; LLVM IR from VAR-solutions/Algorithms :: Tree/Traverals/CPP/vertical order traversal.ll (Z9Buildtreev)

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

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z9Buildtreev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::queue", align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #7
  %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)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  %9 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #8
  %10 = load i32, ptr %1, align 4, !tbaa !5
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef %10)
          to label %11 unwind label %39

11:                                               ; preds = %0
  store ptr %9, ptr %2, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr %5) #7
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %12 unwind label %43

12:                                               ; preds = %11
  br label %13

13:                                               ; preds = %104, %12
  %14 = invoke noundef zeroext i1 @_ZNKSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %15 unwind label %43

15:                                               ; preds = %13
  %16 = xor i1 %14, true
  br i1 %16, label %17, label %105

17:                                               ; preds = %15
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %19 unwind label %43

19:                                               ; preds = %17
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = icmp ne i32 %20, -1
  br i1 %21, label %22, label %65

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  %23 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #8
          to label %24 unwind label %47

24:                                               ; preds = %22
  %25 = load i32, ptr %1, align 4, !tbaa !5
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %23, i32 noundef %25)
          to label %26 unwind label %51

26:                                               ; preds = %24
  store ptr %23, ptr %6, align 8, !tbaa !9
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %28 unwind label %47

28:                                               ; preds = %26
  %29 = load ptr, ptr %27, align 8, !tbaa !9
  %30 = getelementptr inbounds %class.TreeNode, ptr %29, i32 0, i32 1
  %31 = load ptr, ptr %30, align 8, !tbaa !11
  %32 = icmp eq ptr %31, null
  br i1 %32, label %33, label %55

33:                                               ; preds = %28
  %34 = load ptr, ptr %6, align 8, !tbaa !9
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %36 unwind label %47

36:                                               ; preds = %33
  %37 = load ptr, ptr %35, align 8, !tbaa !9
  %38 = getelementptr inbounds %class.TreeNode, ptr %37, i32 0, i32 1
  store ptr %34, ptr %38, align 8, !tbaa !11
  br label %62

39:                                               ; preds = %0
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %3, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %4, align 4
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 24) #9
  br label %108

43:                                               ; preds = %101, %77, %72, %65, %17, %13, %11
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %3, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %4, align 4
  br label %107

47:                                               ; preds = %62, %58, %55, %33, %26, %22
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %3, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %4, align 4
  br label %64

51:                                               ; preds = %24
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %3, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %4, align 4
  call void @_ZdlPvm(ptr noundef %23, i64 noundef 24) #9
  br label %64

55:                                               ; preds = %28
  %56 = load ptr, ptr %6, align 8, !tbaa !9
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %58 unwind label %47

58:                                               ; preds = %55
  %59 = load ptr, ptr %57, align 8, !tbaa !9
  %60 = getelementptr inbounds %class.TreeNode, ptr %59, i32 0, i32 2
  store ptr %56, ptr %60, align 8, !tbaa !13
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %61 unwind label %47

61:                                               ; preds = %58
  br label %62

62:                                               ; preds = %61, %36
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %63 unwind label %47

63:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %104

64:                                               ; preds = %51, %47
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %107

65:                                               ; preds = %19
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %67 unwind label %43

67:                                               ; preds = %65
  %68 = load ptr, ptr %66, align 8, !tbaa !9
  %69 = getelementptr inbounds %class.TreeNode, ptr %68, i32 0, i32 1
  %70 = load ptr, ptr %69, align 8, !tbaa !11
  %71 = icmp eq ptr %70, null
  br i1 %71, label %72, label %101

72:                                               ; preds = %67
  %73 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %74 unwind label %43

74:                                               ; preds = %72
  %75 = load i32, ptr %1, align 4, !tbaa !5
  %76 = icmp eq i32 %75, -1
  br i1 %76, label %77, label %79

77:                                               ; preds = %74
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %78 unwind label %43

78:                                               ; preds = %77
  br label %100

79:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  %80 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #8
          to label %81 unwind label %91

81:                                               ; preds = %79
  %82 = load i32, ptr %1, align 4, !tbaa !5
  invoke void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %80, i32 noundef %82)
          to label %83 unwind label %95

83:                                               ; preds = %81
  store ptr %80, ptr %7, align 8, !tbaa !9
  %84 = load ptr, ptr %7, align 8, !tbaa !9
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %86 unwind label %91

86:                                               ; preds = %83
  %87 = load ptr, ptr %85, align 8, !tbaa !9
  %88 = getelementptr inbounds %class.TreeNode, ptr %87, i32 0, i32 2
  store ptr %84, ptr %88, align 8, !tbaa !13
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %89 unwind label %91

89:                                               ; preds = %86
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %90 unwind label %91

90:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %100

91:                                               ; preds = %89, %86, %83, %79
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %3, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %4, align 4
  br label %99

95:                                               ; preds = %81
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %3, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %4, align 4
  call void @_ZdlPvm(ptr noundef %80, i64 noundef 24) #9
  br label %99

99:                                               ; preds = %95, %91
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %107

100:                                              ; preds = %90, %78
  br label %103

101:                                              ; preds = %67
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %102 unwind label %43

102:                                              ; preds = %101
  br label %103

103:                                              ; preds = %102, %100
  br label %104

104:                                              ; preds = %103, %63
  br label %13, !llvm.loop !14

105:                                              ; preds = %15
  %106 = load ptr, ptr %2, align 8, !tbaa !9
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #7
  ret ptr %106

107:                                              ; preds = %99, %64, %43
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #7
  br label %108

108:                                              ; preds = %107, %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #7
  br label %109

109:                                              ; preds = %108
  %110 = load ptr, ptr %3, align 8
  %111 = load i32, ptr %4, align 4
  %112 = insertvalue { ptr, i32 } poison, ptr %110, 0
  %113 = insertvalue { ptr, i32 } %112, i32 %111, 1
  resume { ptr, i32 } %113
}

; 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 @_ZN8TreeNodeC2Ei(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 @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(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 @_ZNKSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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 @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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 @_ZNSt5queueIP8TreeNodeSt5dequeIS1_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 = { "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 = !{!"_ZTS8TreeNode", !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<TreeNode *, std::allocator<TreeNode *>>::_Deque_impl" }
%"struct.std::_Deque_base<TreeNode *, std::allocator<TreeNode *>>::_Deque_impl" = type { %"struct.std::_Deque_base<TreeNode *, std::allocator<TreeNode *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<TreeNode *, std::allocator<TreeNode *>>::_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 @_Z9Buildtreev() 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 ptr, align 8
  %5 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %6 = 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)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %7 = call noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #7
  %8 = load i32, ptr %1, align 4, !tbaa !5
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef %8)
  store ptr %7, ptr %2, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #6
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %.preheader unwind label %.loopexit.split-lp

.preheader:                                       ; preds = %0
  %9 = call noundef zeroext i1 @_ZNKSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %9, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %54
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %11 unwind label %.loopexit

11:                                               ; preds = %.lr.ph
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %12, -1
  br i1 %.not, label %32, label %13

13:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %14 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #7
          to label %15 unwind label %26

15:                                               ; preds = %13
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %14, i32 noundef %12)
  store ptr %14, ptr %4, align 8, !tbaa !9
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %17 = load ptr, ptr %16, align 8, !tbaa !9
  %18 = getelementptr inbounds i8, ptr %17, i64 8
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = icmp eq ptr %19, null
  %21 = load ptr, ptr %4, align 8, !tbaa !9
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  br i1 %20, label %24, label %28

24:                                               ; preds = %15
  %25 = getelementptr inbounds i8, ptr %23, i64 8
  store ptr %21, ptr %25, align 8, !tbaa !11
  br label %30

.loopexit:                                        ; preds = %.lr.ph, %38
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %57

.loopexit.split-lp:                               ; preds = %0
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %57

26:                                               ; preds = %30, %13
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %57

28:                                               ; preds = %15
  %29 = getelementptr inbounds i8, ptr %23, i64 16
  store ptr %21, ptr %29, align 8, !tbaa !13
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br label %30

30:                                               ; preds = %28, %24
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %31 unwind label %26

31:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %54

32:                                               ; preds = %11
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %34 = load ptr, ptr %33, align 8, !tbaa !9
  %35 = getelementptr inbounds i8, ptr %34, i64 8
  %36 = load ptr, ptr %35, align 8, !tbaa !11
  %37 = icmp eq ptr %36, null
  br i1 %37, label %38, label %53

38:                                               ; preds = %32
  %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) %1)
          to label %40 unwind label %.loopexit

40:                                               ; preds = %38
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = icmp eq i32 %41, -1
  br i1 %42, label %43, label %44

43:                                               ; preds = %40
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br label %54

44:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %45 = invoke noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #7
          to label %46 unwind label %51

46:                                               ; preds = %44
  call void @_ZN8TreeNodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %45, i32 noundef %41)
  store ptr %45, ptr %5, align 8, !tbaa !9
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %48 = load ptr, ptr %47, align 8, !tbaa !9
  %49 = getelementptr inbounds i8, ptr %48, i64 16
  store ptr %45, ptr %49, align 8, !tbaa !13
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %50 unwind label %51

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %54

51:                                               ; preds = %46, %44
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %57

53:                                               ; preds = %32
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br label %54

54:                                               ; preds = %53, %50, %43, %31
  %55 = call noundef zeroext i1 @_ZNKSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %55, label %._crit_edge, label %.lr.ph, !llvm.loop !14

._crit_edge:                                      ; preds = %54, %.preheader
  %56 = load ptr, ptr %2, align 8, !tbaa !9
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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
  ret ptr %56

57:                                               ; preds = %.loopexit, %.loopexit.split-lp, %51, %26
  %.pn = phi { ptr, i32 } [ %27, %26 ], [ %52, %51 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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
}

; 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 @_ZN8TreeNodeC2Ei(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 @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(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 @_ZNKSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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 @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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 @_ZNSt5queueIP8TreeNodeSt5dequeIS1_SaIS1_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 = !{!"_ZTS8TreeNode", !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