; LLVM IR from Tudor67/Competitive-Programming :: CSES/ProblemSet/TreeAlgorithms/DistinctColors_sol1_euler_tour_and_merge_sort_tree (main)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::allocator" = type { i8 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, 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.MergeSortTree = type { i32, %"class.std::vector.0" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::vector", align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca %"class.std::vector", align 8
  %18 = alloca %"class.std::allocator", align 1
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  %21 = alloca %"class.std::map", align 8
  %22 = alloca %"class.std::vector", align 8
  %23 = alloca i32, align 4
  %24 = alloca %"class.std::allocator", align 1
  %25 = alloca i32, align 4
  %26 = alloca i32, align 4
  %27 = alloca %"class.std::vector", align 8
  %28 = alloca %"class.std::allocator", align 1
  %29 = alloca %class.MergeSortTree, align 8
  %30 = alloca i32, align 4
  %31 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %32 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %33 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %34 = getelementptr i8, ptr %33, i64 -24
  %35 = load i64, ptr %34, align 8
  %36 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %35
  %37 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %36, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %38 = 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)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  %39 = load i32, ptr %2, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %40, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %41 unwind label %47

41:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %42

42:                                               ; preds = %57, %41
  %43 = load i32, ptr %7, align 4, !tbaa !8
  %44 = load i32, ptr %2, align 4, !tbaa !8
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %51, label %46

46:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %64

47:                                               ; preds = %0
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %5, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %269

51:                                               ; preds = %42
  %52 = load i32, ptr %7, align 4, !tbaa !8
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %53) #7
  %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) %54)
          to label %56 unwind label %60

56:                                               ; preds = %51
  br label %57

57:                                               ; preds = %56
  %58 = load i32, ptr %7, align 4, !tbaa !8
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %7, align 4, !tbaa !8
  br label %42, !llvm.loop !11

60:                                               ; preds = %51
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %5, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %268

64:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  %65 = load i32, ptr %2, align 4, !tbaa !8
  %66 = sext i32 %65 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %66, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %67 unwind label %74

67:                                               ; preds = %64
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 1, ptr %10, align 4, !tbaa !8
  br label %68

68:                                               ; preds = %95, %67
  %69 = load i32, ptr %10, align 4, !tbaa !8
  %70 = load i32, ptr %2, align 4, !tbaa !8
  %71 = sub nsw i32 %70, 1
  %72 = icmp sle i32 %69, %71
  br i1 %72, label %78, label %73

73:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %102

74:                                               ; preds = %64
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %5, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  br label %267

78:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %79 = 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 %80 unwind label %98

80:                                               ; preds = %78
  %81 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %79, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %82 unwind label %98

82:                                               ; preds = %80
  %83 = load i32, ptr %11, align 4, !tbaa !8
  %84 = sub nsw i32 %83, 1
  store i32 %84, ptr %11, align 4, !tbaa !8
  %85 = load i32, ptr %12, align 4, !tbaa !8
  %86 = sub nsw i32 %85, 1
  store i32 %86, ptr %12, align 4, !tbaa !8
  %87 = load i32, ptr %11, align 4, !tbaa !8
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %88) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %89, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %90 unwind label %98

90:                                               ; preds = %82
  %91 = load i32, ptr %12, align 4, !tbaa !8
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %92) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %93, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %94 unwind label %98

94:                                               ; preds = %90
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %95

95:                                               ; preds = %94
  %96 = load i32, ptr %10, align 4, !tbaa !8
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr %10, align 4, !tbaa !8
  br label %68, !llvm.loop !13

98:                                               ; preds = %90, %82, %80, %78
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %5, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %266

102:                                              ; preds = %73
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  invoke void @_ZN14GraphTraversal9eulerTourEiiRSt6vectorIiSaIiEERKS0_IS2_SaIS2_EE(i32 noundef -1, i32 noundef 0, ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %103 unwind label %116

103:                                              ; preds = %102
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #7
  %104 = load i32, ptr %2, align 4, !tbaa !8
  %105 = sext i32 %104 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 -1, ptr %15, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %105, ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %106 unwind label %120

106:                                              ; preds = %103
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #7
  %107 = load i32, ptr %2, align 4, !tbaa !8
  %108 = sext i32 %107 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %108, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %109 unwind label %124

109:                                              ; preds = %106
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #7
  store i32 0, ptr %19, align 4, !tbaa !8
  br label %110

