; LLVM IR from Tunghohin/Competitive_Coding :: Codeforces/cf1744_D.ll (Z5solvev)

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

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

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"struct.std::greater", align 1
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %50, %0
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = icmp sle i32 %19, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %53

23:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %25 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %25, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %30, %23
  %27 = load i64, ptr %4, align 8, !tbaa !9
  %28 = urem i64 %27, 2
  %29 = icmp eq i64 %28, 0
  br i1 %29, label %30, label %35

30:                                               ; preds = %26
  %31 = load i64, ptr %4, align 8, !tbaa !9
  %32 = udiv i64 %31, 2
  store i64 %32, ptr %4, align 8, !tbaa !9
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %2, align 4, !tbaa !5
  br label %26, !llvm.loop !11

35:                                               ; preds = %26
  br label %36

36:                                               ; preds = %40, %35
  %37 = load i32, ptr %5, align 4, !tbaa !5
  %38 = srem i32 %37, 2
  %39 = icmp eq i32 %38, 0
  br i1 %39, label %40, label %45

40:                                               ; preds = %36
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = sdiv i32 %41, 2
  store i32 %42, ptr %5, align 4, !tbaa !5
  %43 = load i32, ptr %6, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %6, align 4, !tbaa !5
  br label %36, !llvm.loop !13

45:                                               ; preds = %36
  %46 = load i32, ptr %6, align 4, !tbaa !5
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt, i64 noundef %48) #5
  store i32 %46, ptr %49, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %50

50:                                               ; preds = %45
  %51 = load i32, ptr %3, align 4, !tbaa !5
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %3, align 4, !tbaa !5
  br label %18, !llvm.loop !14

53:                                               ; preds = %22
  %54 = load i32, ptr %2, align 4, !tbaa !5
  %55 = load i32, ptr %1, align 4, !tbaa !5
  %56 = icmp sge i32 %54, %55
  br i1 %56, label %57, label %60

57:                                               ; preds = %53
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef 0)
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %58, i8 noundef signext 10)
  store i32 1, ptr %7, align 4
  br label %110

60:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %61 = load i32, ptr %1, align 4, !tbaa !5
  %62 = load i32, ptr %2, align 4, !tbaa !5
  %63 = sub nsw i32 %61, %62
  store i32 %63, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %64 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt) #5
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %64, ptr %65, align 8
  %66 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %10, i64 noundef 1) #5
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %68 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt) #5
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  %70 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %13, i64 noundef 1) #5
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  %72 = load i32, ptr %1, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %12, i64 noundef %73) #5
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %74, ptr %75, align 8
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %77 = load ptr, ptr %76, align 8
  %78 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %79 = load ptr, ptr %78, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr %77, ptr %79)
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #5
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  store i32 1, ptr %16, align 4, !tbaa !5
  br label %80

80:                                               ; preds = %101, %60
  %81 = load i32, ptr %16, align 4, !tbaa !5
  %82 = load i32, ptr %1, align 4, !tbaa !5
  %83 = icmp sle i32 %81, %82
  br i1 %83, label %85, label %84

84:                                               ; preds = %80
  store i32 9, ptr %7, align 4
  br label %104

85:                                               ; preds = %80
  %86 = load i32, ptr %16, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt, i64 noundef %87) #5
  %89 = load i32, ptr %88, align 4, !tbaa !5
  %90 = load i32, ptr %8, align 4, !tbaa !5
  %91 = sub nsw i32 %90, %89
  store i32 %91, ptr %8, align 4, !tbaa !5
  %92 = load i32, ptr %15, align 4, !tbaa !5
  %93 = add nsw i32 %92, 1
  store i32 %93, ptr %15, align 4, !tbaa !5
  %94 = load i32, ptr %8, align 4, !tbaa !5
  %95 = icmp sle i32 %94, 0
  br i1 %95, label %96, label %100

96:                                               ; preds = %85
  %97 = load i32, ptr %15, align 4, !tbaa !5
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %97)
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %98, i8 noundef signext 10)
  store i32 1, ptr %7, align 4
  br label %104

100:                                              ; preds = %85
  br label %101

101:                                              ; preds = %100
  %102 = load i32, ptr %16, align 4, !tbaa !5
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %16, align 4, !tbaa !5
  br label %80, !llvm.loop !15

104:                                              ; preds = %96, %84
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  %105 = load i32, ptr %7, align 4
  switch i32 %105, label %109 [
    i32 9, label %106
  ]

106:                                              ; preds = %104
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %107, i8 noundef signext 10)
  store i32 0, ptr %7, align 4
  br label %109

109:                                              ; preds = %106, %104
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %110

110:                                              ; preds = %109, %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  %111 = load i32, ptr %7, align 4
  switch i32 %111, label %113 [
    i32 0, label %112
    i32 1, label %112
  ]

112:                                              ; preds = %110, %110
  ret void

113:                                              ; preds = %110
  unreachable
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #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)) #1 align 2

; 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) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #1 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %6 = 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)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %.not38 = icmp slt i32 %7, 1
  br i1 %.not38, label %._crit_edge43, label %.lr.ph42

