; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2020-21/Dec/Bronze (daisy)

; 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::__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::allocator" = type { i8 }
%"class.std::vector.3" = 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 }
%"class.std::allocator.4" = type { i8 }

@N = external dso_local global i32, align 4
@.str.10 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5setIONSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector.3", align 8
  %7 = alloca %"class.std::allocator.4", align 1
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i8, align 1
  %16 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef @.str.10, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %17 unwind label %28

17:                                               ; preds = %0
  invoke void @_Z5setIONSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %2)
          to label %18 unwind label %32

18:                                               ; preds = %17
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #4
  call void @_Z2reIiEvRT_(ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  %19 = load i32, ptr @N, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %21 unwind label %37

21:                                               ; preds = %18
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  invoke void @_Z2reIiEvRSt6vectorIT_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %22 unwind label %41

22:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %99, %22
  %24 = load i32, ptr %9, align 4, !tbaa !5
  %25 = load i32, ptr @N, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %45, label %27

27:                                               ; preds = %23
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %102

28:                                               ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %4, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %5, align 4
  br label %36

32:                                               ; preds = %17
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %4, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  br label %36

36:                                               ; preds = %32, %28
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #4
  br label %111

37:                                               ; preds = %18
  %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 @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  br label %110

41:                                               ; preds = %21
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %4, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %5, align 4
  br label %109

45:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %46 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %46, ptr %13, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %95, %45
  %48 = load i32, ptr %13, align 4, !tbaa !5
  %49 = load i32, ptr @N, align 4, !tbaa !5
  %50 = icmp slt i32 %48, %49
  br i1 %50, label %52, label %51

51:                                               ; preds = %47
  store i32 5, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %98

52:                                               ; preds = %47
  %53 = load i32, ptr %13, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %54) #4
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = load i32, ptr %11, align 4, !tbaa !5
  %58 = add nsw i32 %57, %56
  store i32 %58, ptr %11, align 4, !tbaa !5
  %59 = load i32, ptr %12, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %12, align 4, !tbaa !5
  %61 = load i32, ptr %11, align 4, !tbaa !5
  %62 = load i32, ptr %12, align 4, !tbaa !5
  %63 = srem i32 %61, %62
  %64 = icmp eq i32 %63, 0
  br i1 %64, label %65, label %94

65:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %66 = load i32, ptr %11, align 4, !tbaa !5
  %67 = load i32, ptr %12, align 4, !tbaa !5
  %68 = sdiv i32 %66, %67
  store i32 %68, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #4
  store i8 0, ptr %15, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  %69 = load i32, ptr %9, align 4, !tbaa !5
  store i32 %69, ptr %16, align 4, !tbaa !5
  br label %70

70:                                               ; preds = %85, %65
  %71 = load i32, ptr %16, align 4, !tbaa !5
  %72 = load i32, ptr %13, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  %74 = icmp slt i32 %71, %73
  br i1 %74, label %76, label %75

75:                                               ; preds = %70
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  br label %88

76:                                               ; preds = %70
  %77 = load i32, ptr %16, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %78) #4
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %81 = load i32, ptr %14, align 4, !tbaa !5
  %82 = icmp eq i32 %80, %81
  br i1 %82, label %83, label %84

83:                                               ; preds = %76
  store i8 1, ptr %15, align 1, !tbaa !9
  br label %84

84:                                               ; preds = %83, %76
  br label %85

85:                                               ; preds = %84
  %86 = load i32, ptr %16, align 4, !tbaa !5
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %16, align 4, !tbaa !5
  br label %70, !llvm.loop !11

88:                                               ; preds = %75
  %89 = load i8, ptr %15, align 1, !tbaa !9, !range !13, !noundef !14
  %90 = trunc i8 %89 to i1
  %91 = zext i1 %90 to i32
  %92 = load i32, ptr %8, align 4, !tbaa !5
  %93 = add nsw i32 %92, %91
  store i32 %93, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %94

94:                                               ; preds = %88, %52
  br label %95

95:                                               ; preds = %94
  %96 = load i32, ptr %13, align 4, !tbaa !5
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %13, align 4, !tbaa !5
  br label %47, !llvm.loop !15

98:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %99

99:                                               ; preds = %98
  %100 = load i32, ptr %9, align 4, !tbaa !5
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %9, align 4, !tbaa !5
  br label %23, !llvm.loop !16

102:                                              ; preds = %27
  invoke void @_Z2psIiJEEvRKT_DpRKT0_(ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %103 unwind label %105

103:                                              ; preds = %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  %104 = load i32, ptr %1, align 4
  ret i32 %104

105:                                              ; preds = %102
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %4, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %109

109:                                              ; preds = %105, %41
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  br label %110

110:                                              ; preds = %109, %37
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  br label %111

111:                                              ; preds = %110, %36
  %112 = load ptr, ptr %4, align 8
  %113 = load i32, ptr %5, align 4
  %114 = insertvalue { ptr, i32 } poison, ptr %112, 0
  %115 = insertvalue { ptr, i32 } %114, i32 %113, 1
  resume { ptr, i32 } %115
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2reIiEvRT_(ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2reIiEvRSt6vectorIT_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24)) #2

; 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) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2psIiJEEvRKT_DpRKT0_(ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !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::__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::allocator" = type { i8 }
%"class.std::vector.3" = 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 }
%"class.std::allocator.4" = type { i8 }

@N = external dso_local global i32, align 4
@.str.10 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5setIONSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::allocator", align 1
  %3 = alloca %"class.std::vector.3", align 8
  %4 = alloca %"class.std::allocator.4", align 1
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.10, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %6 unwind label %18

6:                                                ; preds = %0
  invoke void @_Z5setIONSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %1)
          to label %7 unwind label %20

7:                                                ; preds = %6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #4
  call void @_Z2reIiEvRT_(ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %8 = load i32, ptr @N, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %10 unwind label %23

10:                                               ; preds = %7
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  invoke void @_Z2reIiEvRSt6vectorIT_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %11 unwind label %25

11:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  %12 = load i32, ptr @N, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.preheader, label %._crit_edge47

.preheader:                                       ; preds = %11, %._crit_edge45
  %14 = phi i32 [ %27, %._crit_edge45 ], [ %12, %11 ]
  %15 = phi i32 [ %28, %._crit_edge45 ], [ 0, %11 ]
  %indvars.iv54 = phi i64 [ %indvars.iv.next55, %._crit_edge45 ], [ 1, %11 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge45 ], [ 0, %11 ]
  %16 = sext i32 %14 to i64
  %17 = icmp slt i64 %indvars.iv, %16
  br i1 %17, label %.lr.ph44, label %._crit_edge45

._crit_edge47:                                    ; preds = %._crit_edge45, %11
  invoke void @_Z2psIiJEEvRKT_DpRKT0_(ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %50 unwind label %51

18:                                               ; preds = %0
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %22

20:                                               ; preds = %6
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  br label %22

22:                                               ; preds = %20, %18
  %.pn = phi { ptr, i32 } [ %21, %20 ], [ %19, %18 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #4
  br label %55

23:                                               ; preds = %7
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %54

25:                                               ; preds = %10
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %53

._crit_edge45:                                    ; preds = %45, %.preheader
  %.pre-phi = phi i64 [ %16, %.preheader ], [ %48, %45 ]
  %27 = phi i32 [ %14, %.preheader ], [ %47, %45 ]
  %28 = phi i32 [ %15, %.preheader ], [ %46, %45 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = icmp slt i64 %indvars.iv.next, %.pre-phi
  %indvars.iv.next55 = add nuw nsw i64 %indvars.iv54, 1
  br i1 %29, label %.preheader, label %._crit_edge47, !llvm.loop !9

.lr.ph44:                                         ; preds = %.preheader, %45
  %30 = phi i32 [ %46, %45 ], [ %15, %.preheader ]
  %indvars.iv58 = phi i64 [ %indvars.iv.next59, %45 ], [ %indvars.iv, %.preheader ]
  %indvars.iv56 = phi i64 [ %indvars.iv.next57, %45 ], [ %indvars.iv54, %.preheader ]
  %.02541 = phi i32 [ %34, %45 ], [ 0, %.preheader ]
  %.02640 = phi i32 [ %33, %45 ], [ 0, %.preheader ]
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv58) #4
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = add nsw i32 %32, %.02640
  %34 = add nuw nsw i32 %.02541, 1
  %35 = srem i32 %33, %34
  %36 = sdiv i32 %33, %34
  %37 = icmp eq i32 %35, 0
  br i1 %37, label %38, label %45

38:                                               ; preds = %.lr.ph44
  %.not37 = icmp ugt i64 %indvars.iv, %indvars.iv58
  br i1 %.not37, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %38
  %.021.lcssa = phi i8 [ 0, %38 ], [ %spec.select, %.lr.ph ]
  %39 = and i8 %.021.lcssa, 1
  %40 = zext nneg i8 %39 to i32
  %41 = add nsw i32 %30, %40
  store i32 %41, ptr %5, align 4, !tbaa !5
  br label %45

.lr.ph:                                           ; preds = %38, %.lr.ph
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %.lr.ph ], [ %indvars.iv, %38 ]
  %.02138 = phi i8 [ %spec.select, %.lr.ph ], [ 0, %38 ]
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv48) #4
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = icmp eq i32 %43, %36
  %spec.select = select i1 %44, i8 1, i8 %.02138
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next49, %indvars.iv56
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

45:                                               ; preds = %.lr.ph44, %._crit_edge
  %46 = phi i32 [ %30, %.lr.ph44 ], [ %41, %._crit_edge ]
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %47 = load i32, ptr @N, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = icmp slt i64 %indvars.iv.next59, %48
  %indvars.iv.next57 = add nuw nsw i64 %indvars.iv56, 1
  br i1 %49, label %.lr.ph44, label %._crit_edge45, !llvm.loop !12

50:                                               ; preds = %._crit_edge47
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  ret i32 0

51:                                               ; preds = %._crit_edge47
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  br label %53

53:                                               ; preds = %51, %25
  %.pn33 = phi { ptr, i32 } [ %52, %51 ], [ %26, %25 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %54

54:                                               ; preds = %53, %23
  %.pn33.pn = phi { ptr, i32 } [ %.pn33, %53 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  br label %55

55:                                               ; preds = %54, %22
  %.pn33.pn.pn = phi { ptr, i32 } [ %.pn33.pn, %54 ], [ %.pn, %22 ]
  resume { ptr, i32 } %.pn33.pn.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2reIiEvRT_(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2reIiEvRSt6vectorIT_SaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2

; 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 #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2psIiJEEvRKT_DpRKT0_(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { 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 = !{!"int", !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}


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