; LLVM IR from drken1215/book_algorithm_solution :: codes/chap06 (code_6_5)

; 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<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i8, align 1
  %17 = alloca %"class.std::vector", align 8
  %18 = alloca i64, align 8
  %19 = alloca %"class.std::allocator", align 1
  %20 = alloca i32, align 4
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  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) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %27 unwind label %36

27:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #7
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %29, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %30 unwind label %40

30:                                               ; preds = %27
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %55, %30
  %32 = load i32, ptr %9, align 4, !tbaa !5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %44, label %35

35:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %62

36:                                               ; preds = %0
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %5, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %198

40:                                               ; preds = %27
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %5, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #7
  br label %197

44:                                               ; preds = %31
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %46) #7
  %48 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %47)
          to label %49 unwind label %58

49:                                               ; preds = %44
  %50 = load i32, ptr %9, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %51) #7
  %53 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 8 dereferenceable(8) %52)
          to label %54 unwind label %58

54:                                               ; preds = %49
  br label %55

55:                                               ; preds = %54
  %56 = load i32, ptr %9, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %9, align 4, !tbaa !5
  br label %31, !llvm.loop !9

58:                                               ; preds = %49, %44
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %5, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %196

62:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #7
  store i64 0, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %63

63:                                               ; preds = %84, %62
  %64 = load i32, ptr %11, align 4, !tbaa !5
  %65 = load i32, ptr %2, align 4, !tbaa !5
  %66 = icmp slt i32 %64, %65
  br i1 %66, label %68, label %67

67:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %91

68:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %69 = load i32, ptr %11, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %70) #7
  %72 = load i64, ptr %71, align 8, !tbaa !11
  %73 = load i32, ptr %11, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %74) #7
  %76 = load i64, ptr %75, align 8, !tbaa !11
  %77 = load i32, ptr %2, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = mul nsw i64 %76, %78
  %80 = add nsw i64 %72, %79
  store i64 %80, ptr %12, align 8, !tbaa !11
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %82 unwind label %87

82:                                               ; preds = %68
  %83 = load i64, ptr %81, align 8, !tbaa !11
  store i64 %83, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %84

84:                                               ; preds = %82
  %85 = load i32, ptr %11, align 4, !tbaa !5
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %11, align 4, !tbaa !5
  br label %63, !llvm.loop !13

87:                                               ; preds = %68
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %5, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %195

91:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  store i64 0, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %92 = load i64, ptr %10, align 8, !tbaa !11
  store i64 %92, ptr %14, align 8, !tbaa !11
  br label %93

93:                                               ; preds = %181, %91
  %94 = load i64, ptr %14, align 8, !tbaa !11
  %95 = load i64, ptr %13, align 8, !tbaa !11
  %96 = sub nsw i64 %94, %95
  %97 = icmp sgt i64 %96, 1
  br i1 %97, label %98, label %183

98:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %99 = load i64, ptr %13, align 8, !tbaa !11
  %100 = load i64, ptr %14, align 8, !tbaa !11
  %101 = add nsw i64 %99, %100
  %102 = sdiv i64 %101, 2
  store i64 %102, ptr %15, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #7
  store i8 1, ptr %16, align 1, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #7
  %103 = load i32, ptr %2, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #7
  store i64 0, ptr %18, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %104, ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %105 unwind label %111

105:                                              ; preds = %98
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #7
  store i32 0, ptr %20, align 4, !tbaa !5
  br label %106

106:                                              ; preds = %139, %105
  %107 = load i32, ptr %20, align 4, !tbaa !5
  %108 = load i32, ptr %2, align 4, !tbaa !5
  %109 = icmp slt i32 %107, %108
  br i1 %109, label %115, label %110

110:                                              ; preds = %106
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #7
  br label %142

111:                                              ; preds = %98
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %5, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #7
  br label %182

115:                                              ; preds = %106
  %116 = load i64, ptr %15, align 8, !tbaa !11
  %117 = load i32, ptr %20, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %118) #7
  %120 = load i64, ptr %119, align 8, !tbaa !11
  %121 = icmp slt i64 %116, %120
  br i1 %121, label %122, label %123

122:                                              ; preds = %115
  store i8 0, ptr %16, align 1, !tbaa !14
  br label %138

