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llvm-6502/test/DebugInfo/namespace.ll
Frederic Riss 60a8349a7d Allow DwarfCompileUnit::constructImportedEntityDIE to instanciate a GlobalVariable DIE. 
Usually global variables are in a retain list and instanciated before
any call to constructImportedEntityDIE is made. This isn't true for
forward declarations though.
The testcase for this change is generated by a clang patched to emit
such forward declarations (patch at http://reviews.llvm.org/D6173
which will land soon). The updated testcase tests more than just
global variables, it now tests every type of 'using' clause we
support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222217 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-18 02:46:11 +00:00

367 lines
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; REQUIRES: object-emission
; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
; RUN: llvm-dwarfdump %t | FileCheck %s
; CHECK: debug_info contents
; CHECK: [[NS1:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace
; CHECK-NEXT: DW_AT_name{{.*}} = "A"
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1:".*debug-info-namespace.cpp"]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(5)
; CHECK-NOT: NULL
; CHECK: [[NS2:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace
; CHECK-NEXT: DW_AT_name{{.*}} = "B"
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2:".*foo.cpp"]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(1)
; CHECK-NOT: NULL
; CHECK: [[I:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable
; CHECK-NEXT: DW_AT_name{{.*}}= "i"
; CHECK: [[VAR_FWD:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable
; CHECK-NEXT: DW_AT_name{{.*}}= "var_fwd"
; CHECK-NOT: NULL
; CHECK: [[FOO:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name{{.*}}= "foo"
; CHECK-NEXT: DW_AT_declaration
; CHECK-NOT: NULL
; CHECK: [[BAR:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name{{.*}}= "bar"
; CHECK: [[FUNC1:.*]]: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_MIPS_linkage_name
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "f1"
; CHECK: [[BAZ:0x[0-9a-f]*]]:{{.*}}DW_TAG_typedef
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "baz"
; CHECK: [[VAR_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_variable
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "var_decl"
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_declaration
; CHECK: [[FUNC_DECL:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "func_decl"
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_declaration
; CHECK: [[FUNC_FWD:0x[0-9a-f]*]]:{{.*}}DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "func_fwd"
; CHECK-NOT: DW_AT_declaration
; CHECK: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_MIPS_linkage_name
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "f1"
; CHECK: NULL
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_module
; This is a bug, it should be in F2 but it inherits the file from its
; enclosing scope
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(15)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS2]]})
; CHECK: NULL
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_module
; Same bug as above, this should be F2, not F1
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F1]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(18)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]})
; CHECK-NOT: NULL
; CHECK: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_MIPS_linkage_name
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}= "func"
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_module
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(26)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]})
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(27)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FOO]]})
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(28)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAR]]})
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(29)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC1]]})
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(30)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[I]]})
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(31)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAZ]]})
; CHECK-NOT: NULL
; CHECK: [[X:0x[0-9a-f]*]]:{{ *}}DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(32)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]})
; CHECK-NEXT: DW_AT_name{{.*}}"X"
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(33)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[X]]})
; CHECK-NEXT: DW_AT_name{{.*}}"Y"
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(34)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[VAR_DECL]]})
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(35)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC_DECL]]})
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(36)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[VAR_FWD]]})
; CHECK: DW_TAG_imported_declaration
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(37)
; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC_FWD]]})
; CHECK: DW_TAG_lexical_block
; CHECK-NOT: NULL
; CHECK: DW_TAG_imported_module
; CHECK-NEXT: DW_AT_decl_file{{.*}}([[F2]])
; CHECK-NEXT: DW_AT_decl_line{{.*}}(23)
; CHECK-NEXT: DW_AT_import{{.*}}=>
; CHECK: NULL
; CHECK: NULL
; CHECK: NULL
; IR generated from clang/test/CodeGenCXX/debug-info-namespace.cpp, file paths
; changed to protect the guilty. The C++ source code is:
; // RUN...
; // RUN...
; // RUN...
