; LLVM IR from ncduy0303/Competitive-Programming :: Data Structures/HLD.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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.segtree = type { i32, %"class.std::vector.5" }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl" }
%"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl" = type { %"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl_data" }
%"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::array" = type { [2 x i32] }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@n = external dso_local global i32, align 4
@arr = external dso_local global %"class.std::vector", align 8
@adj = external dso_local global [10001 x %"class.std::vector.0"], align 16
@el = external dso_local global %"class.std::vector.0", align 8
@st = external dso_local global %struct.segtree, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [6 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5resetv() #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3hldii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z5queryii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6updateii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #2 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 %"struct.std::array", align 4
  %6 = alloca %"struct.std::array", align 4
  %7 = alloca %"struct.std::array", align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @_Z5resetv()
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %45, %0
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = load i32, ptr @n, align 4, !tbaa !5
  %20 = sub nsw i32 %19, 1
  %21 = icmp slt i32 %18, %20
  br i1 %21, label %23, label %22

22:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %48

23:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [10001 x %"class.std::vector.0"], ptr @adj, i64 0, i64 %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %30 = getelementptr inbounds %"struct.std::array", ptr %5, i32 0, i32 0
  %31 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %31, ptr %30, align 4, !tbaa !5
  %32 = getelementptr inbounds i32, ptr %30, i64 1
  %33 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %33, ptr %32, align 4, !tbaa !5
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %29, ptr noundef nonnull align 4 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [10001 x %"class.std::vector.0"], ptr @adj, i64 0, i64 %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %37 = getelementptr inbounds %"struct.std::array", ptr %6, i32 0, i32 0
  %38 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %38, ptr %37, align 4, !tbaa !5
  %39 = getelementptr inbounds i32, ptr %37, i64 1
  %40 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %40, ptr %39, align 4, !tbaa !5
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %41 = getelementptr inbounds %"struct.std::array", ptr %7, i32 0, i32 0
  %42 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %42, ptr %41, align 4, !tbaa !5
  %43 = getelementptr inbounds i32, ptr %41, i64 1
  %44 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %44, ptr %43, align 4, !tbaa !5
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @el, ptr noundef nonnull align 4 dereferenceable(8) %7)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %45

45:                                               ; preds = %23
  %46 = load i32, ptr %1, align 4, !tbaa !5
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %1, align 4, !tbaa !5
  br label %17, !llvm.loop !9

48:                                               ; preds = %22
  call void @_Z3dfsiii(i32 noundef 1, i32 noundef 0, i32 noundef 0)
  call void @_Z3hldii(i32 noundef 1, i32 noundef -1000000000)
  call void @_ZN7segtree4initERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32) @st, ptr noundef nonnull align 8 dereferenceable(24) @arr)
  br label %49

49:                                               ; preds = %97, %48
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %51 unwind label %64

51:                                               ; preds = %49
  %52 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str)
          to label %53 unwind label %64

53:                                               ; preds = %51
  br i1 %52, label %54, label %72

54:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  %55 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %56 unwind label %68

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %55, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %58 unwind label %68

58:                                               ; preds = %56
  %59 = load i32, ptr %11, align 4, !tbaa !5
  %60 = add nsw i32 %59, -1
  store i32 %60, ptr %11, align 4, !tbaa !5
  %61 = load i32, ptr %11, align 4, !tbaa !5
  %62 = load i32, ptr %12, align 4, !tbaa !5
  invoke void @_Z6updateii(i32 noundef %61, i32 noundef %62)
          to label %63 unwind label %68

63:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %94

64:                                               ; preds = %72, %51, %49
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %9, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %10, align 4
  br label %98

68:                                               ; preds = %58, %56, %54
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %9, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %98

72:                                               ; preds = %53
  %73 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef @.str.5)
          to label %74 unwind label %64

74:                                               ; preds = %72
  br i1 %73, label %75, label %92

75:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %76 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %77 unwind label %88

77:                                               ; preds = %75
  %78 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %76, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %79 unwind label %88

79:                                               ; preds = %77
  %80 = load i32, ptr %13, align 4, !tbaa !5
  %81 = load i32, ptr %14, align 4, !tbaa !5
  %82 = invoke noundef i64 @_Z5queryii(i32 noundef %80, i32 noundef %81)
          to label %83 unwind label %88

83:                                               ; preds = %79
  %84 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %82)
          to label %85 unwind label %88

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef @.str.6)
          to label %87 unwind label %88

87:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %93

88:                                               ; preds = %85, %83, %79, %77, %75
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %9, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %98

92:                                               ; preds = %74
  store i32 1, ptr %15, align 4
  br label %95

93:                                               ; preds = %87
  br label %94

94:                                               ; preds = %93, %63
  store i32 0, ptr %15, align 4
  br label %95

95:                                               ; preds = %94, %92
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  %96 = load i32, ptr %15, align 4
  switch i32 %96, label %105 [
    i32 0, label %97
    i32 1, label %99
  ]

97:                                               ; preds = %95
  br label %49, !llvm.loop !11

98:                                               ; preds = %88, %68, %64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  br label %100

99:                                               ; preds = %95
  ret void

100:                                              ; preds = %98
  %101 = load ptr, ptr %9, align 8
  %102 = load i32, ptr %10, align 4
  %103 = insertvalue { ptr, i32 } poison, ptr %101, 0
  %104 = insertvalue { ptr, i32 } %103, i32 %102, 1
  resume { ptr, i32 } %104

105:                                              ; preds = %95
  unreachable
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7segtree4initERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 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 #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 = !{!"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::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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.segtree = type { i32, %"class.std::vector.5" }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl" }
%"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl" = type { %"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl_data" }
%"struct.std::_Vector_base<segtree::tdata, std::allocator<segtree::tdata>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::array" = type { [2 x i32] }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@n = external dso_local global i32, align 4
@arr = external dso_local global %"class.std::vector", align 8
@adj = external dso_local global [10001 x %"class.std::vector.0"], align 16
@el = external dso_local global %"class.std::vector.0", align 8
@st = external dso_local global %struct.segtree, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [6 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5resetv() local_unnamed_addr #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3hldii(i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z5queryii(i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6updateii(i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::array", align 4
  %5 = alloca %"struct.std::array", align 4
  %6 = alloca %"struct.std::array", align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  tail call void @_Z5resetv()
  %13 = load i32, ptr @n, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 1
  br i1 %14, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0
  %15 = getelementptr inbounds i8, ptr %4, i64 4
  %16 = getelementptr inbounds i8, ptr %5, i64 4
  %17 = getelementptr inbounds i8, ptr %6, i64 4
  br label %18

._crit_edge:                                      ; preds = %18, %0
  call void @_Z3dfsiii(i32 noundef 1, i32 noundef 0, i32 noundef 0)
  call void @_Z3hldii(i32 noundef 1, i32 noundef -1000000000)
  call void @_ZN7segtree4initERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32) @st, ptr noundef nonnull align 8 dereferenceable(24) @arr)
  br label %38

18:                                               ; preds = %.lr.ph, %18
  %.0610 = phi i32 [ 0, %.lr.ph ], [ %34, %18 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  %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) %1)
  %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) %2)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [10001 x %"class.std::vector.0"], ptr @adj, i64 0, i64 %23
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %25 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %25, ptr %4, align 4, !tbaa !5
  %26 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %26, ptr %15, align 4, !tbaa !5
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 4 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [10001 x %"class.std::vector.0"], ptr @adj, i64 0, i64 %28
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %30 = load i32, ptr %1, align 4, !tbaa !5
  store i32 %30, ptr %5, align 4, !tbaa !5
  %31 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %31, ptr %16, align 4, !tbaa !5
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %29, ptr noundef nonnull align 4 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %32 = load i32, ptr %1, align 4, !tbaa !5
  store i32 %32, ptr %6, align 4, !tbaa !5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %33, ptr %17, align 4, !tbaa !5
  call void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @el, ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %34 = add nuw nsw i32 %.0610, 1
  %35 = load i32, ptr @n, align 4, !tbaa !5
  %36 = add nsw i32 %35, -1
  %37 = icmp slt i32 %34, %36
  br i1 %37, label %18, label %._crit_edge, !llvm.loop !9

38:                                               ; preds = %72, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %40 unwind label %51

40:                                               ; preds = %38
  %41 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull @.str)
  br i1 %41, label %42, label %55

42:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  %43 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %44 unwind label %53

44:                                               ; preds = %42
  %45 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %46 unwind label %53

46:                                               ; preds = %44
  %47 = load i32, ptr %8, align 4, !tbaa !5
  %48 = add nsw i32 %47, -1
  store i32 %48, ptr %8, align 4, !tbaa !5
  %49 = load i32, ptr %9, align 4, !tbaa !5
  invoke void @_Z6updateii(i32 noundef %48, i32 noundef %49)
          to label %50 unwind label %53

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  br label %72

51:                                               ; preds = %38
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %73

53:                                               ; preds = %46, %44, %42
  %54 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  br label %73

55:                                               ; preds = %40
  %56 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull @.str.5)
  br i1 %56, label %57, label %74

57:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #6
  %58 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %59 unwind label %70

59:                                               ; preds = %57
  %60 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %58, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %61 unwind label %70

61:                                               ; preds = %59
  %62 = load i32, ptr %10, align 4, !tbaa !5
  %63 = load i32, ptr %11, align 4, !tbaa !5
  %64 = invoke noundef i64 @_Z5queryii(i32 noundef %62, i32 noundef %63)
          to label %65 unwind label %70

65:                                               ; preds = %61
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %64)
          to label %67 unwind label %70

67:                                               ; preds = %65
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %66, ptr noundef nonnull @.str.6)
          to label %69 unwind label %70

69:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  br label %72

70:                                               ; preds = %67, %65, %61, %59, %57
  %71 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  br label %73

72:                                               ; preds = %50, %69
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  br label %38

73:                                               ; preds = %70, %53, %51
  %.pn = phi { ptr, i32 } [ %54, %53 ], [ %71, %70 ], [ %52, %51 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  resume { ptr, i32 } %.pn

74:                                               ; preds = %55
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  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 #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7segtree4initERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 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 #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 = !{!"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,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass