; LLVM IR from MakeContributions/DSA :: algorithms/CPlusPlus/Trees/print-all-nodes-at-a-level.ll (Z10levelorderP4Nodei)

; 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<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 [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10levelorderP4Nodei(ptr noundef %0, i32 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::queue", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  br label %89

15:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 80, ptr %5) #6
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %16 unwind label %32

16:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %86, %16
  %18 = invoke noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %19 unwind label %36

19:                                               ; preds = %17
  %20 = xor i1 %18, true
  br i1 %20, label %21, label %88

21:                                               ; preds = %19
  %22 = load i32, ptr %8, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %24 = invoke noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %25 unwind label %40

25:                                               ; preds = %21
  %26 = trunc i64 %24 to i32
  store i32 %26, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %83, %25
  %28 = load i32, ptr %10, align 4, !tbaa !9
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %44, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %86

32:                                               ; preds = %15
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %6, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %7, align 4
  br label %91

36:                                               ; preds = %17
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %6, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %7, align 4
  br label %90

40:                                               ; preds = %21
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %6, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %7, align 4
  br label %87

44:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %46 unwind label %60

46:                                               ; preds = %44
  %47 = load ptr, ptr %45, align 8, !tbaa !5
  store ptr %47, ptr %11, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %48 unwind label %60

48:                                               ; preds = %46
  %49 = load i32, ptr %8, align 4, !tbaa !9
  %50 = load i32, ptr %4, align 4, !tbaa !9
  %51 = icmp eq i32 %49, %50
  br i1 %51, label %52, label %64

52:                                               ; preds = %48
  %53 = load ptr, ptr %11, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct.Node, ptr %53, i32 0, i32 0
  %55 = load i32, ptr %54, align 8, !tbaa !11
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %55)
          to label %57 unwind label %60

57:                                               ; preds = %52
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef @.str)
          to label %59 unwind label %60

59:                                               ; preds = %57
  br label %64

60:                                               ; preds = %78, %69, %57, %52, %46, %44
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %6, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %87

64:                                               ; preds = %59, %48
  %65 = load ptr, ptr %11, align 8, !tbaa !5
  %66 = getelementptr inbounds %struct.Node, ptr %65, i32 0, i32 1
  %67 = load ptr, ptr %66, align 8, !tbaa !13
  %68 = icmp ne ptr %67, null
  br i1 %68, label %69, label %73

69:                                               ; preds = %64
  %70 = load ptr, ptr %11, align 8, !tbaa !5
  %71 = getelementptr inbounds %struct.Node, ptr %70, i32 0, i32 1
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %71)
          to label %72 unwind label %60

72:                                               ; preds = %69
  br label %73

73:                                               ; preds = %72, %64
  %74 = load ptr, ptr %11, align 8, !tbaa !5
  %75 = getelementptr inbounds %struct.Node, ptr %74, i32 0, i32 2
  %76 = load ptr, ptr %75, align 8, !tbaa !14
  %77 = icmp ne ptr %76, null
  br i1 %77, label %78, label %82

78:                                               ; preds = %73
  %79 = load ptr, ptr %11, align 8, !tbaa !5
  %80 = getelementptr inbounds %struct.Node, ptr %79, i32 0, i32 2
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %80)
          to label %81 unwind label %60

81:                                               ; preds = %78
  br label %82

82:                                               ; preds = %81, %73
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %83

83:                                               ; preds = %82
  %84 = load i32, ptr %10, align 4, !tbaa !9
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %10, align 4, !tbaa !9
  br label %27, !llvm.loop !15

86:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %17, !llvm.loop !17

87:                                               ; preds = %60, %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %90

88:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #6
  br label %89

89:                                               ; preds = %88, %14
  ret void

90:                                               ; preds = %87, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %91

91:                                               ; preds = %90, %32
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #6
  br label %92

92:                                               ; preds = %91
  %93 = load ptr, ptr %6, align 8
  %94 = load i32, ptr %7, align 4
  %95 = insertvalue { ptr, i32 } poison, ptr %93, 0
  %96 = insertvalue { ptr, i32 } %95, i32 %94, 1
  resume { ptr, i32 } %96
}

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

; 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)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 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)) #2 align 2

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

; 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(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) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTS4Node", !10, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, i64 16}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


; 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<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 [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10levelorderP4Nodei(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::queue", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = icmp eq ptr %0, null
  br i1 %5, label %45, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #6
  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) %3)
          to label %.preheader unwind label %31

.preheader:                                       ; preds = %6
  %7 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %7, label %._crit_edge, label %.lr.ph19

.loopexit:                                        ; preds = %43, %28, %.lr.ph19
  %8 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %8, label %._crit_edge, label %.lr.ph19, !llvm.loop !9

.lr.ph19:                                         ; preds = %.preheader, %.loopexit
  %.01418 = phi i32 [ %9, %.loopexit ], [ 0, %.preheader ]
  %9 = add i32 %.01418, 1
  %10 = call noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %11 = trunc i64 %10 to i32
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %.lr.ph19
  %13 = icmp eq i32 %9, %1
  br i1 %13, label %.lr.ph.split.us, label %.lr.ph.split

.lr.ph.split.us:                                  ; preds = %.lr.ph, %28
  %.01217.us = phi i32 [ %29, %28 ], [ 0, %.lr.ph ]
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %15 = load ptr, ptr %14, align 8, !tbaa !5
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %16 = load i32, ptr %15, align 8, !tbaa !11
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %16)
          to label %18 unwind label %.split.us

18:                                               ; preds = %.lr.ph.split.us
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull @.str)
          to label %20 unwind label %.split.us

20:                                               ; preds = %18
  %21 = getelementptr inbounds i8, ptr %15, i64 8
  %22 = load ptr, ptr %21, align 8, !tbaa !14
  %.not.us = icmp eq ptr %22, null
  br i1 %.not.us, label %24, label %23

23:                                               ; preds = %20
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %21)
          to label %24 unwind label %.split.us

24:                                               ; preds = %23, %20
  %25 = getelementptr inbounds i8, ptr %15, i64 16
  %26 = load ptr, ptr %25, align 8, !tbaa !15
  %.not15.us = icmp eq ptr %26, null
  br i1 %.not15.us, label %28, label %27

27:                                               ; preds = %24
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %25)
          to label %28 unwind label %.split.us

28:                                               ; preds = %27, %24
  %29 = add nuw nsw i32 %.01217.us, 1
  %exitcond22.not = icmp eq i32 %29, %11
  br i1 %exitcond22.not, label %.loopexit, label %.lr.ph.split.us, !llvm.loop !16

.split.us:                                        ; preds = %27, %23, %18, %.lr.ph.split.us
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %46

31:                                               ; preds = %6
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %46

.lr.ph.split:                                     ; preds = %.lr.ph, %43
  %.01217 = phi i32 [ %44, %43 ], [ 0, %.lr.ph ]
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %34 = load ptr, ptr %33, align 8, !tbaa !5
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %35 = getelementptr inbounds i8, ptr %34, i64 8
  %36 = load ptr, ptr %35, align 8, !tbaa !14
  %.not = icmp eq ptr %36, null
  br i1 %.not, label %39, label %38

.split:                                           ; preds = %42, %38
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %46

38:                                               ; preds = %.lr.ph.split
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %35)
          to label %39 unwind label %.split

39:                                               ; preds = %38, %.lr.ph.split
  %40 = getelementptr inbounds i8, ptr %34, i64 16
  %41 = load ptr, ptr %40, align 8, !tbaa !15
  %.not15 = icmp eq ptr %41, null
  br i1 %.not15, label %43, label %42

42:                                               ; preds = %39
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %40)
          to label %43 unwind label %.split

43:                                               ; preds = %42, %39
  %44 = add nuw nsw i32 %.01217, 1
  %exitcond.not = icmp eq i32 %44, %11
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph.split, !llvm.loop !16

._crit_edge:                                      ; preds = %.loopexit, %.preheader
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #6
  br label %45

45:                                               ; preds = %2, %._crit_edge
  ret void

46:                                               ; preds = %.split, %.split.us, %31
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %37, %.split ], [ %30, %.split.us ]
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #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

; 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 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 #2 align 2

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

; 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(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) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeSt5dequeIS1_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 = { 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 #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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS4Node", !13, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 16}
!16 = distinct !{!16, !10}


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