110:                                              ; preds = %148, %109
  %111 = load i32, ptr %19, align 4, !tbaa !8
  %112 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  %113 = trunc i64 %112 to i32
  %114 = icmp slt i32 %111, %113
  br i1 %114, label %128, label %115

115:                                              ; preds = %110
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %151

116:                                              ; preds = %102
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %5, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %6, align 4
  br label %265

120:                                              ; preds = %103
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %5, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %264

124:                                              ; preds = %106
  %125 = landingpad { ptr, i32 }
          cleanup
  %126 = extractvalue { ptr, i32 } %125, 0
  store ptr %126, ptr %5, align 8
  %127 = extractvalue { ptr, i32 } %125, 1
  store i32 %127, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #7
  br label %263

128:                                              ; preds = %110
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #7
  %129 = load i32, ptr %19, align 4, !tbaa !8
  %130 = sext i32 %129 to i64
  %131 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %130) #7
  %132 = load i32, ptr %131, align 4, !tbaa !8
  store i32 %132, ptr %20, align 4, !tbaa !8
  %133 = load i32, ptr %20, align 4, !tbaa !8
  %134 = sext i32 %133 to i64
  %135 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %134) #7
  %136 = load i32, ptr %135, align 4, !tbaa !8
  %137 = icmp eq i32 %136, -1
  br i1 %137, label %138, label %143

138:                                              ; preds = %128
  %139 = load i32, ptr %19, align 4, !tbaa !8
  %140 = load i32, ptr %20, align 4, !tbaa !8
  %141 = sext i32 %140 to i64
  %142 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %141) #7
  store i32 %139, ptr %142, align 4, !tbaa !8
  br label %143

143:                                              ; preds = %138, %128
  %144 = load i32, ptr %19, align 4, !tbaa !8
  %145 = load i32, ptr %20, align 4, !tbaa !8
  %146 = sext i32 %145 to i64
  %147 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %146) #7
  store i32 %144, ptr %147, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #7
  br label %148

148:                                              ; preds = %143
  %149 = load i32, ptr %19, align 4, !tbaa !8
  %150 = add nsw i32 %149, 1
  store i32 %150, ptr %19, align 4, !tbaa !8
  br label %110, !llvm.loop !14

151:                                              ; preds = %115
  call void @llvm.lifetime.start.p0(i64 48, ptr %21) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %22) #7
  %152 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  %153 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  %154 = trunc i64 %153 to i32
  store i32 %154, ptr %23, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr %24) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %152, ptr noundef nonnull align 4 dereferenceable(4) %23, ptr noundef nonnull align 1 dereferenceable(1) %24)
          to label %155 unwind label %162

155:                                              ; preds = %151
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %25) #7
  store i32 0, ptr %25, align 4, !tbaa !8
  br label %156

156:                                              ; preds = %192, %155
  %157 = load i32, ptr %25, align 4, !tbaa !8
  %158 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  %159 = trunc i64 %158 to i32
  %160 = icmp slt i32 %157, %159
  br i1 %160, label %166, label %161

161:                                              ; preds = %156
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #7
  br label %195

162:                                              ; preds = %151
  %163 = landingpad { ptr, i32 }
          cleanup
  %164 = extractvalue { ptr, i32 } %163, 0
  store ptr %164, ptr %5, align 8
  %165 = extractvalue { ptr, i32 } %163, 1
  store i32 %165, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %262

166:                                              ; preds = %156
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #7
  %167 = load i32, ptr %25, align 4, !tbaa !8
  %168 = sext i32 %167 to i64
  %169 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %168) #7
  %170 = load i32, ptr %169, align 4, !tbaa !8
  %171 = sext i32 %170 to i64
  %172 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %171) #7
  %173 = load i32, ptr %172, align 4, !tbaa !8
  store i32 %173, ptr %26, align 4, !tbaa !8
  %174 = invoke noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(4) %26)
          to label %175 unwind label %184

175:                                              ; preds = %166
  %176 = icmp ne i64 %174, 0
  br i1 %176, label %177, label %188

177:                                              ; preds = %175
  %178 = load i32, ptr %25, align 4, !tbaa !8
  %179 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(4) %26)
          to label %180 unwind label %184

180:                                              ; preds = %177
  %181 = load i32, ptr %179, align 4, !tbaa !8
  %182 = sext i32 %181 to i64
  %183 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %182) #7
  store i32 %178, ptr %183, align 4, !tbaa !8
  br label %188

184:                                              ; preds = %188, %177, %166
  %185 = landingpad { ptr, i32 }
          cleanup
  %186 = extractvalue { ptr, i32 } %185, 0
  store ptr %186, ptr %5, align 8
  %187 = extractvalue { ptr, i32 } %185, 1
  store i32 %187, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #7
  br label %261

188:                                              ; preds = %180, %175
  %189 = load i32, ptr %25, align 4, !tbaa !8
  %190 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %21, ptr noundef nonnull align 4 dereferenceable(4) %26)
          to label %191 unwind label %184

191:                                              ; preds = %188
  store i32 %189, ptr %190, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  br label %192

192:                                              ; preds = %191
  %193 = load i32, ptr %25, align 4, !tbaa !8
  %194 = add nsw i32 %193, 1
  store i32 %194, ptr %25, align 4, !tbaa !8
  br label %156, !llvm.loop !15

195:                                              ; preds = %161
  call void @llvm.lifetime.start.p0(i64 24, ptr %27) #7
  %196 = load i32, ptr %2, align 4, !tbaa !8
  %197 = sext i32 %196 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %28) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %197, ptr noundef nonnull align 1 dereferenceable(1) %28)
          to label %198 unwind label %205

198:                                              ; preds = %195
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %28) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %29) #7
  invoke void @_ZN13MergeSortTreeC2ERKSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32) %29, ptr noundef nonnull align 8 dereferenceable(24) %22)
          to label %199 unwind label %209

199:                                              ; preds = %198
  call void @llvm.lifetime.start.p0(i64 4, ptr %30) #7
  store i32 0, ptr %30, align 4, !tbaa !8
  br label %200

200:                                              ; preds = %227, %199
  %201 = load i32, ptr %30, align 4, !tbaa !8
  %202 = load i32, ptr %2, align 4, !tbaa !8
  %203 = icmp slt i32 %201, %202
  br i1 %203, label %213, label %204

204:                                              ; preds = %200
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #7
  br label %234

205:                                              ; preds = %195
  %206 = landingpad { ptr, i32 }
          cleanup
  %207 = extractvalue { ptr, i32 } %206, 0
  store ptr %207, ptr %5, align 8
  %208 = extractvalue { ptr, i32 } %206, 1
  store i32 %208, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %28) #7
  br label %260

209:                                              ; preds = %198
  %210 = landingpad { ptr, i32 }
          cleanup
  %211 = extractvalue { ptr, i32 } %210, 0
  store ptr %211, ptr %5, align 8
  %212 = extractvalue { ptr, i32 } %210, 1
  store i32 %212, ptr %6, align 4
  br label %259

213:                                              ; preds = %200
  %214 = load i32, ptr %30, align 4, !tbaa !8
  %215 = sext i32 %214 to i64
  %216 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %215) #7
  %217 = load i32, ptr %216, align 4, !tbaa !8
  %218 = load i32, ptr %30, align 4, !tbaa !8
  %219 = sext i32 %218 to i64
  %220 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %219) #7
  %221 = load i32, ptr %220, align 4, !tbaa !8
  %222 = invoke noundef i32 @_ZN13MergeSortTree19countDistinctValuesEii(ptr noundef nonnull align 8 dereferenceable(32) %29, i32 noundef %217, i32 noundef %221)
          to label %223 unwind label %230

223:                                              ; preds = %213
  %224 = load i32, ptr %30, align 4, !tbaa !8
  %225 = sext i32 %224 to i64
  %226 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %225) #7
  store i32 %222, ptr %226, align 4, !tbaa !8
  br label %227

227:                                              ; preds = %223
  %228 = load i32, ptr %30, align 4, !tbaa !8
  %229 = add nsw i32 %228, 1
  store i32 %229, ptr %30, align 4, !tbaa !8
  br label %200, !llvm.loop !16

230:                                              ; preds = %213
  %231 = landingpad { ptr, i32 }
          cleanup
  %232 = extractvalue { ptr, i32 } %231, 0
  store ptr %232, ptr %5, align 8
  %233 = extractvalue { ptr, i32 } %231, 1
  store i32 %233, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #7
  br label %258