._crit_edge43:                                    ; preds = %._crit_edge, %0
  %.021.lcssa = phi i32 [ 0, %0 ], [ %.1.lcssa, %._crit_edge ]
  %.lcssa31 = phi i32 [ %7, %0 ], [ %24, %._crit_edge ]
  %.not29 = icmp slt i32 %.021.lcssa, %.lcssa31
  br i1 %.not29, label %26, label %.critedge

.lr.ph42:                                         ; preds = %0, %._crit_edge
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge ], [ 1, %0 ]
  %.02140 = phi i32 [ %.1.lcssa, %._crit_edge ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERy(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %.promoted = load i64, ptr %2, align 8, !tbaa !9
  %9 = and i64 %.promoted, 1
  %10 = icmp eq i64 %9, 0
  br i1 %10, label %.lr.ph, label %.preheader

..preheader_crit_edge:                            ; preds = %.lr.ph
  store i64 %15, ptr %2, align 8, !tbaa !9
  br label %.preheader

.preheader:                                       ; preds = %..preheader_crit_edge, %.lr.ph42
  %.1.lcssa = phi i32 [ %16, %..preheader_crit_edge ], [ %.02140, %.lr.ph42 ]
  %11 = trunc nuw nsw i64 %indvars.iv to i32
  %12 = and i32 %11, 1
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %.lr.ph36, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph42, %.lr.ph
  %.132 = phi i32 [ %16, %.lr.ph ], [ %.02140, %.lr.ph42 ]
  %14 = phi i64 [ %15, %.lr.ph ], [ %.promoted, %.lr.ph42 ]
  %15 = lshr exact i64 %14, 1
  %16 = add nsw i32 %.132, 1
  %17 = and i64 %14, 2
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %.lr.ph, label %..preheader_crit_edge, !llvm.loop !11

.lr.ph36:                                         ; preds = %.preheader, %.lr.ph36
  %.02535 = phi i32 [ %20, %.lr.ph36 ], [ 0, %.preheader ]
  %.02634 = phi i32 [ %19, %.lr.ph36 ], [ %11, %.preheader ]
  %19 = lshr exact i32 %.02634, 1
  %20 = add nuw nsw i32 %.02535, 1
  %21 = and i32 %.02634, 2
  %22 = icmp eq i32 %21, 0
  br i1 %22, label %.lr.ph36, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph36, %.preheader
  %.025.lcssa = phi i32 [ 0, %.preheader ], [ %20, %.lr.ph36 ]
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt, i64 noundef %indvars.iv) #5
  store i32 %.025.lcssa, ptr %23, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %24 = load i32, ptr %1, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %.not.not = icmp slt i64 %indvars.iv, %25
  br i1 %.not.not, label %.lr.ph42, label %._crit_edge43, !llvm.loop !14

26:                                               ; preds = %._crit_edge43
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %27 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt) #5
  store ptr %27, ptr %3, align 8
  %28 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %3, i64 noundef 1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %29 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt) #5
  store ptr %29, ptr %5, align 8
  %30 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 noundef 1) #5
  store ptr %30, ptr %4, align 8
  %31 = load i32, ptr %1, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %4, i64 noundef %32) #5
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr %28, ptr %33)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  %34 = load i32, ptr %1, align 4, !tbaa !5
  %.not3046 = icmp slt i32 %34, 1
  br i1 %.not3046, label %.critedge, label %.lr.ph51.preheader

.lr.ph51.preheader:                               ; preds = %26
  %35 = sub nsw i32 %.lcssa31, %.021.lcssa
  br label %.lr.ph51

36:                                               ; preds = %.lr.ph51
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %37 = load i32, ptr %1, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %.not30.not = icmp slt i64 %indvars.iv58, %38
  br i1 %.not30.not, label %.lr.ph51, label %.critedge, !llvm.loop !15

.lr.ph51:                                         ; preds = %.lr.ph51.preheader, %36
  %indvars.iv58 = phi i64 [ 1, %.lr.ph51.preheader ], [ %indvars.iv.next59, %36 ]
  %.02048 = phi i32 [ 0, %.lr.ph51.preheader ], [ %42, %36 ]
  %.02347 = phi i32 [ %35, %.lr.ph51.preheader ], [ %41, %36 ]
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @t_cnt, i64 noundef %indvars.iv58) #5
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = sub nsw i32 %.02347, %40
  %42 = add nuw nsw i32 %.02048, 1
  %43 = icmp slt i32 %41, 1
  br i1 %43, label %.critedge, label %36

.critedge:                                        ; preds = %36, %.lr.ph51, %26, %._crit_edge43
  %.lcssa.sink = phi i32 [ 0, %._crit_edge43 ], [ -1, %26 ], [ %42, %.lr.ph51 ], [ -1, %36 ]
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.lcssa.sink)
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %44, i8 noundef signext 10)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret void
}

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 #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 #1 align 2

; 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 #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEESt7greaterIiEEvT_S9_T0_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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