; LLVM IR from DionysiosB/CodeForces :: 1798A-Showstopper (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 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 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 %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %18

18:                                               ; preds = %145, %0
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = add nsw i64 %19, -1
  store i64 %20, ptr %2, align 8, !tbaa !5
  %21 = icmp ne i64 %19, 0
  br i1 %21, label %22, label %154

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %24 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %25 unwind label %31

25:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %40, %25
  %27 = load i64, ptr %8, align 8, !tbaa !5
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %47

31:                                               ; preds = %22
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %6, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %153

35:                                               ; preds = %26
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %36) #5
  %38 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %37)
          to label %39 unwind label %43

39:                                               ; preds = %35
  br label %40

40:                                               ; preds = %39
  %41 = load i64, ptr %8, align 8, !tbaa !5
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %8, align 8, !tbaa !5
  br label %26, !llvm.loop !9

43:                                               ; preds = %35
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %6, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %152

47:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #5
  %48 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %48, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %49 unwind label %55

49:                                               ; preds = %47
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  store i64 0, ptr %11, align 8, !tbaa !5
  br label %50

50:                                               ; preds = %64, %49
  %51 = load i64, ptr %11, align 8, !tbaa !5
  %52 = load i64, ptr %3, align 8, !tbaa !5
  %53 = icmp slt i64 %51, %52
  br i1 %53, label %59, label %54

54:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %71

55:                                               ; preds = %47
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  br label %151

59:                                               ; preds = %50
  %60 = load i64, ptr %11, align 8, !tbaa !5
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %60) #5
  %62 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %61)
          to label %63 unwind label %67

63:                                               ; preds = %59
  br label %64

64:                                               ; preds = %63
  %65 = load i64, ptr %11, align 8, !tbaa !5
  %66 = add nsw i64 %65, 1
  store i64 %66, ptr %11, align 8, !tbaa !5
  br label %50, !llvm.loop !11

67:                                               ; preds = %59
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %6, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %150

71:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %72

72:                                               ; preds = %124, %71
  %73 = load i64, ptr %14, align 8, !tbaa !5
  %74 = load i64, ptr %3, align 8, !tbaa !5
  %75 = icmp slt i64 %73, %74
  br i1 %75, label %77, label %76

76:                                               ; preds = %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %127

77:                                               ; preds = %72
  %78 = load i64, ptr %14, align 8, !tbaa !5
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %78) #5
  %80 = load i64, ptr %79, align 8, !tbaa !5
  %81 = load i64, ptr %14, align 8, !tbaa !5
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %81) #5
  %83 = load i64, ptr %82, align 8, !tbaa !5
  %84 = icmp sgt i64 %80, %83
  br i1 %84, label %85, label %97

85:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %86 = load i64, ptr %14, align 8, !tbaa !5
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %86) #5
  %88 = load i64, ptr %87, align 8, !tbaa !5
  store i64 %88, ptr %15, align 8, !tbaa !5
  %89 = load i64, ptr %14, align 8, !tbaa !5
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %89) #5
  %91 = load i64, ptr %90, align 8, !tbaa !5
  %92 = load i64, ptr %14, align 8, !tbaa !5
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %92) #5
  store i64 %91, ptr %93, align 8, !tbaa !5
  %94 = load i64, ptr %15, align 8, !tbaa !5
  %95 = load i64, ptr %14, align 8, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %95) #5
  store i64 %94, ptr %96, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %97

97:                                               ; preds = %85, %77
  %98 = load i64, ptr %12, align 8, !tbaa !5
  %99 = load i64, ptr %14, align 8, !tbaa !5
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %99) #5
  %101 = load i64, ptr %100, align 8, !tbaa !5
  %102 = icmp sgt i64 %98, %101
  br i1 %102, label %103, label %105

103:                                              ; preds = %97
  %104 = load i64, ptr %12, align 8, !tbaa !5
  br label %109

105:                                              ; preds = %97
  %106 = load i64, ptr %14, align 8, !tbaa !5
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %106) #5
  %108 = load i64, ptr %107, align 8, !tbaa !5
  br label %109

