; LLVM IR from devparthgarg/Data-Structures-and-Algorithms :: 15. Binary Tree/10 Level Order Traversal Line by Line/10c.ll (Z10levelOrderP4Node)

; 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 }
%class.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 @_Z10levelOrderP4Node(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %1
  br label %78

12:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #6
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %13 unwind label %28

13:                                               ; preds = %12
  br label %14

14:                                               ; preds = %75, %13
  %15 = invoke noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %16 unwind label %28

16:                                               ; preds = %14
  %17 = zext i1 %15 to i32
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %77

19:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %20 = invoke noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %21 unwind label %32

21:                                               ; preds = %19
  %22 = trunc i64 %20 to i32
  store i32 %22, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %70, %21
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %36, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %73

28:                                               ; preds = %14, %12
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %4, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %5, align 4
  br label %79

32:                                               ; preds = %73, %19
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %4, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %5, align 4
  br label %76

36:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %38 unwind label %56

38:                                               ; preds = %36
  %39 = load ptr, ptr %37, align 8, !tbaa !5
  store ptr %39, ptr %8, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %40 unwind label %56

40:                                               ; preds = %38
  %41 = load ptr, ptr %8, align 8, !tbaa !5
  %42 = getelementptr inbounds %class.Node, ptr %41, i32 0, i32 0
  %43 = load i32, ptr %42, align 8, !tbaa !11
  %44 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %43)
          to label %45 unwind label %56

45:                                               ; preds = %40
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef @.str)
          to label %47 unwind label %56

47:                                               ; preds = %45
  %48 = load ptr, ptr %8, align 8, !tbaa !5
  %49 = getelementptr inbounds %class.Node, ptr %48, i32 0, i32 1
  %50 = load ptr, ptr %49, align 8, !tbaa !13
  %51 = icmp ne ptr %50, null
  br i1 %51, label %52, label %60

52:                                               ; preds = %47
  %53 = load ptr, ptr %8, align 8, !tbaa !5
  %54 = getelementptr inbounds %class.Node, ptr %53, i32 0, i32 1
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %54)
          to label %55 unwind label %56

55:                                               ; preds = %52
  br label %60

56:                                               ; preds = %65, %52, %45, %40, %38, %36
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %4, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %76

60:                                               ; preds = %55, %47
  %61 = load ptr, ptr %8, align 8, !tbaa !5
  %62 = getelementptr inbounds %class.Node, ptr %61, i32 0, i32 2
  %63 = load ptr, ptr %62, align 8, !tbaa !14
  %64 = icmp ne ptr %63, null
  br i1 %64, label %65, label %69

65:                                               ; preds = %60
  %66 = load ptr, ptr %8, align 8, !tbaa !5
  %67 = getelementptr inbounds %class.Node, ptr %66, i32 0, i32 2
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %67)
          to label %68 unwind label %56

68:                                               ; preds = %65
  br label %69

69:                                               ; preds = %68, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %70

70:                                               ; preds = %69
  %71 = load i32, ptr %7, align 4, !tbaa !9
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %7, align 4, !tbaa !9
  br label %23, !llvm.loop !15

73:                                               ; preds = %27
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %75 unwind label %32

75:                                               ; preds = %73
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %14, !llvm.loop !17

76:                                               ; preds = %56, %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %79

77:                                               ; preds = %16
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %78

78:                                               ; preds = %77, %11
  ret void

79:                                               ; preds = %76, %28
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %80

80:                                               ; preds = %79
  %81 = load ptr, ptr %4, align 8
  %82 = load i32, ptr %5, align 4
  %83 = insertvalue { ptr, i32 } poison, ptr %81, 0
  %84 = insertvalue { ptr, i32 } %83, i32 %82, 1
  resume { ptr, i32 } %84
}

; 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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; 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 @_Z10levelOrderP4Node(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::queue", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %0, null
  br i1 %4, label %35, label %5

5:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #6
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %.preheader unwind label %12

.preheader:                                       ; preds = %5, %._crit_edge
  %6 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %6, label %34, label %7

7:                                                ; preds = %.preheader
  %8 = call noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %9 = trunc i64 %8 to i32
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %32, %7
  %11 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %14, !llvm.loop !9

12:                                               ; preds = %5
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %36

14:                                               ; preds = %._crit_edge
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %36

.lr.ph:                                           ; preds = %7, %32
  %.0915 = phi i32 [ %33, %32 ], [ 0, %7 ]
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %18 = load i32, ptr %17, align 8, !tbaa !11
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %18)
          to label %20 unwind label %26

20:                                               ; preds = %.lr.ph
  %21 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @.str)
          to label %22 unwind label %26

22:                                               ; preds = %20
  %23 = getelementptr inbounds i8, ptr %17, i64 8
  %24 = load ptr, ptr %23, align 8, !tbaa !14
  %.not = icmp eq ptr %24, null
  br i1 %.not, label %28, label %25

25:                                               ; preds = %22
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %23)
          to label %28 unwind label %26

26:                                               ; preds = %31, %25, %20, %.lr.ph
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %36

28:                                               ; preds = %25, %22
  %29 = getelementptr inbounds i8, ptr %17, i64 16
  %30 = load ptr, ptr %29, align 8, !tbaa !15
  %.not12 = icmp eq ptr %30, null
  br i1 %.not12, label %32, label %31

31:                                               ; preds = %28
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %29)
          to label %32 unwind label %26

32:                                               ; preds = %31, %28
  %33 = add nuw nsw i32 %.0915, 1
  %exitcond.not = icmp eq i32 %33, %9
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !16

34:                                               ; preds = %.preheader
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  br label %35

35:                                               ; preds = %1, %34
  ret void

36:                                               ; preds = %14, %26, %12
  %.pn.pn = phi { ptr, i32 } [ %13, %12 ], [ %27, %26 ], [ %15, %14 ]
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  resume { ptr, i32 } %.pn.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: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; 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,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass