; LLVM IR from HarshCasper/NeoAlgo :: C-Plus-Plus/graphs/kahns_algorithm.ll (Z21kahn_topological_sortPSt6vectorIiSaIiEEi)

; 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::queue" = 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 }
%"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 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [51 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21kahn_topological_sortPSt6vectorIiSaIiEEi(ptr noundef %0, i32 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::queue", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca %"class.std::vector", align 8
  %19 = alloca i32, align 4
  %20 = alloca ptr, align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca i32, align 4
  %24 = alloca ptr, align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %26 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %27 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %28 = load i32, ptr %4, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = call ptr @llvm.stacksave.p0()
  store ptr %30, ptr %5, align 8
  %31 = alloca i32, i64 %29, align 16
  store i64 %29, ptr %6, align 8
  %32 = mul nuw i64 4, %29
  call void @llvm.memset.p0.i64(ptr align 16 %31, i8 0, i64 %32, i1 false)
  call void @llvm.lifetime.start.p0(i64 80, ptr %7) #8
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %33

33:                                               ; preds = %63, %2
  %34 = load i32, ptr %8, align 4, !tbaa !9
  %35 = load i32, ptr %4, align 4, !tbaa !9
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %66

38:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #8
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = load i32, ptr %8, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds %"class.std::vector", ptr %39, i64 %41
  store ptr %42, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %43 = load ptr, ptr %10, align 8, !tbaa !5
  %44 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %43) #8
  %45 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %44, ptr %45, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %46 = load ptr, ptr %10, align 8, !tbaa !5
  %47 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #8
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  br label %49

49:                                               ; preds = %60, %38
  %50 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #8
  br i1 %50, label %52, label %51

51:                                               ; preds = %49
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  br label %62

52:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  %53 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  %54 = load i32, ptr %53, align 4, !tbaa !9
  store i32 %54, ptr %13, align 4, !tbaa !9
  %55 = load i32, ptr %13, align 4, !tbaa !9
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds i32, ptr %31, i64 %56
  %58 = load i32, ptr %57, align 4, !tbaa !9
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %57, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %60

60:                                               ; preds = %52
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  br label %49

62:                                               ; preds = %51
  br label %63

63:                                               ; preds = %62
  %64 = load i32, ptr %8, align 4, !tbaa !9
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %8, align 4, !tbaa !9
  br label %33, !llvm.loop !11

66:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  store i32 0, ptr %14, align 4, !tbaa !9
  br label %67

67:                                               ; preds = %85, %66
  %68 = load i32, ptr %14, align 4, !tbaa !9
  %69 = load i32, ptr %4, align 4, !tbaa !9
  %70 = icmp slt i32 %68, %69
  br i1 %70, label %72, label %71

71:                                               ; preds = %67
  store i32 7, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  br label %88

72:                                               ; preds = %67
  %73 = load i32, ptr %14, align 4, !tbaa !9
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds i32, ptr %31, i64 %74
  %76 = load i32, ptr %75, align 4, !tbaa !9
  %77 = icmp ne i32 %76, 0
  br i1 %77, label %84, label %78

78:                                               ; preds = %72
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %79 unwind label %80

79:                                               ; preds = %78
  br label %84

80:                                               ; preds = %78
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %15, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  br label %189

84:                                               ; preds = %79, %72
  br label %85

85:                                               ; preds = %84
  %86 = load i32, ptr %14, align 4, !tbaa !9
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %14, align 4, !tbaa !9
  br label %67, !llvm.loop !13

88:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #8
  store i32 0, ptr %17, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #8
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  br label %89

89:                                               ; preds = %142, %88
  %90 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %91 unwind label %112

91:                                               ; preds = %89
  %92 = xor i1 %90, true
  br i1 %92, label %93, label %146

93:                                               ; preds = %91
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #8
  %94 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %95 unwind label %116

95:                                               ; preds = %93
  %96 = load i32, ptr %94, align 4, !tbaa !9
  store i32 %96, ptr %19, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %97 unwind label %116

97:                                               ; preds = %95
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %98 unwind label %116

98:                                               ; preds = %97
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #8
  %99 = load ptr, ptr %3, align 8, !tbaa !5
  %100 = load i32, ptr %19, align 4, !tbaa !9
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds %"class.std::vector", ptr %99, i64 %101
  store ptr %102, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #8
  %103 = load ptr, ptr %20, align 8, !tbaa !5
  %104 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %103) #8
  %105 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %104, ptr %105, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #8
  %106 = load ptr, ptr %20, align 8, !tbaa !5
  %107 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %106) #8
  %108 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %107, ptr %108, align 8
  br label %109

109:                                              ; preds = %140, %98
  %110 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #8
  br i1 %110, label %120, label %111

111:                                              ; preds = %109
  store i32 12, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  br label %142

112:                                              ; preds = %183, %157, %155, %152, %150, %89
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %15, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %16, align 4
  br label %188

116:                                              ; preds = %97, %95, %93
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %15, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %16, align 4
  br label %145

120:                                              ; preds = %109
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #8
  %121 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #8
  %122 = load i32, ptr %121, align 4, !tbaa !9
  store i32 %122, ptr %23, align 4, !tbaa !9
  %123 = load i32, ptr %23, align 4, !tbaa !9
  %124 = sext i32 %123 to i64
  %125 = getelementptr inbounds i32, ptr %31, i64 %124
  %126 = load i32, ptr %125, align 4, !tbaa !9
  %127 = add nsw i32 %126, -1
  store i32 %127, ptr %125, align 4, !tbaa !9
  %128 = load i32, ptr %23, align 4, !tbaa !9
  %129 = sext i32 %128 to i64
  %130 = getelementptr inbounds i32, ptr %31, i64 %129
  %131 = load i32, ptr %130, align 4, !tbaa !9
  %132 = icmp ne i32 %131, 0
  br i1 %132, label %139, label %133

133:                                              ; preds = %120
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %134 unwind label %135

134:                                              ; preds = %133
  br label %139

135:                                              ; preds = %133
  %136 = landingpad { ptr, i32 }
          cleanup
  %137 = extractvalue { ptr, i32 } %136, 0
  store ptr %137, ptr %15, align 8
  %138 = extractvalue { ptr, i32 } %136, 1
  store i32 %138, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  br label %145

139:                                              ; preds = %134, %120
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #8
  br label %140

140:                                              ; preds = %139
  %141 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #8
  br label %109

142:                                              ; preds = %111
  %143 = load i32, ptr %17, align 4, !tbaa !9
  %144 = add nsw i32 %143, 1
  store i32 %144, ptr %17, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #8
  br label %89, !llvm.loop !14

145:                                              ; preds = %135, %116
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #8
  br label %188

146:                                              ; preds = %91
  %147 = load i32, ptr %17, align 4, !tbaa !9
  %148 = load i32, ptr %4, align 4, !tbaa !9
  %149 = icmp ne i32 %147, %148
  br i1 %149, label %150, label %155

150:                                              ; preds = %146
  %151 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %152 unwind label %112

152:                                              ; preds = %150
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %151, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %154 unwind label %112

154:                                              ; preds = %152
  br label %186

155:                                              ; preds = %146
  %156 = 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 %157 unwind label %112

157:                                              ; preds = %155
  %158 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %156, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %159 unwind label %112

159:                                              ; preds = %157
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #8
  store ptr %18, ptr %24, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #8
  %160 = load ptr, ptr %24, align 8, !tbaa !5
  %161 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %160) #8
  %162 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %25, i32 0, i32 0
  store ptr %161, ptr %162, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #8
  %163 = load ptr, ptr %24, align 8, !tbaa !5
  %164 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %163) #8
  %165 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %26, i32 0, i32 0
  store ptr %164, ptr %165, align 8
  br label %166

166:                                              ; preds = %177, %159
  %167 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef nonnull align 8 dereferenceable(8) %26) #8
  br i1 %167, label %169, label %168

168:                                              ; preds = %166
  store i32 14, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #8
  br label %183

169:                                              ; preds = %166
  call void @llvm.lifetime.start.p0(i64 4, ptr %27) #8
  %170 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %25) #8
  %171 = load i32, ptr %170, align 4, !tbaa !9
  store i32 %171, ptr %27, align 4, !tbaa !9
  %172 = load i32, ptr %27, align 4, !tbaa !9
  %173 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %172)
          to label %174 unwind label %179

174:                                              ; preds = %169
  %175 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %173, ptr noundef @.str.2)
          to label %176 unwind label %179

176:                                              ; preds = %174
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #8
  br label %177

177:                                              ; preds = %176
  %178 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %25) #8
  br label %166

179:                                              ; preds = %174, %169
  %180 = landingpad { ptr, i32 }
          cleanup
  %181 = extractvalue { ptr, i32 } %180, 0
  store ptr %181, ptr %15, align 8
  %182 = extractvalue { ptr, i32 } %180, 1
  store i32 %182, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #8
  br label %188

183:                                              ; preds = %168
  %184 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %185 unwind label %112

185:                                              ; preds = %183
  br label %186

186:                                              ; preds = %185, %154
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #8
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %7) #8
  %187 = load ptr, ptr %5, align 8
  call void @llvm.stackrestore.p0(ptr %187)
  ret void

188:                                              ; preds = %179, %145, %112
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #8
  br label %189

189:                                              ; preds = %188, %80
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %7) #8
  br label %190

190:                                              ; preds = %189
  %191 = load ptr, ptr %15, align 8
  %192 = load i32, ptr %16, align 4
  %193 = insertvalue { ptr, i32 } poison, ptr %191, 0
  %194 = insertvalue { ptr, i32 } %193, i32 %192, 1
  resume { ptr, i32 } %194
}

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

; 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)) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #1

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 = { nocallback nofree nosync nounwind willreturn }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 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 = { "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 #8 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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

%"class.std::basic_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::queue" = 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 }
%"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 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [51 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21kahn_topological_sortPSt6vectorIiSaIiEEi(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::queue", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = zext i32 %1 to i64
  %15 = alloca i32, i64 %14, align 16
  %16 = shl nuw nsw i64 %14, 2
  call void @llvm.memset.p0.i64(ptr nonnull align 16 %15, i8 0, i64 %16, i1 false)
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #7
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %17 = icmp sgt i32 %1, 0
  br i1 %17, label %.lr.ph38, label %._crit_edge39.thread

._crit_edge39.thread:                             ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  br label %._crit_edge43

._crit_edge39:                                    ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  br i1 %17, label %.lr.ph42, label %._crit_edge43

.lr.ph38:                                         ; preds = %2, %._crit_edge
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge ], [ 0, %2 ]
  %18 = getelementptr inbounds %"class.std::vector", ptr %0, i64 %indvars.iv
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %19 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  store ptr %19, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %20 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  store ptr %20, ptr %5, align 8
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  br i1 %21, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %14
  br i1 %exitcond.not, label %._crit_edge39, label %.lr.ph38, !llvm.loop !9

.lr.ph:                                           ; preds = %.lr.ph38, %.lr.ph
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds i32, ptr %15, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %25, align 4, !tbaa !5
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  br i1 %29, label %.lr.ph, label %._crit_edge

._crit_edge43:                                    ; preds = %37, %._crit_edge39.thread, %._crit_edge39
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  %30 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %30, label %._crit_edge50, label %.lr.ph49

.lr.ph42:                                         ; preds = %._crit_edge39, %37
  %storemerge40 = phi i32 [ %39, %37 ], [ 0, %._crit_edge39 ]
  %31 = sext i32 %storemerge40 to i64
  %32 = getelementptr inbounds i32, ptr %15, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %.not31 = icmp eq i32 %33, 0
  br i1 %.not31, label %34, label %37

34:                                               ; preds = %.lr.ph42
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %._crit_edge55 unwind label %35

._crit_edge55:                                    ; preds = %34
  %.pre = load i32, ptr %6, align 4, !tbaa !5
  br label %37

35:                                               ; preds = %34
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %93

37:                                               ; preds = %._crit_edge55, %.lr.ph42
  %38 = phi i32 [ %.pre, %._crit_edge55 ], [ %storemerge40, %.lr.ph42 ]
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %6, align 4, !tbaa !5
  %40 = icmp slt i32 %39, %1
  br i1 %40, label %.lr.ph42, label %._crit_edge43, !llvm.loop !11

.lr.ph49:                                         ; preds = %._crit_edge43, %._crit_edge46
  %.02247 = phi i32 [ %50, %._crit_edge46 ], [ 0, %._crit_edge43 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %42 = load i32, ptr %41, align 4, !tbaa !5
  store i32 %42, ptr %8, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %43 unwind label %54

43:                                               ; preds = %.lr.ph49
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %44 = load i32, ptr %8, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds %"class.std::vector", ptr %0, i64 %45
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  %47 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #7
  store ptr %47, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %48 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #7
  store ptr %48, ptr %10, align 8
  %49 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  br i1 %49, label %.lr.ph45, label %._crit_edge46

._crit_edge46:                                    ; preds = %65, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  %50 = add nuw nsw i32 %.02247, 1
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %51 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %51, label %._crit_edge50, label %.lr.ph49, !llvm.loop !12

52:                                               ; preds = %._crit_edge53.invoke, %73, %71, %69
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %92

54:                                               ; preds = %.lr.ph49
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %68

.lr.ph45:                                         ; preds = %43, %65
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #7
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  %57 = load i32, ptr %56, align 4, !tbaa !5
  store i32 %57, ptr %11, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds i32, ptr %15, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = add nsw i32 %60, -1
  store i32 %61, ptr %59, align 4, !tbaa !5
  %.not28 = icmp eq i32 %61, 0
  br i1 %.not28, label %62, label %65

62:                                               ; preds = %.lr.ph45
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %65 unwind label %63

63:                                               ; preds = %62
  %64 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %68

65:                                               ; preds = %62, %.lr.ph45
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #7
  %67 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  br i1 %67, label %.lr.ph45, label %._crit_edge46

68:                                               ; preds = %63, %54
  %.pn = phi { ptr, i32 } [ %64, %63 ], [ %55, %54 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %92

._crit_edge50:                                    ; preds = %._crit_edge46, %._crit_edge43
  %.022.lcssa = phi i32 [ 0, %._crit_edge43 ], [ %50, %._crit_edge46 ]
  %.not = icmp eq i32 %.022.lcssa, %1
  br i1 %.not, label %71, label %69

69:                                               ; preds = %._crit_edge50
  %70 = 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)
          to label %._crit_edge53.invoke unwind label %52

71:                                               ; preds = %._crit_edge50
  %72 = 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 %73 unwind label %52

73:                                               ; preds = %71
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %72, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %75 unwind label %52

75:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  %76 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %76, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #7
  %77 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %77, ptr %13, align 8
  %78 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  br i1 %78, label %.lr.ph52, label %._crit_edge53

._crit_edge53:                                    ; preds = %86, %75
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  br label %._crit_edge53.invoke

._crit_edge53.invoke:                             ; preds = %69, %._crit_edge53
  %79 = phi ptr [ @_ZSt4cout, %._crit_edge53 ], [ %70, %69 ]
  %80 = invoke 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_)
          to label %91 unwind label %52

.lr.ph52:                                         ; preds = %75, %86
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  %82 = load i32, ptr %81, align 4, !tbaa !5
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %82)
          to label %84 unwind label %89

84:                                               ; preds = %.lr.ph52
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %83, ptr noundef nonnull @.str.2)
          to label %86 unwind label %89

86:                                               ; preds = %84
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  %88 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  br i1 %88, label %.lr.ph52, label %._crit_edge53

89:                                               ; preds = %84, %.lr.ph52
  %90 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  br label %92

91:                                               ; preds = %._crit_edge53.invoke
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #7
  ret void

92:                                               ; preds = %89, %68, %52
  %.pn.pn = phi { ptr, i32 } [ %.pn, %68 ], [ %53, %52 ], [ %90, %89 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  br label %93

93:                                               ; preds = %92, %35
  %.pn32 = phi { ptr, i32 } [ %36, %35 ], [ %.pn.pn, %92 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #7
  resume { ptr, i32 } %.pn32
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

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

; 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { "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}


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