; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI (2458)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::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::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.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.12" = type { i8 }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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.7" = type { i8 }

@v = external dso_local global %"class.std::vector", align 8
@vi = external dso_local global %"class.std::vector.0", align 8
@countpath = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector.10", align 8
  %5 = alloca i8, align 1
  %6 = alloca %"class.std::allocator.12", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector.5", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::allocator.7", align 1
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %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) @n)
  %19 = load i32, ptr @n, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %21 = load i32, ptr @n, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  store i8 46, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %22, ptr noundef nonnull align 1 dereferenceable(1) %5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %23 unwind label %36

23:                                               ; preds = %0
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %20, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %24 unwind label %40

24:                                               ; preds = %23
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #6
  %27 = load i32, ptr @n, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 -1, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %28, ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %29 unwind label %45

29:                                               ; preds = %24
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @vi, i64 noundef %26, ptr noundef nonnull align 8 dereferenceable(24) %9)
          to label %30 unwind label %49

30:                                               ; preds = %29
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %72, %30
  %32 = load i32, ptr %12, align 4, !tbaa !5
  %33 = load i32, ptr @n, align 4, !tbaa !5
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %54, label %35

35:                                               ; preds = %31
  store i32 2, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %75

36:                                               ; preds = %0
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %7, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %8, align 4
  br label %44

40:                                               ; preds = %23
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %7, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %8, align 4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %44

44:                                               ; preds = %40, %36
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  br label %169

45:                                               ; preds = %24
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %7, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %8, align 4
  br label %53

49:                                               ; preds = %29
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %7, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %8, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  br label %53

53:                                               ; preds = %49, %45
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  br label %169

54:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %55

55:                                               ; preds = %68, %54
  %56 = load i32, ptr %14, align 4, !tbaa !5
  %57 = load i32, ptr @n, align 4, !tbaa !5
  %58 = icmp slt i32 %56, %57
  br i1 %58, label %60, label %59

59:                                               ; preds = %55
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %71

60:                                               ; preds = %55
  %61 = load i32, ptr %12, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %62) #6
  %64 = load i32, ptr %14, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %63, i64 noundef %65) #6
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %66)
  br label %68

68:                                               ; preds = %60
  %69 = load i32, ptr %14, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %14, align 4, !tbaa !5
  br label %55, !llvm.loop !10

71:                                               ; preds = %59
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %12, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %12, align 4, !tbaa !5
  br label %31, !llvm.loop !12

75:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 1, ptr %15, align 4, !tbaa !5
  store i32 0, ptr @countpath, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  store i32 0, ptr %16, align 4, !tbaa !5
  br label %76

76:                                               ; preds = %157, %75
  %77 = load i32, ptr %16, align 4, !tbaa !5
  %78 = load i32, ptr @n, align 4, !tbaa !5
  %79 = icmp slt i32 %77, %78
  br i1 %79, label %81, label %80

80:                                               ; preds = %76
  store i32 8, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %160

81:                                               ; preds = %76
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %82

82:                                               ; preds = %153, %81
  %83 = load i32, ptr %17, align 4, !tbaa !5
  %84 = load i32, ptr @n, align 4, !tbaa !5
  %85 = icmp slt i32 %83, %84
  br i1 %85, label %87, label %86

86:                                               ; preds = %82
  store i32 11, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %156

87:                                               ; preds = %82
  %88 = load i32, ptr %17, align 4, !tbaa !5
  %89 = load i32, ptr @n, align 4, !tbaa !5
  %90 = sub nsw i32 %89, 1
  %91 = icmp eq i32 %88, %90
  br i1 %91, label %92, label %102

92:                                               ; preds = %87
  %93 = load i32, ptr %16, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %94) #6
  %96 = load i32, ptr %17, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %95, i64 noundef %97) #6
  %99 = load i8, ptr %98, align 1, !tbaa !9
  %100 = sext i8 %99 to i32
  %101 = icmp eq i32 %100, 62
  br i1 %101, label %143, label %102

102:                                              ; preds = %92, %87
  %103 = load i32, ptr %16, align 4, !tbaa !5
  %104 = load i32, ptr @n, align 4, !tbaa !5
  %105 = sub nsw i32 %104, 1
  %106 = icmp eq i32 %103, %105
  br i1 %106, label %107, label %117

107:                                              ; preds = %102
  %108 = load i32, ptr %16, align 4, !tbaa !5
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %109) #6
  %111 = load i32, ptr %17, align 4, !tbaa !5
  %112 = sext i32 %111 to i64
  %113 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %110, i64 noundef %112) #6
  %114 = load i8, ptr %113, align 1, !tbaa !9
  %115 = sext i8 %114 to i32
  %116 = icmp eq i32 %115, 86
  br i1 %116, label %143, label %117

117:                                              ; preds = %107, %102
  %118 = load i32, ptr %17, align 4, !tbaa !5
  %119 = icmp eq i32 %118, 0
  br i1 %119, label %120, label %130

120:                                              ; preds = %117
  %121 = load i32, ptr %16, align 4, !tbaa !5
  %122 = sext i32 %121 to i64
  %123 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %122) #6
  %124 = load i32, ptr %17, align 4, !tbaa !5
  %125 = sext i32 %124 to i64
  %126 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %123, i64 noundef %125) #6
  %127 = load i8, ptr %126, align 1, !tbaa !9
  %128 = sext i8 %127 to i32
  %129 = icmp eq i32 %128, 60
  br i1 %129, label %143, label %130

130:                                              ; preds = %120, %117
  %131 = load i32, ptr %16, align 4, !tbaa !5
  %132 = icmp eq i32 %131, 0
  br i1 %132, label %133, label %152

133:                                              ; preds = %130
  %134 = load i32, ptr %16, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %135) #6
  %137 = load i32, ptr %17, align 4, !tbaa !5
  %138 = sext i32 %137 to i64
  %139 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %136, i64 noundef %138) #6
  %140 = load i8, ptr %139, align 1, !tbaa !9
  %141 = sext i8 %140 to i32
  %142 = icmp eq i32 %141, 65
  br i1 %142, label %143, label %152

143:                                              ; preds = %133, %120, %107, %92
  %144 = load i32, ptr %16, align 4, !tbaa !5
  store i32 %144, ptr %2, align 4, !tbaa !5
  %145 = load i32, ptr %17, align 4, !tbaa !5
  store i32 %145, ptr %3, align 4, !tbaa !5
  %146 = load i32, ptr @countpath, align 4, !tbaa !5
  %147 = add nsw i32 %146, 1
  store i32 %147, ptr @countpath, align 4, !tbaa !5
  %148 = load i32, ptr %2, align 4, !tbaa !5
  %149 = load i32, ptr %3, align 4, !tbaa !5
  %150 = load i32, ptr %15, align 4, !tbaa !5
  %151 = add nsw i32 %150, 1
  store i32 %151, ptr %15, align 4, !tbaa !5
  call void @_Z3dfsiii(i32 noundef %148, i32 noundef %149, i32 noundef %150)
  br label %152

152:                                              ; preds = %143, %133, %130
  br label %153

153:                                              ; preds = %152
  %154 = load i32, ptr %17, align 4, !tbaa !5
  %155 = add nsw i32 %154, 1
  store i32 %155, ptr %17, align 4, !tbaa !5
  br label %82, !llvm.loop !13

156:                                              ; preds = %86
  br label %157

157:                                              ; preds = %156
  %158 = load i32, ptr %16, align 4, !tbaa !5
  %159 = add nsw i32 %158, 1
  store i32 %159, ptr %16, align 4, !tbaa !5
  br label %76, !llvm.loop !14

160:                                              ; preds = %80
  %161 = load i32, ptr @n, align 4, !tbaa !5
  %162 = load i32, ptr @n, align 4, !tbaa !5
  %163 = mul nsw i32 %161, %162
  %164 = load i32, ptr @countpath, align 4, !tbaa !5
  %165 = sub nsw i32 %163, %164
  %166 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %165)
  %167 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %166, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %168 = load i32, ptr %1, align 4
  ret i32 %168

169:                                              ; preds = %53, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %170

170:                                              ; preds = %169
  %171 = load ptr, ptr %7, align 8
  %172 = load i32, ptr %8, align 4
  %173 = insertvalue { ptr, i32 } poison, ptr %171, 0
  %174 = insertvalue { ptr, i32 } %173, i32 %172, 1
  resume { ptr, i32 } %174
}

; 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)) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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

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

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

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


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::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::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.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.12" = type { i8 }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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.7" = type { i8 }

@v = external dso_local global %"class.std::vector", align 8
@vi = external dso_local global %"class.std::vector.0", align 8
@countpath = external dso_local local_unnamed_addr global i32, align 4
@n = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector.10", align 8
  %2 = alloca i8, align 1
  %3 = alloca %"class.std::allocator.12", align 1
  %4 = alloca %"class.std::vector.5", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::allocator.7", 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 = load i32, ptr @n, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  %9 = sext i32 %8 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #6
  store i8 46, ptr %2, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %2, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %10 unwind label %21

10:                                               ; preds = %0
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %9, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %11 unwind label %23

11:                                               ; preds = %10
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  %12 = load i32, ptr @n, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  store i32 -1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %13, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %14 unwind label %26

14:                                               ; preds = %11
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @vi, i64 noundef %13, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %15 unwind label %28

15:                                               ; preds = %14
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.preheader45, label %._crit_edge48.thread

._crit_edge48.thread:                             ; preds = %15
  store i32 0, ptr @countpath, align 4, !tbaa !5
  br label %._crit_edge55

.preheader45:                                     ; preds = %15, %._crit_edge
  %18 = phi i32 [ %31, %._crit_edge ], [ %16, %15 ]
  %indvars.iv61 = phi i64 [ %indvars.iv.next62, %._crit_edge ], [ 0, %15 ]
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph, label %.preheader45.._crit_edge_crit_edge

.preheader45.._crit_edge_crit_edge:               ; preds = %.preheader45
  %.pre85 = sext i32 %18 to i64
  br label %._crit_edge

._crit_edge48:                                    ; preds = %._crit_edge
  store i32 0, ptr @countpath, align 4, !tbaa !5
  %20 = icmp sgt i32 %31, 0
  br i1 %20, label %.preheader, label %._crit_edge55

21:                                               ; preds = %0
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %25

23:                                               ; preds = %10
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  br label %25

25:                                               ; preds = %23, %21
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %22, %21 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  br label %116

26:                                               ; preds = %11
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %30

28:                                               ; preds = %14
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %30

30:                                               ; preds = %28, %26
  %.pn42 = phi { ptr, i32 } [ %29, %28 ], [ %27, %26 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %116

._crit_edge:                                      ; preds = %.lr.ph, %.preheader45.._crit_edge_crit_edge
  %.pre-phi86 = phi i64 [ %.pre85, %.preheader45.._crit_edge_crit_edge ], [ %37, %.lr.ph ]
  %31 = phi i32 [ %18, %.preheader45.._crit_edge_crit_edge ], [ %36, %.lr.ph ]
  %indvars.iv.next62 = add nuw nsw i64 %indvars.iv61, 1
  %32 = icmp slt i64 %indvars.iv.next62, %.pre-phi86
  br i1 %32, label %.preheader45, label %._crit_edge48, !llvm.loop !10

.lr.ph:                                           ; preds = %.preheader45, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader45 ]
  %33 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv61) #6
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %33, i64 noundef %indvars.iv) #6
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %34)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %36 = load i32, ptr @n, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = icmp slt i64 %indvars.iv.next, %37
  br i1 %38, label %.lr.ph, label %._crit_edge, !llvm.loop !13

.preheader:                                       ; preds = %._crit_edge48, %._crit_edge52
  %39 = phi i32 [ %81, %._crit_edge52 ], [ %31, %._crit_edge48 ]
  %indvars.iv68 = phi i64 [ %indvars.iv.next69, %._crit_edge52 ], [ 0, %._crit_edge48 ]
  %.03053 = phi i32 [ %.1.lcssa, %._crit_edge52 ], [ 1, %._crit_edge48 ]
  %40 = icmp sgt i32 %39, 0
  br i1 %40, label %.lr.ph51, label %._crit_edge52

.lr.ph51:                                         ; preds = %.preheader
  %41 = icmp eq i64 %indvars.iv68, 0
  %42 = add nsw i32 %39, -1
  %43 = icmp eq i32 %42, 0
  br i1 %43, label %44, label %49

44:                                               ; preds = %.lr.ph51
  %45 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv68) #6
  %46 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %45, i64 noundef 0) #6
  %47 = load i8, ptr %46, align 1, !tbaa !9
  %48 = icmp eq i8 %47, 62
  br i1 %48, label %67, label %._crit_edge71

._crit_edge71:                                    ; preds = %44
  %.pre = load i32, ptr @n, align 4, !tbaa !5
  %.pre81 = add nsw i32 %.pre, -1
  br label %49

49:                                               ; preds = %._crit_edge71, %.lr.ph51
  %.pre-phi84.in = phi i32 [ %.pre81, %._crit_edge71 ], [ %42, %.lr.ph51 ]
  %.pre-phi84 = zext i32 %.pre-phi84.in to i64
  %50 = icmp eq i64 %indvars.iv68, %.pre-phi84
  br i1 %50, label %51, label %56

51:                                               ; preds = %49
  %52 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv68) #6
  %53 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef 0) #6
  %54 = load i8, ptr %53, align 1, !tbaa !9
  %55 = icmp eq i8 %54, 86
  br i1 %55, label %67, label %56

56:                                               ; preds = %49, %51
  %57 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv68) #6
  %58 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %57, i64 noundef 0) #6
  %59 = load i8, ptr %58, align 1, !tbaa !9
  %60 = icmp eq i8 %59, 60
  br i1 %60, label %67, label %61

61:                                               ; preds = %56
  br i1 %41, label %62, label %72

62:                                               ; preds = %61
  %63 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #6
  %64 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %63, i64 noundef 0) #6
  %65 = load i8, ptr %64, align 1, !tbaa !9
  %66 = icmp eq i8 %65, 65
  br i1 %66, label %67, label %72

67:                                               ; preds = %62, %56, %51, %44
  %68 = load i32, ptr @countpath, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr @countpath, align 4, !tbaa !5
  %70 = add nsw i32 %.03053, 1
  %71 = trunc nuw nsw i64 %indvars.iv68 to i32
  call void @_Z3dfsiii(i32 noundef %71, i32 noundef 0, i32 noundef %.03053)
  br label %72

72:                                               ; preds = %67, %62, %61
  %.2.peel = phi i32 [ %70, %67 ], [ %.03053, %62 ], [ %.03053, %61 ]
  %73 = load i32, ptr @n, align 4, !tbaa !5
  %74 = icmp sgt i32 %73, 1
  br i1 %74, label %.peel.next, label %._crit_edge52

.peel.next:                                       ; preds = %72
  %75 = trunc nuw nsw i64 %indvars.iv68 to i32
  br label %84

._crit_edge55.loopexit:                           ; preds = %._crit_edge52
  %.pre77 = load i32, ptr @countpath, align 4, !tbaa !5
  br label %._crit_edge55

._crit_edge55:                                    ; preds = %._crit_edge48.thread, %._crit_edge55.loopexit, %._crit_edge48
  %76 = phi i32 [ 0, %._crit_edge48 ], [ %.pre77, %._crit_edge55.loopexit ], [ 0, %._crit_edge48.thread ]
  %.lcssa = phi i32 [ %31, %._crit_edge48 ], [ %81, %._crit_edge55.loopexit ], [ %16, %._crit_edge48.thread ]
  %77 = mul nsw i32 %.lcssa, %.lcssa
  %78 = sub nsw i32 %77, %76
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %78)
  %80 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %79, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0

._crit_edge52:                                    ; preds = %112, %72, %.preheader
  %81 = phi i32 [ %39, %.preheader ], [ %73, %72 ], [ %113, %112 ]
  %.1.lcssa = phi i32 [ %.03053, %.preheader ], [ %.2.peel, %72 ], [ %.2, %112 ]
  %indvars.iv.next69 = add nuw nsw i64 %indvars.iv68, 1
  %82 = sext i32 %81 to i64
  %83 = icmp slt i64 %indvars.iv.next69, %82
  br i1 %83, label %.preheader, label %._crit_edge55.loopexit, !llvm.loop !14

84:                                               ; preds = %.peel.next, %112
  %indvars.iv64 = phi i64 [ 1, %.peel.next ], [ %indvars.iv.next65, %112 ]
  %85 = phi i32 [ %73, %.peel.next ], [ %113, %112 ]
  %.149 = phi i32 [ %.2.peel, %.peel.next ], [ %.2, %112 ]
  %86 = add nsw i32 %85, -1
  %87 = zext i32 %86 to i64
  %88 = icmp eq i64 %indvars.iv64, %87
  br i1 %88, label %89, label %94

89:                                               ; preds = %84
  %90 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv68) #6
  %91 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %90, i64 noundef %indvars.iv64) #6
  %92 = load i8, ptr %91, align 1, !tbaa !9
  %93 = icmp eq i8 %92, 62
  br i1 %93, label %107, label %._crit_edge73

._crit_edge73:                                    ; preds = %89
  %.pre74 = load i32, ptr @n, align 4, !tbaa !5
  %.pre78 = add nsw i32 %.pre74, -1
  %.pre79 = zext i32 %.pre78 to i64
  br label %94

94:                                               ; preds = %._crit_edge73, %84
  %.pre-phi80 = phi i64 [ %.pre79, %._crit_edge73 ], [ %87, %84 ]
  %95 = icmp eq i64 %indvars.iv68, %.pre-phi80
  br i1 %95, label %96, label %101

96:                                               ; preds = %94
  %97 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef %indvars.iv68) #6
  %98 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %97, i64 noundef %indvars.iv64) #6
  %99 = load i8, ptr %98, align 1, !tbaa !9
  %100 = icmp eq i8 %99, 86
  br i1 %100, label %107, label %101

101:                                              ; preds = %94, %96
  br i1 %41, label %102, label %112

102:                                              ; preds = %101
  %103 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @v, i64 noundef 0) #6
  %104 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %103, i64 noundef %indvars.iv64) #6
  %105 = load i8, ptr %104, align 1, !tbaa !9
  %106 = icmp eq i8 %105, 65
  br i1 %106, label %107, label %112

107:                                              ; preds = %102, %96, %89
  %108 = load i32, ptr @countpath, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr @countpath, align 4, !tbaa !5
  %110 = add nsw i32 %.149, 1
  %111 = trunc nuw nsw i64 %indvars.iv64 to i32
  call void @_Z3dfsiii(i32 noundef %75, i32 noundef %111, i32 noundef %.149)
  br label %112

112:                                              ; preds = %101, %102, %107
  %.2 = phi i32 [ %110, %107 ], [ %.149, %102 ], [ %.149, %101 ]
  %indvars.iv.next65 = add nuw nsw i64 %indvars.iv64, 1
  %113 = load i32, ptr @n, align 4, !tbaa !5
  %114 = sext i32 %113 to i64
  %115 = icmp slt i64 %indvars.iv.next65, %114
  br i1 %115, label %84, label %._crit_edge52, !llvm.loop !15

116:                                              ; preds = %30, %25
  %.pn42.pn = phi { ptr, i32 } [ %.pn42, %30 ], [ %.pn, %25 ]
  resume { ptr, i32 } %.pn42.pn
}

; 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 #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; 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 uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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

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

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

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


; Effective O3 passes: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopFullUnrollPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass