; LLVM IR from forestLoop/Learning-ITMO-Academy-Pilot-Course :: two-pointers (2-C)

; 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<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  br label %19

19:                                               ; preds = %96, %0
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr %21, i64 %24
  %26 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %25)
  br i1 %26, label %27, label %103

27:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = zext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaIjEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIjSaIjEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %29, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %30 unwind label %36

30:                                               ; preds = %27
  call void @_ZNSt15__new_allocatorIjED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !8
  br label %31

31:                                               ; preds = %46, %30
  %32 = load i32, ptr %8, align 4, !tbaa !8
  %33 = load i32, ptr %2, align 4, !tbaa !8
  %34 = icmp ult i32 %32, %33
  br i1 %34, label %40, label %35

35:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %53

36:                                               ; preds = %27
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %6, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIjED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %102

40:                                               ; preds = %31
  %41 = load i32, ptr %8, align 4, !tbaa !8
  %42 = zext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %42) #6
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(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 %8, align 4, !tbaa !8
  %48 = add i32 %47, 1
  store i32 %48, ptr %8, align 4, !tbaa !8
  br label %31, !llvm.loop !11

49:                                               ; preds = %40
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %6, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %101

53:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %54

54:                                               ; preds = %88, %53
  %55 = load i32, ptr %12, align 4, !tbaa !8
  %56 = load i32, ptr %2, align 4, !tbaa !8
  %57 = icmp ult i32 %55, %56
  br i1 %57, label %59, label %58

58:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %91

59:                                               ; preds = %54
  %60 = load i32, ptr %12, align 4, !tbaa !8
  %61 = zext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %61) #6
  %63 = load i32, ptr %62, align 4, !tbaa !8
  %64 = zext i32 %63 to i64
  %65 = load i64, ptr %10, align 8, !tbaa !13
  %66 = add i64 %65, %64
  store i64 %66, ptr %10, align 8, !tbaa !13
  br label %67

67:                                               ; preds = %71, %59
  %68 = load i64, ptr %10, align 8, !tbaa !13
  %69 = load i64, ptr %3, align 8, !tbaa !13
  %70 = icmp ugt i64 %68, %69
  br i1 %70, label %71, label %80

71:                                               ; preds = %67
  %72 = load i32, ptr %9, align 4, !tbaa !8
  %73 = add i32 %72, 1
  store i32 %73, ptr %9, align 4, !tbaa !8
  %74 = zext i32 %72 to i64
  %75 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %74) #6
  %76 = load i32, ptr %75, align 4, !tbaa !8
  %77 = zext i32 %76 to i64
  %78 = load i64, ptr %10, align 8, !tbaa !13
  %79 = sub i64 %78, %77
  store i64 %79, ptr %10, align 8, !tbaa !13
  br label %67, !llvm.loop !15

80:                                               ; preds = %67
  %81 = load i32, ptr %12, align 4, !tbaa !8
  %82 = load i32, ptr %9, align 4, !tbaa !8
  %83 = sub i32 %81, %82
  %84 = add i32 %83, 1
  %85 = zext i32 %84 to i64
  %86 = load i64, ptr %11, align 8, !tbaa !13
  %87 = add i64 %86, %85
  store i64 %87, ptr %11, align 8, !tbaa !13
  br label %88

88:                                               ; preds = %80
  %89 = load i32, ptr %12, align 4, !tbaa !8
  %90 = add i32 %89, 1
  store i32 %90, ptr %12, align 4, !tbaa !8
  br label %54, !llvm.loop !16

91:                                               ; preds = %58
  %92 = load i64, ptr %11, align 8, !tbaa !13
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEy(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %92)
          to label %94 unwind label %97

94:                                               ; preds = %91
  %95 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %93, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %96 unwind label %97

96:                                               ; preds = %94
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @_ZNSt6vectorIjSaIjEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  br label %19, !llvm.loop !17

97:                                               ; preds = %94, %91
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %6, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %101

101:                                              ; preds = %97, %49
  call void @_ZNSt6vectorIjSaIjEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %102

102:                                              ; preds = %101, %36
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %104

103:                                              ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  ret i32 0

104:                                              ; preds = %102
  %105 = load ptr, ptr %6, align 8
  %106 = load i32, ptr %7, align 4
  %107 = insertvalue { ptr, i32 } poison, ptr %105, 0
  %108 = insertvalue { ptr, i32 } %107, i32 %106, 1
  resume { ptr, i32 } %108
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIjEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIjSaIjEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEy(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 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) #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIjSaIjEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIjED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !10, i64 0}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


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

%"class.std::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<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %6 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %7 = getelementptr i8, ptr %6, i64 -24
  %8 = load i64, ptr %7, align 8
  %9 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %8
  %10 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %9, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %12, i64 %15
  %17 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %16)
  br i1 %17, label %.lr.ph39, label %._crit_edge40

.lr.ph39:                                         ; preds = %0, %56
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  %18 = load i32, ptr %1, align 4, !tbaa !8
  %19 = zext i32 %18 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaIjEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorIjSaIjEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %19, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %20 unwind label %22

