; LLVM IR from div-bargali/Data-Structures-and-Algorithms :: C++/Data-Structures/BST/pair_sum_in_bst.ll (Z19printLevelATNewLineP4NodeIiE)

; 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<int> *, std::allocator<Node<int> *>>::_Deque_impl" }
%"struct.std::_Deque_base<Node<int> *, std::allocator<Node<int> *>>::_Deque_impl" = type { %"struct.std::_Deque_base<Node<int> *, std::allocator<Node<int> *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<Node<int> *, std::allocator<Node<int> *>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%class.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: 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) #0

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z19printLevelATNewLineP4NodeIiE(ptr noundef %0) #2 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 ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #6
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %10 unwind label %27

10:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store ptr null, ptr %6, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %11 unwind label %31

11:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %12

12:                                               ; preds = %75, %73, %11
  %13 = invoke noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %14 unwind label %27

14:                                               ; preds = %12
  %15 = xor i1 %13, true
  br i1 %15, label %16, label %77

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %18 unwind label %35

18:                                               ; preds = %16
  %19 = load ptr, ptr %17, align 8, !tbaa !5
  store ptr %19, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %20 unwind label %35

20:                                               ; preds = %18
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = icmp eq ptr %21, null
  br i1 %22, label %23, label %47

23:                                               ; preds = %20
  %24 = invoke noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
          to label %25 unwind label %35

25:                                               ; preds = %23
  br i1 %24, label %26, label %39

26:                                               ; preds = %25
  store i32 3, ptr %8, align 4
  br label %73

27:                                               ; preds = %12, %1
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %4, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %5, align 4
  br label %78

31:                                               ; preds = %10
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %4, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %78

35:                                               ; preds = %68, %59, %52, %47, %39, %23, %18, %16
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %4, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %5, align 4
  br label %76

39:                                               ; preds = %25
  %40 = 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 %41 unwind label %35

41:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store ptr null, ptr %9, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %42 unwind label %43

42:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  store i32 2, ptr %8, align 4
  br label %73, !llvm.loop !9

43:                                               ; preds = %41
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %4, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %76

47:                                               ; preds = %20
  %48 = load ptr, ptr %7, align 8, !tbaa !5
  %49 = getelementptr inbounds %class.Node, ptr %48, i32 0, i32 0
  %50 = load i32, ptr %49, align 8, !tbaa !11
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %50)
          to label %52 unwind label %35

52:                                               ; preds = %47
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @.str)
          to label %54 unwind label %35

54:                                               ; preds = %52
  %55 = load ptr, ptr %7, align 8, !tbaa !5
  %56 = getelementptr inbounds %class.Node, ptr %55, i32 0, i32 1
  %57 = load ptr, ptr %56, align 8, !tbaa !14
  %58 = icmp ne ptr %57, null
  br i1 %58, label %59, label %63

59:                                               ; preds = %54
  %60 = load ptr, ptr %7, align 8, !tbaa !5
  %61 = getelementptr inbounds %class.Node, ptr %60, i32 0, i32 1
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %61)
          to label %62 unwind label %35

62:                                               ; preds = %59
  br label %63

63:                                               ; preds = %62, %54
  %64 = load ptr, ptr %7, align 8, !tbaa !5
  %65 = getelementptr inbounds %class.Node, ptr %64, i32 0, i32 2
  %66 = load ptr, ptr %65, align 8, !tbaa !15
  %67 = icmp ne ptr %66, null
  br i1 %67, label %68, label %72

68:                                               ; preds = %63
  %69 = load ptr, ptr %7, align 8, !tbaa !5
  %70 = getelementptr inbounds %class.Node, ptr %69, i32 0, i32 2
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %70)
          to label %71 unwind label %35

71:                                               ; preds = %68
  br label %72

72:                                               ; preds = %71, %63
  store i32 0, ptr %8, align 4
  br label %73

73:                                               ; preds = %72, %42, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  %74 = load i32, ptr %8, align 4
  switch i32 %74, label %84 [
    i32 0, label %75
    i32 3, label %77
    i32 2, label %12
  ]

75:                                               ; preds = %73
  br label %12, !llvm.loop !9

76:                                               ; preds = %43, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %78

77:                                               ; preds = %73, %14
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  ret void

78:                                               ; preds = %76, %31, %27
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #6
  br label %79

79:                                               ; preds = %78
  %80 = load ptr, ptr %4, align 8
  %81 = load i32, ptr %5, align 4
  %82 = insertvalue { ptr, i32 } poison, ptr %80, 0
  %83 = insertvalue { ptr, i32 } %82, i32 %81, 1
  resume { ptr, i32 } %83

84:                                               ; preds = %73
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { 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 #1 = { "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 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS4NodeIiE", !13, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 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<int> *, std::allocator<Node<int> *>>::_Deque_impl" }
%"struct.std::_Deque_base<Node<int> *, std::allocator<Node<int> *>>::_Deque_impl" = type { %"struct.std::_Deque_base<Node<int> *, std::allocator<Node<int> *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<Node<int> *, std::allocator<Node<int> *>>::_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: 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 #0

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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 #2 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)) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z19printLevelATNewLineP4NodeIiE(ptr noundef %0) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #6
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %6 unwind label %14

6:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  store ptr null, ptr %4, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %7 unwind label %16

7:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %8 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %8, label %.thread, label %.lr.ph

.lr.ph:                                           ; preds = %7, %39
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %11 = icmp eq ptr %10, null
  br i1 %11, label %12, label %26

12:                                               ; preds = %.lr.ph
  %13 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %13, label %.thread, label %20

14:                                               ; preds = %1
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %41

16:                                               ; preds = %6
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %41

18:                                               ; preds = %38, %34, %29, %26, %20
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %41

20:                                               ; preds = %12
  %21 = 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 %22 unwind label %18

22:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  store ptr null, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %23 unwind label %24

23:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %39, !llvm.loop !9

24:                                               ; preds = %22
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %41

26:                                               ; preds = %.lr.ph
  %27 = load i32, ptr %10, align 8, !tbaa !11
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %27)
          to label %29 unwind label %18

29:                                               ; preds = %26
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef nonnull @.str)
          to label %31 unwind label %18

31:                                               ; preds = %29
  %32 = getelementptr inbounds i8, ptr %10, i64 8
  %33 = load ptr, ptr %32, align 8, !tbaa !14
  %.not = icmp eq ptr %33, null
  br i1 %.not, label %35, label %34

34:                                               ; preds = %31
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %32)
          to label %35 unwind label %18

35:                                               ; preds = %34, %31
  %36 = getelementptr inbounds i8, ptr %10, i64 16
  %37 = load ptr, ptr %36, align 8, !tbaa !15
  %.not12 = icmp eq ptr %37, null
  br i1 %.not12, label %39, label %38

38:                                               ; preds = %35
  invoke void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushERKS2_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 8 dereferenceable(8) %36)
          to label %39 unwind label %18

39:                                               ; preds = %35, %38, %23
  %40 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %40, label %.thread, label %.lr.ph

.thread:                                          ; preds = %39, %12, %7
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  ret void

41:                                               ; preds = %18, %24, %16, %14
  %.pn.pn = phi { ptr, i32 } [ %17, %16 ], [ %15, %14 ], [ %25, %24 ], [ %19, %18 ]
  call void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_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 uwtable
declare dso_local void @_ZNSt5queueIP4NodeIiESt5dequeIS2_SaIS2_EEE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { "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 = { 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 #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS4NodeIiE", !13, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 16}


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