; LLVM IR from MakeContributions/DSA :: algorithms/CPlusPlus/Graphs (topological-sort)

; 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_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%class.Graph = type { i32, ptr }
%"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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [21 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.7 = 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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %class.Graph, align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::vector", align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca %"class.std::stack", align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #7
  %26 = load i32, ptr %3, align 4, !tbaa !5
  call void @_ZN5GraphC2Ei(ptr noundef nonnull align 8 dereferenceable(16) %7, i32 noundef %26)
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %28, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %29 unwind label %39

29:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #7
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %31, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %32 unwind label %43

32:                                               ; preds = %29
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr %16) #7
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %16)
          to label %33 unwind label %47

33:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %90, %33
  %35 = load i32, ptr %17, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %51, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %93

39:                                               ; preds = %0
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %11, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %181

43:                                               ; preds = %29
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %11, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %180

47:                                               ; preds = %32
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %11, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %12, align 4
  br label %179

51:                                               ; preds = %34
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %53 unwind label %85

53:                                               ; preds = %51
  %54 = load i32, ptr %17, align 4, !tbaa !5
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %52, i32 noundef %54)
          to label %56 unwind label %85

56:                                               ; preds = %53
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef @.str.2)
          to label %58 unwind label %85

58:                                               ; preds = %56
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef @.str.3)
          to label %60 unwind label %85

60:                                               ; preds = %58
  %61 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %62 unwind label %85

62:                                               ; preds = %60
  br label %63

63:                                               ; preds = %84, %62
  %64 = load i32, ptr %4, align 4, !tbaa !5
  %65 = icmp ne i32 %64, 0
  br i1 %65, label %66, label %89

66:                                               ; preds = %63
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %68 unwind label %85

68:                                               ; preds = %66
  %69 = 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 %70 unwind label %85

70:                                               ; preds = %68
  %71 = load i32, ptr %17, align 4, !tbaa !5
  %72 = load i32, ptr %6, align 4, !tbaa !5
  invoke void @_ZN5Graph7addEdgeEii(ptr noundef nonnull align 8 dereferenceable(16) %7, i32 noundef %71, i32 noundef %72)
          to label %73 unwind label %85

73:                                               ; preds = %70
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %75 unwind label %85

75:                                               ; preds = %73
  %76 = load i32, ptr %17, align 4, !tbaa !5
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %74, i32 noundef %76)
          to label %78 unwind label %85

78:                                               ; preds = %75
  %79 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %77, ptr noundef @.str.2)
          to label %80 unwind label %85

80:                                               ; preds = %78
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %79, ptr noundef @.str.3)
          to label %82 unwind label %85

82:                                               ; preds = %80
  %83 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %84 unwind label %85

84:                                               ; preds = %82
  br label %63, !llvm.loop !9

85:                                               ; preds = %82, %80, %78, %75, %73, %70, %68, %66, %60, %58, %56, %53, %51
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %11, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %178

89:                                               ; preds = %63
  br label %90

90:                                               ; preds = %89
  %91 = load i32, ptr %17, align 4, !tbaa !5
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr %17, align 4, !tbaa !5
  br label %34, !llvm.loop !11

93:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  store i32 0, ptr %18, align 4, !tbaa !5
  br label %94

94:                                               ; preds = %109, %93
  %95 = load i32, ptr %18, align 4, !tbaa !5
  %96 = load i32, ptr %3, align 4, !tbaa !5
  %97 = icmp slt i32 %95, %96
  br i1 %97, label %99, label %98

98:                                               ; preds = %94
  store i32 7, ptr %19, align 4
  br label %112

99:                                               ; preds = %94
  %100 = load i32, ptr %18, align 4, !tbaa !5
  %101 = invoke noundef zeroext i1 @_ZN5Graph5CycleEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(16) %7, i32 noundef %100, ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %13)
          to label %102 unwind label %104

102:                                              ; preds = %99
  br i1 %101, label %103, label %108

103:                                              ; preds = %102
  store i32 1, ptr %2, align 4, !tbaa !5
  store i32 7, ptr %19, align 4
  br label %112

104:                                              ; preds = %99
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %11, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %178

108:                                              ; preds = %102
  br label %109

109:                                              ; preds = %108
  %110 = load i32, ptr %18, align 4, !tbaa !5
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %18, align 4, !tbaa !5
  br label %94, !llvm.loop !12