234:                                              ; preds = %204
  call void @llvm.lifetime.start.p0(i64 4, ptr %31) #7
  store i32 0, ptr %31, align 4, !tbaa !8
  br label %235

235:                                              ; preds = %249, %234
  %236 = load i32, ptr %31, align 4, !tbaa !8
  %237 = load i32, ptr %2, align 4, !tbaa !8
  %238 = icmp slt i32 %236, %237
  br i1 %238, label %240, label %239

239:                                              ; preds = %235
  call void @llvm.lifetime.end.p0(i64 4, ptr %31) #7
  br label %256

240:                                              ; preds = %235
  %241 = load i32, ptr %31, align 4, !tbaa !8
  %242 = sext i32 %241 to i64
  %243 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %242) #7
  %244 = load i32, ptr %243, align 4, !tbaa !8
  %245 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %244)
          to label %246 unwind label %252

246:                                              ; preds = %240
  %247 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %245, ptr noundef @.str)
          to label %248 unwind label %252

248:                                              ; preds = %246
  br label %249

249:                                              ; preds = %248
  %250 = load i32, ptr %31, align 4, !tbaa !8
  %251 = add nsw i32 %250, 1
  store i32 %251, ptr %31, align 4, !tbaa !8
  br label %235, !llvm.loop !17

252:                                              ; preds = %246, %240
  %253 = landingpad { ptr, i32 }
          cleanup
  %254 = extractvalue { ptr, i32 } %253, 0
  store ptr %254, ptr %5, align 8
  %255 = extractvalue { ptr, i32 } %253, 1
  store i32 %255, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %31) #7
  br label %258

256:                                              ; preds = %239
  store i32 0, ptr %1, align 4
  call void @_ZN13MergeSortTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %29) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %29) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %27) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %21) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %257 = load i32, ptr %1, align 4
  ret i32 %257

258:                                              ; preds = %252, %230
  call void @_ZN13MergeSortTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %29) #7
  br label %259

259:                                              ; preds = %258, %209
  call void @llvm.lifetime.end.p0(i64 32, ptr %29) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #7
  br label %260

260:                                              ; preds = %259, %205
  call void @llvm.lifetime.end.p0(i64 24, ptr %27) #7
  br label %261

261:                                              ; preds = %260, %184
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #7
  br label %262

262:                                              ; preds = %261, %162
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %21) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %21) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  br label %263

263:                                              ; preds = %262, %124
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  br label %264

264:                                              ; preds = %263, %120
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #7
  br label %265

265:                                              ; preds = %264, %116
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #7
  br label %266

266:                                              ; preds = %265, %98
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %267

267:                                              ; preds = %266, %74
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  br label %268

268:                                              ; preds = %267, %60
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %269

269:                                              ; preds = %268, %47
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %270

270:                                              ; preds = %269
  %271 = load ptr, ptr %5, align 8
  %272 = load i32, ptr %6, align 4
  %273 = insertvalue { ptr, i32 } poison, ptr %271, 0
  %274 = insertvalue { ptr, i32 } %273, i32 %272, 1
  resume { ptr, i32 } %274
}

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

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

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14GraphTraversal9eulerTourEiiRSt6vectorIiSaIiEERKS0_IS2_SaIS2_EE(i32 noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13MergeSortTreeC2ERKSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13MergeSortTree19countDistinctValuesEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #4 align 2

; 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13MergeSortTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::allocator" = type { i8 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, 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.MergeSortTree = type { i32, %"class.std::vector.0" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca %"class.std::map", align 8
  %15 = alloca %"class.std::vector", align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::allocator", align 1
  %18 = alloca i32, align 4
  %19 = alloca %"class.std::vector", align 8
  %20 = alloca %"class.std::allocator", align 1
  %21 = alloca %class.MergeSortTree, align 8
  %22 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %23 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %25
  %27 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %26, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %29 = load i32, ptr %1, align 4, !tbaa !8
  %30 = sext i32 %29 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %30, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %31 unwind label %34

31:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  %32 = load i32, ptr %1, align 4, !tbaa !8
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph, label %.._crit_edge_crit_edge

.._crit_edge_crit_edge:                           ; preds = %31
  %.pre = sext i32 %32 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %38, %.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.._crit_edge_crit_edge ], [ %40, %38 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.pre-phi, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %44 unwind label %46

34:                                               ; preds = %0
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  br label %173

.lr.ph:                                           ; preds = %31, %38
  %indvars.iv = phi i64 [ %indvars.iv.next, %38 ], [ 0, %31 ]
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %37 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %36)
          to label %38 unwind label %42

38:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %39 = load i32, ptr %1, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  %41 = icmp slt i64 %indvars.iv.next, %40
  br i1 %41, label %.lr.ph, label %._crit_edge, !llvm.loop !11

42:                                               ; preds = %.lr.ph
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %172

44:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %45 = load i32, ptr %1, align 4, !tbaa !8
  %.not.not64 = icmp sgt i32 %45, 1
  br i1 %.not.not64, label %.lr.ph67, label %._crit_edge68

._crit_edge68:                                    ; preds = %62, %44
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  invoke void @_ZN14GraphTraversal9eulerTourEiiRSt6vectorIiSaIiEERKS0_IS2_SaIS2_EE(i32 noundef -1, i32 noundef 0, ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %67 unwind label %80

46:                                               ; preds = %._crit_edge
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %171

.lr.ph67:                                         ; preds = %44, %62
  %.03165 = phi i32 [ %63, %62 ], [ 1, %44 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  %48 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %49 unwind label %65

49:                                               ; preds = %.lr.ph67
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %51 unwind label %65

51:                                               ; preds = %49
  %52 = load i32, ptr %6, align 4, !tbaa !8
  %53 = add nsw i32 %52, -1
  store i32 %53, ptr %6, align 4, !tbaa !8
  %54 = load i32, ptr %7, align 4, !tbaa !8
  %55 = add nsw i32 %54, -1
  store i32 %55, ptr %7, align 4, !tbaa !8
  %56 = sext i32 %53 to i64
  %57 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %56) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %57, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %58 unwind label %65

58:                                               ; preds = %51
  %59 = load i32, ptr %7, align 4, !tbaa !8
  %60 = sext i32 %59 to i64
  %61 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %60) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %61, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %62 unwind label %65

62:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  %63 = add nuw nsw i32 %.03165, 1
  %64 = load i32, ptr %1, align 4, !tbaa !8
  %.not.not = icmp slt i32 %63, %64
  br i1 %.not.not, label %.lr.ph67, label %._crit_edge68, !llvm.loop !13

65:                                               ; preds = %58, %51, %49, %.lr.ph67
  %66 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %170

67:                                               ; preds = %._crit_edge68
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #7
  %68 = load i32, ptr %1, align 4, !tbaa !8
  %69 = sext i32 %68 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #7
  store i32 -1, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %69, ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %70 unwind label %82

70:                                               ; preds = %67
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %12) #7
  %71 = load i32, ptr %1, align 4, !tbaa !8
  %72 = sext i32 %71 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %13) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %72, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %73 unwind label %84

73:                                               ; preds = %70
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #7
  %74 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %75 = trunc i64 %74 to i32
  %76 = icmp sgt i32 %75, 0
  br i1 %76, label %.lr.ph71, label %._crit_edge72

._crit_edge72:                                    ; preds = %95, %73
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %14) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %15) #7
  %77 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %16) #7
  %78 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %79 = trunc i64 %78 to i32
  store i32 %79, ptr %16, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %17) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %77, ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %100 unwind label %106

80:                                               ; preds = %._crit_edge68
  %81 = landingpad { ptr, i32 }
          cleanup
  br label %169

82:                                               ; preds = %67
  %83 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  br label %168

84:                                               ; preds = %70
  %85 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #7
  br label %167

.lr.ph71:                                         ; preds = %73, %95
  %indvars.iv84 = phi i64 [ %indvars.iv.next85, %95 ], [ 0, %73 ]
  %86 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv84) #7
  %87 = load i32, ptr %86, align 4, !tbaa !8
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %88) #7
  %90 = load i32, ptr %89, align 4, !tbaa !8
  %91 = icmp eq i32 %90, -1
  br i1 %91, label %92, label %.lr.ph71._crit_edge

.lr.ph71._crit_edge:                              ; preds = %.lr.ph71
  %.pre96 = trunc nuw nsw i64 %indvars.iv84 to i32
  br label %95

92:                                               ; preds = %.lr.ph71
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %88) #7
  %94 = trunc nuw nsw i64 %indvars.iv84 to i32
  store i32 %94, ptr %93, align 4, !tbaa !8
  br label %95

95:                                               ; preds = %.lr.ph71._crit_edge, %92
  %.pre-phi97 = phi i32 [ %.pre96, %.lr.ph71._crit_edge ], [ %94, %92 ]
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %88) #7
  store i32 %.pre-phi97, ptr %96, align 4, !tbaa !8
  %indvars.iv.next85 = add nuw nsw i64 %indvars.iv84, 1
  %97 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %sext = shl i64 %97, 32
  %98 = ashr exact i64 %sext, 32
  %99 = icmp slt i64 %indvars.iv.next85, %98
  br i1 %99, label %.lr.ph71, label %._crit_edge72, !llvm.loop !14

100:                                              ; preds = %._crit_edge72
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #7
  %101 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %102 = trunc i64 %101 to i32
  %103 = icmp sgt i32 %102, 0
  br i1 %103, label %.lr.ph75, label %._crit_edge76

._crit_edge76:                                    ; preds = %126, %100
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %19) #7
  %104 = load i32, ptr %1, align 4, !tbaa !8
  %105 = sext i32 %104 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %20) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %105, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %131 unwind label %135

106:                                              ; preds = %._crit_edge72
  %107 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %16) #7
  br label %166

.lr.ph75:                                         ; preds = %100, %126
  %indvars.iv87 = phi i64 [ %indvars.iv.next88, %126 ], [ 0, %100 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %18) #7
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv87) #7
  %109 = load i32, ptr %108, align 4, !tbaa !8
  %110 = sext i32 %109 to i64
  %111 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %110) #7
  %112 = load i32, ptr %111, align 4, !tbaa !8
  store i32 %112, ptr %18, align 4, !tbaa !8
  %113 = invoke noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48) %14, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %114 unwind label %122

114:                                              ; preds = %.lr.ph75
  %.not = icmp eq i64 %113, 0
  br i1 %.not, label %124, label %115

115:                                              ; preds = %114
  %116 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %14, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %117 unwind label %122

117:                                              ; preds = %115
  %118 = load i32, ptr %116, align 4, !tbaa !8
  %119 = sext i32 %118 to i64
  %120 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %119) #7
  %121 = trunc nuw nsw i64 %indvars.iv87 to i32
  store i32 %121, ptr %120, align 4, !tbaa !8
  br label %124

122:                                              ; preds = %124, %115, %.lr.ph75
  %123 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %18) #7
  br label %165

124:                                              ; preds = %117, %114
  %125 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %14, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %126 unwind label %122

126:                                              ; preds = %124
  %127 = trunc nuw nsw i64 %indvars.iv87 to i32
  store i32 %127, ptr %125, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %18) #7
  %indvars.iv.next88 = add nuw nsw i64 %indvars.iv87, 1
  %128 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %sext98 = shl i64 %128, 32
  %129 = ashr exact i64 %sext98, 32
  %130 = icmp slt i64 %indvars.iv.next88, %129
  br i1 %130, label %.lr.ph75, label %._crit_edge76, !llvm.loop !15

131:                                              ; preds = %._crit_edge76
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %20) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %21) #7
  invoke void @_ZN13MergeSortTreeC2ERKSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32) %21, ptr noundef nonnull align 8 dereferenceable(24) %15)
          to label %.preheader61 unwind label %137

.preheader61:                                     ; preds = %131
  %132 = load i32, ptr %1, align 4, !tbaa !8
  %133 = icmp sgt i32 %132, 0
  br i1 %133, label %.lr.ph78, label %._crit_edge81

.preheader:                                       ; preds = %144
  %134 = icmp sgt i32 %146, 0
  br i1 %134, label %.lr.ph80, label %._crit_edge81

135:                                              ; preds = %._crit_edge76
  %136 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %20) #7
  br label %164

137:                                              ; preds = %131
  %138 = landingpad { ptr, i32 }
          cleanup
  br label %163

.lr.ph78:                                         ; preds = %.preheader61, %144
  %indvars.iv90 = phi i64 [ %indvars.iv.next91, %144 ], [ 0, %.preheader61 ]
  %139 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %indvars.iv90) #7
  %140 = load i32, ptr %139, align 4, !tbaa !8
  %141 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %indvars.iv90) #7
  %142 = load i32, ptr %141, align 4, !tbaa !8
  %143 = invoke noundef i32 @_ZN13MergeSortTree19countDistinctValuesEii(ptr noundef nonnull align 8 dereferenceable(32) %21, i32 noundef %140, i32 noundef %142)
          to label %144 unwind label %149

144:                                              ; preds = %.lr.ph78
  %145 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %indvars.iv90) #7
  store i32 %143, ptr %145, align 4, !tbaa !8
  %indvars.iv.next91 = add nuw nsw i64 %indvars.iv90, 1
  %146 = load i32, ptr %1, align 4, !tbaa !8
  %147 = sext i32 %146 to i64
  %148 = icmp slt i64 %indvars.iv.next91, %147
  br i1 %148, label %.lr.ph78, label %.preheader, !llvm.loop !16

149:                                              ; preds = %.lr.ph78
  %150 = landingpad { ptr, i32 }
          cleanup
  br label %162

._crit_edge81:                                    ; preds = %156, %.preheader61, %.preheader
  call void @_ZN13MergeSortTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %21) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %21) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %19) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %15) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %14) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.lr.ph80:                                         ; preds = %.preheader, %156
  %indvars.iv93 = phi i64 [ %indvars.iv.next94, %156 ], [ 0, %.preheader ]
  %151 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %indvars.iv93) #7
  %152 = load i32, ptr %151, align 4, !tbaa !8
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %152)
          to label %154 unwind label %160

154:                                              ; preds = %.lr.ph80
  %155 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %153, ptr noundef nonnull @.str)
          to label %156 unwind label %160

156:                                              ; preds = %154
  %indvars.iv.next94 = add nuw nsw i64 %indvars.iv93, 1
  %157 = load i32, ptr %1, align 4, !tbaa !8
  %158 = sext i32 %157 to i64
  %159 = icmp slt i64 %indvars.iv.next94, %158
  br i1 %159, label %.lr.ph80, label %._crit_edge81, !llvm.loop !17

160:                                              ; preds = %154, %.lr.ph80
  %161 = landingpad { ptr, i32 }
          cleanup
  br label %162

162:                                              ; preds = %160, %149
  %.pn = phi { ptr, i32 } [ %150, %149 ], [ %161, %160 ]
  call void @_ZN13MergeSortTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %21) #7
  br label %163

163:                                              ; preds = %162, %137
  %.pn.pn = phi { ptr, i32 } [ %.pn, %162 ], [ %138, %137 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %21) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #7
  br label %164

164:                                              ; preds = %163, %135
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %163 ], [ %136, %135 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %19) #7
  br label %165

165:                                              ; preds = %164, %122
  %.pn49 = phi { ptr, i32 } [ %123, %122 ], [ %.pn.pn.pn, %164 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #7
  br label %166

166:                                              ; preds = %165, %106
  %.pn49.pn = phi { ptr, i32 } [ %.pn49, %165 ], [ %107, %106 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %15) #7
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %14) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %167

167:                                              ; preds = %166, %84
  %.pn49.pn.pn = phi { ptr, i32 } [ %.pn49.pn, %166 ], [ %85, %84 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  br label %168

168:                                              ; preds = %167, %82
  %.pn49.pn.pn.pn = phi { ptr, i32 } [ %.pn49.pn.pn, %167 ], [ %83, %82 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #7
  br label %169

169:                                              ; preds = %168, %80
  %.pn49.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn49.pn.pn.pn, %168 ], [ %81, %80 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  br label %170

170:                                              ; preds = %169, %65
  %.pn55 = phi { ptr, i32 } [ %66, %65 ], [ %.pn49.pn.pn.pn.pn, %169 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %171

171:                                              ; preds = %170, %46
  %.pn55.pn = phi { ptr, i32 } [ %.pn55, %170 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  br label %172

172:                                              ; preds = %171, %42
  %.pn58 = phi { ptr, i32 } [ %43, %42 ], [ %.pn55.pn, %171 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %173

173:                                              ; preds = %172, %34
  %.pn58.pn = phi { ptr, i32 } [ %.pn58, %172 ], [ %35, %34 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn58.pn
}

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

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

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

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 #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; 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 #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14GraphTraversal9eulerTourEiiRSt6vectorIiSaIiEERKS0_IS2_SaIS2_EE(i32 noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5countERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13MergeSortTreeC2ERKSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN13MergeSortTree19countDistinctValuesEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13MergeSortTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}


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