; LLVM IR from kazunetakahashi/atcoder :: 201411_201509/0329_UTPC2014 (C)

; 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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca [100010 x %"class.std::vector"], align 16
  %3 = alloca [100010 x i32], align 16
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::stack", align 8
  %13 = alloca %"struct.std::pair", align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::pair", align 4
  %21 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 2400240, ptr %2) #7
  %22 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i32 0, i32 0
  %23 = getelementptr inbounds %"class.std::vector", ptr %22, i64 100010
  br label %24

24:                                               ; preds = %24, %0
  %25 = phi ptr [ %22, %0 ], [ %26, %24 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %25) #7
  %26 = getelementptr inbounds %"class.std::vector", ptr %25, i64 1
  %27 = icmp eq ptr %26, %23
  br i1 %27, label %28, label %24

28:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 400040, ptr %3) #7
  %29 = getelementptr inbounds [100010 x i32], ptr %3, i64 0, i64 0
  %30 = getelementptr inbounds [100010 x i32], ptr %3, i64 0, i64 0
  %31 = getelementptr inbounds i32, ptr %30, i64 100010
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 -1, ptr %4, align 4, !tbaa !5
  invoke void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef %29, ptr noundef %31, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %32 unwind label %40

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %34 unwind label %44

34:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %65, %34
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = load i32, ptr %7, align 4, !tbaa !5
  %38 = icmp slt i32 %36, %37
  br i1 %38, label %48, label %39

39:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %72

40:                                               ; preds = %28
  %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 @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %205

44:                                               ; preds = %32
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %5, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %6, align 4
  br label %204

48:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %49 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %50 unwind label %68

50:                                               ; preds = %48
  %51 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %49, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %52 unwind label %68

52:                                               ; preds = %50
  %53 = load i32, ptr %9, align 4, !tbaa !5
  %54 = add nsw i32 %53, -1
  store i32 %54, ptr %9, align 4, !tbaa !5
  %55 = load i32, ptr %10, align 4, !tbaa !5
  %56 = add nsw i32 %55, -1
  store i32 %56, ptr %10, align 4, !tbaa !5
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i64 0, i64 %58
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %59, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %60 unwind label %68

60:                                               ; preds = %52
  %61 = load i32, ptr %10, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i64 0, i64 %62
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %63, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %64 unwind label %68

64:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %8, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %8, align 4, !tbaa !5
  br label %35, !llvm.loop !9

68:                                               ; preds = %60, %52, %50, %48
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %5, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %204

72:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr %12) #7
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %12)
          to label %73 unwind label %110

73:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !5
  %74 = invoke i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %75 unwind label %114

75:                                               ; preds = %73
  store i64 %74, ptr %13, align 4
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %12, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %76 unwind label %114

76:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %77

77:                                               ; preds = %167, %76
  %78 = invoke noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %12)
          to label %79 unwind label %118

79:                                               ; preds = %77
  %80 = xor i1 %78, true
  br i1 %80, label %81, label %170

81:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %82 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %12)
          to label %83 unwind label %122

83:                                               ; preds = %81
  %84 = getelementptr inbounds %"struct.std::pair", ptr %82, i32 0, i32 0
  %85 = load i32, ptr %84, align 4, !tbaa !11
  store i32 %85, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  %86 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %12)
          to label %87 unwind label %126

87:                                               ; preds = %83
  %88 = getelementptr inbounds %"struct.std::pair", ptr %86, i32 0, i32 1
  %89 = load i32, ptr %88, align 4, !tbaa !13
  store i32 %89, ptr %17, align 4, !tbaa !5
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %12)
          to label %90 unwind label %126

90:                                               ; preds = %87
  %91 = load i32, ptr %16, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [100010 x i32], ptr %3, i64 0, i64 %92
  %94 = load i32, ptr %93, align 4, !tbaa !5
  %95 = icmp eq i32 %94, -1
  br i1 %95, label %96, label %151

96:                                               ; preds = %90
  %97 = load i32, ptr %17, align 4, !tbaa !5
  %98 = load i32, ptr %16, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [100010 x i32], ptr %3, i64 0, i64 %99
  store i32 %97, ptr %100, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  store i32 0, ptr %18, align 4, !tbaa !5
  br label %101

101:                                              ; preds = %143, %96
  %102 = load i32, ptr %18, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = load i32, ptr %16, align 4, !tbaa !5
  %105 = sext i32 %104 to i64
  %106 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i64 0, i64 %105
  %107 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %106) #7
  %108 = icmp ult i64 %103, %107
  br i1 %108, label %130, label %109

109:                                              ; preds = %101
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %150

110:                                              ; preds = %72
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %5, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %6, align 4
  br label %203

114:                                              ; preds = %75, %73
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %5, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %202

118:                                              ; preds = %191, %188, %177, %170, %77
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %5, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %6, align 4
  br label %202

122:                                              ; preds = %81
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %5, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %6, align 4
  br label %169

126:                                              ; preds = %87, %83
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %5, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %6, align 4
  br label %168

130:                                              ; preds = %101
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #7
  %131 = load i32, ptr %16, align 4, !tbaa !5
  %132 = sext i32 %131 to i64
  %133 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i64 0, i64 %132
  %134 = load i32, ptr %18, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %133, i64 noundef %135) #7
  %137 = load i32, ptr %136, align 4, !tbaa !5
  store i32 %137, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #7
  %138 = load i32, ptr %17, align 4, !tbaa !5
  %139 = add nsw i32 %138, 1
  store i32 %139, ptr %21, align 4, !tbaa !5
  %140 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %19, ptr noundef nonnull align 4 dereferenceable(4) %21)
          to label %141 unwind label %146

141:                                              ; preds = %130
  store i64 %140, ptr %20, align 4
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %12, ptr noundef nonnull align 4 dereferenceable(8) %20)
          to label %142 unwind label %146

142:                                              ; preds = %141
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %143

143:                                              ; preds = %142
  %144 = load i32, ptr %18, align 4, !tbaa !5
  %145 = add nsw i32 %144, 1
  store i32 %145, ptr %18, align 4, !tbaa !5
  br label %101, !llvm.loop !14

146:                                              ; preds = %141, %130
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %5, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %168

150:                                              ; preds = %109
  br label %167

151:                                              ; preds = %90
  %152 = load i32, ptr %17, align 4, !tbaa !5
  %153 = load i32, ptr %16, align 4, !tbaa !5
  %154 = sext i32 %153 to i64
  %155 = getelementptr inbounds [100010 x i32], ptr %3, i64 0, i64 %154
  %156 = load i32, ptr %155, align 4, !tbaa !5
  %157 = sub nsw i32 %152, %156
  %158 = icmp sgt i32 %157, 2
  br i1 %158, label %159, label %166

159:                                              ; preds = %151
  %160 = load i32, ptr %17, align 4, !tbaa !5
  %161 = load i32, ptr %16, align 4, !tbaa !5
  %162 = sext i32 %161 to i64
  %163 = getelementptr inbounds [100010 x i32], ptr %3, i64 0, i64 %162
  %164 = load i32, ptr %163, align 4, !tbaa !5
  %165 = sub nsw i32 %160, %164
  store i32 %165, ptr %11, align 4, !tbaa !5
  br label %166

166:                                              ; preds = %159, %151
  br label %167

167:                                              ; preds = %166, %150
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %77, !llvm.loop !15

168:                                              ; preds = %146, %126
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %169

169:                                              ; preds = %168, %122
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %202

170:                                              ; preds = %79
  %171 = load i32, ptr %7, align 4, !tbaa !5
  %172 = load i32, ptr %11, align 4, !tbaa !5
  %173 = icmp eq i32 %171, %172
  %174 = zext i1 %173 to i64
  %175 = select i1 %173, i32 2, i32 1
  %176 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %175)
          to label %177 unwind label %118

177:                                              ; preds = %170
  %178 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %176, ptr noundef @.str)
          to label %179 unwind label %118

179:                                              ; preds = %177
  %180 = load i32, ptr %11, align 4, !tbaa !5
  %181 = srem i32 %180, 2
  %182 = icmp eq i32 %181, 0
  br i1 %182, label %183, label %185

183:                                              ; preds = %179
  %184 = load i32, ptr %7, align 4, !tbaa !5
  br label %188

185:                                              ; preds = %179
  %186 = load i32, ptr %7, align 4, !tbaa !5
  %187 = sub nsw i32 %186, 1
  br label %188

188:                                              ; preds = %185, %183
  %189 = phi i32 [ %184, %183 ], [ %187, %185 ]
  %190 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %189)
          to label %191 unwind label %118

191:                                              ; preds = %188
  %192 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %190, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %193 unwind label %118

193:                                              ; preds = %191
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %12) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 400040, ptr %3) #7
  %194 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i32 0, i32 0
  %195 = getelementptr inbounds %"class.std::vector", ptr %194, i64 100010
  br label %196

196:                                              ; preds = %196, %193
  %197 = phi ptr [ %195, %193 ], [ %198, %196 ]
  %198 = getelementptr inbounds %"class.std::vector", ptr %197, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %198) #7
  %199 = icmp eq ptr %198, %194
  br i1 %199, label %200, label %196