112:                                              ; preds = %103, %98
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %113

113:                                              ; preds = %112
  %114 = load i32, ptr %2, align 4, !tbaa !5
  %115 = icmp ne i32 %114, 0
  br i1 %115, label %116, label %123

116:                                              ; preds = %113
  %117 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %118 unwind label %119

118:                                              ; preds = %116
  br label %176

119:                                              ; preds = %173, %171, %168, %166, %162, %159, %116
  %120 = landingpad { ptr, i32 }
          cleanup
  %121 = extractvalue { ptr, i32 } %120, 0
  store ptr %121, ptr %11, align 8
  %122 = extractvalue { ptr, i32 } %120, 1
  store i32 %122, ptr %12, align 4
  br label %178

123:                                              ; preds = %113
  %124 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %125 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %124, ptr %125, align 8
  %126 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %127 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %126, ptr %127, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #7
  store i32 0, ptr %22, align 4, !tbaa !5
  %128 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  %129 = load ptr, ptr %128, align 8
  %130 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  %131 = load ptr, ptr %130, align 8
  invoke void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr %129, ptr %131, ptr noundef nonnull align 4 dereferenceable(4) %22)
          to label %132 unwind label %138

132:                                              ; preds = %123
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  store i32 0, ptr %23, align 4, !tbaa !5
  br label %133

133:                                              ; preds = %156, %132
  %134 = load i32, ptr %23, align 4, !tbaa !5
  %135 = load i32, ptr %3, align 4, !tbaa !5
  %136 = icmp slt i32 %134, %135
  br i1 %136, label %142, label %137

137:                                              ; preds = %133
  store i32 10, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %159

138:                                              ; preds = %123
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %11, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #7
  br label %178

142:                                              ; preds = %133
  %143 = load i32, ptr %23, align 4, !tbaa !5
  %144 = sext i32 %143 to i64
  %145 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %144) #7
  %146 = load i32, ptr %145, align 4, !tbaa !5
  %147 = icmp ne i32 %146, 0
  br i1 %147, label %155, label %148

148:                                              ; preds = %142
  %149 = load i32, ptr %23, align 4, !tbaa !5
  invoke void @_ZN5Graph7TopSortEiRSt6vectorIiSaIiEERSt5stackIiSt5dequeIiS1_EE(ptr noundef nonnull align 8 dereferenceable(16) %7, i32 noundef %149, ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(80) %16)
          to label %150 unwind label %151

150:                                              ; preds = %148
  br label %155

151:                                              ; preds = %148
  %152 = landingpad { ptr, i32 }
          cleanup
  %153 = extractvalue { ptr, i32 } %152, 0
  store ptr %153, ptr %11, align 8
  %154 = extractvalue { ptr, i32 } %152, 1
  store i32 %154, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %178

155:                                              ; preds = %150, %142
  br label %156

156:                                              ; preds = %155
  %157 = load i32, ptr %23, align 4, !tbaa !5
  %158 = add nsw i32 %157, 1
  store i32 %158, ptr %23, align 4, !tbaa !5
  br label %133, !llvm.loop !13

159:                                              ; preds = %137
  %160 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
          to label %161 unwind label %119

161:                                              ; preds = %159
  br label %162

162:                                              ; preds = %174, %161
  %163 = invoke noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %16)
          to label %164 unwind label %119

164:                                              ; preds = %162
  %165 = xor i1 %163, true
  br i1 %165, label %166, label %175

166:                                              ; preds = %164
  %167 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %16)
          to label %168 unwind label %119

168:                                              ; preds = %166
  %169 = load i32, ptr %167, align 4, !tbaa !5
  %170 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %169)
          to label %171 unwind label %119

171:                                              ; preds = %168
  %172 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %170, ptr noundef @.str.7)
          to label %173 unwind label %119

173:                                              ; preds = %171
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %16)
          to label %174 unwind label %119

174:                                              ; preds = %173
  br label %162, !llvm.loop !14

175:                                              ; preds = %164
  br label %176

176:                                              ; preds = %175, %118
  store i32 0, ptr %1, align 4
  store i32 1, ptr %19, align 4
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %16) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %16) #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 @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %177 = load i32, ptr %1, align 4
  ret i32 %177

178:                                              ; preds = %151, %138, %119, %104, %85
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %16) #7
  br label %179

179:                                              ; preds = %178, %47
  call void @llvm.lifetime.end.p0(i64 80, ptr %16) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  br label %180

180:                                              ; preds = %179, %43
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %181

181:                                              ; preds = %180, %39
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %182

182:                                              ; preds = %181
  %183 = load ptr, ptr %11, align 8
  %184 = load i32, ptr %12, align 4
  %185 = insertvalue { ptr, i32 } poison, ptr %183, 0
  %186 = insertvalue { ptr, i32 } %185, i32 %184, 1
  resume { ptr, i32 } %186
}

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

; 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) #2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5GraphC2Ei(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 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

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) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph7addEdgeEii(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i32 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5Graph5CycleEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; 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) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph7TopSortEiRSt6vectorIiSaIiEERSt5stackIiSt5dequeIiS1_EE(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%class.Graph = type { i32, ptr }
%"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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [21 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.7 = 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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %class.Graph, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca %"class.std::stack", align 8
  %12 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #7
  %15 = load i32, ptr %1, align 4, !tbaa !5
  call void @_ZN5GraphC2Ei(ptr noundef nonnull align 8 dereferenceable(16) %4, i32 noundef %15)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %17, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %18 unwind label %25

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #7
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %20, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %21 unwind label %27

21:                                               ; preds = %18
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %11) #7
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %.preheader38 unwind label %29

.preheader38:                                     ; preds = %21
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = icmp sgt i32 %22, 0
  br i1 %23, label %.lr.ph, label %.critedge

.preheader31:                                     ; preds = %57
  %24 = icmp sgt i32 %59, 0
  br i1 %24, label %.lr.ph42, label %.critedge

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %99

27:                                               ; preds = %18
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  br label %98

29:                                               ; preds = %21
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %97

.lr.ph:                                           ; preds = %.preheader38, %57
  %.01839 = phi i32 [ %58, %57 ], [ 0, %.preheader38 ]
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %32 unwind label %.loopexit.split-lp34

32:                                               ; preds = %.lr.ph
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %31, i32 noundef %.01839)
          to label %34 unwind label %.loopexit.split-lp34

34:                                               ; preds = %32
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %33, ptr noundef nonnull @.str.2)
          to label %36 unwind label %.loopexit.split-lp34

36:                                               ; preds = %34
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef nonnull @.str.3)
          to label %38 unwind label %.loopexit.split-lp34

38:                                               ; preds = %36
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %.preheader32 unwind label %.loopexit.split-lp34

.preheader32:                                     ; preds = %38, %55
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %.not25 = icmp eq i32 %40, 0
  br i1 %.not25, label %57, label %41

41:                                               ; preds = %.preheader32
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
          to label %43 unwind label %.loopexit33

43:                                               ; preds = %41
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %45 unwind label %.loopexit33

45:                                               ; preds = %43
  %46 = load i32, ptr %3, align 4, !tbaa !5
  invoke void @_ZN5Graph7addEdgeEii(ptr noundef nonnull align 8 dereferenceable(16) %4, i32 noundef %.01839, i32 noundef %46)
          to label %47 unwind label %.loopexit33

47:                                               ; preds = %45
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %49 unwind label %.loopexit33

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %48, i32 noundef %.01839)
          to label %51 unwind label %.loopexit33

51:                                               ; preds = %49
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %50, ptr noundef nonnull @.str.2)
          to label %53 unwind label %.loopexit33

53:                                               ; preds = %51
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @.str.3)
          to label %55 unwind label %.loopexit33

55:                                               ; preds = %53
  %56 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %.preheader32 unwind label %.loopexit33, !llvm.loop !9

.loopexit33:                                      ; preds = %41, %43, %45, %47, %49, %51, %53, %55
  %lpad.loopexit35 = landingpad { ptr, i32 }
          cleanup
  br label %96

.loopexit.split-lp34:                             ; preds = %.lr.ph, %32, %34, %36, %38
  %lpad.loopexit.split-lp36 = landingpad { ptr, i32 }
          cleanup
  br label %96

57:                                               ; preds = %.preheader32
  %58 = add nuw nsw i32 %.01839, 1
  %59 = load i32, ptr %1, align 4, !tbaa !5
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %.lr.ph, label %.preheader31, !llvm.loop !11

61:                                               ; preds = %65
  %62 = add nuw nsw i32 %.01741, 1
  %63 = load i32, ptr %1, align 4, !tbaa !5
  %.not = icmp slt i32 %62, %63
  br i1 %.not, label %.lr.ph42, label %.critedge, !llvm.loop !12

.lr.ph42:                                         ; preds = %.preheader31, %61
  %.01741 = phi i32 [ %62, %61 ], [ 0, %.preheader31 ]
  %64 = invoke noundef zeroext i1 @_ZN5Graph5CycleEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(16) %4, i32 noundef %.01741, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %65 unwind label %66

65:                                               ; preds = %.lr.ph42
  br i1 %64, label %68, label %61

66:                                               ; preds = %.lr.ph42
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %96

68:                                               ; preds = %65
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %.loopexit unwind label %.loopexit.split-lp

.loopexit30:                                      ; preds = %.lr.ph45, %92
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %96

.loopexit.split-lp:                               ; preds = %68, %._crit_edge
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %96

.critedge:                                        ; preds = %61, %.preheader38, %.preheader31
  %70 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %71 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  invoke void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr %70, ptr %71, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %72 unwind label %77

72:                                               ; preds = %.critedge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  %73 = load i32, ptr %1, align 4, !tbaa !5
  %74 = icmp sgt i32 %73, 0
  br i1 %74, label %.lr.ph44, label %._crit_edge

._crit_edge:                                      ; preds = %85, %72
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.6)
          to label %.preheader unwind label %.loopexit.split-lp

.preheader:                                       ; preds = %._crit_edge
  %76 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
  br i1 %76, label %.loopexit, label %.lr.ph45

77:                                               ; preds = %.critedge
  %78 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  br label %96

.lr.ph44:                                         ; preds = %72, %85
  %indvars.iv = phi i64 [ %indvars.iv.next, %85 ], [ 0, %72 ]
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #7
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %.not24 = icmp eq i32 %80, 0
  br i1 %.not24, label %81, label %85

81:                                               ; preds = %.lr.ph44
  %82 = trunc nuw nsw i64 %indvars.iv to i32
  invoke void @_ZN5Graph7TopSortEiRSt6vectorIiSaIiEERSt5stackIiSt5dequeIiS1_EE(ptr noundef nonnull align 8 dereferenceable(16) %4, i32 noundef %82, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %85 unwind label %83

83:                                               ; preds = %81
  %84 = landingpad { ptr, i32 }
          cleanup
  br label %96

85:                                               ; preds = %.lr.ph44, %81
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %86 = load i32, ptr %1, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = icmp slt i64 %indvars.iv.next, %87
  br i1 %88, label %.lr.ph44, label %._crit_edge, !llvm.loop !13

.lr.ph45:                                         ; preds = %.preheader, %94
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
  %90 = load i32, ptr %89, align 4, !tbaa !5
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %90)
          to label %92 unwind label %.loopexit30

92:                                               ; preds = %.lr.ph45
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %91, ptr noundef nonnull @.str.7)
          to label %94 unwind label %.loopexit30

94:                                               ; preds = %92
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
  %95 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
  br i1 %95, label %.loopexit, label %.lr.ph45, !llvm.loop !14

.loopexit:                                        ; preds = %94, %.preheader, %68
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %11) #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 @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

96:                                               ; preds = %.loopexit30, %.loopexit.split-lp, %.loopexit33, %.loopexit.split-lp34, %83, %77, %66
  %.pn = phi { ptr, i32 } [ %84, %83 ], [ %78, %77 ], [ %67, %66 ], [ %lpad.loopexit35, %.loopexit33 ], [ %lpad.loopexit.split-lp36, %.loopexit.split-lp34 ], [ %lpad.loopexit, %.loopexit30 ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #7
  br label %97

97:                                               ; preds = %96, %29
  %.pn.pn = phi { ptr, i32 } [ %.pn, %96 ], [ %30, %29 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %11) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %98

98:                                               ; preds = %97, %27
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %97 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %99

99:                                               ; preds = %98, %25
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %98 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn.pn
}

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

; 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 #2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5GraphC2Ei(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 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

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) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph7addEdgeEii(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5Graph5CycleEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; 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 #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5Graph7TopSortEiRSt6vectorIiSaIiEERSt5stackIiSt5dequeIiS1_EE(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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