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

; 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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl" }
%"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl" = type { %"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%class.BinaryTreeNode = type { i32, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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) #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14printLevelWiseP14BinaryTreeNodeIiE(ptr noundef %0) #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %9, label %10

9:                                                ; preds = %1
  br label %75

10:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #6
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %11 unwind label %45

11:                                               ; preds = %10
  br label %12

12:                                               ; preds = %73, %11
  %13 = invoke noundef i64 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %14 unwind label %45

14:                                               ; preds = %12
  %15 = icmp ne i64 %13, 0
  br i1 %15, label %16, label %74

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %18 unwind label %49

18:                                               ; preds = %16
  %19 = load ptr, ptr %17, align 8, !tbaa !5
  store ptr %19, ptr %6, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %class.BinaryTreeNode, ptr %20, i32 0, i32 0
  %22 = load i32, ptr %21, align 8, !tbaa !9
  %23 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %22)
          to label %24 unwind label %49

24:                                               ; preds = %18
  %25 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef @.str.2)
          to label %26 unwind label %49

26:                                               ; preds = %24
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %27 unwind label %49

27:                                               ; preds = %26
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %class.BinaryTreeNode, ptr %28, i32 0, i32 1
  %30 = load ptr, ptr %29, align 8, !tbaa !12
  %31 = icmp ne ptr %30, null
  br i1 %31, label %32, label %53

32:                                               ; preds = %27
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = getelementptr inbounds %class.BinaryTreeNode, ptr %33, i32 0, i32 1
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %34)
          to label %35 unwind label %49

35:                                               ; preds = %32
  %36 = 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 %37 unwind label %49

37:                                               ; preds = %35
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  %39 = getelementptr inbounds %class.BinaryTreeNode, ptr %38, i32 0, i32 1
  %40 = load ptr, ptr %39, align 8, !tbaa !12
  %41 = getelementptr inbounds %class.BinaryTreeNode, ptr %40, i32 0, i32 0
  %42 = load i32, ptr %41, align 8, !tbaa !9
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %36, i32 noundef %42)
          to label %44 unwind label %49

44:                                               ; preds = %37
  br label %53

45:                                               ; preds = %12, %10
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %4, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %5, align 4
  br label %76

49:                                               ; preds = %71, %63, %61, %58, %37, %35, %32, %26, %24, %18, %16
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %4, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %76

53:                                               ; preds = %44, %27
  %54 = load ptr, ptr %6, align 8, !tbaa !5
  %55 = getelementptr inbounds %class.BinaryTreeNode, ptr %54, i32 0, i32 2
  %56 = load ptr, ptr %55, align 8, !tbaa !13
  %57 = icmp ne ptr %56, null
  br i1 %57, label %58, label %71

58:                                               ; preds = %53
  %59 = load ptr, ptr %6, align 8, !tbaa !5
  %60 = getelementptr inbounds %class.BinaryTreeNode, ptr %59, i32 0, i32 2
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %60)
          to label %61 unwind label %49

61:                                               ; preds = %58
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %63 unwind label %49

63:                                               ; preds = %61
  %64 = load ptr, ptr %6, align 8, !tbaa !5
  %65 = getelementptr inbounds %class.BinaryTreeNode, ptr %64, i32 0, i32 2
  %66 = load ptr, ptr %65, align 8, !tbaa !13
  %67 = getelementptr inbounds %class.BinaryTreeNode, ptr %66, i32 0, i32 0
  %68 = load i32, ptr %67, align 8, !tbaa !9
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %62, i32 noundef %68)
          to label %70 unwind label %49

70:                                               ; preds = %63
  br label %71

71:                                               ; preds = %70, %53
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %73 unwind label %49

73:                                               ; preds = %71
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %12, !llvm.loop !14

74:                                               ; preds = %14
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %75

75:                                               ; preds = %74, %9
  ret void

76:                                               ; preds = %49, %45
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %77

77:                                               ; preds = %76
  %78 = load ptr, ptr %4, align 8
  %79 = load i32, ptr %5, align 4
  %80 = insertvalue { ptr, i32 } poison, ptr %78, 0
  %81 = insertvalue { ptr, i32 } %80, i32 %79, 1
  resume { ptr, i32 } %81
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #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 = { 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 #6 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS14BinaryTreeNodeIiE", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl" }
%"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl" = type { %"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<BinaryTreeNode<int> *, std::allocator<BinaryTreeNode<int> *>>::_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.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14printLevelWiseP14BinaryTreeNodeIiE(ptr noundef %0) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::queue", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %0, null
  br i1 %4, label %41, label %5

5:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #6
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %.preheader unwind label %24

.preheader:                                       ; preds = %5, %38
  %6 = call noundef i64 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %40, label %7

7:                                                ; preds = %.preheader
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = load i32, ptr %9, align 8, !tbaa !9
  %11 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %10)
          to label %12 unwind label %26

12:                                               ; preds = %7
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull @.str.2)
          to label %14 unwind label %26

14:                                               ; preds = %12
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %15 = getelementptr inbounds i8, ptr %9, i64 8
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %.not9 = icmp eq ptr %16, null
  br i1 %.not9, label %28, label %17

17:                                               ; preds = %14
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %18 unwind label %26

18:                                               ; preds = %17
  %19 = 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 %20 unwind label %26

20:                                               ; preds = %18
  %21 = load ptr, ptr %15, align 8, !tbaa !12
  %22 = load i32, ptr %21, align 8, !tbaa !9
  %23 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %19, i32 noundef %22)
          to label %28 unwind label %26

24:                                               ; preds = %5
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %42

26:                                               ; preds = %38, %34, %32, %31, %20, %18, %17, %12, %7
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %42

28:                                               ; preds = %20, %14
  %29 = getelementptr inbounds i8, ptr %9, i64 16
  %30 = load ptr, ptr %29, align 8, !tbaa !13
  %.not10 = icmp eq ptr %30, null
  br i1 %.not10, label %38, label %31

31:                                               ; preds = %28
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %29)
          to label %32 unwind label %26

32:                                               ; preds = %31
  %33 = 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.5)
          to label %34 unwind label %26

34:                                               ; preds = %32
  %35 = load ptr, ptr %29, align 8, !tbaa !13
  %36 = load i32, ptr %35, align 8, !tbaa !9
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %33, i32 noundef %36)
          to label %38 unwind label %26

38:                                               ; preds = %34, %28
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %26, !llvm.loop !14

40:                                               ; preds = %.preheader
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  br label %41

41:                                               ; preds = %1, %40
  ret void

42:                                               ; preds = %26, %24
  %.pn = phi { ptr, i32 } [ %27, %26 ], [ %25, %24 ]
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  resume { ptr, i32 } %.pn
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #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 = { 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 #6 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS14BinaryTreeNodeIiE", !11, i64 0, !6, i64 8, !6, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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