; LLVM IR from devparthgarg/Data-Structures-and-Algorithms :: 15. Binary Tree/16 Maximum Width of Binary Tree/16.ll (Z8maxWidthP4Node)

; 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::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 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8maxWidthP4Node(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %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 ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %1
  store i32 0, ptr %2, align 4
  br label %76

14:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr %5) #4
  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 %15 unwind label %33

15:                                               ; preds = %14
  br label %16

16:                                               ; preds = %71, %15
  %17 = invoke noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %18 unwind label %33

18:                                               ; preds = %16
  %19 = zext i1 %17 to i32
  %20 = icmp eq i32 %19, 0
  br i1 %20, label %21, label %73

21:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %22 = invoke noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %23 unwind label %37

23:                                               ; preds = %21
  %24 = trunc i64 %22 to i32
  store i32 %24, ptr %8, align 4, !tbaa !9
  %25 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %26 unwind label %37

26:                                               ; preds = %23
  %27 = load i32, ptr %25, align 4, !tbaa !9
  store i32 %27, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %68, %26
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = load i32, ptr %8, align 4, !tbaa !9
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %41, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %71

33:                                               ; preds = %16, %14
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %6, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %7, align 4
  br label %75

37:                                               ; preds = %23, %21
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %6, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %7, align 4
  br label %72

41:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %43 unwind label %54

43:                                               ; preds = %41
  %44 = load ptr, ptr %42, align 8, !tbaa !5
  store ptr %44, ptr %10, align 8, !tbaa !5
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %45 unwind label %54

45:                                               ; preds = %43
  %46 = load ptr, ptr %10, align 8, !tbaa !5
  %47 = getelementptr inbounds %class.Node, ptr %46, i32 0, i32 1
  %48 = load ptr, ptr %47, align 8, !tbaa !11
  %49 = icmp ne ptr %48, null
  br i1 %49, label %50, label %58

50:                                               ; preds = %45
  %51 = load ptr, ptr %10, align 8, !tbaa !5
  %52 = getelementptr inbounds %class.Node, ptr %51, i32 0, i32 1
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %52)
          to label %53 unwind label %54

53:                                               ; preds = %50
  br label %58

54:                                               ; preds = %63, %50, %43, %41
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %6, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %72

58:                                               ; preds = %53, %45
  %59 = load ptr, ptr %10, align 8, !tbaa !5
  %60 = getelementptr inbounds %class.Node, ptr %59, i32 0, i32 2
  %61 = load ptr, ptr %60, align 8, !tbaa !13
  %62 = icmp ne ptr %61, null
  br i1 %62, label %63, label %67

63:                                               ; preds = %58
  %64 = load ptr, ptr %10, align 8, !tbaa !5
  %65 = getelementptr inbounds %class.Node, ptr %64, i32 0, i32 2
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 8 dereferenceable(8) %65)
          to label %66 unwind label %54

66:                                               ; preds = %63
  br label %67

67:                                               ; preds = %66, %58
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %9, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %9, align 4, !tbaa !9
  br label %28, !llvm.loop !14

71:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %16, !llvm.loop !16

72:                                               ; preds = %54, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %75

73:                                               ; preds = %18
  %74 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %74, ptr %2, align 4
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %76

75:                                               ; preds = %72, %33
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %78

76:                                               ; preds = %73, %13
  %77 = load i32, ptr %2, align 4
  ret i32 %77

78:                                               ; preds = %75
  %79 = load ptr, ptr %6, align 8
  %80 = load i32, ptr %7, align 4
  %81 = insertvalue { ptr, i32 } poison, ptr %79, 0
  %82 = insertvalue { ptr, i32 } %81, i32 %80, 1
  resume { ptr, i32 } %82
}

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; 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: 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 #3 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 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 #4 = { 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, !6, i64 8}
!12 = !{!"_ZTS4Node", !10, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !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::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 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8maxWidthP4Node(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::queue", align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = icmp eq ptr %0, null
  br i1 %6, label %35, label %7

7:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #4
  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) %2)
          to label %.preheader unwind label %16

.preheader:                                       ; preds = %7
  %8 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %8, label %._crit_edge15, label %.lr.ph14

.lr.ph14:                                         ; preds = %.preheader, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  %9 = call noundef i64 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %10 = trunc i64 %9 to i32
  store i32 %10, ptr %5, align 4, !tbaa !9
  %11 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %12 = load i32, ptr %11, align 4, !tbaa !9
  store i32 %12, ptr %3, align 4, !tbaa !9
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %29, %.lr.ph14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %15 = call noundef zeroext i1 @_ZNKSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br i1 %15, label %._crit_edge15.loopexit, label %.lr.ph14, !llvm.loop !11

16:                                               ; preds = %7
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %34

.lr.ph:                                           ; preds = %.lr.ph14, %29
  %.0813 = phi i32 [ %30, %29 ], [ 0, %.lr.ph14 ]
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %20 = getelementptr inbounds i8, ptr %19, i64 8
  %21 = load ptr, ptr %20, align 8, !tbaa !13
  %.not = icmp eq ptr %21, null
  br i1 %.not, label %25, label %22

22:                                               ; preds = %.lr.ph
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %20)
          to label %25 unwind label %23

23:                                               ; preds = %28, %22
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  br label %34

25:                                               ; preds = %22, %.lr.ph
  %26 = getelementptr inbounds i8, ptr %19, i64 16
  %27 = load ptr, ptr %26, align 8, !tbaa !15
  %.not11 = icmp eq ptr %27, null
  br i1 %.not11, label %29, label %28

28:                                               ; preds = %25
  invoke void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 8 dereferenceable(8) %26)
          to label %29 unwind label %23

29:                                               ; preds = %28, %25
  %30 = add nuw nsw i32 %.0813, 1
  %31 = load i32, ptr %5, align 4, !tbaa !9
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !16

._crit_edge15.loopexit:                           ; preds = %._crit_edge
  %.pre = load i32, ptr %3, align 4, !tbaa !9
  br label %._crit_edge15

._crit_edge15:                                    ; preds = %._crit_edge15.loopexit, %.preheader
  %33 = phi i32 [ %.pre, %._crit_edge15.loopexit ], [ 0, %.preheader ]
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %35

34:                                               ; preds = %23, %16
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %17, %16 ]
  call void @_ZNSt5queueIP4NodeSt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn

35:                                               ; preds = %1, %._crit_edge15
  %.0 = phi i32 [ %33, %._crit_edge15 ], [ 0, %1 ]
  ret i32 %.0
}

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; 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: 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 #3 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 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 #4 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTS4Node", !10, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!14, !6, i64 16}
!16 = distinct !{!16, !12}


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