20:                                               ; preds = %.lr.ph39
  call void @_ZNSt15__new_allocatorIjED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  %21 = load i32, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %21, 0
  br i1 %.not, label %._crit_edge36, label %.lr.ph

.preheader:                                       ; preds = %26
  %.not41 = icmp eq i32 %27, 0
  br i1 %.not41, label %._crit_edge36, label %.lr.ph35

22:                                               ; preds = %.lr.ph39
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIjED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %67

.lr.ph:                                           ; preds = %20, %26
  %indvars.iv = phi i64 [ %indvars.iv.next, %26 ], [ 0, %20 ]
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %24)
          to label %26 unwind label %30

26:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %27 = load i32, ptr %1, align 4, !tbaa !8
  %28 = zext i32 %27 to i64
  %29 = icmp ult i64 %indvars.iv.next, %28
  br i1 %29, label %.lr.ph, label %.preheader, !llvm.loop !11

30:                                               ; preds = %.lr.ph
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %66

._crit_edge36:                                    ; preds = %._crit_edge, %20, %.preheader
  %.015.lcssa = phi i64 [ 0, %.preheader ], [ 0, %20 ], [ %50, %._crit_edge ]
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEy(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.015.lcssa)
          to label %54 unwind label %64

.lr.ph35:                                         ; preds = %.preheader, %._crit_edge
  %indvars.iv45 = phi i64 [ %indvars.iv.next46, %._crit_edge ], [ 0, %.preheader ]
  %.01533 = phi i64 [ %50, %._crit_edge ], [ 0, %.preheader ]
  %.01632 = phi i64 [ %.1.lcssa, %._crit_edge ], [ 0, %.preheader ]
  %.01731 = phi i32 [ %.118.lcssa, %._crit_edge ], [ 0, %.preheader ]
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv45) #6
  %34 = load i32, ptr %33, align 4, !tbaa !8
  %35 = zext i32 %34 to i64
  %36 = add i64 %.01632, %35
  %37 = load i64, ptr %2, align 8, !tbaa !13
  %38 = icmp ugt i64 %36, %37
  br i1 %38, label %.lr.ph29, label %._crit_edge

.lr.ph29:                                         ; preds = %.lr.ph35, %.lr.ph29
  %.128 = phi i64 [ %44, %.lr.ph29 ], [ %36, %.lr.ph35 ]
  %.11827 = phi i32 [ %39, %.lr.ph29 ], [ %.01731, %.lr.ph35 ]
  %39 = add i32 %.11827, 1
  %40 = zext i32 %.11827 to i64
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %40) #6
  %42 = load i32, ptr %41, align 4, !tbaa !8
  %43 = zext i32 %42 to i64
  %44 = sub i64 %.128, %43
  %45 = load i64, ptr %2, align 8, !tbaa !13
  %46 = icmp ugt i64 %44, %45
  br i1 %46, label %.lr.ph29, label %._crit_edge, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph29, %.lr.ph35
  %.118.lcssa = phi i32 [ %.01731, %.lr.ph35 ], [ %39, %.lr.ph29 ]
  %.1.lcssa = phi i64 [ %36, %.lr.ph35 ], [ %44, %.lr.ph29 ]
  %indvars.iv.next46 = add nuw nsw i64 %indvars.iv45, 1
  %47 = trunc nuw i64 %indvars.iv.next46 to i32
  %48 = sub i32 %47, %.118.lcssa
  %49 = zext i32 %48 to i64
  %50 = add i64 %.01533, %49
  %51 = load i32, ptr %1, align 4, !tbaa !8
  %52 = zext i32 %51 to i64
  %53 = icmp ult i64 %indvars.iv.next46, %52
  br i1 %53, label %.lr.ph35, label %._crit_edge36, !llvm.loop !16

54:                                               ; preds = %._crit_edge36
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %32, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %56 unwind label %64

56:                                               ; preds = %54
  call void @_ZNSt6vectorIjSaIjEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  %57 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %58 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16) %57, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %59 = load ptr, ptr %58, align 8, !tbaa !5
  %60 = getelementptr i8, ptr %59, i64 -24
  %61 = load i64, ptr %60, align 8
  %62 = getelementptr inbounds i8, ptr %58, i64 %61
  %63 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %62)
  br i1 %63, label %.lr.ph39, label %._crit_edge40, !llvm.loop !17

64:                                               ; preds = %54, %._crit_edge36
  %65 = landingpad { ptr, i32 }
          cleanup
  br label %66

66:                                               ; preds = %64, %30
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %65, %64 ]
  call void @_ZNSt6vectorIjSaIjEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %67

67:                                               ; preds = %66, %22
  %.pn.pn = phi { ptr, i32 } [ %.pn, %66 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn

._crit_edge40:                                    ; preds = %56, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; 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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERj(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIjEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIjSaIjEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIjSaIjEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEy(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #4 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 #4 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIjSaIjEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIjED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 #6 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !10, i64 0}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


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