200:                                              ; preds = %196
  call void @llvm.lifetime.end.p0(i64 2400240, ptr %2) #7
  %201 = load i32, ptr %1, align 4
  ret i32 %201

202:                                              ; preds = %169, %118, %114
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %12) #7
  br label %203

203:                                              ; preds = %202, %110
  call void @llvm.lifetime.end.p0(i64 80, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %204

204:                                              ; preds = %203, %68, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %205

205:                                              ; preds = %204, %40
  call void @llvm.lifetime.end.p0(i64 400040, ptr %3) #7
  %206 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %2, i32 0, i32 0
  %207 = getelementptr inbounds %"class.std::vector", ptr %206, i64 100010
  br label %208

208:                                              ; preds = %208, %205
  %209 = phi ptr [ %207, %205 ], [ %210, %208 ]
  %210 = getelementptr inbounds %"class.std::vector", ptr %209, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %210) #7
  %211 = icmp eq ptr %210, %206
  br i1 %211, label %212, label %208

212:                                              ; preds = %208
  call void @llvm.lifetime.end.p0(i64 2400240, ptr %2) #7
  br label %213

213:                                              ; preds = %212
  %214 = load ptr, ptr %5, align 8
  %215 = load i32, ptr %6, align 4
  %216 = insertvalue { ptr, i32 } poison, ptr %214, 0
  %217 = insertvalue { ptr, i32 } %216, i32 %215, 1
  resume { ptr, i32 } %217
}

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #3

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

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 uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 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)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 = { 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 #3 = { 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 #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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{!12, !6, i64 4}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca [100010 x %"class.std::vector"], align 16
  %2 = alloca [100010 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::stack", align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 2400240, ptr nonnull %1) #7
  br label %14

14:                                               ; preds = %14, %0
  %.idx = phi i64 [ 0, %0 ], [ %.add, %14 ]
  %.ptr = getelementptr inbounds i8, ptr %1, i64 %.idx
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %.ptr) #7
  %.add = add nuw nsw i64 %.idx, 24
  %15 = icmp eq i64 %.add, 2400240
  br i1 %15, label %16, label %14

16:                                               ; preds = %14
  %17 = getelementptr inbounds i8, ptr %1, i64 2400240
  call void @llvm.lifetime.start.p0(i64 400040, ptr nonnull %2) #7
  %18 = getelementptr inbounds i8, ptr %2, i64 400040
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  store i32 -1, ptr %3, align 4, !tbaa !5
  invoke void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull %2, ptr noundef nonnull %18, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %19 unwind label %23

19:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %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 %.preheader unwind label %25

.preheader:                                       ; preds = %19
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %41, %.preheader
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %7) #7
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %47 unwind label %65

23:                                               ; preds = %16
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  br label %107

25:                                               ; preds = %19
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %106

.lr.ph:                                           ; preds = %.preheader, %41
  %.02640 = phi i32 [ %42, %41 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  %27 = 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 %28 unwind label %45

28:                                               ; preds = %.lr.ph
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %30 unwind label %45

30:                                               ; preds = %28
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %5, align 4, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !5
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %6, align 4, !tbaa !5
  %35 = sext i32 %32 to i64
  %36 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %1, i64 0, i64 %35
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %37 unwind label %45

37:                                               ; preds = %30
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %1, i64 0, i64 %39
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %40, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %41 unwind label %45

41:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  %42 = add nuw nsw i32 %.02640, 1
  %43 = load i32, ptr %4, align 4, !tbaa !5
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %.lr.ph, label %._crit_edge, !llvm.loop !9

45:                                               ; preds = %37, %30, %28, %.lr.ph
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  br label %106

47:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #7
  store i32 0, ptr %10, align 4, !tbaa !5
  %48 = invoke i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %49 unwind label %67

49:                                               ; preds = %47
  store i64 %48, ptr %8, align 8
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(8) %8)
          to label %50 unwind label %67

50:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  %51 = call noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  br i1 %51, label %._crit_edge47, label %.lr.ph46

.lr.ph46:                                         ; preds = %50, %.loopexit
  %.02444 = phi i32 [ %.125, %.loopexit ], [ undef, %50 ]
  %52 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %53 = load i32, ptr %52, align 4, !tbaa !11
  %54 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %55 = getelementptr inbounds i8, ptr %54, i64 4
  %56 = load i32, ptr %55, align 4, !tbaa !13
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %57 = sext i32 %53 to i64
  %58 = getelementptr inbounds [100010 x i32], ptr %2, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = icmp eq i32 %59, -1
  br i1 %60, label %61, label %81

61:                                               ; preds = %.lr.ph46
  store i32 %56, ptr %58, align 4, !tbaa !5
  %62 = getelementptr inbounds [100010 x %"class.std::vector"], ptr %1, i64 0, i64 %57
  %63 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %62) #7
  %.not = icmp eq i64 %63, 0
  br i1 %.not, label %.loopexit, label %.lr.ph43

.lr.ph43:                                         ; preds = %61
  %64 = add nsw i32 %56, 1
  br label %71

65:                                               ; preds = %._crit_edge
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %105

67:                                               ; preds = %49, %47
  %68 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  br label %104

69:                                               ; preds = %96, %91, %89, %._crit_edge47
  %70 = landingpad { ptr, i32 }
          cleanup
  br label %104

71:                                               ; preds = %.lr.ph43, %76
  %indvars.iv = phi i64 [ 0, %.lr.ph43 ], [ %indvars.iv.next, %76 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #7
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %62, i64 noundef %indvars.iv) #7
  %73 = load i32, ptr %72, align 4, !tbaa !5
  store i32 %73, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #7
  store i32 %64, ptr %13, align 4, !tbaa !5
  %74 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %75 unwind label %79

75:                                               ; preds = %71
  store i64 %74, ptr %12, align 8
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(8) %12)
          to label %76 unwind label %79

76:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %77 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %62) #7
  %78 = icmp ugt i64 %77, %indvars.iv.next
  br i1 %78, label %71, label %.loopexit, !llvm.loop !14

79:                                               ; preds = %75, %71
  %80 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  br label %104

81:                                               ; preds = %.lr.ph46
  %82 = sub nsw i32 %56, %59
  %83 = icmp sgt i32 %82, 2
  %spec.select = select i1 %83, i32 %82, i32 %.02444
  br label %.loopexit

.loopexit:                                        ; preds = %76, %61, %81
  %.125 = phi i32 [ %spec.select, %81 ], [ %.02444, %61 ], [ %.02444, %76 ]
  %84 = call noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  br i1 %84, label %._crit_edge47, label %.lr.ph46, !llvm.loop !15

._crit_edge47:                                    ; preds = %.loopexit, %50
  %.024.lcssa = phi i32 [ undef, %50 ], [ %.125, %.loopexit ]
  %85 = load i32, ptr %4, align 4, !tbaa !5
  %86 = icmp eq i32 %85, %.024.lcssa
  %87 = select i1 %86, i32 2, i32 1
  %88 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %87)
          to label %89 unwind label %69

89:                                               ; preds = %._crit_edge47
  %90 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %88, ptr noundef nonnull @.str)
          to label %91 unwind label %69

91:                                               ; preds = %89
  %92 = load i32, ptr %4, align 4
  %93 = and i32 %.024.lcssa, 1
  %94 = sub i32 %92, %93
  %95 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %94)
          to label %96 unwind label %69

96:                                               ; preds = %91
  %97 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %95, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %98 unwind label %69

98:                                               ; preds = %96
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 400040, ptr nonnull %2) #7
  br label %99

99:                                               ; preds = %99, %98
  %100 = phi ptr [ %17, %98 ], [ %101, %99 ]
  %101 = getelementptr inbounds i8, ptr %100, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %101) #7
  %102 = icmp eq ptr %101, %1
  br i1 %102, label %103, label %99

103:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 2400240, ptr nonnull %1) #7
  ret i32 0

104:                                              ; preds = %79, %69, %67
  %.pn = phi { ptr, i32 } [ %80, %79 ], [ %70, %69 ], [ %68, %67 ]
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #7
  br label %105

105:                                              ; preds = %104, %65
  %.pn.pn = phi { ptr, i32 } [ %.pn, %104 ], [ %66, %65 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #7
  br label %106

106:                                              ; preds = %105, %45, %25
  %.pn36 = phi { ptr, i32 } [ %46, %45 ], [ %.pn.pn, %105 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %107

107:                                              ; preds = %106, %23
  %.pn36.pn = phi { ptr, i32 } [ %.pn36, %106 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 400040, ptr nonnull %2) #7
  br label %108

108:                                              ; preds = %108, %107
  %109 = phi ptr [ %17, %107 ], [ %110, %108 ]
  %110 = getelementptr inbounds i8, ptr %109, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %110) #7
  %111 = icmp eq ptr %110, %1
  br i1 %111, label %112, label %108

112:                                              ; preds = %108
  call void @llvm.lifetime.end.p0(i64 2400240, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn36.pn
}

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

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

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 #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

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

; 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 #5 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)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 = { 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 #3 = { 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 #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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{!12, !6, i64 4}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


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