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}
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; Function Attrs: nounwind
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declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) #2
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #3
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declare void @_ZN4baseD1Ev(%struct.base*) #4
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; Function Attrs: inlinehint nounwind uwtable
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define linkonce_odr void @_ZN4baseC2Ev(%struct.base* %this) unnamed_addr #0 align 2 {
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entry:
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%this.addr = alloca %struct.base*, align 8
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store %struct.base* %this, %struct.base** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %struct.base** %this.addr, metadata !45, metadata !{!"0x102"}), !dbg !47
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%this1 = load %struct.base** %this.addr
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%0 = bitcast %struct.base* %this1 to i8***, !dbg !48
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store i8** getelementptr inbounds ([4 x i8*]* @_ZTV4base, i64 0, i64 2), i8*** %0, !dbg !48
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ret void, !dbg !48
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}
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define internal void @_GLOBAL__I_a() section ".text.startup" {
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entry:
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call void @__cxx_global_var_init(), !dbg !49
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ret void, !dbg !49
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}
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attributes #0 = { inlinehint 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 #1 = { inlinehint 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 }
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attributes #3 = { nounwind readnone }
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attributes #4 = { "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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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!32, !33}
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!llvm.ident = !{!34}
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!0 = !{!"0x11\004\00clang version 3.5.0 (trunk 203673) (llvm/trunk 203681)\000\00\000\00\001", !1, !2, !3, !8, !30, !2} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/foo.cc] [DW_LANG_C_plus_plus]
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!1 = !{!"foo.cc", !"/usr/local/google/home/echristo"}
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!2 = !{}
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!3 = !{!4, !7}
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!4 = !{!"0x13\00foo\005\0064\0064\000\000\000", !1, null, null, !5, null, null, !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 5, size 64, align 64, offset 0] [def] [from ]
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!5 = !{!6}
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!6 = !{!"0xd\00b\006\0064\0064\000\000", !1, !"_ZTS3foo", !"_ZTS4base"} ; [ DW_TAG_member ] [b] [line 6, size 64, align 64, offset 0] [from _ZTS4base]
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!7 = !{!"0x13\00base\001\000\000\000\004\000", !1, null, null, null, null, null, !"_ZTS4base"} ; [ DW_TAG_structure_type ] [base] [line 1, size 0, align 0, offset 0] [decl] [from ]
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!8 = !{!9, !13, !19, !22, !28}
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!9 = !{!"0x2e\00__cxx_global_var_init\00__cxx_global_var_init\00\009\001\001\000\006\00256\000\009", !1, !10, !11, null, void ()* @__cxx_global_var_init, null, null, !2} ; [ DW_TAG_subprogram ] [line 9] [local] [def] [__cxx_global_var_init]
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!10 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/foo.cc]
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!11 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!12 = !{null}
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!13 = !{!"0x2e\00~foo\00~foo\00_ZN3fooD2Ev\005\000\001\000\006\00320\000\005", !1, !"_ZTS3foo", !14, null, void (%struct.foo*)* @_ZN3fooD2Ev, null, !17, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [~foo]
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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, !16}
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!16 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS3foo"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS3foo]
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!17 = !{!"0x2e\00~foo\00~foo\00\000\000\000\000\006\00320\000\000", null, !"_ZTS3foo", !14, null, null, null, i32 0, !18} ; [ DW_TAG_subprogram ] [line 0] [~foo]
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!18 = !{i32 786468}
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!19 = !{!"0x2e\00foo\00foo\00_ZN3fooC2Ev\005\000\001\000\006\00320\000\005", !1, !"_ZTS3foo", !14, null, void (%struct.foo*)* @_ZN3fooC2Ev, null, !20, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [foo]
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!20 = !{!"0x2e\00foo\00foo\00\000\000\000\000\006\00320\000\000", null, !"_ZTS3foo", !14, null, null, null, i32 0, !21} ; [ DW_TAG_subprogram ] [line 0] [foo]
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!21 = !{i32 786468}
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!22 = !{!"0x2e\00base\00base\00_ZN4baseC2Ev\001\000\001\000\006\00320\000\001", !1, !"_ZTS4base", !23, null, void (%struct.base*)* @_ZN4baseC2Ev, null, !26, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [base]
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!23 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !24, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!24 = !{null, !25}
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!25 = !{!"0xf\00\000\0064\0064\000\001088", null, null, !"_ZTS4base"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS4base]
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!26 = !{!"0x2e\00base\00base\00\000\000\000\000\006\00320\000\000", null, !"_ZTS4base", !23, null, null, null, i32 0, !27} ; [ DW_TAG_subprogram ] [line 0] [base]
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!27 = !{i32 786468}
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!28 = !{!"0x2e\00\00\00_GLOBAL__I_a\001\001\001\000\006\0064\000\001", !1, !10, !29, null, void ()* @_GLOBAL__I_a, null, null, !2} ; [ DW_TAG_subprogram ] [line 1] [local] [def]
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!29 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!30 = !{!31}
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!31 = !{!"0x34\00f\00f\00\009\000\001", null, !10, !4, %struct.foo* @f, null} ; [ DW_TAG_variable ] [f] [line 9] [def]
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!32 = !{i32 2, !"Dwarf Version", i32 4}
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!33 = !{i32 1, !"Debug Info Version", i32 2}
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!34 = !{!"clang version 3.5.0 (trunk 203673) (llvm/trunk 203681)"}
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!35 = !{i32 9, i32 0, !9, null}
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!36 = !{!"0x101\00this\0016777216\001088", !19, null, !37} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!37 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS3foo"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS3foo]
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!38 = !{i32 0, i32 0, !19, null}
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!39 = !{i32 5, i32 0, !19, null}
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!40 = !{!"0x101\00this\0016777216\001088", !13, null, !37} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!41 = !{i32 0, i32 0, !13, null}
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!42 = !{i32 5, i32 0, !43, null}
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!43 = !{!"0xb\005\000\000", !1, !13} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/foo.cc]
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!44 = !{i32 5, i32 0, !13, null}
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!45 = !{!"0x101\00this\0016777216\001088", !22, null, !46} ; [ DW_TAG_arg_variable ] [this] [line 0]
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!46 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS4base"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS4base]
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!47 = !{i32 0, i32 0, !22, null}
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!48 = !{i32 1, i32 0, !22, null}
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!49 = !{i32 1, i32 0, !28, null}
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