; LLVM IR from DionysiosB/CodeForces :: 2075B-ArrayRecoloring (main)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::reverse_iterator", align 8
  %17 = alloca %"class.std::reverse_iterator", align 8
  %18 = alloca i64, align 8
  %19 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %21

21:                                               ; preds = %154, %152, %0
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = add nsw i64 %22, -1
  store i64 %23, ptr %2, align 8, !tbaa !5
  %24 = icmp ne i64 %22, 0
  br i1 %24, label %25, label %161

25:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %27 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %27, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %28 unwind label %34

28:                                               ; preds = %25
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 -1, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %73, %28
  %30 = load i64, ptr %10, align 8, !tbaa !5
  %31 = load i64, ptr %3, align 8, !tbaa !5
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %38, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %76

34:                                               ; preds = %25
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %7, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  br label %160

38:                                               ; preds = %29
  %39 = load i64, ptr %10, align 8, !tbaa !5
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %39) #6
  %41 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %40)
          to label %42 unwind label %46

42:                                               ; preds = %38
  %43 = load i64, ptr %4, align 8, !tbaa !5
  %44 = icmp sgt i64 %43, 1
  br i1 %44, label %45, label %50

45:                                               ; preds = %42
  br label %73

46:                                               ; preds = %38
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %7, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %159

50:                                               ; preds = %42
  %51 = load i64, ptr %10, align 8, !tbaa !5
  %52 = icmp sgt i64 %51, 0
  br i1 %52, label %53, label %72

53:                                               ; preds = %50
  %54 = load i64, ptr %10, align 8, !tbaa !5
  %55 = add nsw i64 %54, 1
  %56 = load i64, ptr %3, align 8, !tbaa !5
  %57 = icmp slt i64 %55, %56
  br i1 %57, label %58, label %72

58:                                               ; preds = %53
  %59 = load i64, ptr %9, align 8, !tbaa !5
  %60 = load i64, ptr %10, align 8, !tbaa !5
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %60) #6
  %62 = load i64, ptr %61, align 8, !tbaa !5
  %63 = icmp sgt i64 %59, %62
  br i1 %63, label %64, label %66

64:                                               ; preds = %58
  %65 = load i64, ptr %9, align 8, !tbaa !5
  br label %70

66:                                               ; preds = %58
  %67 = load i64, ptr %10, align 8, !tbaa !5
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %67) #6
  %69 = load i64, ptr %68, align 8, !tbaa !5
  br label %70

70:                                               ; preds = %66, %64
  %71 = phi i64 [ %65, %64 ], [ %69, %66 ]
  store i64 %71, ptr %9, align 8, !tbaa !5
  br label %72

72:                                               ; preds = %70, %53, %50
  br label %73

73:                                               ; preds = %72, %45
  %74 = load i64, ptr %10, align 8, !tbaa !5
  %75 = add nsw i64 %74, 1
  store i64 %75, ptr %10, align 8, !tbaa !5
  br label %29, !llvm.loop !9

76:                                               ; preds = %33
  %77 = load i64, ptr %4, align 8, !tbaa !5
  %78 = icmp eq i64 %77, 1
  br i1 %78, label %79, label %121

79:                                               ; preds = %76
  %80 = load i64, ptr %3, align 8, !tbaa !5
  %81 = icmp sgt i64 %80, 2
  br i1 %81, label %82, label %121

82:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %84 = load i64, ptr %83, align 8, !tbaa !5
  %85 = load i64, ptr %9, align 8, !tbaa !5
  %86 = add nsw i64 %84, %85
  store i64 %86, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %87 = load i64, ptr %9, align 8, !tbaa !5
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %89 = load i64, ptr %88, align 8, !tbaa !5
  %90 = add nsw i64 %87, %89
  store i64 %90, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %92 = load i64, ptr %91, align 8, !tbaa !5
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %94 = load i64, ptr %93, align 8, !tbaa !5
  %95 = add nsw i64 %92, %94
  store i64 %95, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %96 = load i64, ptr %11, align 8, !tbaa !5
  %97 = load i64, ptr %12, align 8, !tbaa !5
  %98 = icmp sgt i64 %96, %97
  br i1 %98, label %99, label %101

99:                                               ; preds = %82
  %100 = load i64, ptr %11, align 8, !tbaa !5
  br label %103

101:                                              ; preds = %82
  %102 = load i64, ptr %12, align 8, !tbaa !5
  br label %103

103:                                              ; preds = %101, %99
  %104 = phi i64 [ %100, %99 ], [ %102, %101 ]
  store i64 %104, ptr %14, align 8, !tbaa !5
  %105 = load i64, ptr %14, align 8, !tbaa !5
  %106 = load i64, ptr %13, align 8, !tbaa !5
  %107 = icmp sgt i64 %105, %106
  br i1 %107, label %108, label %110

108:                                              ; preds = %103
  %109 = load i64, ptr %14, align 8, !tbaa !5
  br label %112

110:                                              ; preds = %103
  %111 = load i64, ptr %13, align 8, !tbaa !5
  br label %112

112:                                              ; preds = %110, %108
  %113 = phi i64 [ %109, %108 ], [ %111, %110 ]
  store i64 %113, ptr %14, align 8, !tbaa !5
  %114 = load i64, ptr %14, align 8, !tbaa !5
  %115 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %114)
          to label %116 unwind label %117

116:                                              ; preds = %112
  store i32 2, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %152

117:                                              ; preds = %112
  %118 = landingpad { ptr, i32 }
          cleanup
  %119 = extractvalue { ptr, i32 } %118, 0
  store ptr %119, ptr %7, align 8
  %120 = extractvalue { ptr, i32 } %118, 1
  store i32 %120, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %159

121:                                              ; preds = %79, %76
  call void @_ZNSt6vectorIlSaIlEE6rbeginEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %16, ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @_ZNSt6vectorIlSaIlEE4rendEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %17, ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEEvT_S9_(ptr noundef %16, ptr noundef %17)
          to label %122 unwind label %135

122:                                              ; preds = %121
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  store i64 0, ptr %18, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  store i64 0, ptr %19, align 8, !tbaa !5
  br label %123

123:                                              ; preds = %145, %122
  %124 = load i64, ptr %19, align 8, !tbaa !5
  %125 = load i64, ptr %3, align 8, !tbaa !5
  %126 = icmp slt i64 %124, %125
  br i1 %126, label %127, label %132

127:                                              ; preds = %123
  %128 = load i64, ptr %19, align 8, !tbaa !5
  %129 = load i64, ptr %4, align 8, !tbaa !5
  %130 = add nsw i64 %129, 1
  %131 = icmp slt i64 %128, %130
  br label %132

132:                                              ; preds = %127, %123
  %133 = phi i1 [ false, %123 ], [ %131, %127 ]
  br i1 %133, label %139, label %134

134:                                              ; preds = %132
  store i32 7, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  br label %148

135:                                              ; preds = %121
  %136 = landingpad { ptr, i32 }
          cleanup
  %137 = extractvalue { ptr, i32 } %136, 0
  store ptr %137, ptr %7, align 8
  %138 = extractvalue { ptr, i32 } %136, 1
  store i32 %138, ptr %8, align 4
  br label %159

139:                                              ; preds = %132
  %140 = load i64, ptr %19, align 8, !tbaa !5
  %141 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %140) #6
  %142 = load i64, ptr %141, align 8, !tbaa !5
  %143 = load i64, ptr %18, align 8, !tbaa !11
  %144 = add nsw i64 %143, %142
  store i64 %144, ptr %18, align 8, !tbaa !11
  br label %145

145:                                              ; preds = %139
  %146 = load i64, ptr %19, align 8, !tbaa !5
  %147 = add nsw i64 %146, 1
  store i64 %147, ptr %19, align 8, !tbaa !5
  br label %123, !llvm.loop !13

148:                                              ; preds = %134
  %149 = load i64, ptr %18, align 8, !tbaa !11
  %150 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %149)
          to label %151 unwind label %155

151:                                              ; preds = %148
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  store i32 0, ptr %15, align 4
  br label %152

152:                                              ; preds = %151, %116
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  %153 = load i32, ptr %15, align 4
  switch i32 %153, label %168 [
    i32 0, label %154
    i32 2, label %21
  ]

154:                                              ; preds = %152
  br label %21, !llvm.loop !14

155:                                              ; preds = %148
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %7, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  br label %159

159:                                              ; preds = %155, %135, %117, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %160

160:                                              ; preds = %159, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %163

161:                                              ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %162 = load i32, ptr %1, align 4
  ret i32 %162

163:                                              ; preds = %160
  %164 = load ptr, ptr %7, align 8
  %165 = load i32, ptr %8, align 4
  %166 = insertvalue { ptr, i32 } poison, ptr %164, 0
  %167 = insertvalue { ptr, i32 } %166, i32 %165, 1
  resume { ptr, i32 } %167

168:                                              ; preds = %152
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEEvT_S9_(ptr noundef, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse 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 = { "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 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 = { 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 #5 = { 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 #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::reverse_iterator", align 8
  %7 = alloca %"class.std::reverse_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not46 = icmp eq i64 %9, 0
  br i1 %.not46, label %._crit_edge49, label %.lr.ph48

.lr.ph48:                                         ; preds = %0, %73
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  %12 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %12, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %23

13:                                               ; preds = %.lr.ph48
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %14 = load i64, ptr %2, align 8
  %15 = icmp sgt i64 %14, 0
  br i1 %15, label %16, label %._crit_edge.thread

16:                                               ; preds = %13
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #7
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %17)
  %.pre = load i64, ptr %2, align 8
  %19 = icmp sgt i64 %.pre, 1
  br i1 %19, label %.lr.ph, label %._crit_edge.thread

._crit_edge:                                      ; preds = %.lr.ph._crit_edge
  %20 = load i64, ptr %3, align 8, !tbaa !5
  %21 = icmp eq i64 %20, 1
  %22 = icmp sgt i64 %39, 2
  %or.cond = and i1 %22, %21
  br i1 %or.cond, label %41, label %._crit_edge.thread

23:                                               ; preds = %.lr.ph48
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %76

.lr.ph:                                           ; preds = %16, %.lr.ph._crit_edge
  %.03439 = phi i64 [ %.1, %.lr.ph._crit_edge ], [ -1, %16 ]
  %.03538 = phi i64 [ %29, %.lr.ph._crit_edge ], [ 1, %16 ]
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03538) #7
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %25)
  %27 = load i64, ptr %3, align 8, !tbaa !5
  %28 = icmp slt i64 %27, 2
  %29 = add nuw nsw i64 %.03538, 1
  %30 = load i64, ptr %2, align 8
  %31 = icmp slt i64 %29, %30
  %or.cond61 = select i1 %28, i1 %31, i1 false
  br i1 %or.cond61, label %32, label %.lr.ph._crit_edge

32:                                               ; preds = %.lr.ph
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03538) #7
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = icmp sgt i64 %.03439, %34
  br i1 %35, label %.lr.ph._crit_edge, label %36

36:                                               ; preds = %32
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03538) #7
  %38 = load i64, ptr %37, align 8, !tbaa !5
  br label %.lr.ph._crit_edge

.lr.ph._crit_edge:                                ; preds = %.lr.ph, %36, %32
  %.1 = phi i64 [ %38, %36 ], [ %.03439, %32 ], [ %.03439, %.lr.ph ]
  %39 = load i64, ptr %2, align 8
  %40 = icmp slt i64 %29, %39
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !9

41:                                               ; preds = %._crit_edge
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #7
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = add nsw i64 %43, %.1
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %46 = load i64, ptr %45, align 8, !tbaa !5
  %47 = add nsw i64 %46, %.1
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #7
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %51 = load i64, ptr %50, align 8, !tbaa !5
  %52 = add nsw i64 %51, %49
  %53 = call i64 @llvm.smax.i64(i64 %44, i64 %47)
  %54 = call i64 @llvm.smax.i64(i64 %53, i64 %52)
  %55 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %54)
  br label %73

._crit_edge.thread:                               ; preds = %16, %13, %._crit_edge
  call void @_ZNSt6vectorIlSaIlEE6rbeginEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @_ZNSt6vectorIlSaIlEE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEEvT_S9_(ptr noundef nonnull %6, ptr noundef nonnull %7)
          to label %.preheader unwind label %62

.preheader:                                       ; preds = %._crit_edge.thread
  %56 = load i64, ptr %2, align 8, !tbaa !5
  %57 = icmp sgt i64 %56, 0
  %58 = load i64, ptr %3, align 8
  %59 = icmp sgt i64 %58, -1
  %60 = select i1 %57, i1 %59, i1 false
  br i1 %60, label %.lr.ph43, label %._crit_edge44

._crit_edge44:                                    ; preds = %.lr.ph43, %.preheader
  %.031.lcssa = phi i64 [ 0, %.preheader ], [ %66, %.lr.ph43 ]
  %61 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %.031.lcssa)
  br label %73

62:                                               ; preds = %._crit_edge.thread
  %63 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %76

.lr.ph43:                                         ; preds = %.preheader, %.lr.ph43
  %.042 = phi i64 [ %67, %.lr.ph43 ], [ 0, %.preheader ]
  %.03141 = phi i64 [ %66, %.lr.ph43 ], [ 0, %.preheader ]
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.042) #7
  %65 = load i64, ptr %64, align 8, !tbaa !5
  %66 = add nsw i64 %65, %.03141
  %67 = add nuw nsw i64 %.042, 1
  %68 = load i64, ptr %2, align 8, !tbaa !5
  %69 = icmp slt i64 %67, %68
  %70 = load i64, ptr %3, align 8
  %71 = icmp slt i64 %.042, %70
  %72 = select i1 %69, i1 %71, i1 false
  br i1 %72, label %.lr.ph43, label %._crit_edge44, !llvm.loop !12

73:                                               ; preds = %._crit_edge44, %41
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  %74 = load i64, ptr %1, align 8, !tbaa !5
  %75 = add nsw i64 %74, -1
  store i64 %75, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %74, 0
  br i1 %.not, label %._crit_edge49, label %.lr.ph48

76:                                               ; preds = %62, %23
  %.pn = phi { ptr, i32 } [ %63, %62 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn

._crit_edge49:                                    ; preds = %73, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEEvT_S9_(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #6

attributes #0 = { mustprogress norecurse 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 = { nofree nounwind "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 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 = { 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 #5 = { 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 #6 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.peeled.count", i32 1}
!12 = distinct !{!12, !10}


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