; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 29. Codeforces Problems (697D)

; 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::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::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solveRSt6vectorIiSaIiEES2_ii(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %14

14:                                               ; preds = %75, %0
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, -1
  store i32 %16, ptr %2, align 4, !tbaa !5
  %17 = icmp ne i32 %15, 0
  br i1 %17, label %18, label %83

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %19 = 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)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %22, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %23 unwind label %32

23:                                               ; preds = %18
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #5
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %26 unwind label %36

26:                                               ; preds = %23
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %46, %26
  %28 = load i32, ptr %11, align 4, !tbaa !5
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %40, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %53

32:                                               ; preds = %18
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %7, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #5
  br label %82

36:                                               ; preds = %23
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %7, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  br label %81

40:                                               ; preds = %27
  %41 = load i32, ptr %11, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %42) #5
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %43)
          to label %45 unwind label %49

45:                                               ; preds = %40
  br label %46

46:                                               ; preds = %45
  %47 = load i32, ptr %11, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %11, align 4, !tbaa !5
  br label %27, !llvm.loop !9

49:                                               ; preds = %40
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %7, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %80

53:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %54

54:                                               ; preds = %65, %53
  %55 = load i32, ptr %12, align 4, !tbaa !5
  %56 = load i32, ptr %3, align 4, !tbaa !5
  %57 = icmp slt i32 %55, %56
  br i1 %57, label %59, label %58

58:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %72

59:                                               ; preds = %54
  %60 = load i32, ptr %12, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %61) #5
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %62)
          to label %64 unwind label %68

64:                                               ; preds = %59
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %12, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %12, align 4, !tbaa !5
  br label %54, !llvm.loop !11

68:                                               ; preds = %59
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %7, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %80

72:                                               ; preds = %58
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = load i32, ptr %4, align 4, !tbaa !5
  invoke void @_Z5solveRSt6vectorIiSaIiEES2_ii(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef %73, i32 noundef %74)
          to label %75 unwind label %76

75:                                               ; preds = %72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %14, !llvm.loop !12

76:                                               ; preds = %72
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %7, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %8, align 4
  br label %80

80:                                               ; preds = %76, %68, %49
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  br label %81

81:                                               ; preds = %80, %36
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %82

82:                                               ; preds = %81, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %84

83:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  ret i32 0

84:                                               ; preds = %82
  %85 = load ptr, ptr %7, align 8
  %86 = load i32, ptr %8, align 4
  %87 = insertvalue { ptr, i32 } poison, ptr %85, 0
  %88 = insertvalue { ptr, i32 } %87, i32 %86, 1
  resume { ptr, i32 } %88
}

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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #0 align 2

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

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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { "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 = { 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}


; 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::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::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solveRSt6vectorIiSaIiEES2_ii(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, 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 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 #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %8 = 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)
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = add nsw i32 %9, -1
  store i32 %10, ptr %1, align 4, !tbaa !5
  %.not20 = icmp eq i32 %9, 0
  br i1 %.not20, label %._crit_edge23, label %.lr.ph22

.lr.ph22:                                         ; preds = %0, %43
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %22

15:                                               ; preds = %.lr.ph22
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #5
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %18 unwind label %24

18:                                               ; preds = %15
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %28
  %21 = icmp sgt i32 %29, 0
  br i1 %21, label %.lr.ph19, label %._crit_edge

22:                                               ; preds = %.lr.ph22
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %50

24:                                               ; preds = %15
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  br label %49

.lr.ph:                                           ; preds = %18, %28
  %indvars.iv = phi i64 [ %indvars.iv.next, %28 ], [ 0, %18 ]
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #5
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %26)
          to label %28 unwind label %32

28:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next, %30
  br i1 %31, label %.lr.ph, label %.preheader, !llvm.loop !9

32:                                               ; preds = %.lr.ph
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %48

._crit_edge:                                      ; preds = %37, %18, %.preheader
  %.lcssa = phi i32 [ %29, %.preheader ], [ %19, %18 ], [ %38, %37 ]
  %34 = load i32, ptr %3, align 4, !tbaa !5
  invoke void @_Z5solveRSt6vectorIiSaIiEES2_ii(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %6, i32 noundef %.lcssa, i32 noundef %34)
          to label %43 unwind label %46

.lr.ph19:                                         ; preds = %.preheader, %37
  %indvars.iv26 = phi i64 [ %indvars.iv.next27, %37 ], [ 0, %.preheader ]
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv26) #5
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %35)
          to label %37 unwind label %41

37:                                               ; preds = %.lr.ph19
  %indvars.iv.next27 = add nuw nsw i64 %indvars.iv26, 1
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = icmp slt i64 %indvars.iv.next27, %39
  br i1 %40, label %.lr.ph19, label %._crit_edge, !llvm.loop !11

41:                                               ; preds = %.lr.ph19
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %48

43:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  %44 = load i32, ptr %1, align 4, !tbaa !5
  %45 = add nsw i32 %44, -1
  store i32 %45, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %44, 0
  br i1 %.not, label %._crit_edge23, label %.lr.ph22, !llvm.loop !12

46:                                               ; preds = %._crit_edge
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %48

48:                                               ; preds = %46, %41, %32
  %.pn = phi { ptr, i32 } [ %33, %32 ], [ %42, %41 ], [ %47, %46 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %49

49:                                               ; preds = %48, %24
  %.pn.pn = phi { ptr, i32 } [ %.pn, %48 ], [ %25, %24 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %50

50:                                               ; preds = %49, %22
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %49 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn.pn

._crit_edge23:                                    ; preds = %43, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0
}

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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #0 align 2

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

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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { "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 = { 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass