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llvm-6502/test/DebugInfo/X86/recursive_inlining.ll

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DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
; REQUIRES: object-emission
Fix llvm/test/DebugInfo/X86/recursive_inlining.ll to use %llc_dwarf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215181 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-08 02:24:05 +00:00
; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
; This isn't a very pretty test case - I imagine there might be other ways to
; tickle the optimizers into producing the desired code, but I haven't found
; them.
; The issue is when a function is inlined into itself, the inlined argument
; accidentally overwrote the concrete argument and was lost.
; IR generated from the following source compiled with clang -g:
; void fn1(void *);
; void fn2(int, int, int, int);
; void fn3();
; void fn8();
; struct C {
; int b;
; void m_fn2() {
; fn8();
; if (b) fn2(0, 0, 0, 0);
; fn3();
; }
; };
; C *x;
; inline void fn7() {}
; void fn6() {
; fn8();
; x->m_fn2();
; fn7();
; }
; void fn3() { fn6(); }
; void fn4() { x->m_fn2(); }
; void fn5() { x->m_fn2(); }
; The definition of C and declaration of C::m_fn2
; CHECK: DW_TAG_structure_type
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_member
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: [[M_FN2_DECL:.*]]: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "m_fn2"
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: [[M_FN2_THIS_DECL:.*]]: DW_TAG_formal_parameter
; The abstract definition of C::m_fn2
; CHECK: [[M_FN2_ABS_DEF:.*]]: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_specification {{.*}} {[[M_FN2_DECL]]}
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_inline
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: [[M_FN2_THIS_ABS_DEF:.*]]: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name {{.*}} "this"
; Skip some other functions
; CHECK: DW_TAG_subprogram
; CHECK: DW_TAG_subprogram
; CHECK: DW_TAG_subprogram
; The concrete definition of C::m_fn2
; CHECK: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_abstract_origin {{.*}} {[[M_FN2_ABS_DEF]]}
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_abstract_origin {{.*}} {[[M_FN2_THIS_ABS_DEF]]}
; CHECK-NOT: {{DW_TAG|NULL}}
; Inlined fn3:
; CHECK: DW_TAG_inlined_subroutine
; CHECK-NOT: {{DW_TAG|NULL}}
; Inlined fn6:
; CHECK: DW_TAG_inlined_subroutine
; CHECK-NOT: {{DW_TAG|NULL}}
; Inlined C::m_fn2:
; CHECK: DW_TAG_inlined_subroutine
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_abstract_origin {{.*}} {[[M_FN2_ABS_DEF]]}
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_abstract_origin {{.*}} {[[M_FN2_THIS_ABS_DEF]]}
%struct.C = type { i32 }
@x = global %struct.C* null, align 8
; Function Attrs: nounwind
define void @_Z3fn6v() #0 {
entry:
tail call void @_Z3fn8v() #3, !dbg !31
%0 = load %struct.C** @x, align 8, !dbg !32, !tbaa !33
Revert r218778 while investigating buldbot breakage. "Move the complex address expression out of DIVariable and into an extra" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218782 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-01 18:10:54 +00:00
tail call void @llvm.dbg.value(metadata !{%struct.C* %0}, i64 0, metadata !37) #3, !dbg !38
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
tail call void @_Z3fn8v() #3, !dbg !39
%b.i = getelementptr inbounds %struct.C* %0, i64 0, i32 0, !dbg !40
%1 = load i32* %b.i, align 4, !dbg !40, !tbaa !42
%tobool.i = icmp eq i32 %1, 0, !dbg !40
br i1 %tobool.i, label %_ZN1C5m_fn2Ev.exit, label %if.then.i, !dbg !40
if.then.i: ; preds = %entry
tail call void @_Z3fn2iiii(i32 0, i32 0, i32 0, i32 0) #3, !dbg !45
br label %_ZN1C5m_fn2Ev.exit, !dbg !45
_ZN1C5m_fn2Ev.exit: ; preds = %entry, %if.then.i
tail call void @_Z3fn3v() #3, !dbg !47
ret void, !dbg !48
}
declare void @_Z3fn8v() #1
; Function Attrs: nounwind
define linkonce_odr void @_ZN1C5m_fn2Ev(%struct.C* nocapture readonly %this) #0 align 2 {
entry:
Revert r218778 while investigating buldbot breakage. "Move the complex address expression out of DIVariable and into an extra" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218782 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-01 18:10:54 +00:00
tail call void @llvm.dbg.value(metadata !{%struct.C* %this}, i64 0, metadata !24), !dbg !49
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
tail call void @_Z3fn8v() #3, !dbg !50
%b = getelementptr inbounds %struct.C* %this, i64 0, i32 0, !dbg !51
%0 = load i32* %b, align 4, !dbg !51, !tbaa !42
%tobool = icmp eq i32 %0, 0, !dbg !51
br i1 %tobool, label %if.end, label %if.then, !dbg !51
if.then: ; preds = %entry
tail call void @_Z3fn2iiii(i32 0, i32 0, i32 0, i32 0) #3, !dbg !52
br label %if.end, !dbg !52
if.end: ; preds = %entry, %if.then
tail call void @_Z3fn8v() #3, !dbg !53
%1 = load %struct.C** @x, align 8, !dbg !56, !tbaa !33
Revert r218778 while investigating buldbot breakage. "Move the complex address expression out of DIVariable and into an extra" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218782 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-01 18:10:54 +00:00
tail call void @llvm.dbg.value(metadata !{%struct.C* %1}, i64 0, metadata !57) #3, !dbg !58
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
tail call void @_Z3fn8v() #3, !dbg !59
%b.i.i = getelementptr inbounds %struct.C* %1, i64 0, i32 0, !dbg !60
%2 = load i32* %b.i.i, align 4, !dbg !60, !tbaa !42
%tobool.i.i = icmp eq i32 %2, 0, !dbg !60
br i1 %tobool.i.i, label %_Z3fn6v.exit, label %if.then.i.i, !dbg !60
if.then.i.i: ; preds = %if.end
tail call void @_Z3fn2iiii(i32 0, i32 0, i32 0, i32 0) #3, !dbg !61
br label %_Z3fn6v.exit, !dbg !61
_Z3fn6v.exit: ; preds = %if.end, %if.then.i.i
tail call void @_Z3fn3v() #3, !dbg !62
ret void, !dbg !63
}
; Function Attrs: nounwind
define void @_Z3fn3v() #0 {
entry:
br label %tailrecurse
tailrecurse: ; preds = %tailrecurse.backedge, %entry
tail call void @_Z3fn8v() #3, !dbg !64
%0 = load %struct.C** @x, align 8, !dbg !66, !tbaa !33
Revert r218778 while investigating buldbot breakage. "Move the complex address expression out of DIVariable and into an extra" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218782 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-01 18:10:54 +00:00
tail call void @llvm.dbg.value(metadata !{%struct.C* %0}, i64 0, metadata !67) #3, !dbg !68
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
tail call void @_Z3fn8v() #3, !dbg !69
%b.i.i = getelementptr inbounds %struct.C* %0, i64 0, i32 0, !dbg !70
%1 = load i32* %b.i.i, align 4, !dbg !70, !tbaa !42
%tobool.i.i = icmp eq i32 %1, 0, !dbg !70
br i1 %tobool.i.i, label %tailrecurse.backedge, label %if.then.i.i, !dbg !70
tailrecurse.backedge: ; preds = %tailrecurse, %if.then.i.i
br label %tailrecurse
if.then.i.i: ; preds = %tailrecurse
tail call void @_Z3fn2iiii(i32 0, i32 0, i32 0, i32 0) #3, !dbg !71
br label %tailrecurse.backedge, !dbg !71
}
; Function Attrs: nounwind
define void @_Z3fn4v() #0 {
entry:
%0 = load %struct.C** @x, align 8, !dbg !72, !tbaa !33
tail call void @_ZN1C5m_fn2Ev(%struct.C* %0), !dbg !72
ret void, !dbg !72
}
; Function Attrs: nounwind
define void @_Z3fn5v() #0 {
entry:
%0 = load %struct.C** @x, align 8, !dbg !73, !tbaa !33
tail call void @_ZN1C5m_fn2Ev(%struct.C* %0), !dbg !73
ret void, !dbg !73
}
declare void @_Z3fn2iiii(i32, i32, i32, i32) #1
; Function Attrs: nounwind readnone
Revert r218778 while investigating buldbot breakage. "Move the complex address expression out of DIVariable and into an extra" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218782 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-01 18:10:54 +00:00
declare void @llvm.dbg.value(metadata, i64, metadata) #2
DebugInfo: Fix overwriting/loss of inlined arguments to recursively inlined functions. Due to an unnecessary special case, inlined arguments that happened to be from the same function as they were inlined into were misclassified as non-inline arguments and would overwrite the non-inlined arguments. Assert that we never overwrite a function's arguments, and stop misclassifying inlined arguments as non-inline arguments to fix this issue. Excuse the rather crappy test case - handcrafted IR might do better, or someone who understands better how to tickle the inliner to create a recursive inlining situation like this (though it may also be necessary to tickle the variable in a particular way to cause it to be recorded in the MMI side table and go down this particular path for location information). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215157 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-07 22:22:49 +00:00
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" }
attributes #1 = { "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" }
attributes #2 = { nounwind readnone }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!28, !29}
!llvm.ident = !{!30}
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.6.0 ", i1 true, metadata !"", i32 0, metadata !2, metadata !3, metadata !13, metadata !26, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/missing_concrete_variable_on_darwin/reduce/<stdin>] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"<stdin>", metadata !"/usr/local/google/home/blaikie/dev/scratch/missing_concrete_variable_on_darwin/reduce"}
!2 = metadata !{}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786451, metadata !5, null, metadata !"C", i32 5, i64 32, i64 32, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 5, size 32, align 32, offset 0] [def] [from ]
!5 = metadata !{metadata !"recursive_inlining.cpp", metadata !"/usr/local/google/home/blaikie/dev/scratch/missing_concrete_variable_on_darwin/reduce"}
!6 = metadata !{metadata !7, metadata !9}
!7 = metadata !{i32 786445, metadata !5, metadata !"_ZTS1C", metadata !"b", i32 6, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [b] [line 6, size 32, align 32, offset 0] [from int]
!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!9 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"m_fn2", metadata !"m_fn2", metadata !"_ZN1C5m_fn2Ev", i32 7, metadata !10, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 true, null, null, i32 0, null, i32 7} ; [ DW_TAG_subprogram ] [line 7] [m_fn2]
!10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!11 = metadata !{null, metadata !12}
!12 = 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]
!13 = metadata !{metadata !14, metadata !18, metadata !19, metadata !20, metadata !21, metadata !22}
!14 = metadata !{i32 786478, metadata !5, metadata !15, metadata !"fn6", metadata !"fn6", metadata !"_Z3fn6v", i32 15, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @_Z3fn6v, null, null, metadata !2, i32 15} ; [ DW_TAG_subprogram ] [line 15] [def] [fn6]
!15 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/missing_concrete_variable_on_darwin/reduce/recursive_inlining.cpp]
!16 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!17 = metadata !{null}
!18 = metadata !{i32 786478, metadata !5, metadata !15, metadata !"fn3", metadata !"fn3", metadata !"_Z3fn3v", i32 20, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @_Z3fn3v, null, null, metadata !2, i32 20} ; [ DW_TAG_subprogram ] [line 20] [def] [fn3]
!19 = metadata !{i32 786478, metadata !5, metadata !15, metadata !"fn4", metadata !"fn4", metadata !"_Z3fn4v", i32 21, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @_Z3fn4v, null, null, metadata !2, i32 21} ; [ DW_TAG_subprogram ] [line 21] [def] [fn4]
!20 = metadata !{i32 786478, metadata !5, metadata !15, metadata !"fn5", metadata !"fn5", metadata !"_Z3fn5v", i32 22, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void ()* @_Z3fn5v, null, null, metadata !2, i32 22} ; [ DW_TAG_subprogram ] [line 22] [def] [fn5]
!21 = metadata !{i32 786478, metadata !5, metadata !15, metadata !"fn7", metadata !"fn7", metadata !"_Z3fn7v", i32 14, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, null, null, null, metadata !2, i32 14} ; [ DW_TAG_subprogram ] [line 14] [def] [fn7]
!22 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"m_fn2", metadata !"m_fn2", metadata !"_ZN1C5m_fn2Ev", i32 7, metadata !10, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (%struct.C*)* @_ZN1C5m_fn2Ev, null, metadata !9, metadata !23, i32 7} ; [ DW_TAG_subprogram ] [line 7] [def] [m_fn2]
!23 = metadata !{metadata !24}
!24 = metadata !{i32 786689, metadata !22, metadata !"this", null, i32 16777216, metadata !25, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
!25 = 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]
!26 = metadata !{metadata !27}
!27 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !15, i32 13, metadata !25, i32 0, i32 1, %struct.C** @x, null} ; [ DW_TAG_variable ] [x] [line 13] [def]
!28 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
!29 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
!30 = metadata !{metadata !"clang version 3.6.0 "}
!31 = metadata !{i32 16, i32 0, metadata !14, null}
!32 = metadata !{i32 17, i32 0, metadata !14, null}
!33 = metadata !{metadata !34, metadata !34, i64 0}
!34 = metadata !{metadata !"any pointer", metadata !35, i64 0}
!35 = metadata !{metadata !"omnipotent char", metadata !36, i64 0}
!36 = metadata !{metadata !"Simple C/C++ TBAA"}
!37 = metadata !{i32 786689, metadata !22, metadata !"this", null, i32 16777216, metadata !25, i32 1088, metadata !32} ; [ DW_TAG_arg_variable ] [this] [line 0]
!38 = metadata !{i32 0, i32 0, metadata !22, metadata !32}
!39 = metadata !{i32 8, i32 0, metadata !22, metadata !32} ; [ DW_TAG_imported_declaration ]
!40 = metadata !{i32 9, i32 0, metadata !41, metadata !32}
!41 = metadata !{i32 786443, metadata !5, metadata !22, i32 9, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/scratch/missing_concrete_variable_on_darwin/reduce/recursive_inlining.cpp]
!42 = metadata !{metadata !43, metadata !44, i64 0}
!43 = metadata !{metadata !"_ZTS1C", metadata !44, i64 0}
!44 = metadata !{metadata !"int", metadata !35, i64 0}
!45 = metadata !{i32 9, i32 0, metadata !46, metadata !32}
!46 = metadata !{i32 786443, metadata !5, metadata !41, i32 9, i32 0, i32 1, i32 1} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/scratch/missing_concrete_variable_on_darwin/reduce/recursive_inlining.cpp]
!47 = metadata !{i32 10, i32 0, metadata !22, metadata !32}
!48 = metadata !{i32 19, i32 0, metadata !14, null}
!49 = metadata !{i32 0, i32 0, metadata !22, null}
!50 = metadata !{i32 8, i32 0, metadata !22, null} ; [ DW_TAG_imported_declaration ]
!51 = metadata !{i32 9, i32 0, metadata !41, null}
!52 = metadata !{i32 9, i32 0, metadata !46, null}
!53 = metadata !{i32 16, i32 0, metadata !14, metadata !54}
!54 = metadata !{i32 20, i32 0, metadata !18, metadata !55}
!55 = metadata !{i32 10, i32 0, metadata !22, null}
!56 = metadata !{i32 17, i32 0, metadata !14, metadata !54}
!57 = metadata !{i32 786689, metadata !22, metadata !"this", null, i32 16777216, metadata !25, i32 1088, metadata !56} ; [ DW_TAG_arg_variable ] [this] [line 0]
!58 = metadata !{i32 0, i32 0, metadata !22, metadata !56}
!59 = metadata !{i32 8, i32 0, metadata !22, metadata !56} ; [ DW_TAG_imported_declaration ]
!60 = metadata !{i32 9, i32 0, metadata !41, metadata !56}
!61 = metadata !{i32 9, i32 0, metadata !46, metadata !56}
!62 = metadata !{i32 10, i32 0, metadata !22, metadata !56}
!63 = metadata !{i32 11, i32 0, metadata !22, null}
!64 = metadata !{i32 16, i32 0, metadata !14, metadata !65}
!65 = metadata !{i32 20, i32 0, metadata !18, null}
!66 = metadata !{i32 17, i32 0, metadata !14, metadata !65}
!67 = metadata !{i32 786689, metadata !22, metadata !"this", null, i32 16777216, metadata !25, i32 1088, metadata !66} ; [ DW_TAG_arg_variable ] [this] [line 0]
!68 = metadata !{i32 0, i32 0, metadata !22, metadata !66}
!69 = metadata !{i32 8, i32 0, metadata !22, metadata !66} ; [ DW_TAG_imported_declaration ]
!70 = metadata !{i32 9, i32 0, metadata !41, metadata !66}
!71 = metadata !{i32 9, i32 0, metadata !46, metadata !66}
!72 = metadata !{i32 21, i32 0, metadata !19, null}
!73 = metadata !{i32 22, i32 0, metadata !20, null}
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