; LLVM IR from ravireddy07/cpp-book :: src/Leetcode (1579_remove-max-number-of-edges-to-keep-graph-fully-traversable)

; 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.Solution = type { i8 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::initializer_list" = type { ptr, i64 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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::initializer_list.5" = type { ptr, i64 }
%"class.std::allocator.2" = type { i8 }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %class.Solution, align 1
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::initializer_list", align 8
  %5 = alloca [4 x %"class.std::vector.0"], align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::initializer_list.5", align 8
  %8 = alloca [3 x i32], align 4
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::initializer_list.5", align 8
  %13 = alloca [3 x i32], align 4
  %14 = alloca %"class.std::allocator.2", align 1
  %15 = alloca %"class.std::initializer_list.5", align 8
  %16 = alloca [3 x i32], align 4
  %17 = alloca %"class.std::allocator.2", align 1
  %18 = alloca %"class.std::initializer_list.5", align 8
  %19 = alloca [3 x i32], align 4
  %20 = alloca %"class.std::allocator.2", align 1
  %21 = alloca i1, align 1
  %22 = alloca %"class.std::allocator", align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 96, ptr %5) #6
  store i1 true, ptr %21, align 1
  store ptr %5, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #6
  store i32 3, ptr %8, align 4, !tbaa !5
  %23 = getelementptr inbounds i32, ptr %8, i64 1
  store i32 1, ptr %23, align 4, !tbaa !5
  %24 = getelementptr inbounds i32, ptr %8, i64 2
  store i32 2, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds %"class.std::initializer_list.5", ptr %7, i32 0, i32 0
  store ptr %8, ptr %25, align 8, !tbaa !9
  %26 = getelementptr inbounds %"class.std::initializer_list.5", ptr %7, i32 0, i32 1
  store i64 3, ptr %26, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  %27 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 0
  %28 = load ptr, ptr %27, align 8
  %29 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 1
  %30 = load i64, ptr %29, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr %28, i64 %30, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %31 unwind label %82

31:                                               ; preds = %0
  %32 = getelementptr inbounds %"class.std::vector.0", ptr %5, i64 1
  store ptr %32, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %13) #6
  store i32 3, ptr %13, align 4, !tbaa !5
  %33 = getelementptr inbounds i32, ptr %13, i64 1
  store i32 2, ptr %33, align 4, !tbaa !5
  %34 = getelementptr inbounds i32, ptr %13, i64 2
  store i32 3, ptr %34, align 4, !tbaa !5
  %35 = getelementptr inbounds %"class.std::initializer_list.5", ptr %12, i32 0, i32 0
  store ptr %13, ptr %35, align 8, !tbaa !9
  %36 = getelementptr inbounds %"class.std::initializer_list.5", ptr %12, i32 0, i32 1
  store i64 3, ptr %36, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  %37 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 0
  %38 = load ptr, ptr %37, align 8
  %39 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 1
  %40 = load i64, ptr %39, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %32, ptr %38, i64 %40, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %41 unwind label %86

41:                                               ; preds = %31
  %42 = getelementptr inbounds %"class.std::vector.0", ptr %5, i64 2
  store ptr %42, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %16) #6
  store i32 1, ptr %16, align 4, !tbaa !5
  %43 = getelementptr inbounds i32, ptr %16, i64 1
  store i32 1, ptr %43, align 4, !tbaa !5
  %44 = getelementptr inbounds i32, ptr %16, i64 2
  store i32 4, ptr %44, align 4, !tbaa !5
  %45 = getelementptr inbounds %"class.std::initializer_list.5", ptr %15, i32 0, i32 0
  store ptr %16, ptr %45, align 8, !tbaa !9
  %46 = getelementptr inbounds %"class.std::initializer_list.5", ptr %15, i32 0, i32 1
  store i64 3, ptr %46, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %17) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  %47 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 0
  %48 = load ptr, ptr %47, align 8
  %49 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 1
  %50 = load i64, ptr %49, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr %48, i64 %50, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %51 unwind label %90

51:                                               ; preds = %41
  %52 = getelementptr inbounds %"class.std::vector.0", ptr %5, i64 3
  store ptr %52, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %19) #6
  store i32 2, ptr %19, align 4, !tbaa !5
  %53 = getelementptr inbounds i32, ptr %19, i64 1
  store i32 1, ptr %53, align 4, !tbaa !5
  %54 = getelementptr inbounds i32, ptr %19, i64 2
  store i32 4, ptr %54, align 4, !tbaa !5
  %55 = getelementptr inbounds %"class.std::initializer_list.5", ptr %18, i32 0, i32 0
  store ptr %19, ptr %55, align 8, !tbaa !9
  %56 = getelementptr inbounds %"class.std::initializer_list.5", ptr %18, i32 0, i32 1
  store i64 3, ptr %56, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  %57 = getelementptr inbounds { ptr, i64 }, ptr %18, i32 0, i32 0
  %58 = load ptr, ptr %57, align 8
  %59 = getelementptr inbounds { ptr, i64 }, ptr %18, i32 0, i32 1
  %60 = load i64, ptr %59, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %52, ptr %58, i64 %60, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %61 unwind label %94

