; LLVM IR from amritansh22/Data-Structures-and-Algorithms-in-cpp :: Graph (topologicalSortShwetank)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5checkiRSt6vectorIiSaIiEEPS1_(i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) #0

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

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8topoSortiPSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, i32 noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 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 i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %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 = %70, %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 %89

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  %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) %4)
  %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) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = zext i32 %21 to i64
  %23 = call ptr @llvm.stacksave.p0()
  store ptr %23, ptr %7, align 8
  %24 = alloca %"class.std::vector", i64 %22, align 16
  store i64 %22, ptr %8, align 8
  %25 = icmp eq i64 %22, 0
  br i1 %25, label %32, label %26

26:                                               ; preds = %18
  %27 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %22
  br label %28

28:                                               ; preds = %28, %26
  %29 = phi ptr [ %24, %26 ], [ %30, %28 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %29) #7
  %30 = getelementptr inbounds %"class.std::vector", ptr %29, i64 1
  %31 = icmp eq ptr %30, %27
  br i1 %31, label %32, label %28

32:                                               ; preds = %28, %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %47, %32
  %34 = load i32, ptr %9, align 4, !tbaa !5
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %54

38:                                               ; preds = %33
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %40 unwind label %50

40:                                               ; preds = %38
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %42 unwind label %50

42:                                               ; preds = %40
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %44
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %46 unwind label %50

46:                                               ; preds = %42
  br label %47

47:                                               ; preds = %46
  %48 = load i32, ptr %9, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %9, align 4, !tbaa !5
  br label %33, !llvm.loop !9

50:                                               ; preds = %42, %40, %38
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %10, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %81

54:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #7
  %55 = load i32, ptr %3, align 4, !tbaa !5
  invoke void @_Z8topoSortiPSt6vectorIiSaIiEE(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %12, i32 noundef %55, ptr noundef %24)
          to label %56 unwind label %72

56:                                               ; preds = %54
  %57 = load i32, ptr %3, align 4, !tbaa !5
  %58 = invoke noundef zeroext i1 @_Z5checkiRSt6vectorIiSaIiEEPS1_(i32 noundef %57, ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef %24)
          to label %59 unwind label %76

59:                                               ; preds = %56
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i1 noundef zeroext %58)
          to label %61 unwind label %76

61:                                               ; preds = %59
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %63 unwind label %76

63:                                               ; preds = %61
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  %64 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %22
  %65 = icmp eq ptr %24, %64
  br i1 %65, label %70, label %66

66:                                               ; preds = %66, %63
  %67 = phi ptr [ %64, %63 ], [ %68, %66 ]
  %68 = getelementptr inbounds %"class.std::vector", ptr %67, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %68) #7
  %69 = icmp eq ptr %68, %24
  br i1 %69, label %70, label %66

70:                                               ; preds = %66, %63
  %71 = load ptr, ptr %7, align 8
  call void @llvm.stackrestore.p0(ptr %71)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %14, !llvm.loop !11

72:                                               ; preds = %54
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %10, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %11, align 4
  br label %80

76:                                               ; preds = %61, %59, %56
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %10, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %11, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %80

80:                                               ; preds = %76, %72
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  br label %81

81:                                               ; preds = %80, %50
  %82 = getelementptr inbounds %"class.std::vector", ptr %24, i64 %22
  %83 = icmp eq ptr %24, %82
  br i1 %83, label %88, label %84

84:                                               ; preds = %84, %81
  %85 = phi ptr [ %82, %81 ], [ %86, %84 ]
  %86 = getelementptr inbounds %"class.std::vector", ptr %85, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %86) #7
  %87 = icmp eq ptr %86, %24
  br i1 %87, label %88, label %84

88:                                               ; preds = %84, %81
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %91

89:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %90 = load i32, ptr %1, align 4
  ret i32 %90

91:                                               ; preds = %88
  %92 = load ptr, ptr %10, align 8
  %93 = load i32, ptr %11, align 4
  %94 = insertvalue { ptr, i32 } poison, ptr %92, 0
  %95 = insertvalue { ptr, i32 } %94, i32 %93, 1
  resume { ptr, i32 } %95
}

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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext) #0 align 2

; 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)) #6

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 = { nocallback nofree nosync nounwind willreturn }
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 = { 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 = { 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}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5checkiRSt6vectorIiSaIiEEPS1_(i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr 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

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8topoSortiPSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(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 nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 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 i32, align 4
  %6 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %7 = 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)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = add nsw i32 %8, -1
  store i32 %9, ptr %1, align 4, !tbaa !5
  %.not26 = icmp eq i32 %8, 0
  br i1 %.not26, label %._crit_edge29, label %.lr.ph28

.lr.ph28:                                         ; preds = %0, %.loopexit15
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %10 = 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)
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = zext i32 %12 to i64
  %14 = call ptr @llvm.stacksave.p0()
  %15 = alloca %"class.std::vector", i64 %13, align 16
  %16 = icmp eq i32 %12, 0
  br i1 %16, label %.loopexit16, label %17

17:                                               ; preds = %.lr.ph28
  %18 = getelementptr inbounds %"class.std::vector", ptr %15, i64 %13
  br label %19

19:                                               ; preds = %19, %17
  %20 = phi ptr [ %15, %17 ], [ %21, %19 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #7
  %21 = getelementptr inbounds i8, ptr %20, i64 24
  %22 = icmp eq ptr %21, %18
  br i1 %22, label %.loopexit16, label %19

.loopexit16:                                      ; preds = %19, %.lr.ph28
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %33, %.loopexit16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #7
  %25 = load i32, ptr %2, align 4, !tbaa !5
  invoke void @_Z8topoSortiPSt6vectorIiSaIiEE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %6, i32 noundef %25, ptr noundef nonnull %15)
          to label %39 unwind label %53

.lr.ph:                                           ; preds = %.loopexit16, %33
  %.0725 = phi i32 [ %34, %33 ], [ 0, %.loopexit16 ]
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %27 unwind label %37

27:                                               ; preds = %.lr.ph
  %28 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %29 unwind label %37

29:                                               ; preds = %27
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds %"class.std::vector", ptr %15, i64 %31
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %32, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %33 unwind label %37

33:                                               ; preds = %29
  %34 = add nuw nsw i32 %.0725, 1
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %.lr.ph, label %._crit_edge, !llvm.loop !9

37:                                               ; preds = %29, %27, %.lr.ph
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %58

39:                                               ; preds = %._crit_edge
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = invoke noundef zeroext i1 @_Z5checkiRSt6vectorIiSaIiEEPS1_(i32 noundef %40, ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull %15)
          to label %42 unwind label %55

42:                                               ; preds = %39
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i1 noundef zeroext %41)
          to label %44 unwind label %55

44:                                               ; preds = %42
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %43, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %46 unwind label %55

46:                                               ; preds = %44
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  br i1 %16, label %.loopexit15, label %.preheader14.preheader

.preheader14.preheader:                           ; preds = %46
  %47 = getelementptr inbounds %"class.std::vector", ptr %15, i64 %13
  br label %.preheader14

.preheader14:                                     ; preds = %.preheader14.preheader, %.preheader14
  %48 = phi ptr [ %49, %.preheader14 ], [ %47, %.preheader14.preheader ]
  %49 = getelementptr inbounds i8, ptr %48, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %49) #7
  %50 = icmp eq ptr %49, %15
  br i1 %50, label %.loopexit15, label %.preheader14

.loopexit15:                                      ; preds = %.preheader14, %46
  call void @llvm.stackrestore.p0(ptr %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %51 = load i32, ptr %1, align 4, !tbaa !5
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %51, 0
  br i1 %.not, label %._crit_edge29, label %.lr.ph28, !llvm.loop !11

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

55:                                               ; preds = %44, %42, %39
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  br label %57

57:                                               ; preds = %55, %53
  %.pn = phi { ptr, i32 } [ %56, %55 ], [ %54, %53 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  br label %58

58:                                               ; preds = %57, %37
  %.pn12 = phi { ptr, i32 } [ %38, %37 ], [ %.pn, %57 ]
  br i1 %16, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %58
  %59 = getelementptr inbounds %"class.std::vector", ptr %15, i64 %13
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %60 = phi ptr [ %61, %.preheader ], [ %59, %.preheader.preheader ]
  %61 = getelementptr inbounds i8, ptr %60, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %61) #7
  %62 = icmp eq ptr %61, %15
  br i1 %62, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn12

._crit_edge29:                                    ; preds = %.loopexit15, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  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 #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEb(ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext) local_unnamed_addr #0 align 2

; 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)) #6

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 nocallback nofree nosync nounwind willreturn }
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 = { 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 = { 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}


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