123:                                              ; preds = %115
  %124 = load i64, ptr %15, align 8, !tbaa !11
  %125 = load i32, ptr %20, align 4, !tbaa !5
  %126 = sext i32 %125 to i64
  %127 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %126) #7
  %128 = load i64, ptr %127, align 8, !tbaa !11
  %129 = sub nsw i64 %124, %128
  %130 = load i32, ptr %20, align 4, !tbaa !5
  %131 = sext i32 %130 to i64
  %132 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %131) #7
  %133 = load i64, ptr %132, align 8, !tbaa !11
  %134 = sdiv i64 %129, %133
  %135 = load i32, ptr %20, align 4, !tbaa !5
  %136 = sext i32 %135 to i64
  %137 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %136) #7
  store i64 %134, ptr %137, align 8, !tbaa !11
  br label %138

138:                                              ; preds = %123, %122
  br label %139

139:                                              ; preds = %138
  %140 = load i32, ptr %20, align 4, !tbaa !5
  %141 = add nsw i32 %140, 1
  store i32 %141, ptr %20, align 4, !tbaa !5
  br label %106, !llvm.loop !16

142:                                              ; preds = %110
  %143 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  %144 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %143, ptr %144, align 8
  %145 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  %146 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %145, ptr %146, align 8
  %147 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  %148 = load ptr, ptr %147, align 8
  %149 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  %150 = load ptr, ptr %149, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %148, ptr %150)
          to label %151 unwind label %157

151:                                              ; preds = %142
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  store i32 0, ptr %23, align 4, !tbaa !5
  br label %152

152:                                              ; preds = %171, %151
  %153 = load i32, ptr %23, align 4, !tbaa !5
  %154 = load i32, ptr %2, align 4, !tbaa !5
  %155 = icmp slt i32 %153, %154
  br i1 %155, label %161, label %156

156:                                              ; preds = %152
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %174

157:                                              ; preds = %142
  %158 = landingpad { ptr, i32 }
          cleanup
  %159 = extractvalue { ptr, i32 } %158, 0
  store ptr %159, ptr %5, align 8
  %160 = extractvalue { ptr, i32 } %158, 1
  store i32 %160, ptr %6, align 4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  br label %182

161:                                              ; preds = %152
  %162 = load i32, ptr %23, align 4, !tbaa !5
  %163 = sext i32 %162 to i64
  %164 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %163) #7
  %165 = load i64, ptr %164, align 8, !tbaa !11
  %166 = load i32, ptr %23, align 4, !tbaa !5
  %167 = sext i32 %166 to i64
  %168 = icmp slt i64 %165, %167
  br i1 %168, label %169, label %170

169:                                              ; preds = %161
  store i8 0, ptr %16, align 1, !tbaa !14
  br label %170

170:                                              ; preds = %169, %161
  br label %171

171:                                              ; preds = %170
  %172 = load i32, ptr %23, align 4, !tbaa !5
  %173 = add nsw i32 %172, 1
  store i32 %173, ptr %23, align 4, !tbaa !5
  br label %152, !llvm.loop !17

174:                                              ; preds = %156
  %175 = load i8, ptr %16, align 1, !tbaa !14, !range !18, !noundef !19
  %176 = trunc i8 %175 to i1
  br i1 %176, label %177, label %179

177:                                              ; preds = %174
  %178 = load i64, ptr %15, align 8, !tbaa !11
  store i64 %178, ptr %14, align 8, !tbaa !11
  br label %181

179:                                              ; preds = %174
  %180 = load i64, ptr %15, align 8, !tbaa !11
  store i64 %180, ptr %13, align 8, !tbaa !11
  br label %181

181:                                              ; preds = %179, %177
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %93, !llvm.loop !20

182:                                              ; preds = %157, %111
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %194

183:                                              ; preds = %93
  %184 = load i64, ptr %14, align 8, !tbaa !11
  %185 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %184)
          to label %186 unwind label %190

186:                                              ; preds = %183
  %187 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %185, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %188 unwind label %190

188:                                              ; preds = %186
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(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
  %189 = load i32, ptr %1, align 4
  ret i32 %189

190:                                              ; preds = %186, %183
  %191 = landingpad { ptr, i32 }
          cleanup
  %192 = extractvalue { ptr, i32 } %191, 0
  store ptr %192, ptr %5, align 8
  %193 = extractvalue { ptr, i32 } %191, 1
  store i32 %193, ptr %6, align 4
  br label %194

194:                                              ; preds = %190, %182
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %195

195:                                              ; preds = %194, %87
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #7
  br label %196

196:                                              ; preds = %195, %58
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  br label %197

197:                                              ; preds = %196, %40
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %198

198:                                              ; preds = %197, %36
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %199

199:                                              ; preds = %198
  %200 = load ptr, ptr %5, align 8
  %201 = load i32, ptr %6, align 4
  %202 = insertvalue { ptr, i32 } poison, ptr %200, 0
  %203 = insertvalue { ptr, i32 } %202, i32 %201, 1
  resume { ptr, i32 } %203
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { 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 = { 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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = !{!15, !15, i64 0}
!15 = !{!"bool", !7, i64 0}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !10}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = distinct !{!20, !10}


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

%"class.std::basic_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<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %14 unwind label %21

14:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %17 unwind label %23

17:                                               ; preds = %14
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %._crit_edge76

._crit_edge:                                      ; preds = %30
  %20 = icmp sgt i32 %31, 0
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store i64 0, ptr %6, align 8, !tbaa !9
  br i1 %20, label %.lr.ph60, label %._crit_edge76

21:                                               ; preds = %0
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  br label %98

23:                                               ; preds = %14
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %97

.lr.ph:                                           ; preds = %17, %30
  %indvars.iv = phi i64 [ %indvars.iv.next, %30 ], [ 0, %17 ]
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %25)
          to label %27 unwind label %34

27:                                               ; preds = %.lr.ph
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #7
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 8 dereferenceable(8) %28)
          to label %30 unwind label %34

30:                                               ; preds = %27
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %31 = load i32, ptr %1, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = icmp slt i64 %indvars.iv.next, %32
  br i1 %33, label %.lr.ph, label %._crit_edge, !llvm.loop !11

34:                                               ; preds = %27, %.lr.ph
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %96

._crit_edge61:                                    ; preds = %.lr.ph60
  %36 = icmp sgt i64 %46, 1
  br i1 %36, label %.lr.ph75, label %._crit_edge76

.lr.ph60:                                         ; preds = %._crit_edge, %.lr.ph60
  %indvars.iv79 = phi i64 [ %indvars.iv.next80, %.lr.ph60 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv79) #7
  %38 = load i64, ptr %37, align 8, !tbaa !9
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv79) #7
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = mul nsw i64 %40, %42
  %44 = add nsw i64 %43, %38
  store i64 %44, ptr %7, align 8, !tbaa !9
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
  %46 = load i64, ptr %45, align 8, !tbaa !9
  store i64 %46, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  %indvars.iv.next80 = add nuw nsw i64 %indvars.iv79, 1
  %47 = load i32, ptr %1, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = icmp slt i64 %indvars.iv.next80, %48
  br i1 %49, label %.lr.ph60, label %._crit_edge61, !llvm.loop !13

.lr.ph75:                                         ; preds = %._crit_edge61, %._crit_edge70
  %.04373 = phi i64 [ %..043, %._crit_edge70 ], [ %46, %._crit_edge61 ]
  %.04572 = phi i64 [ %.045., %._crit_edge70 ], [ 0, %._crit_edge61 ]
  %50 = add nsw i64 %.04373, %.04572
  %51 = sdiv i64 %50, 2
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #7
  %52 = load i32, ptr %1, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  store i64 0, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %53, ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %54 unwind label %61

54:                                               ; preds = %.lr.ph75
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  %55 = load i32, ptr %1, align 4, !tbaa !5
  %56 = icmp sgt i32 %55, 0
  br i1 %56, label %.lr.ph65, label %._crit_edge66

._crit_edge66:                                    ; preds = %74, %54
  %.038.lcssa = phi i1 [ true, %54 ], [ %.139, %74 ]
  %57 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %58 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %57, ptr %58)
          to label %.preheader unwind label %80

.preheader:                                       ; preds = %._crit_edge66
  %59 = load i32, ptr %1, align 4, !tbaa !5
  %60 = icmp sgt i32 %59, 0
  br i1 %60, label %.lr.ph69, label %._crit_edge70

61:                                               ; preds = %.lr.ph75
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %88

.lr.ph65:                                         ; preds = %54, %74
  %indvars.iv82 = phi i64 [ %indvars.iv.next83, %74 ], [ 0, %54 ]
  %.03862 = phi i1 [ %.139, %74 ], [ true, %54 ]
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv82) #7
  %64 = load i64, ptr %63, align 8, !tbaa !9
  %65 = icmp slt i64 %51, %64
  br i1 %65, label %74, label %66

66:                                               ; preds = %.lr.ph65
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv82) #7
  %68 = load i64, ptr %67, align 8, !tbaa !9
  %69 = sub nsw i64 %51, %68
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv82) #7
  %71 = load i64, ptr %70, align 8, !tbaa !9
  %72 = sdiv i64 %69, %71
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv82) #7
  store i64 %72, ptr %73, align 8, !tbaa !9
  br label %74

74:                                               ; preds = %.lr.ph65, %66
  %.139 = phi i1 [ %.03862, %66 ], [ false, %.lr.ph65 ]
  %indvars.iv.next83 = add nuw nsw i64 %indvars.iv82, 1
  %75 = load i32, ptr %1, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = icmp slt i64 %indvars.iv.next83, %76
  br i1 %77, label %.lr.ph65, label %._crit_edge66, !llvm.loop !14

._crit_edge70:                                    ; preds = %.lr.ph69, %.preheader
  %.240.lcssa = phi i1 [ %.038.lcssa, %.preheader ], [ %spec.select, %.lr.ph69 ]
  %.045. = select i1 %.240.lcssa, i64 %.04572, i64 %51
  %..043 = select i1 %.240.lcssa, i64 %51, i64 %.04373
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  %78 = sub nsw i64 %..043, %.045.
  %79 = icmp sgt i64 %78, 1
  br i1 %79, label %.lr.ph75, label %._crit_edge76, !llvm.loop !15

80:                                               ; preds = %._crit_edge66
  %81 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %88

.lr.ph69:                                         ; preds = %.preheader, %.lr.ph69
  %indvars.iv84 = phi i64 [ %indvars.iv.next85, %.lr.ph69 ], [ 0, %.preheader ]
  %.24067 = phi i1 [ %spec.select, %.lr.ph69 ], [ %.038.lcssa, %.preheader ]
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv84) #7
  %83 = load i64, ptr %82, align 8, !tbaa !9
  %84 = icmp sge i64 %83, %indvars.iv84
  %spec.select = select i1 %84, i1 %.24067, i1 false
  %indvars.iv.next85 = add nuw nsw i64 %indvars.iv84, 1
  %85 = load i32, ptr %1, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = icmp slt i64 %indvars.iv.next85, %86
  br i1 %87, label %.lr.ph69, label %._crit_edge70, !llvm.loop !16

88:                                               ; preds = %80, %61
  %.pn = phi { ptr, i32 } [ %81, %80 ], [ %62, %61 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  br label %95

._crit_edge76:                                    ; preds = %._crit_edge70, %._crit_edge.thread, %._crit_edge, %._crit_edge61
  %.043.lcssa = phi i64 [ %46, %._crit_edge61 ], [ 0, %._crit_edge ], [ 0, %._crit_edge.thread ], [ %..043, %._crit_edge70 ]
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.043.lcssa)
          to label %90 unwind label %93

90:                                               ; preds = %._crit_edge76
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %89, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %92 unwind label %93

92:                                               ; preds = %90
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

93:                                               ; preds = %90, %._crit_edge76
  %94 = landingpad { ptr, i32 }
          cleanup
  br label %95

95:                                               ; preds = %93, %88
  %.pn.pn = phi { ptr, i32 } [ %.pn, %88 ], [ %94, %93 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %96

96:                                               ; preds = %95, %34
  %.pn51 = phi { ptr, i32 } [ %35, %34 ], [ %.pn.pn, %95 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %97

97:                                               ; preds = %96, %23
  %.pn51.pn = phi { ptr, i32 } [ %.pn51, %96 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %98

98:                                               ; preds = %97, %21
  %.pn51.pn.pn = phi { ptr, i32 } [ %.pn51.pn, %97 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn51.pn.pn
}

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

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 #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKxRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; 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 #4 align 2

; 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 #4 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { 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 = { 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 = { 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, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


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