;
; namespace A {
; #line 1 "foo.cpp"
; namespace B {
; extern int i;
; int f1() { return 0; }
; void f1(int) { }
; struct foo;
; struct bar { };
; typedef bar baz;
; extern int var_decl;
; void func_decl(void);
; extern int var_fwd;
; void func_fwd(void);
; }
; }
; namespace A {
; using namespace B;
; }
;
; using namespace A;
; namespace E = A;
; int B::i = f1();
; int func(bool b) {
; if (b) {
; using namespace A::B;
; return i;
; }
; using namespace A;
; using B::foo;
; using B::bar;
; using B::f1;
; using B::i;
; using B::baz;
; namespace X = A;
; namespace Y = X;
; using B::var_decl;
; using B::func_decl;
; using B::var_fwd;
; using B::func_fwd;
; return i + X::B::i + Y::B::i;
; }
;
; namespace A {
; using B::i;
; namespace B {
; int var_fwd = i;
; }
; }
; void B::func_fwd() {}
@_ZN1A1B1iE = global i32 0, align 4
@_ZN1A1B7var_fwdE = global i32 0, align 4
@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, i8* null }]
; Function Attrs: nounwind ssp uwtable
define i32 @_ZN1A1B2f1Ev() #0 {
entry:
ret i32 0, !dbg !60
}
; Function Attrs: nounwind ssp uwtable
define void @_ZN1A1B2f1Ei(i32) #0 {
entry:
%.addr = alloca i32, align 4
store i32 %0, i32* %.addr, align 4
call void @llvm.dbg.declare(metadata !{i32* %.addr}, metadata !61, metadata !62), !dbg !63
ret void, !dbg !64
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" {
entry:
%call = call i32 @_ZN1A1B2f1Ev(), !dbg !65
store i32 %call, i32* @_ZN1A1B1iE, align 4, !dbg !65
ret void, !dbg !65
}
; Function Attrs: nounwind ssp uwtable
define i32 @_Z4funcb(i1 zeroext %b) #0 {
entry:
%retval = alloca i32, align 4
%b.addr = alloca i8, align 1
%frombool = zext i1 %b to i8
store i8 %frombool, i8* %b.addr, align 1
call void @llvm.dbg.declare(metadata !{i8* %b.addr}, metadata !66, metadata !62), !dbg !67
%0 = load i8* %b.addr, align 1, !dbg !68
%tobool = trunc i8 %0 to i1, !dbg !68
br i1 %tobool, label %if.then, label %if.end, !dbg !68
if.then: ; preds = %entry
%1 = load i32* @_ZN1A1B1iE, align 4, !dbg !69
store i32 %1, i32* %retval, !dbg !69
br label %return, !dbg !69
if.end: ; preds = %entry
%2 = load i32* @_ZN1A1B1iE, align 4, !dbg !70
%3 = load i32* @_ZN1A1B1iE, align 4, !dbg !70
%add = add nsw i32 %2, %3, !dbg !70
%4 = load i32* @_ZN1A1B1iE, align 4, !dbg !70
%add1 = add nsw i32 %add, %4, !dbg !70
store i32 %add1, i32* %retval, !dbg !70
br label %return, !dbg !70
return: ; preds = %if.end, %if.then
%5 = load i32* %retval, !dbg !71
ret i32 %5, !dbg !71
}
define internal void @__cxx_global_var_init1() section "__TEXT,__StaticInit,regular,pure_instructions" {
entry:
%0 = load i32* @_ZN1A1B1iE, align 4, !dbg !72
store i32 %0, i32* @_ZN1A1B7var_fwdE, align 4, !dbg !72
ret void, !dbg !72
}
; Function Attrs: nounwind ssp uwtable
define void @_ZN1A1B8func_fwdEv() #0 {
entry:
ret void, !dbg !73
}
define internal void @_GLOBAL__sub_I_debug_info_namespace.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" {
entry:
call void @__cxx_global_var_init(), !dbg !74
call void @__cxx_global_var_init1(), !dbg !74
ret void, !dbg !74
}
attributes #0 = { nounwind ssp 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" }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!57, !58}
!llvm.ident = !{!59}
!0 = metadata !{metadata !"0x11\004\00clang version 3.6.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !3, metadata !9, metadata !30, metadata !33} ; [ DW_TAG_compile_unit ] [/tmp/debug-info-namespace.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"debug-info-namespace.cpp", metadata !"/tmp"}
!2 = metadata !{}
!3 = metadata !{metadata !4, metadata !8}
!4 = metadata !{metadata !"0x13\00foo\005\000\000\000\004\000", metadata !5, metadata !6, null, null, null, null, metadata !"_ZTSN1A1B3fooE"} ; [ DW_TAG_structure_type ] [foo] [line 5, size 0, align 0, offset 0] [decl] [from ]
!5 = metadata !{metadata !"foo.cpp", metadata !"/tmp"}
!6 = metadata !{metadata !"0x39\00B\001", metadata !5, metadata !7} ; [ DW_TAG_namespace ] [B] [line 1]
