; LLVM IR from xirc/cp-algorithm :: aoj/ITP2/ITP2-6A (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::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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z13binary_searchRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24), i32 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: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %12 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %20
  %22 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %24 unwind label %33

24:                                               ; preds = %0
  %25 = load i32, ptr %2, align 4, !tbaa !8
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %27 unwind label %37

27:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %28

28:                                               ; preds = %47, %27
  %29 = load i32, ptr %7, align 4, !tbaa !8
  %30 = load i32, ptr %2, align 4, !tbaa !8
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %41, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %54

33:                                               ; preds = %0
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %93

37:                                               ; preds = %24
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %4, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %93

41:                                               ; preds = %28
  %42 = load i32, ptr %7, align 4, !tbaa !8
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %43) #6
  %45 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %44)
          to label %46 unwind label %50

46:                                               ; preds = %41
  br label %47

47:                                               ; preds = %46
  %48 = load i32, ptr %7, align 4, !tbaa !8
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %7, align 4, !tbaa !8
  br label %28, !llvm.loop !11

50:                                               ; preds = %41
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %4, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %93

54:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %55 = 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 %56 unwind label %62

56:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !8
  br label %57

57:                                               ; preds = %78, %56
  %58 = load i32, ptr %9, align 4, !tbaa !8
  %59 = load i32, ptr %8, align 4, !tbaa !8
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %66, label %61

61:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %90

62:                                               ; preds = %54
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %4, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %5, align 4
  br label %92

66:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %67 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %68 unwind label %81

68:                                               ; preds = %66
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %69 = load i32, ptr %10, align 4, !tbaa !8
  %70 = call noundef zeroext i1 @_Z13binary_searchRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %3, i32 noundef %69)
  %71 = zext i1 %70 to i64
  %72 = select i1 %70, i32 1, i32 0
  store i32 %72, ptr %11, align 4, !tbaa !8
  %73 = load i32, ptr %11, align 4, !tbaa !8
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %73)
          to label %75 unwind label %85

75:                                               ; preds = %68
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %77 unwind label %85

77:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %78

78:                                               ; preds = %77
  %79 = load i32, ptr %9, align 4, !tbaa !8
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr %9, align 4, !tbaa !8
  br label %57, !llvm.loop !13

81:                                               ; preds = %66
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %4, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %5, align 4
  br label %89

85:                                               ; preds = %75, %68
  %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 4, ptr %11) #6
  br label %89

89:                                               ; preds = %85, %81
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %92

90:                                               ; preds = %61
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %91 = load i32, ptr %1, align 4
  ret i32 %91

92:                                               ; preds = %89, %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %93

93:                                               ; preds = %92, %50, %37, %33
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %94

94:                                               ; preds = %93
  %95 = load ptr, ptr %4, align 8
  %96 = load i32, ptr %5, align 4
  %97 = insertvalue { ptr, i32 } poison, ptr %95, 0
  %98 = insertvalue { ptr, i32 } %97, i32 %96, 1
  resume { ptr, i32 } %98
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z13binary_searchRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24), i32 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %7 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %8 = getelementptr i8, ptr %7, i64 -24
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %9
  %11 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %10, ptr noundef null)
  %12 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %14
  %16 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %18 unwind label %27

18:                                               ; preds = %0
  %19 = load i32, ptr %1, align 4, !tbaa !8
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %20, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %21 unwind label %29

21:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %22 = load i32, ptr %1, align 4, !tbaa !8
  %23 = icmp sgt i32 %22, 0
  br i1 %23, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %33, %21
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %24 = 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 %.preheader unwind label %39

.preheader:                                       ; preds = %._crit_edge
  %25 = load i32, ptr %4, align 4, !tbaa !8
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %.lr.ph19, label %._crit_edge20

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %59

29:                                               ; preds = %18
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %59

.lr.ph:                                           ; preds = %21, %33
  %indvars.iv = phi i64 [ %indvars.iv.next, %33 ], [ 0, %21 ]
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #6
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %31)
          to label %33 unwind label %37

33:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %34 = load i32, ptr %1, align 4, !tbaa !8
  %35 = sext i32 %34 to i64
  %36 = icmp slt i64 %indvars.iv.next, %35
  br i1 %36, label %.lr.ph, label %._crit_edge, !llvm.loop !11

37:                                               ; preds = %.lr.ph
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %59

._crit_edge20:                                    ; preds = %49, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

39:                                               ; preds = %._crit_edge
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %58

.lr.ph19:                                         ; preds = %.preheader, %49
  %.018 = phi i32 [ %50, %49 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %42 unwind label %53

42:                                               ; preds = %.lr.ph19
  %43 = load i32, ptr %5, align 4, !tbaa !8
  %44 = call noundef zeroext i1 @_Z13binary_searchRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef %43)
  %45 = zext i1 %44 to i32
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %45)
          to label %47 unwind label %55

47:                                               ; preds = %42
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %46, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %49 unwind label %55

49:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %50 = add nuw nsw i32 %.018, 1
  %51 = load i32, ptr %4, align 4, !tbaa !8
  %52 = icmp slt i32 %50, %51
  br i1 %52, label %.lr.ph19, label %._crit_edge20, !llvm.loop !13

53:                                               ; preds = %.lr.ph19
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %57

55:                                               ; preds = %47, %42
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %57

57:                                               ; preds = %55, %53
  %.pn = phi { ptr, i32 } [ %56, %55 ], [ %54, %53 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %58

58:                                               ; preds = %57, %39
  %.pn.pn = phi { ptr, i32 } [ %.pn, %57 ], [ %40, %39 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %59

59:                                               ; preds = %58, %37, %29, %27
  %.pn15 = phi { ptr, i32 } [ %38, %37 ], [ %.pn.pn, %58 ], [ %30, %29 ], [ %28, %27 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn15
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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 #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; 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 #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass