; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1224_xmas_2015 (B3)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.1" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.1" = type { i32 }
%"class.std::basic_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@choten = external dso_local global [200010 x i32], align 16
@p = external dso_local global [200010 x i32], align 16
@q = external dso_local global [200010 x i32], align 16
@X = external dso_local global [200010 x %"class.std::set"], align 16
@visited = external dso_local global [200010 x i8], align 16
@V = external dso_local global [200010 x %"class.std::tuple"], align 16
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsii(i32 noundef, i32 noundef) #0

; 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) #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::pair", align 8
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca i8, align 1
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::tuple", align 4
  %13 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  %14 = 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)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %16 = load i32, ptr @N, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds i32, ptr @choten, i64 %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %19 = load i32, ptr @N, align 4, !tbaa !5
  %20 = sub nsw i32 %19, 1
  store i32 %20, ptr %2, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @choten, ptr noundef %18, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %89, %0
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = load i32, ptr @M, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %92

26:                                               ; preds = %21
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [200010 x i32], ptr @p, i64 0, i64 %28
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %29)
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [200010 x i32], ptr @q, i64 0, i64 %32
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 4 dereferenceable(4) %33)
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [200010 x i32], ptr @p, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %37, align 4, !tbaa !5
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [200010 x i32], ptr @q, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = add nsw i32 %43, -1
  store i32 %44, ptr %42, align 4, !tbaa !5
  %45 = load i32, ptr %3, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [200010 x i32], ptr @p, i64 0, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %50, align 4, !tbaa !5
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [200010 x i32], ptr @q, i64 0, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = add nsw i32 %59, -1
  store i32 %60, ptr %58, align 4, !tbaa !5
  %61 = load i32, ptr %3, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [200010 x i32], ptr @p, i64 0, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [200010 x %"class.std::set"], ptr @X, i64 0, i64 %65
  %67 = load i32, ptr %3, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [200010 x i32], ptr @q, i64 0, i64 %68
  %70 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %66, ptr noundef nonnull align 4 dereferenceable(4) %69)
  %71 = getelementptr inbounds { ptr, i8 }, ptr %4, i32 0, i32 0
  %72 = extractvalue { ptr, i8 } %70, 0
  store ptr %72, ptr %71, align 8
  %73 = getelementptr inbounds { ptr, i8 }, ptr %4, i32 0, i32 1
  %74 = extractvalue { ptr, i8 } %70, 1
  store i8 %74, ptr %73, align 8
  %75 = load i32, ptr %3, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds [200010 x i32], ptr @q, i64 0, i64 %76
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [200010 x %"class.std::set"], ptr @X, i64 0, i64 %79
  %81 = load i32, ptr %3, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [200010 x i32], ptr @p, i64 0, i64 %82
  %84 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %80, ptr noundef nonnull align 4 dereferenceable(4) %83)
  %85 = getelementptr inbounds { ptr, i8 }, ptr %5, i32 0, i32 0
  %86 = extractvalue { ptr, i8 } %84, 0
  store ptr %86, ptr %85, align 8
  %87 = getelementptr inbounds { ptr, i8 }, ptr %5, i32 0, i32 1
  %88 = extractvalue { ptr, i8 } %84, 1
  store i8 %88, ptr %87, align 8
  br label %89

89:                                               ; preds = %26
  %90 = load i32, ptr %3, align 4, !tbaa !5
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %3, align 4, !tbaa !5
  br label %21, !llvm.loop !9

92:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %93

93:                                               ; preds = %108, %92
  %94 = load i32, ptr %6, align 4, !tbaa !5
  %95 = load i32, ptr @N, align 4, !tbaa !5
  %96 = icmp slt i32 %94, %95
  br i1 %96, label %98, label %97

97:                                               ; preds = %93
  store i32 5, ptr %7, align 4
  br label %111

98:                                               ; preds = %93
  %99 = load i32, ptr %6, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %100
  %102 = load i32, ptr %101, align 4, !tbaa !5
  %103 = icmp eq i32 %102, 0
  br i1 %103, label %104, label %107

104:                                              ; preds = %98
  %105 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  %106 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %105, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  br label %111

