; LLVM IR from Aryansh-S/USACO :: USACO/2019/Open/Bronze (milk_factory)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::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" }

@N = external dso_local global i32, align 4
@vis = external dso_local global [100 x i8], align 16
@adj = external dso_local global [100 x %"class.std::vector"], align 16
@cnt = external dso_local global [100 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(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: 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 {
  %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
  store i32 0, ptr %1, align 4
  %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 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %10, ptr noundef null)
  %12 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @stdin, align 8, !tbaa !8
  %14 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.2, ptr noundef %13)
  %15 = load ptr, ptr @stdout, align 8, !tbaa !8
  %16 = call ptr @freopen(ptr noundef @.str.3, ptr noundef @.str.4, ptr noundef %15)
  %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) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  store i32 0, ptr %2, align 4, !tbaa !11
  br label %18

18:                                               ; preds = %35, %0
  %19 = load i32, ptr %2, align 4, !tbaa !11
  %20 = load i32, ptr @N, align 4, !tbaa !11
  %21 = sub nsw i32 %20, 1
  %22 = icmp slt i32 %19, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %38

24:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  %25 = 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)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %27 = load i32, ptr %3, align 4, !tbaa !11
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %3, align 4, !tbaa !11
  %29 = load i32, ptr %4, align 4, !tbaa !11
  %30 = add nsw i32 %29, -1
  store i32 %30, ptr %4, align 4, !tbaa !11
  %31 = load i32, ptr %3, align 4, !tbaa !11
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [100 x %"class.std::vector"], ptr @adj, i64 0, i64 %32
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE12emplace_backIJRiEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %33, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  br label %35

35:                                               ; preds = %24
  %36 = load i32, ptr %2, align 4, !tbaa !11
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %2, align 4, !tbaa !11
  br label %18, !llvm.loop !13

38:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  store i32 0, ptr %5, align 4, !tbaa !11
  br label %39

39:                                               ; preds = %46, %38
  %40 = load i32, ptr %5, align 4, !tbaa !11
  %41 = load i32, ptr @N, align 4, !tbaa !11
  %42 = icmp slt i32 %40, %41
  br i1 %42, label %44, label %43

43:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %49

44:                                               ; preds = %39
  %45 = load i32, ptr %5, align 4, !tbaa !11
  call void @_Z3dfsi(i32 noundef %45)
  call void @llvm.memset.p0.i64(ptr align 16 @vis, i8 0, i64 100, i1 false)
  br label %46

46:                                               ; preds = %44
  %47 = load i32, ptr %5, align 4, !tbaa !11
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %5, align 4, !tbaa !11
  br label %39, !llvm.loop !15

49:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 0, ptr %6, align 4, !tbaa !11
  br label %50

50:                                               ; preds = %68, %49
  %51 = load i32, ptr %6, align 4, !tbaa !11
  %52 = load i32, ptr @N, align 4, !tbaa !11
  %53 = icmp slt i32 %51, %52
  br i1 %53, label %55, label %54

54:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %71

55:                                               ; preds = %50
  %56 = load i32, ptr %6, align 4, !tbaa !11
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [100 x i32], ptr @cnt, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !11
  %60 = load i32, ptr @N, align 4, !tbaa !11
  %61 = icmp eq i32 %59, %60
  br i1 %61, label %62, label %67

62:                                               ; preds = %55
  %63 = load i32, ptr %6, align 4, !tbaa !11
  %64 = add nsw i32 %63, 1
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %64)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef @.str.5)
  call void @exit(i32 noundef 0) #9
  unreachable

67:                                               ; preds = %55
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %6, align 4, !tbaa !11
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %6, align 4, !tbaa !11
  br label %50, !llvm.loop !16

71:                                               ; preds = %54
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
  %73 = load i32, ptr %1, align 4
  ret i32 %73
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #3 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #4

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #4

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE12emplace_backIJRiEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #7

attributes #0 = { 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 #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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { noreturn 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 #8 = { nounwind }
attributes #9 = { noreturn 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 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::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" }

@N = external dso_local global i32, align 4
@vis = external dso_local local_unnamed_addr global [100 x i8], align 16
@adj = external dso_local global [100 x %"class.std::vector"], align 16
@cnt = external dso_local local_unnamed_addr global [100 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(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 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 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %4 = getelementptr i8, ptr %3, i64 -24
  %5 = load i64, ptr %4, align 8
  %6 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %5
  %7 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %6, ptr noundef null)
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @stdin, align 8, !tbaa !8
  %10 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.2, ptr noundef %9)
  %11 = load ptr, ptr @stdout, align 8, !tbaa !8
  %12 = tail call ptr @freopen(ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, ptr noundef %11)
  %13 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %14 = load i32, ptr @N, align 4, !tbaa !11
  %15 = icmp sgt i32 %14, 1
  br i1 %15, label %.lr.ph, label %.preheader13

.preheader13:                                     ; preds = %.lr.ph, %0
  %16 = phi i32 [ %14, %0 ], [ %28, %.lr.ph ]
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph17, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01115 = phi i32 [ %27, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %18 = 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)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %20 = load i32, ptr %1, align 4, !tbaa !11
  %21 = add nsw i32 %20, -1
  store i32 %21, ptr %1, align 4, !tbaa !11
  %22 = load i32, ptr %2, align 4, !tbaa !11
  %23 = add nsw i32 %22, -1
  store i32 %23, ptr %2, align 4, !tbaa !11
  %24 = sext i32 %21 to i64
  %25 = getelementptr inbounds [100 x %"class.std::vector"], ptr @adj, i64 0, i64 %24
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE12emplace_backIJRiEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24) %25, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  %27 = add nuw nsw i32 %.01115, 1
  %28 = load i32, ptr @N, align 4, !tbaa !11
  %29 = add nsw i32 %28, -1
  %30 = icmp slt i32 %27, %29
  br i1 %30, label %.lr.ph, label %.preheader13, !llvm.loop !13

.preheader:                                       ; preds = %.lr.ph17
  %31 = icmp sgt i32 %33, 0
  br i1 %31, label %.lr.ph19.preheader, label %._crit_edge

.lr.ph19.preheader:                               ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %33 to i64
  br label %.lr.ph19

.lr.ph17:                                         ; preds = %.preheader13, %.lr.ph17
  %.01016 = phi i32 [ %32, %.lr.ph17 ], [ 0, %.preheader13 ]
  call void @_Z3dfsi(i32 noundef %.01016)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(100) @vis, i8 0, i64 100, i1 false)
  %32 = add nuw nsw i32 %.01016, 1
  %33 = load i32, ptr @N, align 4, !tbaa !11
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %.lr.ph17, label %.preheader, !llvm.loop !15

._crit_edge:                                      ; preds = %44, %.preheader13, %.preheader
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.6)
  ret i32 0

.lr.ph19:                                         ; preds = %.lr.ph19.preheader, %44
  %indvars.iv = phi i64 [ 0, %.lr.ph19.preheader ], [ %indvars.iv.next, %44 ]
  %36 = getelementptr inbounds [100 x i32], ptr @cnt, i64 0, i64 %indvars.iv
  %37 = load i32, ptr %36, align 4, !tbaa !11
  %38 = icmp eq i32 %37, %33
  br i1 %38, label %39, label %44

39:                                               ; preds = %.lr.ph19
  %40 = trunc nuw nsw i64 %indvars.iv to i32
  %41 = add nuw nsw i32 %40, 1
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %41)
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @.str.5)
  call void @exit(i32 noundef 0) #9
  unreachable

44:                                               ; preds = %.lr.ph19
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph19, !llvm.loop !16
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #3 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #4

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #4

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 #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE12emplace_backIJRiEEES3_DpOT_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #7

attributes #0 = { 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 #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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "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 nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { noreturn 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 #8 = { nounwind }
attributes #9 = { noreturn 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 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


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