; LLVM IR from div-bargali/Data-Structures-and-Algorithms :: C++/Data-Structures/BST/check_bst.ll (Z9takeInputv)

; 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_istream" = type { ptr, i64, %"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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z9takeInputv() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca ptr, align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::queue", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %13 = 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)
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = icmp eq i32 %14, -1
  br i1 %15, label %16, label %17

16:                                               ; preds = %0
  store ptr null, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %99

17:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  %18 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #8
  %19 = load i32, ptr %2, align 4, !tbaa !5
  invoke void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %18, i32 noundef %19)
          to label %20 unwind label %44

20:                                               ; preds = %17
  store ptr %18, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr %7) #7
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %21 unwind label %48

21:                                               ; preds = %20
  br label %22

22:                                               ; preds = %92, %21
  %23 = invoke noundef zeroext i1 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %24 unwind label %48

24:                                               ; preds = %22
  %25 = xor i1 %23, true
  br i1 %25, label %26, label %95

26:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %28 unwind label %52

28:                                               ; preds = %26
  %29 = load ptr, ptr %27, align 8, !tbaa !9
  store ptr %29, ptr %8, align 8, !tbaa !9
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %30 unwind label %52

30:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %31 = 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 %32 unwind label %56

32:                                               ; preds = %30
  %33 = load i32, ptr %9, align 4, !tbaa !5
  %34 = icmp ne i32 %33, -1
  br i1 %34, label %35, label %69

35:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  %36 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #8
          to label %37 unwind label %60

37:                                               ; preds = %35
  %38 = load i32, ptr %9, align 4, !tbaa !5
  invoke void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %36, i32 noundef %38)
          to label %39 unwind label %64

39:                                               ; preds = %37
  store ptr %36, ptr %11, align 8, !tbaa !9
  %40 = load ptr, ptr %11, align 8, !tbaa !9
  %41 = load ptr, ptr %8, align 8, !tbaa !9
  %42 = getelementptr inbounds %class.BinaryTreeNode, ptr %41, i32 0, i32 1
  store ptr %40, ptr %42, align 8, !tbaa !11
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %43 unwind label %60

43:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %69

44:                                               ; preds = %17
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %5, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %18, i64 noundef 24) #9
  br label %98

48:                                               ; preds = %22, %20
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %5, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %6, align 4
  br label %97

52:                                               ; preds = %28, %26
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %5, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %6, align 4
  br label %94

56:                                               ; preds = %69, %30
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %5, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %6, align 4
  br label %93

60:                                               ; preds = %39, %35
  %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 %68

64:                                               ; preds = %37
  %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
  call void @_ZdlPvm(ptr noundef %36, i64 noundef 24) #9
  br label %68

68:                                               ; preds = %64, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  br label %93

69:                                               ; preds = %43, %32
  %70 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %71 unwind label %56

71:                                               ; preds = %69
  %72 = load i32, ptr %10, align 4, !tbaa !5
  %73 = icmp ne i32 %72, -1
  br i1 %73, label %74, label %92

74:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %75 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #8
          to label %76 unwind label %83

76:                                               ; preds = %74
  %77 = load i32, ptr %10, align 4, !tbaa !5
  invoke void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %75, i32 noundef %77)
          to label %78 unwind label %87

78:                                               ; preds = %76
  store ptr %75, ptr %12, align 8, !tbaa !9
  %79 = load ptr, ptr %12, align 8, !tbaa !9
  %80 = load ptr, ptr %8, align 8, !tbaa !9
  %81 = getelementptr inbounds %class.BinaryTreeNode, ptr %80, i32 0, i32 2
  store ptr %79, ptr %81, align 8, !tbaa !13
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %82 unwind label %83

82:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %92

83:                                               ; preds = %78, %74
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %5, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %6, align 4
  br label %91

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
  call void @_ZdlPvm(ptr noundef %75, i64 noundef 24) #9
  br label %91

91:                                               ; preds = %87, %83
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %93

92:                                               ; preds = %82, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %22, !llvm.loop !14

93:                                               ; preds = %91, %68, %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %94

94:                                               ; preds = %93, %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %97

95:                                               ; preds = %24
  %96 = load ptr, ptr %4, align 8, !tbaa !9
  store ptr %96, ptr %1, align 8
  store i32 1, ptr %3, align 4
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  br label %99

97:                                               ; preds = %94, %48
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %7) #7
  br label %98

98:                                               ; preds = %97, %44
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %101

99:                                               ; preds = %95, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %100 = load ptr, ptr %1, align 8
  ret ptr %100

101:                                              ; preds = %98
  %102 = load ptr, ptr %5, align 8
  %103 = load i32, ptr %6, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 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)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 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)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_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 = { "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 = { nobuiltin allocsize(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 = { 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 #5 = { nobuiltin nounwind "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 }
attributes #8 = { builtin allocsize(0) }
attributes #9 = { builtin 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, !10, i64 8}
!12 = !{!"_ZTS14BinaryTreeNodeIiE", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = !{!12, !10, 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_istream" = type { ptr, i64, %"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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z9takeInputv() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = icmp eq i32 %9, -1
  br i1 %10, label %46, label %11

11:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %12 = call noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #7
  call void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %12, i32 noundef %9)
  store ptr %12, ptr %2, align 8, !tbaa !9
  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 = %11
  %13 = call noundef zeroext i1 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %13, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %41
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  call void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %16 = 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 %17 unwind label %26

17:                                               ; preds = %.lr.ph
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %.not = icmp eq i32 %18, -1
  br i1 %.not, label %30, label %19

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %20 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #7
          to label %21 unwind label %28

21:                                               ; preds = %19
  call void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %20, i32 noundef %18)
  store ptr %20, ptr %6, align 8, !tbaa !9
  %22 = getelementptr inbounds i8, ptr %15, i64 8
  store ptr %20, ptr %22, align 8, !tbaa !11
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %23 unwind label %28

23:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %30

24:                                               ; preds = %11
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %45

26:                                               ; preds = %30, %.lr.ph
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %43

28:                                               ; preds = %21, %19
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %43

30:                                               ; preds = %23, %17
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %32 unwind label %26

32:                                               ; preds = %30
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %.not7 = icmp eq i32 %33, -1
  br i1 %.not7, label %41, label %34

34:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %35 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #7
          to label %36 unwind label %39

36:                                               ; preds = %34
  call void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %35, i32 noundef %33)
  store ptr %35, ptr %7, align 8, !tbaa !9
  %37 = getelementptr inbounds i8, ptr %15, i64 16
  store ptr %35, ptr %37, align 8, !tbaa !13
  invoke void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %38 unwind label %39

38:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %41

39:                                               ; preds = %36, %34
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %43

41:                                               ; preds = %38, %32
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %42 = call noundef zeroext i1 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %42, label %._crit_edge, label %.lr.ph, !llvm.loop !14

43:                                               ; preds = %39, %28, %26
  %.pn = phi { ptr, i32 } [ %40, %39 ], [ %27, %26 ], [ %29, %28 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %45

._crit_edge:                                      ; preds = %41, %.preheader
  %44 = load ptr, ptr %2, align 8, !tbaa !9
  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
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br label %46

45:                                               ; preds = %43, %24
  %.pn.pn = phi { ptr, i32 } [ %.pn, %43 ], [ %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
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn

46:                                               ; preds = %0, %._crit_edge
  %.0 = phi ptr [ %44, %._crit_edge ], [ null, %0 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret ptr %.0
}

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

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 #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN14BinaryTreeNodeIiEC2Ei(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #4 align 2

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 #0 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 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 #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP14BinaryTreeNodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

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

; 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

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 = { "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 = { nobuiltin allocsize(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 = { 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 #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 }
attributes #7 = { builtin allocsize(0) }

!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, !10, i64 8}
!12 = !{!"_ZTS14BinaryTreeNodeIiE", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = !{!12, !10, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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