107:                                              ; preds = %98
  br label %108

108:                                              ; preds = %107
  %109 = load i32, ptr %6, align 4, !tbaa !5
  %110 = add nsw i32 %109, 1
  store i32 %110, ptr %6, align 4, !tbaa !5
  br label %93, !llvm.loop !11

111:                                              ; preds = %104, %97
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  %112 = load i32, ptr %7, align 4
  switch i32 %112, label %167 [
    i32 5, label %113
    i32 1, label %165
  ]

113:                                              ; preds = %111
  %114 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  %115 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %114, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %116

116:                                              ; preds = %130, %113
  %117 = load i32, ptr %8, align 4, !tbaa !5
  %118 = load i32, ptr @N, align 4, !tbaa !5
  %119 = icmp slt i32 %117, %118
  br i1 %119, label %121, label %120

120:                                              ; preds = %116
  store i32 8, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %133

121:                                              ; preds = %116
  %122 = load i32, ptr %8, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = getelementptr inbounds [200010 x %"class.std::set"], ptr @X, i64 0, i64 %123
  %125 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %124, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %126 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 0
  %127 = extractvalue { ptr, i8 } %125, 0
  store ptr %127, ptr %126, align 8
  %128 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 1
  %129 = extractvalue { ptr, i8 } %125, 1
  store i8 %129, ptr %128, align 8
  br label %130

130:                                              ; preds = %121
  %131 = load i32, ptr %8, align 4, !tbaa !5
  %132 = add nsw i32 %131, 1
  store i32 %132, ptr %8, align 4, !tbaa !5
  br label %116, !llvm.loop !12

133:                                              ; preds = %120
  %134 = load i32, ptr @N, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = getelementptr inbounds i8, ptr @visited, i64 %135
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  store i8 0, ptr %10, align 1, !tbaa !13
  call void @_ZSt4fillIPbbEvT_S1_RKT0_(ptr noundef @visited, ptr noundef %136, ptr noundef nonnull align 1 dereferenceable(1) %10)
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %137

137:                                              ; preds = %150, %133
  %138 = load i32, ptr %11, align 4, !tbaa !5
  %139 = load i32, ptr @N, align 4, !tbaa !5
  %140 = icmp slt i32 %138, %139
  br i1 %140, label %142, label %141

141:                                              ; preds = %137
  store i32 11, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %153

142:                                              ; preds = %137
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %143 = load i32, ptr %11, align 4, !tbaa !5
  %144 = sext i32 %143 to i64
  %145 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %144
  call void @_ZSt10make_tupleIJRiS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind writable sret(%"class.std::tuple") align 4 %12, ptr noundef nonnull align 4 dereferenceable(4) %145, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %146 = load i32, ptr %11, align 4, !tbaa !5
  %147 = sext i32 %146 to i64
  %148 = getelementptr inbounds [200010 x %"class.std::tuple"], ptr @V, i64 0, i64 %147
  %149 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5tupleIJiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %148, ptr noundef nonnull align 4 dereferenceable(8) %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %150

150:                                              ; preds = %142
  %151 = load i32, ptr %11, align 4, !tbaa !5
  %152 = add nsw i32 %151, 1
  store i32 %152, ptr %11, align 4, !tbaa !5
  br label %137, !llvm.loop !15

153:                                              ; preds = %141
  %154 = load i32, ptr @N, align 4, !tbaa !5
  %155 = sext i32 %154 to i64
  %156 = getelementptr inbounds %"class.std::tuple", ptr @V, i64 %155
  call void @_ZSt4sortIPSt5tupleIJiiEEEvT_S3_(ptr noundef @V, ptr noundef %156)
  %157 = load i32, ptr @N, align 4, !tbaa !5
  %158 = sext i32 %157 to i64
  %159 = getelementptr inbounds %"class.std::tuple", ptr @V, i64 %158
  call void @_ZSt7reverseIPSt5tupleIJiiEEEvT_S3_(ptr noundef @V, ptr noundef %159)
  %160 = load i32, ptr @N, align 4, !tbaa !5
  %161 = sext i32 %160 to i64
  %162 = getelementptr inbounds i8, ptr @visited, i64 %161
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #6
  store i8 0, ptr %13, align 1, !tbaa !13
  call void @_ZSt4fillIPbbEvT_S1_RKT0_(ptr noundef @visited, ptr noundef %162, ptr noundef nonnull align 1 dereferenceable(1) %13)
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  %163 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EJiiEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(8) @V) #6
  %164 = load i32, ptr %163, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %164, i32 noundef -1)
  br label %165

165:                                              ; preds = %153, %111
  %166 = load i32, ptr %1, align 4
  ret i32 %166

167:                                              ; preds = %111
  unreachable
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPbbEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt10make_tupleIJRiS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 4, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5tupleIJiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt5tupleIJiiEEEvT_S3_(ptr noundef, ptr noundef) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIPSt5tupleIJiiEEEvT_S3_(ptr noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EJiiEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(8)) #5

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 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 = { 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 #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}
!12 = distinct !{!12, !10}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = distinct !{!15, !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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.0", %"struct.std::_Head_base.1" }
%"struct.std::_Tuple_impl.0" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.1" = type { i32 }
%"class.std::basic_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }

@choten = external dso_local global [200010 x i32], align 16
@p = external dso_local global [200010 x i32], align 16
@q = external dso_local global [200010 x i32], align 16
@X = external dso_local global [200010 x %"class.std::set"], align 16
@visited = external dso_local global [200010 x i8], align 16
@V = external dso_local global [200010 x %"class.std::tuple"], align 16
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsii(i32 noundef, i32 noundef) local_unnamed_addr #0

; 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 #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i8, align 1
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::tuple", align 4
  %6 = alloca i8, align 1
  %7 = 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)
  %8 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %9 = load i32, ptr @N, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds i32, ptr @choten, i64 %10
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %12 = add nsw i32 %9, -1
  store i32 %12, ptr %1, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @choten, ptr noundef nonnull %11, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  %13 = load i32, ptr @M, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 0
  br i1 %14, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %0
  %15 = load i32, ptr @N, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph31.preheader, label %._crit_edge

.lr.ph31.preheader:                               ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %15 to i64
  br label %.lr.ph31

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %17 = getelementptr inbounds [200010 x i32], ptr @p, i64 0, i64 %indvars.iv
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %17)
  %19 = getelementptr inbounds [200010 x i32], ptr @q, i64 0, i64 %indvars.iv
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %19)
  %21 = load i32, ptr %17, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr %17, align 4, !tbaa !5
  %23 = load i32, ptr %19, align 4, !tbaa !5
  %24 = add nsw i32 %23, -1
  store i32 %24, ptr %19, align 4, !tbaa !5
  %25 = sext i32 %22 to i64
  %26 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %26, align 4, !tbaa !5
  %29 = sext i32 %24 to i64
  %30 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %29
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %30, align 4, !tbaa !5
  %33 = getelementptr inbounds [200010 x %"class.std::set"], ptr @X, i64 0, i64 %25
  %34 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %33, ptr noundef nonnull align 4 dereferenceable(4) %19)
  %35 = load i32, ptr %19, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [200010 x %"class.std::set"], ptr @X, i64 0, i64 %36
  %38 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %37, ptr noundef nonnull align 4 dereferenceable(4) %17)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %39 = load i32, ptr @M, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = icmp slt i64 %indvars.iv.next, %40
  br i1 %41, label %.lr.ph, label %.preheader, !llvm.loop !9

42:                                               ; preds = %.lr.ph31
  %indvars.iv.next45 = add nuw nsw i64 %indvars.iv44, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next45, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph31, !llvm.loop !11

.lr.ph31:                                         ; preds = %.lr.ph31.preheader, %42
  %indvars.iv44 = phi i64 [ 0, %.lr.ph31.preheader ], [ %indvars.iv.next45, %42 ]
  %43 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %indvars.iv44
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = icmp eq i32 %44, 0
  br i1 %45, label %46, label %42

46:                                               ; preds = %.lr.ph31
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %84

._crit_edge:                                      ; preds = %42, %.preheader
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  %51 = load i32, ptr @N, align 4, !tbaa !5
  %52 = icmp sgt i32 %51, 0
  br i1 %52, label %.lr.ph34, label %._crit_edge35

._crit_edge35:                                    ; preds = %.lr.ph34, %._crit_edge
  %.lcssa28 = phi i32 [ %51, %._crit_edge ], [ %62, %.lr.ph34 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  %53 = sext i32 %.lcssa28 to i64
  %54 = getelementptr inbounds i8, ptr @visited, i64 %53
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  store i8 0, ptr %3, align 1, !tbaa !12
  call void @_ZSt4fillIPbbEvT_S1_RKT0_(ptr noundef nonnull @visited, ptr noundef nonnull %54, ptr noundef nonnull align 1 dereferenceable(1) %3)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  %55 = load i32, ptr @N, align 4, !tbaa !5
  %56 = icmp sgt i32 %55, 0
  br i1 %56, label %.lr.ph38, label %._crit_edge39

.lr.ph34:                                         ; preds = %._crit_edge, %.lr.ph34
  %storemerge32 = phi i32 [ %61, %.lr.ph34 ], [ 0, %._crit_edge ]
  %57 = sext i32 %storemerge32 to i64
  %58 = getelementptr inbounds [200010 x %"class.std::set"], ptr @X, i64 0, i64 %57
  %59 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %58, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %60 = load i32, ptr %2, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %2, align 4, !tbaa !5
  %62 = load i32, ptr @N, align 4, !tbaa !5
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %.lr.ph34, label %._crit_edge35, !llvm.loop !14

._crit_edge39:                                    ; preds = %.lr.ph38, %._crit_edge35
  %.lcssa = phi i32 [ %55, %._crit_edge35 ], [ %82, %.lr.ph38 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %64 = sext i32 %.lcssa to i64
  %65 = getelementptr inbounds %"class.std::tuple", ptr @V, i64 %64
  call void @_ZSt4sortIPSt5tupleIJiiEEEvT_S3_(ptr noundef nonnull @V, ptr noundef nonnull %65)
  %66 = load i32, ptr @N, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds %"class.std::tuple", ptr @V, i64 %67
  call void @_ZSt7reverseIPSt5tupleIJiiEEEvT_S3_(ptr noundef nonnull @V, ptr noundef nonnull %68)
  %69 = load i32, ptr @N, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds i8, ptr @visited, i64 %70
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  store i8 0, ptr %6, align 1, !tbaa !12
  call void @_ZSt4fillIPbbEvT_S1_RKT0_(ptr noundef nonnull @visited, ptr noundef nonnull %71, ptr noundef nonnull align 1 dereferenceable(1) %6)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EJiiEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(8) @V) #6
  %73 = load i32, ptr %72, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %73, i32 noundef -1)
  br label %84

.lr.ph38:                                         ; preds = %._crit_edge35, %.lr.ph38
  %storemerge2436 = phi i32 [ %81, %.lr.ph38 ], [ 0, %._crit_edge35 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %74 = sext i32 %storemerge2436 to i64
  %75 = getelementptr inbounds [200010 x i32], ptr @choten, i64 0, i64 %74
  call void @_ZSt10make_tupleIJRiS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple") align 4 %5, ptr noundef nonnull align 4 dereferenceable(4) %75, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %76 = load i32, ptr %4, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [200010 x %"class.std::tuple"], ptr @V, i64 0, i64 %77
  %79 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5tupleIJiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %78, ptr noundef nonnull align 4 dereferenceable(8) %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %80 = load i32, ptr %4, align 4, !tbaa !5
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %4, align 4, !tbaa !5
  %82 = load i32, ptr @N, align 4, !tbaa !5
  %83 = icmp slt i32 %81, %82
  br i1 %83, label %.lr.ph38, label %._crit_edge39, !llvm.loop !15

84:                                               ; preds = %46, %._crit_edge39
  ret i32 0
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPbbEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt10make_tupleIJRiS0_EESt5tupleIJDpNSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeEEEDpOS4_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple") align 4, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5tupleIJiiEEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt5tupleIJiiEEEvT_S3_(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIPSt5tupleIJiiEEEvT_S3_(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EJiiEERNSt13tuple_elementIXT_ESt5tupleIJDpT0_EEE4typeERS4_(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #5

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 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 = { 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 #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}
!12 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


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