; LLVM IR from brpapa/algorithms :: solutions/uri (1517)

; 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<T, std::allocator<T>>::_Vector_impl" }
%"struct.std::_Vector_base<T, std::allocator<T>>::_Vector_impl" = type { %"struct.std::_Vector_base<T, std::allocator<T>>::_Vector_impl_data" }
%"struct.std::_Vector_base<T, std::allocator<T>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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" }
%struct.T = type { i32, i32, i32 }

@v = external dso_local global %"class.std::vector", align 8
@memo = external dso_local global %"class.std::vector.0", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3lisi(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(12) ptr @_ZNSt6vectorI1TSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; 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() #4 {
  %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
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %struct.T, align 4
  %12 = alloca %struct.T, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %24
  %26 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %25, ptr noundef null)
  br label %27

27:                                               ; preds = %92, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  %28 = 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)
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %31 = load i32, ptr %2, align 4, !tbaa !8
  %32 = icmp ne i32 %31, 0
  br i1 %32, label %40, label %33

33:                                               ; preds = %27
  %34 = load i32, ptr %3, align 4, !tbaa !8
  %35 = icmp ne i32 %34, 0
  br i1 %35, label %40, label %36

36:                                               ; preds = %33
  %37 = load i32, ptr %4, align 4, !tbaa !8
  %38 = icmp ne i32 %37, 0
  br i1 %38, label %40, label %39

39:                                               ; preds = %36
  store i32 3, ptr %5, align 4
  br label %90

40:                                               ; preds = %36, %33, %27
  %41 = load i32, ptr %4, align 4, !tbaa !8
  %42 = add nsw i32 %41, 1
  %43 = sext i32 %42 to i64
  call void @_ZNSt6vectorI1TSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %43)
  %44 = load i32, ptr %4, align 4, !tbaa !8
  %45 = add nsw i32 %44, 1
  %46 = sext i32 %45 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 -1, ptr %6, align 4, !tbaa !8
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) @memo, i64 noundef %46, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 1, ptr %10, align 4, !tbaa !8
  br label %47

47:                                               ; preds = %63, %40
  %48 = load i32, ptr %10, align 4, !tbaa !8
  %49 = sext i32 %48 to i64
  %50 = call noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #8
  %51 = icmp ult i64 %49, %50
  br i1 %51, label %53, label %52

52:                                               ; preds = %47
  store i32 4, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %66

53:                                               ; preds = %47
  %54 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %54, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %56 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %55, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.start.p0(i64 12, ptr %11) #8
  %57 = load i32, ptr %7, align 4, !tbaa !8
  %58 = load i32, ptr %8, align 4, !tbaa !8
  %59 = load i32, ptr %9, align 4, !tbaa !8
  call void @_ZN1TC2Eiii(ptr noundef nonnull align 4 dereferenceable(12) %11, i32 noundef %57, i32 noundef %58, i32 noundef %59)
  %60 = load i32, ptr %10, align 4, !tbaa !8
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI1TSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %61) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %62, ptr align 4 %11, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 12, ptr %11) #8
  br label %63

63:                                               ; preds = %53
  %64 = load i32, ptr %10, align 4, !tbaa !8
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %10, align 4, !tbaa !8
  br label %47, !llvm.loop !12

66:                                               ; preds = %52
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %68 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %67, ptr noundef nonnull align 4 dereferenceable(4) %8)
  call void @llvm.lifetime.start.p0(i64 12, ptr %12) #8
  %69 = load i32, ptr %7, align 4, !tbaa !8
  %70 = load i32, ptr %8, align 4, !tbaa !8
  call void @_ZN1TC2Eiii(ptr noundef nonnull align 4 dereferenceable(12) %12, i32 noundef %69, i32 noundef %70, i32 noundef 0)
  %71 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI1TSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %71, ptr align 4 %12, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 12, ptr %12) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  store i32 0, ptr %13, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  store i32 0, ptr %14, align 4, !tbaa !8
  br label %72

72:                                               ; preds = %83, %66
  %73 = load i32, ptr %14, align 4, !tbaa !8
  %74 = sext i32 %73 to i64
  %75 = call noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #8
  %76 = icmp ult i64 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %72
  store i32 7, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  br label %86

78:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #8
  %79 = load i32, ptr %14, align 4, !tbaa !8
  %80 = call noundef i32 @_Z3lisi(i32 noundef %79)
  store i32 %80, ptr %15, align 4, !tbaa !8
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %15)
  %82 = load i32, ptr %81, align 4, !tbaa !8
  store i32 %82, ptr %13, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  br label %83

83:                                               ; preds = %78
  %84 = load i32, ptr %14, align 4, !tbaa !8
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %14, align 4, !tbaa !8
  br label %72, !llvm.loop !14

86:                                               ; preds = %77
  %87 = load i32, ptr %13, align 4, !tbaa !8
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %87)
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %88, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  store i32 0, ptr %5, align 4
  br label %90

90:                                               ; preds = %86, %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %91 = load i32, ptr %5, align 4
  switch i32 %91, label %94 [
    i32 0, label %92
    i32 3, label %93
  ]

92:                                               ; preds = %90
  br label %27, !llvm.loop !15

93:                                               ; preds = %90
  ret i32 0

94:                                               ; preds = %90
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 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)) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI1TSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; 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)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN1TC2Eiii(ptr noundef nonnull align 4 dereferenceable(12), i32 noundef, i32 noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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)) #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 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 = { inlinehint 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 = { 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 #5 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #7 = { 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 #8 = { 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 = !{i64 0, i64 4, !8, i64 4, i64 4, !8, i64 8, i64 4, !8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


; 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<T, std::allocator<T>>::_Vector_impl" }
%"struct.std::_Vector_base<T, std::allocator<T>>::_Vector_impl" = type { %"struct.std::_Vector_base<T, std::allocator<T>>::_Vector_impl_data" }
%"struct.std::_Vector_base<T, std::allocator<T>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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" }
%struct.T = type { i32, i32, i32 }

@v = external dso_local global %"class.std::vector", align 8
@memo = external dso_local global %"class.std::vector.0", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3lisi(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(12) ptr @_ZNSt6vectorI1TSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; 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 #4 {
  %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
  %7 = alloca i32, align 4
  %8 = alloca %struct.T, align 4
  %9 = alloca %struct.T, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = tail 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 = tail 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 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  br label %23

23:                                               ; preds = %._crit_edge19, %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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  %24 = 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)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %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) %3)
  %27 = load i32, ptr %1, align 4, !tbaa !8
  %28 = icmp ne i32 %27, 0
  %29 = load i32, ptr %2, align 4
  %30 = icmp ne i32 %29, 0
  %or.cond = select i1 %28, i1 true, i1 %30
  %31 = load i32, ptr %3, align 4
  %32 = icmp ne i32 %31, 0
  %or.cond3 = select i1 %or.cond, i1 true, i1 %32
  br i1 %or.cond3, label %33, label %65

33:                                               ; preds = %23
  %34 = add nsw i32 %31, 1
  %35 = sext i32 %34 to i64
  call void @_ZNSt6vectorI1TSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %35)
  %36 = load i32, ptr %3, align 4, !tbaa !8
  %37 = add nsw i32 %36, 1
  %38 = sext i32 %37 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  store i32 -1, ptr %4, align 4, !tbaa !8
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) @memo, i64 noundef %38, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  %39 = call noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #8
  %40 = icmp ugt i64 %39, 1
  br i1 %40, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %33
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %41, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %9) #8
  %43 = load i32, ptr %5, align 4, !tbaa !8
  %44 = load i32, ptr %6, align 4, !tbaa !8
  call void @_ZN1TC2Eiii(ptr noundef nonnull align 4 dereferenceable(12) %9, i32 noundef %43, i32 noundef %44, i32 noundef 0)
  %45 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI1TSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #8
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(12) %45, ptr noundef nonnull align 4 dereferenceable(12) %9, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %9) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #8
  store i32 0, ptr %10, align 4, !tbaa !8
  %46 = call noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #8
  %.not = icmp eq i64 %46, 0
  br i1 %.not, label %._crit_edge19, label %.lr.ph18

.lr.ph:                                           ; preds = %33, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %33 ]
  %47 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %47, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %49 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %8) #8
  %50 = load i32, ptr %5, align 4, !tbaa !8
  %51 = load i32, ptr %6, align 4, !tbaa !8
  %52 = load i32, ptr %7, align 4, !tbaa !8
  call void @_ZN1TC2Eiii(ptr noundef nonnull align 4 dereferenceable(12) %8, i32 noundef %50, i32 noundef %51, i32 noundef %52)
  %53 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI1TSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv) #8
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(12) %53, ptr noundef nonnull align 4 dereferenceable(12) %8, i64 12, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %54 = call noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #8
  %55 = icmp ugt i64 %54, %indvars.iv.next
  br i1 %55, label %.lr.ph, label %._crit_edge, !llvm.loop !12

.lr.ph18:                                         ; preds = %._crit_edge, %.lr.ph18
  %indvars.iv21 = phi i64 [ %indvars.iv.next22, %.lr.ph18 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #8
  %56 = trunc nuw nsw i64 %indvars.iv21 to i32
  %57 = call noundef i32 @_Z3lisi(i32 noundef %56)
  store i32 %57, ptr %11, align 4, !tbaa !8
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %59 = load i32, ptr %58, align 4, !tbaa !8
  store i32 %59, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #8
  %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
  %60 = call noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @v) #8
  %61 = icmp ugt i64 %60, %indvars.iv.next22
  br i1 %61, label %.lr.ph18, label %._crit_edge19, !llvm.loop !14

._crit_edge19:                                    ; preds = %.lr.ph18, %._crit_edge
  %62 = load i32, ptr %10, align 4, !tbaa !8
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %62)
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  br label %23

65:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 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 #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI1TSaIS0_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI1TSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN1TC2Eiii(ptr noundef nonnull align 4 dereferenceable(12), i32 noundef, i32 noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; 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 #0 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)) #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 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 = { inlinehint 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 = { 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 #5 = { "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #7 = { 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 #8 = { 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 = !{i64 0, i64 4, !8, i64 4, i64 4, !8, i64 8, i64 4, !8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


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