109:                                              ; preds = %105, %103
  %110 = phi i64 [ %104, %103 ], [ %108, %105 ]
  store i64 %110, ptr %12, align 8, !tbaa !5
  %111 = load i64, ptr %13, align 8, !tbaa !5
  %112 = load i64, ptr %14, align 8, !tbaa !5
  %113 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %112) #5
  %114 = load i64, ptr %113, align 8, !tbaa !5
  %115 = icmp sgt i64 %111, %114
  br i1 %115, label %116, label %118

116:                                              ; preds = %109
  %117 = load i64, ptr %13, align 8, !tbaa !5
  br label %122

118:                                              ; preds = %109
  %119 = load i64, ptr %14, align 8, !tbaa !5
  %120 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %119) #5
  %121 = load i64, ptr %120, align 8, !tbaa !5
  br label %122

122:                                              ; preds = %118, %116
  %123 = phi i64 [ %117, %116 ], [ %121, %118 ]
  store i64 %123, ptr %13, align 8, !tbaa !5
  br label %124

124:                                              ; preds = %122
  %125 = load i64, ptr %14, align 8, !tbaa !5
  %126 = add nsw i64 %125, 1
  store i64 %126, ptr %14, align 8, !tbaa !5
  br label %72, !llvm.loop !12

127:                                              ; preds = %76
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #5
  %128 = load i64, ptr %12, align 8, !tbaa !5
  %129 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %130 = load i64, ptr %129, align 8, !tbaa !5
  %131 = icmp eq i64 %128, %130
  br i1 %131, label %132, label %137

132:                                              ; preds = %127
  %133 = load i64, ptr %13, align 8, !tbaa !5
  %134 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %135 = load i64, ptr %134, align 8, !tbaa !5
  %136 = icmp eq i64 %133, %135
  br label %137

137:                                              ; preds = %132, %127
  %138 = phi i1 [ false, %127 ], [ %136, %132 ]
  %139 = zext i1 %138 to i8
  store i8 %139, ptr %16, align 1, !tbaa !13
  %140 = load i8, ptr %16, align 1, !tbaa !13, !range !15, !noundef !16
  %141 = trunc i8 %140 to i1
  %142 = zext i1 %141 to i64
  %143 = select i1 %141, ptr @.str.1, ptr @.str.2
  %144 = invoke i32 @puts(ptr noundef %143)
          to label %145 unwind label %146

145:                                              ; preds = %137
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  br label %18, !llvm.loop !17

146:                                              ; preds = %137
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %6, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %150

150:                                              ; preds = %146, %67
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  br label %151

151:                                              ; preds = %150, %55
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  br label %152

152:                                              ; preds = %151, %43
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %153

153:                                              ; preds = %152, %31
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %156

154:                                              ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %155 = load i32, ptr %1, align 4
  ret i32 %155

156:                                              ; preds = %153
  %157 = load ptr, ptr %6, align 8
  %158 = load i32, ptr %7, align 4
  %159 = insertvalue { ptr, i32 } poison, ptr %157, 0
  %160 = insertvalue { ptr, i32 } %159, i32 %158, 1
  resume { ptr, i32 } %160
}

; 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 @puts(ptr noundef) #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 = { 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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !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 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 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 %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %1, align 8, !tbaa !5
  %.not47 = icmp eq i64 %8, 0
  br i1 %.not47, label %._crit_edge50, label %.lr.ph49

.lr.ph49:                                         ; preds = %0, %.thread
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %15

12:                                               ; preds = %.lr.ph49
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %12
  %.lcssa = phi i64 [ %13, %12 ], [ %20, %.lr.ph ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.lcssa, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %22 unwind label %26

15:                                               ; preds = %.lr.ph49
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %76

.lr.ph:                                           ; preds = %12, %.lr.ph
  %.03336 = phi i64 [ %19, %.lr.ph ], [ 0, %12 ]
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03336) #5
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %17)
  %19 = add nuw nsw i64 %.03336, 1
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !9

22:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = icmp sgt i64 %23, 0
  br i1 %24, label %.lr.ph39, label %._crit_edge44

.preheader:                                       ; preds = %.lr.ph39
  %25 = icmp sgt i64 %31, 0
  br i1 %25, label %.lr.ph43, label %._crit_edge44

26:                                               ; preds = %._crit_edge
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %76

.lr.ph39:                                         ; preds = %22, %.lr.ph39
  %.03237 = phi i64 [ %30, %.lr.ph39 ], [ 0, %22 ]
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.03237) #5
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %28)
  %30 = add nuw nsw i64 %.03237, 1
  %31 = load i64, ptr %2, align 8, !tbaa !5
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %.lr.ph39, label %.preheader, !llvm.loop !11

._crit_edge44:                                    ; preds = %63, %22, %.preheader
  %.031.lcssa = phi i64 [ 0, %.preheader ], [ 0, %22 ], [ %56, %63 ]
  %.030.lcssa = phi i64 [ 0, %.preheader ], [ 0, %22 ], [ %64, %63 ]
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = icmp eq i64 %.031.lcssa, %34
  br i1 %35, label %68, label %.thread

.lr.ph43:                                         ; preds = %.preheader, %63
  %.02942 = phi i64 [ %65, %63 ], [ 0, %.preheader ]
  %.03041 = phi i64 [ %64, %63 ], [ 0, %.preheader ]
  %.03140 = phi i64 [ %56, %63 ], [ 0, %.preheader ]
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02942) #5
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02942) #5
  %39 = load i64, ptr %38, align 8, !tbaa !5
  %40 = icmp sgt i64 %37, %39
  br i1 %40, label %41, label %48

41:                                               ; preds = %.lr.ph43
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02942) #5
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02942) #5
  %45 = load i64, ptr %44, align 8, !tbaa !5
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02942) #5
  store i64 %45, ptr %46, align 8, !tbaa !5
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02942) #5
  store i64 %43, ptr %47, align 8, !tbaa !5
  br label %48

48:                                               ; preds = %41, %.lr.ph43
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02942) #5
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = icmp sgt i64 %.03140, %50
  br i1 %51, label %55, label %52

52:                                               ; preds = %48
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02942) #5
  %54 = load i64, ptr %53, align 8, !tbaa !5
  br label %55

55:                                               ; preds = %48, %52
  %56 = phi i64 [ %54, %52 ], [ %.03140, %48 ]
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02942) #5
  %58 = load i64, ptr %57, align 8, !tbaa !5
  %59 = icmp sgt i64 %.03041, %58
  br i1 %59, label %63, label %60

60:                                               ; preds = %55
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02942) #5
  %62 = load i64, ptr %61, align 8, !tbaa !5
  br label %63

63:                                               ; preds = %55, %60
  %64 = phi i64 [ %62, %60 ], [ %.03041, %55 ]
  %65 = add nuw nsw i64 %.02942, 1
  %66 = load i64, ptr %2, align 8, !tbaa !5
  %67 = icmp slt i64 %65, %66
  br i1 %67, label %.lr.ph43, label %._crit_edge44, !llvm.loop !12

68:                                               ; preds = %._crit_edge44
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %70 = load i64, ptr %69, align 8, !tbaa !5
  %71 = icmp eq i64 %.030.lcssa, %70
  %cond.fr = freeze i1 %71
  %spec.select = select i1 %cond.fr, ptr @.str.1, ptr @.str.2
  br label %.thread

.thread:                                          ; preds = %68, %._crit_edge44
  %72 = phi ptr [ @.str.2, %._crit_edge44 ], [ %spec.select, %68 ]
  %73 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %72)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %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_edge50, label %.lr.ph49, !llvm.loop !13

76:                                               ; preds = %26, %15
  %.pn = phi { ptr, i32 } [ %27, %26 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn

._crit_edge50:                                    ; preds = %.thread, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  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 @puts(ptr nocapture noundef readonly) local_unnamed_addr #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 = { 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 = { 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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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