!7 = metadata !{metadata !"0x39\00A\005", metadata !1, null} ; [ DW_TAG_namespace ] [A] [line 5]
!8 = metadata !{metadata !"0x13\00bar\006\008\008\000\000\000", metadata !5, metadata !6, null, metadata !2, null, null, metadata !"_ZTSN1A1B3barE"} ; [ DW_TAG_structure_type ] [bar] [line 6, size 8, align 8, offset 0] [def] [from ]
!9 = metadata !{metadata !10, metadata !14, metadata !17, metadata !21, metadata !25, metadata !26, metadata !27}
!10 = metadata !{metadata !"0x2e\00f1\00f1\00_ZN1A1B2f1Ev\003\000\001\000\000\00256\000\003", metadata !5, metadata !6, metadata !11, null, i32 ()* @_ZN1A1B2f1Ev, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [f1]
!11 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!12 = metadata !{metadata !13}
!13 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!14 = metadata !{metadata !"0x2e\00f1\00f1\00_ZN1A1B2f1Ei\004\000\001\000\000\00256\000\004", metadata !5, metadata !6, metadata !15, null, void (i32)* @_ZN1A1B2f1Ei, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 4] [def] [f1]
!15 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!16 = metadata !{null, metadata !13}
!17 = metadata !{metadata !"0x2e\00__cxx_global_var_init\00__cxx_global_var_init\00\0020\001\001\000\000\00256\000\0020", metadata !5, metadata !18, metadata !19, null, void ()* @__cxx_global_var_init, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 20] [local] [def] [__cxx_global_var_init]
!18 = metadata !{metadata !"0x29", metadata !5} ; [ DW_TAG_file_type ] [/tmp/foo.cpp]
!19 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !20, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!20 = metadata !{null}
!21 = metadata !{metadata !"0x2e\00func\00func\00_Z4funcb\0021\000\001\000\000\00256\000\0021", metadata !5, metadata !18, metadata !22, null, i32 (i1)* @_Z4funcb, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 21] [def] [func]
!22 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !23, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!23 = metadata !{metadata !13, metadata !24}
!24 = metadata !{metadata !"0x24\00bool\000\008\008\000\000\002", null, null} ; [ DW_TAG_base_type ] [bool] [line 0, size 8, align 8, offset 0, enc DW_ATE_boolean]
!25 = metadata !{metadata !"0x2e\00__cxx_global_var_init1\00__cxx_global_var_init1\00\0044\001\001\000\000\00256\000\0044", metadata !5, metadata !18, metadata !19, null, void ()* @__cxx_global_var_init1, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 44] [local] [def] [__cxx_global_var_init1]
!26 = metadata !{metadata !"0x2e\00func_fwd\00func_fwd\00_ZN1A1B8func_fwdEv\0047\000\001\000\000\00256\000\0047", metadata !5, metadata !6, metadata !19, null, void ()* @_ZN1A1B8func_fwdEv, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 47] [def] [func_fwd]
!27 = metadata !{metadata !"0x2e\00\00\00_GLOBAL__sub_I_debug_info_namespace.cpp\000\001\001\000\000\0064\000\000", metadata !1, metadata !28, metadata !29, null, void ()* @_GLOBAL__sub_I_debug_info_namespace.cpp, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 0] [local] [def]
!28 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/tmp/debug-info-namespace.cpp]
!29 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!30 = metadata !{metadata !31, metadata !32}
!31 = metadata !{metadata !"0x34\00i\00i\00_ZN1A1B1iE\0020\000\001", metadata !6, metadata !18, metadata !13, i32* @_ZN1A1B1iE, null} ; [ DW_TAG_variable ] [i] [line 20] [def]
!32 = metadata !{metadata !"0x34\00var_fwd\00var_fwd\00_ZN1A1B7var_fwdE\0044\000\001", metadata !6, metadata !18, metadata !13, i32* @_ZN1A1B7var_fwdE, null} ; [ DW_TAG_variable ] [var_fwd] [line 44] [def]
!33 = metadata !{metadata !34, metadata !35, metadata !36, metadata !37, metadata !40, metadata !41, metadata !42, metadata !43, metadata !44, metadata !45, metadata !47, metadata !48, metadata !49, metadata !51, metadata !54, metadata !55, metadata !56}
!34 = metadata !{metadata !"0x3a\0015\00", metadata !7, metadata !6} ; [ DW_TAG_imported_module ]
!35 = metadata !{metadata !"0x3a\0018\00", metadata !0, metadata !7} ; [ DW_TAG_imported_module ]
!36 = metadata !{metadata !"0x8\0019\00E", metadata !0, metadata !7} ; [ DW_TAG_imported_declaration ]
!37 = metadata !{metadata !"0x3a\0023\00", metadata !38, metadata !6} ; [ DW_TAG_imported_module ]
!38 = metadata !{metadata !"0xb\0022\0010\001", metadata !5, metadata !39} ; [ DW_TAG_lexical_block ] [/tmp/foo.cpp]
!39 = metadata !{metadata !"0xb\0022\007\000", metadata !5, metadata !21} ; [ DW_TAG_lexical_block ] [/tmp/foo.cpp]
!40 = metadata !{metadata !"0x3a\0026\00", metadata !21, metadata !7} ; [ DW_TAG_imported_module ]
!41 = metadata !{metadata !"0x8\0027\00", metadata !21, metadata !"_ZTSN1A1B3fooE"} ; [ DW_TAG_imported_declaration ]
!42 = metadata !{metadata !"0x8\0028\00", metadata !21, metadata !"_ZTSN1A1B3barE"} ; [ DW_TAG_imported_declaration ]
!43 = metadata !{metadata !"0x8\0029\00", metadata !21, metadata !14} ; [ DW_TAG_imported_declaration ]
!44 = metadata !{metadata !"0x8\0030\00", metadata !21, metadata !31} ; [ DW_TAG_imported_declaration ]
!45 = metadata !{metadata !"0x8\0031\00", metadata !21, metadata !46} ; [ DW_TAG_imported_declaration ]
!46 = metadata !{metadata !"0x16\00baz\007\000\000\000\000", metadata !5, metadata !6, metadata !"_ZTSN1A1B3barE"} ; [ DW_TAG_typedef ] [baz] [line 7, size 0, align 0, offset 0] [from _ZTSN1A1B3barE]
!47 = metadata !{metadata !"0x8\0032\00X", metadata !21, metadata !7} ; [ DW_TAG_imported_declaration ]
!48 = metadata !{metadata !"0x8\0033\00Y", metadata !21, metadata !47} ; [ DW_TAG_imported_declaration ]
!49 = metadata !{metadata !"0x8\0034\00", metadata !21, metadata !50} ; [ DW_TAG_imported_declaration ]
!50 = metadata !{metadata !"0x34\00var_decl\00var_decl\00_ZN1A1B8var_declE\008\000\000", metadata !6, metadata !18, metadata !13, null, null} ; [ DW_TAG_variable ] [var_decl] [line 8]
!51 = metadata !{metadata !"0x8\0035\00", metadata !21, metadata !52} ; [ DW_TAG_imported_declaration ]
!52 = metadata !{metadata !"0x2e\00func_decl\00func_decl\00_ZN1A1B9func_declEv\009\000\000\000\000\00256\000\000", metadata !5, metadata !6, metadata !19, null, null, null, null, metadata !53} ; [ DW_TAG_subprogram ] [line 9] [scope 0] [func_decl]
!53 = metadata !{metadata !"0x24"}
!54 = metadata !{metadata !"0x8\0036\00", metadata !21, metadata !32} ; [ DW_TAG_imported_declaration ]
!55 = metadata !{metadata !"0x8\0037\00", metadata !21, metadata !26} ; [ DW_TAG_imported_declaration ]
!56 = metadata !{metadata !"0x8\0042\00", metadata !7, metadata !31} ; [ DW_TAG_imported_declaration ]
!57 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
!58 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
!59 = metadata !{metadata !"clang version 3.6.0 "}
!60 = metadata !{i32 3, i32 12, metadata !10, null}
!61 = metadata !{metadata !"0x101\00\0016777220\000", metadata !14, metadata !18, metadata !13} ; [ DW_TAG_arg_variable ] [line 4]
!62 = metadata !{metadata !"0x102"} ; [ DW_TAG_expression ]
!63 = metadata !{i32 4, i32 12, metadata !14, null}
!64 = metadata !{i32 4, i32 16, metadata !14, null}
!65 = metadata !{i32 20, i32 12, metadata !17, null}
!66 = metadata !{metadata !"0x101\00b\0016777237\000", metadata !21, metadata !18, metadata !24} ; [ DW_TAG_arg_variable ] [b] [line 21]
!67 = metadata !{i32 21, i32 15, metadata !21, null}
!68 = metadata !{i32 22, i32 7, metadata !21, null}
!69 = metadata !{i32 24, i32 5, metadata !38, null}
!70 = metadata !{i32 38, i32 3, metadata !21, null}
!71 = metadata !{i32 39, i32 1, metadata !21, null}
!72 = metadata !{i32 44, i32 15, metadata !25, null}
!73 = metadata !{i32 47, i32 21, metadata !26, null}
!74 = metadata !{i32 0, i32 0, metadata !75, null}
!75 = metadata !{metadata !"0xb\000", metadata !5, metadata !27} ; [ DW_TAG_lexical_block ] [/tmp/foo.cpp]
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