; LLVM IR from eyangch/competitive-programming :: Codeforces/1363 (c)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %15 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %16 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %18
  %20 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %19, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %22

22:                                               ; preds = %117, %0
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = add nsw i32 %23, -1
  store i32 %24, ptr %2, align 4, !tbaa !8
  %25 = icmp ne i32 %23, 0
  br i1 %25, label %26, label %127

26:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %29 = load i32, ptr %4, align 4, !tbaa !8
  %30 = add nsw i32 %29, -1
  store i32 %30, ptr %4, align 4, !tbaa !8
  %31 = load i32, ptr %3, align 4, !tbaa !8
  %32 = zext i32 %31 to i64
  %33 = call ptr @llvm.stacksave.p0()
  store ptr %33, ptr %5, align 8
  %34 = alloca %"class.std::vector", i64 %32, align 16
  store i64 %32, ptr %6, align 8
  %35 = icmp eq i64 %32, 0
  br i1 %35, label %42, label %36

36:                                               ; preds = %26
  %37 = getelementptr inbounds %"class.std::vector", ptr %34, i64 %32
  br label %38

38:                                               ; preds = %38, %36
  %39 = phi ptr [ %34, %36 ], [ %40, %38 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %39) #7
  %40 = getelementptr inbounds %"class.std::vector", ptr %39, i64 1
  %41 = icmp eq ptr %40, %37
  br i1 %41, label %42, label %38

42:                                               ; preds = %38, %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %43

43:                                               ; preds = %68, %42
  %44 = load i32, ptr %7, align 4, !tbaa !8
  %45 = load i32, ptr %3, align 4, !tbaa !8
  %46 = sub nsw i32 %45, 1
  %47 = icmp slt i32 %44, %46
  br i1 %47, label %49, label %48

48:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %84

49:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %51 unwind label %71

51:                                               ; preds = %49
  %52 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %50, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %53 unwind label %71

53:                                               ; preds = %51
  %54 = load i32, ptr %8, align 4, !tbaa !8
  %55 = sub nsw i32 %54, 1
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds %"class.std::vector", ptr %34, i64 %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %58 = load i32, ptr %9, align 4, !tbaa !8
  %59 = sub nsw i32 %58, 1
  store i32 %59, ptr %12, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %57, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %60 unwind label %75

60:                                               ; preds = %53
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  %61 = load i32, ptr %9, align 4, !tbaa !8
  %62 = sub nsw i32 %61, 1
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds %"class.std::vector", ptr %34, i64 %63
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  %65 = load i32, ptr %8, align 4, !tbaa !8
  %66 = sub nsw i32 %65, 1
  store i32 %66, ptr %13, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %64, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %67 unwind label %79

67:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %7, align 4, !tbaa !8
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %7, align 4, !tbaa !8
  br label %43, !llvm.loop !11

71:                                               ; preds = %51, %49
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %10, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %11, align 4
  br label %83

75:                                               ; preds = %53
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %10, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %83

79:                                               ; preds = %60
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %10, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %83

83:                                               ; preds = %79, %75, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %119

84:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  %85 = load i32, ptr %4, align 4, !tbaa !8
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds %"class.std::vector", ptr %34, i64 %86
  %88 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %87) #7
  %89 = trunc i64 %88 to i32
  store i32 %89, ptr %14, align 4, !tbaa !8
  %90 = load i32, ptr %14, align 4, !tbaa !8
  %91 = icmp sle i32 %90, 1
  br i1 %91, label %96, label %92

92:                                               ; preds = %84
  %93 = load i32, ptr %3, align 4, !tbaa !8
  %94 = srem i32 %93, 2
  %95 = icmp eq i32 %94, 0
  br i1 %95, label %96, label %105

96:                                               ; preds = %92, %84
  %97 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %98 unwind label %101

98:                                               ; preds = %96
  %99 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %97, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %100 unwind label %101

100:                                              ; preds = %98
  br label %110

101:                                              ; preds = %107, %105, %98, %96
  %102 = landingpad { ptr, i32 }
          cleanup
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %10, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %119

105:                                              ; preds = %92
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %107 unwind label %101

107:                                              ; preds = %105
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %101

109:                                              ; preds = %107
  br label %110

110:                                              ; preds = %109, %100
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  %111 = getelementptr inbounds %"class.std::vector", ptr %34, i64 %32
  %112 = icmp eq ptr %34, %111
  br i1 %112, label %117, label %113

113:                                              ; preds = %113, %110
  %114 = phi ptr [ %111, %110 ], [ %115, %113 ]
  %115 = getelementptr inbounds %"class.std::vector", ptr %114, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %115) #7
  %116 = icmp eq ptr %115, %34
  br i1 %116, label %117, label %113

117:                                              ; preds = %113, %110
  %118 = load ptr, ptr %5, align 8
  call void @llvm.stackrestore.p0(ptr %118)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %22, !llvm.loop !13

119:                                              ; preds = %101, %83
  %120 = getelementptr inbounds %"class.std::vector", ptr %34, i64 %32
  %121 = icmp eq ptr %34, %120
  br i1 %121, label %126, label %122

122:                                              ; preds = %122, %119
  %123 = phi ptr [ %120, %119 ], [ %124, %122 ]
  %124 = getelementptr inbounds %"class.std::vector", ptr %123, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %124) #7
  %125 = icmp eq ptr %124, %34
  br i1 %125, label %126, label %122

126:                                              ; preds = %122, %119
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %128

127:                                              ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0