61:                                               ; preds = %51
  store i1 false, ptr %21, align 1
  %62 = getelementptr inbounds %"class.std::initializer_list", ptr %4, i32 0, i32 0
  store ptr %5, ptr %62, align 8, !tbaa !14
  %63 = getelementptr inbounds %"class.std::initializer_list", ptr %4, i32 0, i32 1
  store i64 4, ptr %63, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 1, ptr %22) #6
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #6
  %64 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 0
  %65 = load ptr, ptr %64, align 8
  %66 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 1
  %67 = load i64, ptr %66, align 8
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr %65, i64 %67, ptr noundef nonnull align 1 dereferenceable(1) %22)
          to label %68 unwind label %98

68:                                               ; preds = %61
  %69 = invoke noundef i32 @_ZN8Solution19maxNumEdgesToRemoveEiSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1) %2, i32 noundef 4, ptr noundef %3)
          to label %70 unwind label %102

70:                                               ; preds = %68
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %69)
          to label %72 unwind label %102

72:                                               ; preds = %70
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %71, ptr noundef @.str)
          to label %74 unwind label %102

74:                                               ; preds = %72
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %22) #6
  %75 = getelementptr inbounds [4 x %"class.std::vector.0"], ptr %5, i32 0, i32 0
  %76 = getelementptr inbounds %"class.std::vector.0", ptr %75, i64 4
  br label %77

77:                                               ; preds = %77, %74
  %78 = phi ptr [ %76, %74 ], [ %79, %77 ]
  %79 = getelementptr inbounds %"class.std::vector.0", ptr %78, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %79) #6
  %80 = icmp eq ptr %79, %75
  br i1 %80, label %81, label %77

81:                                               ; preds = %77
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %19) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %16) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %13) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 96, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #6
  ret i32 0

82:                                               ; preds = %0
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %10, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %11, align 4
  br label %117

86:                                               ; preds = %31
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %10, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %11, align 4
  br label %116

90:                                               ; preds = %41
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %10, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %11, align 4
  br label %115

94:                                               ; preds = %51
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %10, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %11, align 4
  br label %114

98:                                               ; preds = %61
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %10, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %11, align 4
  br label %106

102:                                              ; preds = %72, %70, %68
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %10, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %11, align 4
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %106

106:                                              ; preds = %102, %98
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %22) #6
  %107 = getelementptr inbounds [4 x %"class.std::vector.0"], ptr %5, i32 0, i32 0
  %108 = getelementptr inbounds %"class.std::vector.0", ptr %107, i64 4
  br label %109

109:                                              ; preds = %109, %106
  %110 = phi ptr [ %108, %106 ], [ %111, %109 ]
  %111 = getelementptr inbounds %"class.std::vector.0", ptr %110, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %111) #6
  %112 = icmp eq ptr %111, %107
  br i1 %112, label %113, label %109

113:                                              ; preds = %109
  br label %114

114:                                              ; preds = %113, %94
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %19) #6
  br label %115

115:                                              ; preds = %114, %90
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %16) #6
  br label %116

116:                                              ; preds = %115, %86
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %13) #6
  br label %117

117:                                              ; preds = %116, %82
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #6
  %118 = load i1, ptr %21, align 1
  br i1 %118, label %119, label %127

119:                                              ; preds = %117
  %120 = load ptr, ptr %6, align 8
  %121 = icmp eq ptr %5, %120
  br i1 %121, label %126, label %122

122:                                              ; preds = %122, %119
  %123 = phi ptr [ %120, %119 ], [ %124, %122 ]
  %124 = getelementptr inbounds %"class.std::vector.0", ptr %123, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %124) #6
  %125 = icmp eq ptr %124, %5
  br i1 %125, label %126, label %122

126:                                              ; preds = %122, %119
  br label %127

127:                                              ; preds = %126, %117
  call void @llvm.lifetime.end.p0(i64 96, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #6
  br label %128

128:                                              ; preds = %127
  %129 = load ptr, ptr %10, align 8
  %130 = load i32, ptr %11, align 4
  %131 = insertvalue { ptr, i32 } poison, ptr %129, 0
  %132 = insertvalue { ptr, i32 } %131, i32 %130, 1
  resume { ptr, i32 } %132
}

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8Solution19maxNumEdgesToRemoveEiSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1), i32 noundef, ptr noundef) #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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

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

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(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 = { 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 = !{!10, !11, i64 0}
!10 = !{!"_ZTSSt16initializer_listIiE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !12, i64 8}
!14 = !{!15, !11, i64 0}
!15 = !{!"_ZTSSt16initializer_listISt6vectorIiSaIiEEE", !11, i64 0, !12, i64 8}
!16 = !{!15, !12, i64 8}


; 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.Solution = type { i8 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.2" = type { i8 }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.Solution, align 1
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca [4 x %"class.std::vector.0"], align 8
  %4 = alloca [3 x i32], align 4
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = alloca [3 x i32], align 4
  %7 = alloca %"class.std::allocator.2", align 1
  %8 = alloca [3 x i32], align 4
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca [3 x i32], align 4
  %11 = alloca %"class.std::allocator.2", align 1
  %12 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %4) #6
  store i32 3, ptr %4, align 4, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %4, i64 4
  store i32 1, ptr %13, align 4, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %4, i64 8
  store i32 2, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr nonnull %4, i64 3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %.thread

15:                                               ; preds = %0
  %16 = getelementptr inbounds i8, ptr %3, i64 24
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #6
  store i32 3, ptr %6, align 4, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %6, i64 4
  store i32 2, ptr %17, align 4, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %6, i64 8
  store i32 3, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr nonnull %6, i64 3, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %19 unwind label %39

19:                                               ; preds = %15
  %20 = getelementptr inbounds i8, ptr %3, i64 48
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %8) #6
  store i32 1, ptr %8, align 4, !tbaa !5
  %21 = getelementptr inbounds i8, ptr %8, i64 4
  store i32 1, ptr %21, align 4, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %8, i64 8
  store i32 4, ptr %22, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %20, ptr nonnull %8, i64 3, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %23 unwind label %41

23:                                               ; preds = %19
  %24 = getelementptr inbounds i8, ptr %3, i64 72
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %10) #6
  store i32 2, ptr %10, align 4, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %10, i64 4
  store i32 1, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds i8, ptr %10, i64 8
  store i32 4, ptr %26, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr nonnull %10, i64 3, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %27 unwind label %43

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #6
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr nonnull %3, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %28 unwind label %45

28:                                               ; preds = %27
  %29 = invoke noundef i32 @_ZN8Solution19maxNumEdgesToRemoveEiSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1) %1, i32 noundef 4, ptr noundef nonnull %2)
          to label %30 unwind label %47

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %29)
          to label %32 unwind label %47

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef nonnull @.str)
          to label %34 unwind label %47

34:                                               ; preds = %32
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  %35 = getelementptr inbounds i8, ptr %3, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %35) #6
  %36 = getelementptr inbounds i8, ptr %3, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %36) #6
  %37 = getelementptr inbounds i8, ptr %3, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %37) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #6
  ret i32 0

.thread:                                          ; preds = %0
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #6
  br label %.loopexit

39:                                               ; preds = %15
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %54

41:                                               ; preds = %19
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %53

43:                                               ; preds = %23
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit35

45:                                               ; preds = %27
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit35.loopexit

47:                                               ; preds = %32, %30, %28
  %48 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %.loopexit35.loopexit

.loopexit35.loopexit:                             ; preds = %47, %45
  %.pn = phi { ptr, i32 } [ %48, %47 ], [ %46, %45 ]
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  %49 = getelementptr inbounds i8, ptr %3, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %49) #6
  %50 = getelementptr inbounds i8, ptr %3, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %50) #6
  %51 = getelementptr inbounds i8, ptr %3, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %51) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %.loopexit35

.loopexit35:                                      ; preds = %.loopexit35.loopexit, %43
  %.pn.pn = phi { ptr, i32 } [ %44, %43 ], [ %.pn, %.loopexit35.loopexit ]
  %52 = phi i1 [ false, %43 ], [ true, %.loopexit35.loopexit ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #6
  br label %53

53:                                               ; preds = %.loopexit35, %41
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %.loopexit35 ], [ %42, %41 ]
  %.012 = phi ptr [ %24, %.loopexit35 ], [ %20, %41 ]
  %.1 = phi i1 [ %52, %.loopexit35 ], [ false, %41 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #6
  br label %54

54:                                               ; preds = %39, %53
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %53 ], [ %40, %39 ]
  %.113 = phi ptr [ %.012, %53 ], [ %16, %39 ]
  %.2 = phi i1 [ %.1, %53 ], [ false, %39 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %4) #6
  br i1 %.2, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %54, %.preheader
  %55 = phi ptr [ %56, %.preheader ], [ %.113, %54 ]
  %56 = getelementptr inbounds i8, ptr %55, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %56) #6
  %57 = icmp eq ptr %56, %3
  br i1 %57, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %.thread, %54
  %.pn.pn.pn.pn.pn34 = phi { ptr, i32 } [ %38, %.thread ], [ %.pn.pn.pn.pn, %54 ], [ %.pn.pn.pn.pn, %.preheader ]
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn.pn.pn.pn34
}

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8Solution19maxNumEdgesToRemoveEiSt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1), i32 noundef, ptr noundef) local_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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; 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 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(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 = { 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"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass