; LLVM IR from DionysiosB/CodeForces :: 0800-0899 (803D-MagazineAd)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef, i64 noundef, i64 noundef) #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %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 %"class.std::vector", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %15 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
          to label %16 unwind label %24

16:                                               ; preds = %0
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %18 unwind label %24

18:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 -1, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %53, %18
  %20 = load i64, ptr %8, align 8, !tbaa !5
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %22 = icmp ult i64 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %61

24:                                               ; preds = %16, %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %4, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %5, align 4
  br label %108

28:                                               ; preds = %19
  %29 = load i64, ptr %8, align 8, !tbaa !5
  %30 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %29)
          to label %31 unwind label %43

31:                                               ; preds = %28
  %32 = load i8, ptr %30, align 1, !tbaa !9
  %33 = sext i8 %32 to i32
  %34 = icmp ne i32 %33, 32
  br i1 %34, label %35, label %47

35:                                               ; preds = %31
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %36)
          to label %38 unwind label %43

38:                                               ; preds = %35
  %39 = load i8, ptr %37, align 1, !tbaa !9
  %40 = sext i8 %39 to i32
  %41 = icmp ne i32 %40, 45
  br i1 %41, label %42, label %47

42:                                               ; preds = %38
  br label %53

43:                                               ; preds = %35, %28
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %4, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %5, align 4
  br label %60

47:                                               ; preds = %38, %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %48 = load i64, ptr %8, align 8, !tbaa !5
  %49 = load i64, ptr %7, align 8, !tbaa !5
  %50 = sub nsw i64 %48, %49
  store i64 %50, ptr %9, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %51 unwind label %56

51:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  %52 = load i64, ptr %8, align 8, !tbaa !5
  store i64 %52, ptr %7, align 8, !tbaa !5
  br label %53

53:                                               ; preds = %51, %42
  %54 = load i64, ptr %8, align 8, !tbaa !5
  %55 = add nsw i64 %54, 1
  store i64 %55, ptr %8, align 8, !tbaa !5
  br label %19, !llvm.loop !10

56:                                               ; preds = %47
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %4, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %60

60:                                               ; preds = %56, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %107

61:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %62 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %63 = load i64, ptr %7, align 8, !tbaa !5
  %64 = sub i64 %62, %63
  %65 = sub i64 %64, 1
  store i64 %65, ptr %10, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %66 unwind label %85

66:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %67 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %68 = add i64 %67, 1
  store i64 %68, ptr %12, align 8, !tbaa !5
  br label %69

69:                                               ; preds = %96, %66
  %70 = load i64, ptr %11, align 8, !tbaa !5
  %71 = load i64, ptr %12, align 8, !tbaa !5
  %72 = icmp sle i64 %70, %71
  br i1 %72, label %73, label %97

73:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %74 = load i64, ptr %11, align 8, !tbaa !5
  %75 = load i64, ptr %12, align 8, !tbaa !5
  %76 = add nsw i64 %74, %75
  %77 = sdiv i64 %76, 2
  store i64 %77, ptr %13, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %78 unwind label %89

78:                                               ; preds = %73
  %79 = load i64, ptr %13, align 8, !tbaa !5
  %80 = load i64, ptr %2, align 8, !tbaa !5
  %81 = call noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef %14, i64 noundef %79, i64 noundef %80)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br i1 %81, label %82, label %93

82:                                               ; preds = %78
  %83 = load i64, ptr %13, align 8, !tbaa !5
  %84 = sub nsw i64 %83, 1
  store i64 %84, ptr %12, align 8, !tbaa !5
  br label %96

85:                                               ; preds = %61
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %4, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %107

89:                                               ; preds = %73
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %4, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %106

93:                                               ; preds = %78
  %94 = load i64, ptr %13, align 8, !tbaa !5
  %95 = add nsw i64 %94, 1
  store i64 %95, ptr %11, align 8, !tbaa !5
  br label %96

96:                                               ; preds = %93, %82
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %69, !llvm.loop !12

97:                                               ; preds = %69
  %98 = load i64, ptr %11, align 8, !tbaa !5
  %99 = invoke i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %98)
          to label %100 unwind label %102

100:                                              ; preds = %97
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %101 = load i32, ptr %1, align 4
  ret i32 %101

102:                                              ; preds = %97
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %4, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %5, align 4
  br label %106

106:                                              ; preds = %102, %89
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %107

107:                                              ; preds = %106, %85, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  br label %108

108:                                              ; preds = %107, %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %109

109:                                              ; preds = %108
  %110 = load ptr, ptr %4, align 8
  %111 = load i32, ptr %5, align 4
  %112 = insertvalue { ptr, i32 } poison, ptr %110, 0
  %113 = insertvalue { ptr, i32 } %112, i32 %111, 1
  resume { ptr, i32 } %113
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 #3 = { "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 = { 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 #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 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %9 unwind label %14

9:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %.not43 = icmp eq i64 %10, 0
  br i1 %.not43, label %._crit_edge, label %.lr.ph

._crit_edge.loopexit:                             ; preds = %24
  %11 = xor i64 %.122, -1
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %9
  %.021.lcssa = phi i64 [ 0, %9 ], [ %11, %._crit_edge.loopexit ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %13 = add i64 %12, %.021.lcssa
  store i64 %13, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %30 unwind label %40

14:                                               ; preds = %0
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %46

.lr.ph:                                           ; preds = %9, %24
  %.02034 = phi i64 [ %25, %24 ], [ 0, %9 ]
  %.02133 = phi i64 [ %.122, %24 ], [ -1, %9 ]
  %16 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02034)
  %17 = load i8, ptr %16, align 1, !tbaa !9
  %.not27 = icmp eq i8 %17, 32
  br i1 %.not27, label %21, label %18

18:                                               ; preds = %.lr.ph
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02034)
  %20 = load i8, ptr %19, align 1, !tbaa !9
  %.not28 = icmp eq i8 %20, 45
  br i1 %.not28, label %21, label %24

21:                                               ; preds = %18, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %22 = sub nsw i64 %.02034, %.02133
  store i64 %22, ptr %4, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %23 unwind label %28

23:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %24

24:                                               ; preds = %18, %23
  %.122 = phi i64 [ %.02133, %18 ], [ %.02034, %23 ]
  %25 = add nuw nsw i64 %.02034, 1
  %26 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %27 = icmp ult i64 %25, %26
  br i1 %27, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !10

28:                                               ; preds = %21
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %45

30:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %32 = add i64 %31, 1
  %.not36 = icmp slt i64 %32, 0
  br i1 %.not36, label %._crit_edge41, label %.lr.ph40

.lr.ph40:                                         ; preds = %30, %33
  %.038 = phi i64 [ %.1, %33 ], [ %32, %30 ]
  %.01837 = phi i64 [ %.119, %33 ], [ 0, %30 ]
  invoke void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %33 unwind label %42

33:                                               ; preds = %.lr.ph40
  %34 = add nuw nsw i64 %.038, %.01837
  %35 = lshr i64 %34, 1
  %36 = load i64, ptr %1, align 8, !tbaa !5
  %37 = call noundef zeroext i1 @_Z5checkSt6vectorIlSaIlEEll(ptr noundef nonnull %6, i64 noundef %35, i64 noundef %36)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %38 = add nsw i64 %35, -1
  %39 = add nuw nsw i64 %35, 1
  %.119 = select i1 %37, i64 %.01837, i64 %39
  %.1 = select i1 %37, i64 %38, i64 %.038
  %.not = icmp sgt i64 %.119, %.1
  br i1 %.not, label %._crit_edge41, label %.lr.ph40, !llvm.loop !12

40:                                               ; preds = %._crit_edge
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %45

42:                                               ; preds = %.lr.ph40
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %45

._crit_edge41:                                    ; preds = %33, %30
  %.018.lcssa = phi i64 [ 0, %30 ], [ %.119, %33 ]
  %44 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %.018.lcssa)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

45:                                               ; preds = %42, %40, %28
  %.pn = phi { ptr, i32 } [ %29, %28 ], [ %43, %42 ], [ %41, %40 ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  br label %46

46:                                               ; preds = %45, %14
  %.pn.pn = phi { ptr, i32 } [ %.pn, %45 ], [ %15, %14 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 #3 = { 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 #4 = { 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 #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 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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