128:                                              ; preds = %126
  %129 = load ptr, ptr %10, align 8
  %130 = load i32, ptr %11, align 4
  %131 = insertvalue { ptr, i32 } poison, ptr %129, 0
  %132 = insertvalue { ptr, i32 } %131, i32 %130, 1
  resume { ptr, i32 } %132
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nosync nounwind willreturn }
attributes #5 = { 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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 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 i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %15 = load i32, ptr %1, align 4, !tbaa !8
  %16 = add nsw i32 %15, -1
  store i32 %16, ptr %1, align 4, !tbaa !8
  %.not30 = icmp eq i32 %15, 0
  br i1 %.not30, label %._crit_edge33, label %.lr.ph32

.lr.ph32:                                         ; preds = %0, %.loopexit14
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %19 = load i32, ptr %3, align 4, !tbaa !8
  %20 = add nsw i32 %19, -1
  store i32 %20, ptr %3, align 4, !tbaa !8
  %21 = load i32, ptr %2, align 4, !tbaa !8
  %22 = zext i32 %21 to i64
  %23 = call ptr @llvm.stacksave.p0()
  %24 = alloca %"class.std::vector", i64 %22, align 16
  %25 = icmp eq i32 %21, 0
  br i1 %25, label %.loopexit15, label %26

26:                                               ; preds = %.lr.ph32
  %27 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %22
  br label %28

28:                                               ; preds = %28, %26
  %29 = phi ptr [ %24, %26 ], [ %30, %28 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %29) #7
  %30 = getelementptr inbounds i8, ptr %29, i64 24
  %31 = icmp eq ptr %30, %27
  br i1 %31, label %.loopexit15, label %28

.loopexit15:                                      ; preds = %28, %.lr.ph32
  %invariant.gep = getelementptr i8, ptr %24, i64 -24
  %32 = load i32, ptr %2, align 4, !tbaa !8
  %33 = icmp sgt i32 %32, 1
  br i1 %33, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %53, %.loopexit15
  %34 = load i32, ptr %3, align 4, !tbaa !8
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %35
  %37 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %36) #7
  %38 = trunc i64 %37 to i32
  %39 = icmp slt i32 %38, 2
  br i1 %39, label %69, label %65

.lr.ph:                                           ; preds = %.loopexit15, %53
  %.029 = phi i32 [ %54, %53 ], [ 0, %.loopexit15 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %40 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %41 unwind label %58

41:                                               ; preds = %.lr.ph
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %43 unwind label %58

43:                                               ; preds = %41
  %44 = load i32, ptr %4, align 4, !tbaa !8
  %45 = sext i32 %44 to i64
  %gep = getelementptr %"class.std::vector", ptr %invariant.gep, i64 %45
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  %46 = load i32, ptr %5, align 4, !tbaa !8
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr %6, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %gep, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %48 unwind label %60

48:                                               ; preds = %43
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  %49 = load i32, ptr %5, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %gep28 = getelementptr %"class.std::vector", ptr %invariant.gep, i64 %50
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  %51 = load i32, ptr %4, align 4, !tbaa !8
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %7, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %gep28, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %53 unwind label %62

53:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  %54 = add nuw nsw i32 %.029, 1
  %55 = load i32, ptr %2, align 4, !tbaa !8
  %56 = add nsw i32 %55, -1
  %57 = icmp slt i32 %54, %56
  br i1 %57, label %.lr.ph, label %._crit_edge, !llvm.loop !11

58:                                               ; preds = %41, %.lr.ph
  %59 = landingpad { ptr, i32 }
          cleanup
  br label %64

60:                                               ; preds = %43
  %61 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %64

62:                                               ; preds = %48
  %63 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %64

64:                                               ; preds = %62, %60, %58
  %.pn = phi { ptr, i32 } [ %63, %62 ], [ %61, %60 ], [ %59, %58 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %82

65:                                               ; preds = %._crit_edge
  %66 = load i32, ptr %2, align 4, !tbaa !8
  %67 = and i32 %66, 1
  %68 = icmp eq i32 %67, 0
  br i1 %68, label %69, label %.invoke62

69:                                               ; preds = %65, %._crit_edge
  br label %.invoke62

70:                                               ; preds = %.invoke62, %.invoke
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %82

.invoke62:                                        ; preds = %65, %69
  %72 = phi ptr [ @.str, %69 ], [ @.str.1, %65 ]
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %72)
          to label %.invoke unwind label %70

.invoke:                                          ; preds = %.invoke62
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %73, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %75 unwind label %70

75:                                               ; preds = %.invoke
  br i1 %25, label %.loopexit14, label %.preheader13.preheader

.preheader13.preheader:                           ; preds = %75
  %76 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %22
  br label %.preheader13

.preheader13:                                     ; preds = %.preheader13.preheader, %.preheader13
  %77 = phi ptr [ %78, %.preheader13 ], [ %76, %.preheader13.preheader ]
  %78 = getelementptr inbounds i8, ptr %77, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %78) #7
  %79 = icmp eq ptr %78, %24
  br i1 %79, label %.loopexit14, label %.preheader13

.loopexit14:                                      ; preds = %.preheader13, %75
  call void @llvm.stackrestore.p0(ptr %23)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %80 = load i32, ptr %1, align 4, !tbaa !8
  %81 = add nsw i32 %80, -1
  store i32 %81, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %80, 0
  br i1 %.not, label %._crit_edge33, label %.lr.ph32, !llvm.loop !13

82:                                               ; preds = %70, %64
  %.pn.pn = phi { ptr, i32 } [ %.pn, %64 ], [ %71, %70 ]
  br i1 %25, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %82
  %83 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %22
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %84 = phi ptr [ %85, %.preheader ], [ %83, %.preheader.preheader ]
  %85 = getelementptr inbounds i8, ptr %84, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %85) #7
  %86 = icmp eq ptr %85, %24
  br i1 %86, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %82
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn

._crit_edge33:                                    ; preds = %.loopexit14, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #5 = { 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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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