; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/311 Division 2/Problem D/D.ll (Z3dfsiiii)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }

@color = external dso_local global [100100 x i32], align 16
@v = external dso_local global [100100 x i32], align 16
@g = external dso_local global [100100 x %"class.std::vector"], align 16
@comp = external dso_local global [100100 x %"class.std::vector"], align 16

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z3dfsiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !5
  %14 = load i32, ptr %6, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [100100 x i32], ptr @v, i64 0, i64 %15
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %28

19:                                               ; preds = %4
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [100100 x i32], ptr @color, i64 0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = load i32, ptr %8, align 4, !tbaa !5
  %25 = icmp ne i32 %23, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %19
  store i1 false, ptr %5, align 1
  br label %76

27:                                               ; preds = %19
  store i1 true, ptr %5, align 1
  br label %76

28:                                               ; preds = %4
  %29 = load i32, ptr %6, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [100100 x i32], ptr @v, i64 0, i64 %30
  store i32 1, ptr %31, align 4, !tbaa !5
  %32 = load i32, ptr %8, align 4, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [100100 x i32], ptr @color, i64 0, i64 %34
  store i32 %32, ptr %35, align 4, !tbaa !5
  %36 = load i32, ptr %9, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @comp, i64 0, i64 %37
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %38, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @g, i64 0, i64 %40
  %42 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %41) #4
  %43 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %42, ptr %43, align 8
  br label %44

44:                                               ; preds = %70, %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @g, i64 0, i64 %46
  %48 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %47) #4
  %49 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %48, ptr %49, align 8
  %50 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br i1 %50, label %52, label %51

51:                                               ; preds = %44
  store i32 2, ptr %12, align 4
  br label %73

52:                                               ; preds = %44
  %53 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = icmp eq i32 %54, %55
  br i1 %56, label %57, label %58

57:                                               ; preds = %52
  br label %70

58:                                               ; preds = %52
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = load i32, ptr %6, align 4, !tbaa !5
  %62 = load i32, ptr %8, align 4, !tbaa !5
  %63 = icmp eq i32 %62, 1
  %64 = zext i1 %63 to i64
  %65 = select i1 %63, i32 2, i32 1
  %66 = load i32, ptr %9, align 4, !tbaa !5
  %67 = call noundef zeroext i1 @_Z3dfsiiii(i32 noundef %60, i32 noundef %61, i32 noundef %65, i32 noundef %66)
  br i1 %67, label %69, label %68

68:                                               ; preds = %58
  store i1 false, ptr %5, align 1
  store i32 1, ptr %12, align 4
  br label %73

69:                                               ; preds = %58
  br label %70

70:                                               ; preds = %69, %57
  %71 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %10, i32 noundef 0) #4
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %71, ptr %72, align 8
  br label %44, !llvm.loop !9

73:                                               ; preds = %68, %51
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %74 = load i32, ptr %12, align 4
  switch i32 %74, label %78 [
    i32 2, label %75
    i32 1, label %76
  ]

75:                                               ; preds = %73
  store i1 true, ptr %5, align 1
  br label %76

76:                                               ; preds = %75, %73, %27, %26
  %77 = load i1, ptr %5, align 1
  ret i1 %77

78:                                               ; preds = %73
  unreachable
}

; 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 memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { 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"}


; 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.__gnu_cxx::__normal_iterator" = type { ptr }

@color = external dso_local local_unnamed_addr global [100100 x i32], align 16
@v = external dso_local local_unnamed_addr global [100100 x i32], align 16
@g = external dso_local global [100100 x %"class.std::vector"], align 16
@comp = external dso_local global [100100 x %"class.std::vector"], align 16

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z3dfsiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = alloca i32, align 4
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %5, align 4, !tbaa !5
  %8 = sext i32 %0 to i64
  %9 = getelementptr inbounds [100100 x i32], ptr @v, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %.not = icmp eq i32 %10, 0
  br i1 %.not, label %14, label %11

11:                                               ; preds = %4
  %12 = getelementptr inbounds [100100 x i32], ptr @color, i64 0, i64 %8
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %.not8 = icmp eq i32 %13, %2
  br label %45

14:                                               ; preds = %4
  store i32 1, ptr %9, align 4, !tbaa !5
  %15 = getelementptr inbounds [100100 x i32], ptr @color, i64 0, i64 %8
  store i32 %2, ptr %15, align 4, !tbaa !5
  %16 = sext i32 %3 to i64
  %17 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @comp, i64 0, i64 %16
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @g, i64 0, i64 %19
  %21 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #4
  store ptr %21, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @g, i64 0, i64 %23
  %25 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #4
  store ptr %25, ptr %7, align 8
  %26 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br i1 %26, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %14
  %27 = icmp eq i32 %2, 1
  %28 = select i1 %27, i32 2, i32 1
  br label %29

29:                                               ; preds = %.lr.ph, %38
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = icmp eq i32 %31, %1
  br i1 %32, label %38, label %33

33:                                               ; preds = %29
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = call noundef zeroext i1 @_Z3dfsiiii(i32 noundef %35, i32 noundef %36, i32 noundef %28, i32 noundef %3)
  br i1 %37, label %38, label %._crit_edge

38:                                               ; preds = %33, %29
  %39 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %6, i32 noundef 0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %40 = load i32, ptr %5, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100100 x %"class.std::vector"], ptr @g, i64 0, i64 %41
  %43 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %42) #4
  store ptr %43, ptr %7, align 8
  %44 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br i1 %44, label %29, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %38, %33, %14
  %.lcssa = phi i1 [ true, %14 ], [ false, %33 ], [ true, %38 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  br label %45

45:                                               ; preds = %._crit_edge, %11
  %.1 = phi i1 [ %.not8, %11 ], [ %.lcssa, %._crit_edge ]
  ret i1 %.1
}

; 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 memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { 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"}


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