; LLVM IR from Tunghohin/Competitive_Coding :: Codeforces/cf1650_C.ll (Z5solvev)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl" }
%"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl" = type { %"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.Node = type { i32, i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z11comp_weight4NodeS_(i64, i32, i64, i32) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z6comp_x4NodeS_(i64, i32, i64, i32) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %struct.Node, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca i64, align 8
  %16 = alloca %"class.std::vector.0", align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca %"struct.std::pair", align 4
  %20 = alloca ptr, align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %23 = alloca %"struct.std::pair", align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %24 = 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)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  call void @_ZNSt6vectorI4NodeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %43, %0
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = icmp sle i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %55

31:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %33 unwind label %46

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %35 unwind label %46

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 12, ptr %9) #7
  %36 = getelementptr inbounds %struct.Node, ptr %9, i32 0, i32 0
  %37 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %37, ptr %36, align 4, !tbaa !9
  %38 = getelementptr inbounds %struct.Node, ptr %9, i32 0, i32 1
  %39 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %39, ptr %38, align 4, !tbaa !11
  %40 = getelementptr inbounds %struct.Node, ptr %9, i32 0, i32 2
  %41 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %41, ptr %40, align 4, !tbaa !12
  invoke void @_ZNSt6vectorI4NodeSaIS0_EE9push_backEOS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(12) %9)
          to label %42 unwind label %50

42:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %4, align 4, !tbaa !5
  br label %26, !llvm.loop !13

46:                                               ; preds = %33, %31
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %7, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %8, align 4
  br label %54

50:                                               ; preds = %35
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %7, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #7
  br label %54

54:                                               ; preds = %50, %46
  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
  br label %172

55:                                               ; preds = %30
  %56 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %57 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %56, ptr %57, align 8
  %58 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %59 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %58, ptr %59, align 8
  %60 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8
  %62 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %63 = load ptr, ptr %62, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr %61, ptr %63, ptr noundef @_Z11comp_weight4NodeS_)
          to label %64 unwind label %87

64:                                               ; preds = %55
  %65 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %66 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %65, ptr %66, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %67 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %68 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %67, ptr %68, align 8
  %69 = load i32, ptr %1, align 4, !tbaa !5
  %70 = mul nsw i32 2, %69
  %71 = sext i32 %70 to i64
  %72 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS1_SaIS1_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %14, i64 noundef %71) #7
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %75 = load ptr, ptr %74, align 8
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %77 = load ptr, ptr %76, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr %75, ptr %77, ptr noundef @_Z6comp_x4NodeS_)
          to label %78 unwind label %91

78:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  store i64 0, ptr %15, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 24, ptr %16) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  %79 = load i32, ptr %1, align 4, !tbaa !5
  %80 = mul nsw i32 2, %79
  %81 = sub nsw i32 %80, 1
  store i32 %81, ptr %18, align 4, !tbaa !5
  br label %82

82:                                               ; preds = %120, %78
  %83 = load i32, ptr %17, align 4, !tbaa !5
  %84 = load i32, ptr %18, align 4, !tbaa !5
  %85 = icmp slt i32 %83, %84
  br i1 %85, label %95, label %86

86:                                               ; preds = %82
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %129

87:                                               ; preds = %55
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %7, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %8, align 4
  br label %172

91:                                               ; preds = %64
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %7, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %172

95:                                               ; preds = %82
  %96 = load i32, ptr %17, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %97) #7
  %99 = getelementptr inbounds %struct.Node, ptr %98, i32 0, i32 1
  %100 = load i32, ptr %99, align 4, !tbaa !11
  %101 = load i32, ptr %18, align 4, !tbaa !5
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %102) #7
  %104 = getelementptr inbounds %struct.Node, ptr %103, i32 0, i32 1
  %105 = load i32, ptr %104, align 4, !tbaa !11
  %106 = add nsw i32 %100, %105
  %107 = sext i32 %106 to i64
  %108 = load i64, ptr %15, align 8, !tbaa !15
  %109 = add nsw i64 %108, %107
  store i64 %109, ptr %15, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #7
  %110 = load i32, ptr %17, align 4, !tbaa !5
  %111 = sext i32 %110 to i64
  %112 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %111) #7
  %113 = getelementptr inbounds %struct.Node, ptr %112, i32 0, i32 2
  %114 = load i32, ptr %18, align 4, !tbaa !5
  %115 = sext i32 %114 to i64
  %116 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %115) #7
  %117 = getelementptr inbounds %struct.Node, ptr %116, i32 0, i32 2
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %19, ptr noundef nonnull align 4 dereferenceable(4) %113, ptr noundef nonnull align 4 dereferenceable(4) %117)
          to label %118 unwind label %125

118:                                              ; preds = %95
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr noundef nonnull align 4 dereferenceable(8) %19)
          to label %119 unwind label %125

119:                                              ; preds = %118
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  br label %120

120:                                              ; preds = %119
  %121 = load i32, ptr %17, align 4, !tbaa !5
  %122 = add nsw i32 %121, 1
  store i32 %122, ptr %17, align 4, !tbaa !5
  %123 = load i32, ptr %18, align 4, !tbaa !5
  %124 = add nsw i32 %123, -1
  store i32 %124, ptr %18, align 4, !tbaa !5
  br label %82, !llvm.loop !17

125:                                              ; preds = %118, %95
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %7, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %171

129:                                              ; preds = %86
  %130 = load i64, ptr %15, align 8, !tbaa !15
  %131 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %130)
          to label %132 unwind label %144

132:                                              ; preds = %129
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %131, i8 noundef signext 10)
          to label %134 unwind label %144

134:                                              ; preds = %132
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  store ptr %16, ptr %20, align 8, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  %135 = load ptr, ptr %20, align 8, !tbaa !18
  %136 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %135) #7
  %137 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %21, i32 0, i32 0
  store ptr %136, ptr %137, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #7
  %138 = load ptr, ptr %20, align 8, !tbaa !18
  %139 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %138) #7
  %140 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %22, i32 0, i32 0
  store ptr %139, ptr %140, align 8
  br label %141

141:                                              ; preds = %162, %134
  %142 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #7
  br i1 %142, label %148, label %143

143:                                              ; preds = %141
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br label %168

144:                                              ; preds = %168, %132, %129
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %7, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %8, align 4
  br label %171

148:                                              ; preds = %141
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #7
  %149 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %23, ptr align 4 %149, i64 8, i1 false)
  %150 = getelementptr inbounds %"struct.std::pair", ptr %23, i32 0, i32 0
  %151 = load i32, ptr %150, align 4, !tbaa !20
  %152 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %151)
          to label %153 unwind label %164

153:                                              ; preds = %148
  %154 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %152, i8 noundef signext 32)
          to label %155 unwind label %164

155:                                              ; preds = %153
  %156 = getelementptr inbounds %"struct.std::pair", ptr %23, i32 0, i32 1
  %157 = load i32, ptr %156, align 4, !tbaa !22
  %158 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %154, i32 noundef %157)
          to label %159 unwind label %164

159:                                              ; preds = %155
  %160 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %158, i8 noundef signext 10)
          to label %161 unwind label %164

161:                                              ; preds = %159
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  br label %162

162:                                              ; preds = %161
  %163 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #7
  br label %141

164:                                              ; preds = %159, %155, %153, %148
  %165 = landingpad { ptr, i32 }
          cleanup
  %166 = extractvalue { ptr, i32 } %165, 0
  store ptr %166, ptr %7, align 8
  %167 = extractvalue { ptr, i32 } %165, 1
  store i32 %167, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br label %171

168:                                              ; preds = %143
  %169 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
          to label %170 unwind label %144

170:                                              ; preds = %168
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  call void @_ZNSt6vectorI4NodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #7
  ret void

171:                                              ; preds = %164, %144, %125
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %172

172:                                              ; preds = %171, %91, %87, %54
  call void @_ZNSt6vectorI4NodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #7
  br label %173

173:                                              ; preds = %172
  %174 = load ptr, ptr %7, align 8
  %175 = load i32, ptr %8, align 4
  %176 = insertvalue { ptr, i32 } poison, ptr %174, 0
  %177 = insertvalue { ptr, i32 } %176, i32 %175, 1
  resume { ptr, i32 } %177
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4NodeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4NodeSaIS0_EE9push_backEOS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) #2 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr, ptr, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4NodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS1_SaIS1_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4NodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!10, !6, i64 0}
!10 = !{!"_ZTS4Node", !6, i64 0, !6, i64 4, !6, i64 8}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!16, !16, i64 0}
!16 = !{!"long long", !7, i64 0}
!17 = distinct !{!17, !14}
!18 = !{!19, !19, i64 0}
!19 = !{!"any pointer", !7, i64 0}
!20 = !{!21, !6, i64 0}
!21 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!22 = !{!21, !6, i64 4}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl" }
%"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl" = type { %"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Node, std::allocator<Node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.Node = type { i32, i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z11comp_weight4NodeS_(i64, i32, i64, i32) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z6comp_x4NodeS_(i64, i32, i64, i32) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %struct.Node, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca %"struct.std::pair", align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %12 = 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)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorI4NodeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %.not32 = icmp slt i32 %14, 1
  br i1 %.not32, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0
  %15 = getelementptr inbounds i8, ptr %6, i64 4
  %16 = getelementptr inbounds i8, ptr %6, i64 8
  br label %19

._crit_edge:                                      ; preds = %26, %0
  %17 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %18 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr %17, ptr %18, ptr noundef nonnull @_Z11comp_weight4NodeS_)
          to label %34 unwind label %48

19:                                               ; preds = %.lr.ph, %26
  %.033 = phi i32 [ 1, %.lr.ph ], [ %27, %26 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %20 = 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 %21 unwind label %29

21:                                               ; preds = %19
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %23 unwind label %29

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #6
  %24 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %24, ptr %6, align 4, !tbaa !9
  %25 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %25, ptr %15, align 4, !tbaa !11
  store i32 %.033, ptr %16, align 4, !tbaa !12
  invoke void @_ZNSt6vectorI4NodeSaIS0_EE9push_backEOS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(12) %6)
          to label %26 unwind label %31

26:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %27 = add nuw nsw i32 %.033, 1
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.033, %28
  br i1 %.not.not, label %19, label %._crit_edge, !llvm.loop !13

29:                                               ; preds = %21, %19
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %33

31:                                               ; preds = %23
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #6
  br label %33

33:                                               ; preds = %31, %29
  %.pn28 = phi { ptr, i32 } [ %32, %31 ], [ %30, %29 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %93

34:                                               ; preds = %._crit_edge
  %35 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %36 = call ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  store ptr %36, ptr %7, align 8
  %37 = load i32, ptr %1, align 4, !tbaa !5
  %38 = shl nsw i32 %37, 1
  %39 = sext i32 %38 to i64
  %40 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS1_SaIS1_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %7, i64 noundef %39) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr %35, ptr %40, ptr noundef nonnull @_Z6comp_x4NodeS_)
          to label %41 unwind label %50

41:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %42 = load i32, ptr %1, align 4, !tbaa !5
  %43 = icmp sgt i32 %42, 0
  br i1 %43, label %.lr.ph39.preheader, label %._crit_edge40

.lr.ph39.preheader:                               ; preds = %41
  %44 = shl nuw i32 %42, 1
  %45 = add i32 %44, -1
  %46 = sext i32 %45 to i64
  br label %.lr.ph39

._crit_edge40:                                    ; preds = %62, %41
  %.026.lcssa = phi i64 [ 0, %41 ], [ %65, %62 ]
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.026.lcssa)
          to label %69 unwind label %76

48:                                               ; preds = %._crit_edge
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %93

50:                                               ; preds = %34
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %93

.lr.ph39:                                         ; preds = %.lr.ph39.preheader, %62
  %indvars.iv44 = phi i64 [ 0, %.lr.ph39.preheader ], [ %indvars.iv.next45, %62 ]
  %indvars.iv = phi i64 [ %46, %.lr.ph39.preheader ], [ %indvars.iv.next, %62 ]
  %.02635 = phi i64 [ 0, %.lr.ph39.preheader ], [ %65, %62 ]
  %52 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv44) #6
  %53 = getelementptr inbounds i8, ptr %52, i64 4
  %54 = load i32, ptr %53, align 4, !tbaa !11
  %55 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  %56 = getelementptr inbounds i8, ptr %55, i64 4
  %57 = load i32, ptr %56, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %58 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv44) #6
  %59 = getelementptr inbounds i8, ptr %58, i64 8
  %60 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  %61 = getelementptr inbounds i8, ptr %60, i64 8
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(4) %59, ptr noundef nonnull align 4 dereferenceable(4) %61)
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %62 unwind label %67

62:                                               ; preds = %.lr.ph39
  %63 = add nsw i32 %57, %54
  %64 = sext i32 %63 to i64
  %65 = add nsw i64 %.02635, %64
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  %indvars.iv.next45 = add nuw nsw i64 %indvars.iv44, 1
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %66 = icmp slt i64 %indvars.iv.next45, %indvars.iv.next
  br i1 %66, label %.lr.ph39, label %._crit_edge40, !llvm.loop !15

67:                                               ; preds = %.lr.ph39
  %68 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  br label %92

69:                                               ; preds = %._crit_edge40
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %47, i8 noundef signext 10)
          to label %71 unwind label %76

71:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %72 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  store ptr %72, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %73 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  store ptr %73, ptr %11, align 8
  %74 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br i1 %74, label %.lr.ph42, label %._crit_edge43

._crit_edge43:                                    ; preds = %86, %71
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext 10)
          to label %91 unwind label %76

76:                                               ; preds = %._crit_edge43, %69, %._crit_edge40
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %92

.lr.ph42:                                         ; preds = %71, %86
  %78 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %.sroa.0.0.copyload = load i32, ptr %78, align 4
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %78, i64 4
  %.sroa.5.0.copyload = load i32, ptr %.sroa.5.0..sroa_idx, align 4
  %79 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sroa.0.0.copyload)
          to label %80 unwind label %89

80:                                               ; preds = %.lr.ph42
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %79, i8 noundef signext 32)
          to label %82 unwind label %89

82:                                               ; preds = %80
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %81, i32 noundef %.sroa.5.0.copyload)
          to label %84 unwind label %89

84:                                               ; preds = %82
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %83, i8 noundef signext 10)
          to label %86 unwind label %89

86:                                               ; preds = %84
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %88 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br i1 %88, label %.lr.ph42, label %._crit_edge43

89:                                               ; preds = %84, %82, %80, %.lr.ph42
  %90 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  br label %92

91:                                               ; preds = %._crit_edge43
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  call void @_ZNSt6vectorI4NodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret void

92:                                               ; preds = %89, %76, %67
  %.pn = phi { ptr, i32 } [ %68, %67 ], [ %90, %89 ], [ %77, %76 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  br label %93

93:                                               ; preds = %92, %50, %48, %33
  %.pn28.pn = phi { ptr, i32 } [ %.pn28, %33 ], [ %.pn, %92 ], [ %51, %50 ], [ %49, %48 ]
  call void @_ZNSt6vectorI4NodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn28.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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 nounwind uwtable
declare dso_local void @_ZNSt6vectorI4NodeSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4NodeSaIS0_EE9push_backEOS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS2_SaIS2_EEEEPFbS2_S2_EEvT_SA_T0_(ptr, ptr, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4NodeSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4NodeSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4NodeSt6vectorIS1_SaIS1_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4NodeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4NodeSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = { 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, !6, i64 0}
!10 = !{!"_ZTS4Node", !6, i64 0, !6, i64 4, !6, i64 8}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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