; LLVM IR from eyangch/competitive-programming :: USACOtraining/2.3/concom.ll (Z9prelimbfsiPSt3setIiSt4lessIiESaIiEEii)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = 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<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_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 nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; 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 { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #0

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #0 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: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9prelimbfsiPSt3setIiSt4lessIiESaIiEEii(i32 noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::set", align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"class.std::queue", align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca ptr, align 8
  %18 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %19 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %20 = alloca i32, align 4
  %21 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %22 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %23 = alloca %"struct.std::pair", align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %10) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %10) #4
  %24 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %10, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %25 unwind label %45

25:                                               ; preds = %4
  %26 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 0
  %27 = extractvalue { ptr, i8 } %24, 0
  store ptr %27, ptr %26, align 8
  %28 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 1
  %29 = extractvalue { ptr, i8 } %24, 1
  store i8 %29, ptr %28, align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr %14) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %14)
          to label %30 unwind label %49

30:                                               ; preds = %25
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %14, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %31 unwind label %53

31:                                               ; preds = %30
  br label %32

32:                                               ; preds = %110, %31
  %33 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %14)
          to label %34 unwind label %53

34:                                               ; preds = %32
  %35 = xor i1 %33, true
  br i1 %35, label %36, label %112

36:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  %37 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %14)
          to label %38 unwind label %57

38:                                               ; preds = %36
  %39 = load i32, ptr %37, align 4, !tbaa !5
  store i32 %39, ptr %15, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %14)
          to label %40 unwind label %57

40:                                               ; preds = %38
  %41 = load i32, ptr %15, align 4, !tbaa !5
  %42 = load i32, ptr %9, align 4, !tbaa !5
  %43 = icmp eq i32 %41, %42
  br i1 %43, label %44, label %61

44:                                               ; preds = %40
  store i1 true, ptr %5, align 1
  store i32 1, ptr %16, align 4
  br label %108

45:                                               ; preds = %4
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %11, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %12, align 4
  br label %117

49:                                               ; preds = %25
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %11, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %12, align 4
  br label %116

53:                                               ; preds = %32, %30
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %11, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %12, align 4
  br label %115

57:                                               ; preds = %38, %36
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %11, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %12, align 4
  br label %111

61:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %62 = load ptr, ptr %7, align 8, !tbaa !9
  %63 = load i32, ptr %15, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds %"class.std::set", ptr %62, i64 %64
  store ptr %65, ptr %17, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %66 = load ptr, ptr %17, align 8, !tbaa !9
  %67 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %66) #4
  %68 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %18, i32 0, i32 0
  store ptr %67, ptr %68, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %69 = load ptr, ptr %17, align 8, !tbaa !9
  %70 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %69) #4
  %71 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %19, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  br label %72

72:                                               ; preds = %100, %61
  %73 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 8 dereferenceable(8) %19) #4
  br i1 %73, label %75, label %74

74:                                               ; preds = %72
  store i32 4, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  br label %107

75:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #4
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #4
  %77 = load i32, ptr %76, align 4, !tbaa !5
  store i32 %77, ptr %20, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %78 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %10, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %79 unwind label %85

79:                                               ; preds = %75
  %80 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %21, i32 0, i32 0
  store ptr %78, ptr %80, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #4
  %81 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %10) #4
  %82 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  store ptr %81, ptr %82, align 8
  %83 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  br i1 %83, label %84, label %89

84:                                               ; preds = %79
  store i32 5, ptr %16, align 4
  br label %97

85:                                               ; preds = %75
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %11, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  br label %106

89:                                               ; preds = %79
  %90 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %10, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %91 unwind label %102

91:                                               ; preds = %89
  %92 = getelementptr inbounds { ptr, i8 }, ptr %23, i32 0, i32 0
  %93 = extractvalue { ptr, i8 } %90, 0
  store ptr %93, ptr %92, align 8
  %94 = getelementptr inbounds { ptr, i8 }, ptr %23, i32 0, i32 1
  %95 = extractvalue { ptr, i8 } %90, 1
  store i8 %95, ptr %94, align 8
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %14, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %96 unwind label %102

96:                                               ; preds = %91
  store i32 0, ptr %16, align 4
  br label %97

97:                                               ; preds = %96, %84
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  %98 = load i32, ptr %16, align 4
  switch i32 %98, label %123 [
    i32 0, label %99
    i32 5, label %100
  ]

