; LLVM IR from HarshCasper/NeoAlgo :: C-Plus-Plus/ds (Sum_Of_Elements_Of_N_ary_Tree)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl" }
%"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl" = type { %"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%struct.Node = type { i32, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [88 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [55 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [57 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z7newNodei(i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z8addChildP4Nodei(ptr noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z13SumOfNaryTreeP4Node(ptr noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::queue", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = icmp ne i32 %15, -1
  br i1 %16, label %17, label %20

17:                                               ; preds = %0
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = call noundef ptr @_Z7newNodei(i32 noundef %18)
  store ptr %19, ptr %2, align 8, !tbaa !9
  br label %21

20:                                               ; preds = %0
  store ptr null, ptr %2, align 8, !tbaa !9
  br label %21

21:                                               ; preds = %20, %17
  call void @llvm.lifetime.start.p0(i64 80, ptr %4) #7
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %22 unwind label %33

22:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  br label %23

23:                                               ; preds = %102, %97, %22
  %24 = invoke noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %25 unwind label %37

25:                                               ; preds = %23
  %26 = xor i1 %24, true
  br i1 %26, label %27, label %103

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %29 unwind label %37

29:                                               ; preds = %27
  %30 = load ptr, ptr %28, align 8, !tbaa !9
  %31 = icmp eq ptr %30, null
  br i1 %31, label %32, label %41

32:                                               ; preds = %29
  br label %103

33:                                               ; preds = %21
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %5, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %6, align 4
  br label %113

37:                                               ; preds = %108, %105, %103, %27, %23
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %5, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %6, align 4
  br label %112

41:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %43 unwind label %60

43:                                               ; preds = %41
  %44 = load ptr, ptr %42, align 8, !tbaa !9
  store ptr %44, ptr %8, align 8, !tbaa !9
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %45 unwind label %60

45:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %47 unwind label %64

47:                                               ; preds = %45
  %48 = load ptr, ptr %8, align 8, !tbaa !9
  %49 = getelementptr inbounds %struct.Node, ptr %48, i32 0, i32 0
  %50 = load i32, ptr %49, align 8, !tbaa !11
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %46, i32 noundef %50)
          to label %52 unwind label %64

52:                                               ; preds = %47
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @.str.2)
          to label %54 unwind label %64

54:                                               ; preds = %52
  %55 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %56 unwind label %64

56:                                               ; preds = %54
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = icmp eq i32 %57, 0
  br i1 %58, label %59, label %68

59:                                               ; preds = %56
  store i32 2, ptr %10, align 4
  br label %97, !llvm.loop !13

60:                                               ; preds = %43, %41
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %5, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %6, align 4
  br label %101

64:                                               ; preds = %68, %54, %52, %47, %45
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %5, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %6, align 4
  br label %100

68:                                               ; preds = %56
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %70 unwind label %64

70:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 1, ptr %11, align 4, !tbaa !5
  br label %71

71:                                               ; preds = %84, %70
  %72 = load i32, ptr %11, align 4, !tbaa !5
  %73 = load i32, ptr %9, align 4, !tbaa !5
  %74 = icmp sle i32 %72, %73
  br i1 %74, label %76, label %75

75:                                               ; preds = %71
  store i32 4, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %96

76:                                               ; preds = %71
  %77 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %78 unwind label %87

78:                                               ; preds = %76
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %79 = load ptr, ptr %8, align 8, !tbaa !9
  %80 = load i32, ptr %3, align 4, !tbaa !5
  %81 = invoke noundef ptr @_Z8addChildP4Nodei(ptr noundef %79, i32 noundef %80)
          to label %82 unwind label %91

82:                                               ; preds = %78
  store ptr %81, ptr %12, align 8, !tbaa !9
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %83 unwind label %91

83:                                               ; preds = %82
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %11, align 4, !tbaa !5
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %11, align 4, !tbaa !5
  br label %71, !llvm.loop !15

87:                                               ; preds = %76
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %5, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %6, align 4
  br label %95

91:                                               ; preds = %82, %78
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %5, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %95

95:                                               ; preds = %91, %87
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %100

96:                                               ; preds = %75
  store i32 0, ptr %10, align 4
  br label %97

97:                                               ; preds = %96, %59
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  %98 = load i32, ptr %10, align 4
  switch i32 %98, label %119 [
    i32 0, label %99
    i32 2, label %23
  ]

99:                                               ; preds = %97
  br label %102

100:                                              ; preds = %95, %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %101

101:                                              ; preds = %100, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %112

102:                                              ; preds = %99
  br label %23, !llvm.loop !13

103:                                              ; preds = %32, %25
  %104 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %105 unwind label %37

105:                                              ; preds = %103
  %106 = load ptr, ptr %2, align 8, !tbaa !9
  %107 = invoke noundef i64 @_Z13SumOfNaryTreeP4Node(ptr noundef %106)
          to label %108 unwind label %37

108:                                              ; preds = %105
  %109 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %104, i64 noundef %107)
          to label %110 unwind label %37

110:                                              ; preds = %108
  store i32 0, ptr %1, align 4
  store i32 1, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  %111 = load i32, ptr %1, align 4
  ret i32 %111

112:                                              ; preds = %101, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %113

113:                                              ; preds = %112, %33
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  br label %114

114:                                              ; preds = %113
  %115 = load ptr, ptr %5, align 8
  %116 = load i32, ptr %6, align 4
  %117 = insertvalue { ptr, i32 } poison, ptr %115, 0
  %118 = insertvalue { ptr, i32 } %117, i32 %116, 1
  resume { ptr, i32 } %118

119:                                              ; preds = %97
  unreachable
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTS4Node", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl" }
%"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl" = type { %"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<Node *, std::allocator<Node *>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [88 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [55 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [57 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z7newNodei(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z8addChildP4Nodei(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z13SumOfNaryTreeP4Node(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca ptr, align 8
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i32 %8, -1
  br i1 %.not, label %11, label %9

9:                                                ; preds = %0
  %10 = call noundef ptr @_Z7newNodei(i32 noundef %8)
  br label %11

11:                                               ; preds = %0, %9
  %storemerge = phi ptr [ %10, %9 ], [ null, %0 ]
  store ptr %storemerge, ptr %1, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #7
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %.preheader18 unwind label %16

.preheader18:                                     ; preds = %11
  %12 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %12, label %._crit_edge, label %.lr.ph21

.lr.ph21:                                         ; preds = %.preheader18, %.loopexit
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = icmp eq ptr %14, null
  br i1 %15, label %._crit_edge, label %20

16:                                               ; preds = %11
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %60

18:                                               ; preds = %57, %54, %._crit_edge
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %60

20:                                               ; preds = %.lr.ph21
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %23 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %24 unwind label %34

24:                                               ; preds = %20
  %25 = load i32, ptr %22, align 8, !tbaa !11
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %23, i32 noundef %25)
          to label %27 unwind label %34

27:                                               ; preds = %24
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull @.str.2)
          to label %29 unwind label %34

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %31 unwind label %34

31:                                               ; preds = %29
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = icmp eq i32 %32, 0
  br i1 %33, label %.loopexit, label %36, !llvm.loop !13

34:                                               ; preds = %36, %29, %27, %24, %20
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %52

36:                                               ; preds = %31
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %.preheader unwind label %34

.preheader:                                       ; preds = %36
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %.not1219 = icmp slt i32 %38, 1
  br i1 %.not1219, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %44
  %.020 = phi i32 [ %45, %44 ], [ 1, %.preheader ]
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %40 unwind label %47

40:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %41 = load i32, ptr %2, align 4, !tbaa !5
  %42 = invoke noundef ptr @_Z8addChildP4Nodei(ptr noundef nonnull %22, i32 noundef %41)
          to label %43 unwind label %49

43:                                               ; preds = %40
  store ptr %42, ptr %5, align 8, !tbaa !9
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %44 unwind label %49

44:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  %45 = add nuw nsw i32 %.020, 1
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %.not12.not = icmp slt i32 %.020, %46
  br i1 %.not12.not, label %.lr.ph, label %.loopexit, !llvm.loop !15

47:                                               ; preds = %.lr.ph
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %52

49:                                               ; preds = %43, %40
  %50 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %52

.loopexit:                                        ; preds = %44, %.preheader, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  %51 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %51, label %._crit_edge, label %.lr.ph21

52:                                               ; preds = %47, %49, %34
  %.pn.pn = phi { ptr, i32 } [ %35, %34 ], [ %50, %49 ], [ %48, %47 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %60

._crit_edge:                                      ; preds = %.loopexit, %.lr.ph21, %.preheader18
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
          to label %54 unwind label %18

54:                                               ; preds = %._crit_edge
  %55 = load ptr, ptr %1, align 8, !tbaa !9
  %56 = invoke noundef i64 @_Z13SumOfNaryTreeP4Node(ptr noundef %55)
          to label %57 unwind label %18

57:                                               ; preds = %54
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %53, i64 noundef %56)
          to label %59 unwind label %18

59:                                               ; preds = %57
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0

60:                                               ; preds = %18, %52, %16
  %.pn15.pn = phi { ptr, i32 } [ %17, %16 ], [ %19, %18 ], [ %.pn.pn, %52 ]
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn15.pn
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTS4Node", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass