; LLVM IR from Py-Contributors/AlgorithmsAndDataStructure :: C++/Data Structure/Trees (Inorder_traversal)

; 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::stack" = 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 }
%class.binaryTree = type { ptr }
%struct.node = type { i32, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [31 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10binaryTree26inOrderTraversal_iterativeEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::stack", align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  %9 = getelementptr inbounds %class.binaryTree, ptr %7, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = icmp eq ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %1
  br label %58

13:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #6
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %14 = getelementptr inbounds %class.binaryTree, ptr %7, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  store ptr %15, ptr %4, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %56, %13
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %23, label %19

19:                                               ; preds = %16
  %20 = invoke noundef zeroext i1 @_ZNKSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %21 unwind label %34

21:                                               ; preds = %19
  %22 = xor i1 %20, true
  br label %23

23:                                               ; preds = %21, %16
  %24 = phi i1 [ true, %16 ], [ %22, %21 ]
  br i1 %24, label %25, label %57

25:                                               ; preds = %23
  br label %26

26:                                               ; preds = %30, %25
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %38

29:                                               ; preds = %26
  invoke void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %30 unwind label %34

30:                                               ; preds = %29
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.node, ptr %31, i32 0, i32 1
  %33 = load ptr, ptr %32, align 8, !tbaa !11
  store ptr %33, ptr %4, align 8, !tbaa !5
  br label %26, !llvm.loop !14

34:                                               ; preds = %50, %45, %43, %41, %38, %29, %19
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %5, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %59

38:                                               ; preds = %26
  %39 = invoke noundef zeroext i1 @_ZNKSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %40 unwind label %34

40:                                               ; preds = %38
  br i1 %39, label %56, label %41

41:                                               ; preds = %40
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %43 unwind label %34

43:                                               ; preds = %41
  %44 = load ptr, ptr %42, align 8, !tbaa !5
  store ptr %44, ptr %4, align 8, !tbaa !5
  invoke void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %45 unwind label %34

45:                                               ; preds = %43
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.node, ptr %46, i32 0, i32 0
  %48 = load i32, ptr %47, align 8, !tbaa !16
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %48)
          to label %50 unwind label %34

50:                                               ; preds = %45
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef @.str.1)
          to label %52 unwind label %34

52:                                               ; preds = %50
  %53 = load ptr, ptr %4, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct.node, ptr %53, i32 0, i32 2
  %55 = load ptr, ptr %54, align 8, !tbaa !17
  store ptr %55, ptr %4, align 8, !tbaa !5
  br label %56

56:                                               ; preds = %52, %40
  br label %16, !llvm.loop !18

57:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %58

58:                                               ; preds = %57, %12
  ret void

59:                                               ; preds = %34
  %60 = load ptr, ptr %5, align 8
  %61 = load i32, ptr %6, align 4
  %62 = insertvalue { ptr, i32 } poison, ptr %60, 0
  %63 = insertvalue { ptr, i32 } %62, i32 %61, 1
  resume { ptr, i32 } %63
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

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 = { "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 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 = { 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 }

!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, !6, i64 0}
!10 = !{!"_ZTS10binaryTree", !6, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS4node", !13, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!"int", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!12, !13, i64 0}
!17 = !{!12, !6, i64 16}
!18 = distinct !{!18, !15}


; 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::stack" = 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.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [31 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10binaryTree26inOrderTraversal_iterativeEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %0) local_unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::stack", align 8
  %3 = alloca ptr, align 8
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %32, label %7

7:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %2) #6
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %8 = load ptr, ptr %0, align 8, !tbaa !5
  store ptr %8, ptr %3, align 8, !tbaa !10
  br label %9

9:                                                ; preds = %.backedge, %7
  %10 = phi ptr [ %8, %7 ], [ %.be, %.backedge ]
  %.not = icmp eq ptr %10, null
  br i1 %.not, label %11, label %.lr.ph.preheader

11:                                               ; preds = %9
  %12 = call noundef zeroext i1 @_ZNKSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  br i1 %12, label %31, label %.critedge

.critedge:                                        ; preds = %11
  %.pr3.pre = load ptr, ptr %3, align 8, !tbaa !10
  %.not24 = icmp eq ptr %.pr3.pre, null
  br i1 %.not24, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %9, %.critedge
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %13
  invoke void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %13 unwind label %.loopexit

13:                                               ; preds = %.lr.ph
  %14 = load ptr, ptr %3, align 8, !tbaa !10
  %15 = getelementptr inbounds i8, ptr %14, i64 8
  %16 = load ptr, ptr %15, align 8, !tbaa !11
  store ptr %16, ptr %3, align 8, !tbaa !10
  %.not2 = icmp eq ptr %16, null
  br i1 %.not2, label %._crit_edge, label %.lr.ph, !llvm.loop !14

.loopexit:                                        ; preds = %.lr.ph
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %17

.loopexit.split-lp:                               ; preds = %19, %25
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %17

17:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #6
  resume { ptr, i32 } %lpad.phi

._crit_edge:                                      ; preds = %13, %.critedge
  %18 = call noundef zeroext i1 @_ZNKSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  br i1 %18, label %._crit_edge._crit_edge, label %19

._crit_edge._crit_edge:                           ; preds = %._crit_edge
  %.pr.pre = load ptr, ptr %3, align 8, !tbaa !10
  br label %.backedge

.backedge:                                        ; preds = %._crit_edge._crit_edge, %27
  %.be = phi ptr [ %.pr.pre, %._crit_edge._crit_edge ], [ %30, %27 ]
  br label %9, !llvm.loop !16

19:                                               ; preds = %._crit_edge
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  %21 = load ptr, ptr %20, align 8, !tbaa !10
  store ptr %21, ptr %3, align 8, !tbaa !10
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  %22 = load ptr, ptr %3, align 8, !tbaa !10
  %23 = load i32, ptr %22, align 8, !tbaa !17
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %23)
          to label %25 unwind label %.loopexit.split-lp

25:                                               ; preds = %19
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @.str.1)
          to label %27 unwind label %.loopexit.split-lp

27:                                               ; preds = %25
  %28 = load ptr, ptr %3, align 8, !tbaa !10
  %29 = getelementptr inbounds i8, ptr %28, i64 16
  %30 = load ptr, ptr %29, align 8, !tbaa !18
  store ptr %30, ptr %3, align 8, !tbaa !10
  br label %.backedge

31:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #6
  br label %32

32:                                               ; preds = %1, %31
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIP4nodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

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 = { "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 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 = { 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 }

!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, !7, i64 0}
!6 = !{!"_ZTS10binaryTree", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!12, !7, i64 8}
!12 = !{!"_ZTS4node", !13, i64 0, !7, i64 8, !7, i64 16}
!13 = !{!"int", !8, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = !{!12, !13, i64 0}
!18 = !{!12, !7, i64 16}


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