99:                                               ; preds = %97
  br label %100

100:                                              ; preds = %99, %97
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #4
  br label %72

102:                                              ; preds = %91, %89
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %11, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %12, align 4
  br label %106

106:                                              ; preds = %102, %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  br label %111

107:                                              ; preds = %74
  store i32 0, ptr %16, align 4
  br label %108

108:                                              ; preds = %107, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  %109 = load i32, ptr %16, align 4
  switch i32 %109, label %113 [
    i32 0, label %110
  ]

110:                                              ; preds = %108
  br label %32, !llvm.loop !11

111:                                              ; preds = %106, %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %115

112:                                              ; preds = %34
  store i1 false, ptr %5, align 1
  store i32 1, ptr %16, align 4
  br label %113

113:                                              ; preds = %112, %108
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %14) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %14) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %10) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %10) #4
  %114 = load i1, ptr %5, align 1
  ret i1 %114

115:                                              ; preds = %111, %53
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %14) #4
  br label %116

116:                                              ; preds = %115, %49
  call void @llvm.lifetime.end.p0(i64 80, ptr %14) #4
  br label %117

117:                                              ; preds = %116, %45
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %10) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %10) #4
  br label %118

118:                                              ; preds = %117
  %119 = load ptr, ptr %11, align 8
  %120 = load i32, ptr %12, align 4
  %121 = insertvalue { ptr, i32 } poison, ptr %119, 0
  %122 = insertvalue { ptr, i32 } %121, i32 %120, 1
  resume { ptr, i32 } %122

123:                                              ; preds = %97
  unreachable
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, 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<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; 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 { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0 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: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9prelimbfsiPSt3setIiSt4lessIiESaIiEEii(i32 noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::set", align 8
  %7 = alloca %"class.std::queue", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 %2, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %6) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #4
  %13 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %14 unwind label %19

14:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %7) #4
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %15 unwind label %21

15:                                               ; preds = %14
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %.preheader unwind label %23

.preheader:                                       ; preds = %15
  %16 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  br i1 %16, label %.critedge, label %.lr.ph26

.lr.ph26:                                         ; preds = %.preheader, %._crit_edge
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %18 = load i32, ptr %17, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %.not = icmp eq i32 %18, %3
  br i1 %.not, label %.critedge, label %25

19:                                               ; preds = %4
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %51

21:                                               ; preds = %14
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %50

23:                                               ; preds = %15
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %49

25:                                               ; preds = %.lr.ph26
  %26 = sext i32 %18 to i64
  %27 = getelementptr inbounds %"class.std::set", ptr %1, i64 %26
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %28 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %27) #4
  store ptr %28, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %29 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %27) #4
  store ptr %29, ptr %9, align 8
  %30 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %30, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %43, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  %31 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  br i1 %31, label %.critedge, label %.lr.ph26, !llvm.loop !9

.lr.ph:                                           ; preds = %25, %43
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #4
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %33 = load i32, ptr %32, align 4, !tbaa !5
  store i32 %33, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %34 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %35 unwind label %38

35:                                               ; preds = %.lr.ph
  store ptr %34, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  %36 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #4
  store ptr %36, ptr %12, align 8
  %37 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br i1 %37, label %43, label %40

38:                                               ; preds = %.lr.ph
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br label %48

40:                                               ; preds = %35
  %41 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %42 unwind label %46

42:                                               ; preds = %40
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %43 unwind label %46

43:                                               ; preds = %42, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %45 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %45, label %.lr.ph, label %._crit_edge

46:                                               ; preds = %42, %40
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %48

48:                                               ; preds = %46, %38
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %39, %38 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br label %49

.critedge:                                        ; preds = %._crit_edge, %.lr.ph26, %.preheader
  %.lcssa = phi i1 [ false, %.preheader ], [ %.not, %._crit_edge ], [ true, %.lr.ph26 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #4
  ret i1 %.lcssa

49:                                               ; preds = %48, %23
  %.pn.pn = phi { ptr, i32 } [ %.pn, %48 ], [ %24, %23 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #4
  br label %50

50:                                               ; preds = %49, %21
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %49 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #4
  br label %51

51:                                               ; preds = %50, %19
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %50 ], [ %20, %19 ]
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #4
  resume { ptr, i32 } %.pn.pn.pn.pn
}

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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