; LLVM IR from xirc/cp-algorithm :: uva/534 (main)

; 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<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%class.SPFA = type { i32, i32, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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 }
%"struct.std::_Setprecision" = type { 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 [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [17 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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::pair", align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %class.SPFA, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"struct.std::pair", align 4
  %16 = alloca %"struct.std::pair", align 4
  %17 = alloca double, align 8
  %18 = alloca %"class.std::vector.5", align 8
  %19 = alloca %"class.std::vector.5", align 8
  %20 = alloca %"struct.std::_Setprecision", align 4
  store i32 0, ptr %1, align 4
  %21 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %22 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %24
  %26 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %25, ptr noundef null)
  %27 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %28 = getelementptr i8, ptr %27, i64 -24
  %29 = load i64, ptr %28, align 8
  %30 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %29
  %31 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %30, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  store i32 1, ptr %2, align 4, !tbaa !8
  br label %32

32:                                               ; preds = %177, %0
  br label %33

33:                                               ; preds = %32
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %35 unwind label %39

35:                                               ; preds = %33
  %36 = load i32, ptr %3, align 4, !tbaa !8
  %37 = icmp eq i32 %36, 0
  br i1 %37, label %38, label %43

38:                                               ; preds = %35
  br label %186

39:                                               ; preds = %33
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %5, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %6, align 4
  br label %188

43:                                               ; preds = %35
  %44 = load i32, ptr %3, align 4, !tbaa !8
  %45 = sext i32 %44 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 0, ptr %8, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  store i32 0, ptr %9, align 4, !tbaa !8
  invoke void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %46 unwind label %53

46:                                               ; preds = %43
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %45, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %47 unwind label %53

47:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %48

48:                                               ; preds = %70, %47
  %49 = load i32, ptr %10, align 4, !tbaa !8
  %50 = load i32, ptr %3, align 4, !tbaa !8
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %57, label %52

52:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %77

53:                                               ; preds = %46, %43
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %5, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  br label %188

57:                                               ; preds = %48
  %58 = load i32, ptr %10, align 4, !tbaa !8
  %59 = sext i32 %58 to i64
  %60 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %59) #8
  %61 = getelementptr inbounds %"struct.std::pair", ptr %60, i32 0, i32 0
  %62 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %61)
          to label %63 unwind label %73

63:                                               ; preds = %57
  %64 = load i32, ptr %10, align 4, !tbaa !8
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %65) #8
  %67 = getelementptr inbounds %"struct.std::pair", ptr %66, i32 0, i32 1
  %68 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %62, ptr noundef nonnull align 4 dereferenceable(4) %67)
          to label %69 unwind label %73

69:                                               ; preds = %63
  br label %70

70:                                               ; preds = %69
  %71 = load i32, ptr %10, align 4, !tbaa !8
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %10, align 4, !tbaa !8
  br label %48, !llvm.loop !11

73:                                               ; preds = %63, %57
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %5, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %188

77:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #8
  %78 = load i32, ptr %3, align 4, !tbaa !8
  invoke void @_ZN4SPFAC2Ei(ptr noundef nonnull align 8 dereferenceable(32) %11, i32 noundef %78)
          to label %79 unwind label %85

79:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %80

80:                                               ; preds = %144, %79
  %81 = load i32, ptr %12, align 4, !tbaa !8
  %82 = load i32, ptr %3, align 4, !tbaa !8
  %83 = icmp slt i32 %81, %82
  br i1 %83, label %89, label %84

84:                                               ; preds = %80
  store i32 7, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  br label %147

85:                                               ; preds = %77
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %5, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %6, align 4
  br label %185

89:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  store i32 0, ptr %14, align 4, !tbaa !8
  br label %90

90:                                               ; preds = %136, %89
  %91 = load i32, ptr %14, align 4, !tbaa !8
  %92 = load i32, ptr %3, align 4, !tbaa !8
  %93 = icmp slt i32 %91, %92
  br i1 %93, label %95, label %94

94:                                               ; preds = %90
  store i32 10, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  br label %143

95:                                               ; preds = %90
  %96 = load i32, ptr %12, align 4, !tbaa !8
  %97 = load i32, ptr %14, align 4, !tbaa !8
  %98 = icmp eq i32 %96, %97
  br i1 %98, label %99, label %100

99:                                               ; preds = %95
  br label %136

100:                                              ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #8
  %101 = load i32, ptr %12, align 4, !tbaa !8
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %102) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 4 %103, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #8
  %104 = load i32, ptr %14, align 4, !tbaa !8
  %105 = sext i32 %104 to i64
  %106 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %105) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %16, ptr align 4 %106, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %107 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 0
  %108 = load i32, ptr %107, align 4, !tbaa !13
  %109 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 0
  %110 = load i32, ptr %109, align 4, !tbaa !13
  %111 = sub nsw i32 %108, %110
  %112 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 0
  %113 = load i32, ptr %112, align 4, !tbaa !13
  %114 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 0
  %115 = load i32, ptr %114, align 4, !tbaa !13
  %116 = sub nsw i32 %113, %115
  %117 = mul nsw i32 %111, %116
  %118 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 1
  %119 = load i32, ptr %118, align 4, !tbaa !15
  %120 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 1
  %121 = load i32, ptr %120, align 4, !tbaa !15
  %122 = sub nsw i32 %119, %121
  %123 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 1
  %124 = load i32, ptr %123, align 4, !tbaa !15
  %125 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 1
  %126 = load i32, ptr %125, align 4, !tbaa !15
  %127 = sub nsw i32 %124, %126
  %128 = mul nsw i32 %122, %127
  %129 = add nsw i32 %117, %128
  %130 = sitofp i32 %129 to double
  store double %130, ptr %17, align 8, !tbaa !16
  %131 = load i32, ptr %12, align 4, !tbaa !8
  %132 = load i32, ptr %14, align 4, !tbaa !8
  %133 = load double, ptr %17, align 8, !tbaa !16
  %134 = fptosi double %133 to i32
  invoke void @_ZN4SPFA8add_edgeEiii(ptr noundef nonnull align 8 dereferenceable(32) %11, i32 noundef %131, i32 noundef %132, i32 noundef %134)
          to label %135 unwind label %139

135:                                              ; preds = %100
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #8
  br label %136

136:                                              ; preds = %135, %99
  %137 = load i32, ptr %14, align 4, !tbaa !8
  %138 = add nsw i32 %137, 1
  store i32 %138, ptr %14, align 4, !tbaa !8
  br label %90, !llvm.loop !18

139:                                              ; preds = %100
  %140 = landingpad { ptr, i32 }
          cleanup
  %141 = extractvalue { ptr, i32 } %140, 0
  store ptr %141, ptr %5, align 8
  %142 = extractvalue { ptr, i32 } %140, 1
  store i32 %142, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  br label %184

143:                                              ; preds = %94
  br label %144

144:                                              ; preds = %143
  %145 = load i32, ptr %12, align 4, !tbaa !8
  %146 = add nsw i32 %145, 1
  store i32 %146, ptr %12, align 4, !tbaa !8
  br label %80, !llvm.loop !19

147:                                              ; preds = %84
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #8
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  call void @llvm.lifetime.start.p0(i64 24, ptr %19) #8
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  %148 = invoke noundef zeroext i1 @_ZN4SPFA5solveEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(32) %11, i32 noundef 0, ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 8 dereferenceable(24) %19)
          to label %149 unwind label %180

149:                                              ; preds = %147
  %150 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %151 unwind label %180

151:                                              ; preds = %149
  %152 = load i32, ptr %2, align 4, !tbaa !8
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %150, i32 noundef %152)
          to label %154 unwind label %180

154:                                              ; preds = %151
  %155 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %153, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %156 unwind label %180

156:                                              ; preds = %154
  %157 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %158 unwind label %180

158:                                              ; preds = %156
  %159 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %157, ptr noundef @_ZSt5fixedRSt8ios_base)
          to label %160 unwind label %180

160:                                              ; preds = %158
  %161 = invoke i32 @_ZSt12setprecisioni(i32 noundef 3)
          to label %162 unwind label %180

162:                                              ; preds = %160
  %163 = getelementptr inbounds %"struct.std::_Setprecision", ptr %20, i32 0, i32 0
  store i32 %161, ptr %163, align 4
  %164 = getelementptr inbounds %"struct.std::_Setprecision", ptr %20, i32 0, i32 0
  %165 = load i32, ptr %164, align 4
  %166 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %159, i32 %165)
          to label %167 unwind label %180

167:                                              ; preds = %162
  %168 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef 1) #8
  %169 = load i32, ptr %168, align 4, !tbaa !8
  %170 = invoke noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %169)
          to label %171 unwind label %180

171:                                              ; preds = %167
  %172 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %166, double noundef %170)
          to label %173 unwind label %180

173:                                              ; preds = %171
  %174 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %172, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %175 unwind label %180

175:                                              ; preds = %173
  %176 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %177 unwind label %180

177:                                              ; preds = %175
  %178 = load i32, ptr %2, align 4, !tbaa !8
  %179 = add nsw i32 %178, 1
  store i32 %179, ptr %2, align 4, !tbaa !8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #8
  call void @_ZN4SPFAD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #8
  br label %32, !llvm.loop !20

180:                                              ; preds = %175, %173, %171, %167, %162, %160, %158, %156, %154, %151, %149, %147
  %181 = landingpad { ptr, i32 }
          cleanup
  %182 = extractvalue { ptr, i32 } %181, 0
  store ptr %182, ptr %5, align 8
  %183 = extractvalue { ptr, i32 } %181, 1
  store i32 %183, ptr %6, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #8
  br label %184

184:                                              ; preds = %180, %139
  call void @_ZN4SPFAD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  br label %185

185:                                              ; preds = %184, %85
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #8
  br label %188

186:                                              ; preds = %38
  store i32 0, ptr %1, align 4
  store i32 1, ptr %13, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %187 = load i32, ptr %1, align 4
  ret i32 %187

188:                                              ; preds = %185, %73, %53, %39
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %189

189:                                              ; preds = %188
  %190 = load ptr, ptr %5, align 8
  %191 = load i32, ptr %6, align 4
  %192 = insertvalue { ptr, i32 } poison, ptr %190, 0
  %193 = insertvalue { ptr, i32 } %192, i32 %191, 1
  resume { ptr, i32 } %193
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4SPFAC2Ei(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4SPFA8add_edgeEiii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef, i32 noundef) #4 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4SPFA5solveEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #7

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) #7

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4SPFAD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #7 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #8 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !9, i64 0}
!14 = !{!"_ZTSSt4pairIiiE", !9, i64 0, !9, i64 4}
!15 = !{!14, !9, i64 4}
!16 = !{!17, !17, i64 0}
!17 = !{!"double", !10, i64 0}
!18 = distinct !{!18, !12}
!19 = distinct !{!19, !12}
!20 = distinct !{!20, !12}


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

%"class.std::basic_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<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%class.SPFA = type { i32, i32, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<SPFA::edge>, std::allocator<std::vector<SPFA::edge>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = 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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [17 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 i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"struct.std::pair", align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %class.SPFA, align 8
  %7 = alloca %"class.std::vector.5", align 8
  %8 = alloca %"class.std::vector.5", align 8
  %9 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %10 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %12
  %14 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %13, ptr noundef null)
  %15 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %17
  %19 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %20

20:                                               ; preds = %99, %0
  %.0 = phi i32 [ 1, %0 ], [ %100, %99 ]
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %22 unwind label %25

22:                                               ; preds = %20
  %23 = load i32, ptr %1, align 4, !tbaa !8
  %24 = icmp eq i32 %23, 0
  br i1 %24, label %105, label %27

25:                                               ; preds = %20
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %106

27:                                               ; preds = %22
  %28 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 0, ptr %4, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  store i32 0, ptr %5, align 4, !tbaa !8
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %3, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %28, ptr noundef nonnull align 4 dereferenceable(8) %3)
          to label %29 unwind label %34

29:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  %30 = load i32, ptr %1, align 4, !tbaa !8
  %31 = icmp sgt i32 %30, 0
  br i1 %31, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %42, %29
  %.lcssa = phi i32 [ %30, %29 ], [ %43, %42 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  invoke void @_ZN4SPFAC2Ei(ptr noundef nonnull align 8 dereferenceable(32) %6, i32 noundef %.lcssa)
          to label %.preheader38 unwind label %52

.preheader38:                                     ; preds = %._crit_edge
  %32 = load i32, ptr %1, align 4, !tbaa !8
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.preheader, label %._crit_edge45

34:                                               ; preds = %27
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  br label %106

.lr.ph:                                           ; preds = %29, %42
  %indvars.iv = phi i64 [ %indvars.iv.next, %42 ], [ 0, %29 ]
  %36 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %37 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %36)
          to label %38 unwind label %46

38:                                               ; preds = %.lr.ph
  %39 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %40 = getelementptr inbounds i8, ptr %39, i64 4
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %37, ptr noundef nonnull align 4 dereferenceable(4) %40)
          to label %42 unwind label %46

42:                                               ; preds = %38
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %43 = load i32, ptr %1, align 4, !tbaa !8
  %44 = sext i32 %43 to i64
  %45 = icmp slt i64 %indvars.iv.next, %44
  br i1 %45, label %.lr.ph, label %._crit_edge, !llvm.loop !11

46:                                               ; preds = %38, %.lr.ph
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %106

.preheader:                                       ; preds = %.preheader38, %._crit_edge43
  %48 = phi i32 [ %54, %._crit_edge43 ], [ %32, %.preheader38 ]
  %indvars.iv52 = phi i64 [ %indvars.iv.next53, %._crit_edge43 ], [ 0, %.preheader38 ]
  %49 = icmp sgt i32 %48, 0
  br i1 %49, label %.lr.ph42, label %._crit_edge43

.lr.ph42:                                         ; preds = %.preheader
  %50 = trunc nuw nsw i64 %indvars.iv52 to i32
  br label %57

._crit_edge45:                                    ; preds = %._crit_edge43, %.preheader38
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %51 = invoke noundef zeroext i1 @_ZN4SPFA5solveEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(32) %6, i32 noundef 0, ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %77 unwind label %101

52:                                               ; preds = %._crit_edge
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %104

._crit_edge43:                                    ; preds = %70, %.preheader
  %54 = phi i32 [ %48, %.preheader ], [ %71, %70 ]
  %indvars.iv.next53 = add nuw nsw i64 %indvars.iv52, 1
  %55 = sext i32 %54 to i64
  %56 = icmp slt i64 %indvars.iv.next53, %55
  br i1 %56, label %.preheader, label %._crit_edge45, !llvm.loop !13

57:                                               ; preds = %.lr.ph42, %70
  %58 = phi i32 [ %48, %.lr.ph42 ], [ %71, %70 ]
  %59 = phi i32 [ %48, %.lr.ph42 ], [ %72, %70 ]
  %indvars.iv49 = phi i64 [ 0, %.lr.ph42 ], [ %indvars.iv.next50, %70 ]
  %60 = icmp eq i64 %indvars.iv52, %indvars.iv49
  br i1 %60, label %70, label %61

61:                                               ; preds = %57
  %62 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv52) #7
  %.sroa.04.0.copyload = load i32, ptr %62, align 4
  %.sroa.66.0..sroa_idx = getelementptr inbounds i8, ptr %62, i64 4
  %.sroa.66.0.copyload = load i32, ptr %.sroa.66.0..sroa_idx, align 4
  %63 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv49) #7
  %.sroa.01.0.copyload = load i32, ptr %63, align 4
  %.sroa.6.0..sroa_idx = getelementptr inbounds i8, ptr %63, i64 4
  %.sroa.6.0.copyload = load i32, ptr %.sroa.6.0..sroa_idx, align 4
  %64 = sub nsw i32 %.sroa.04.0.copyload, %.sroa.01.0.copyload
  %65 = mul nsw i32 %64, %64
  %66 = sub nsw i32 %.sroa.66.0.copyload, %.sroa.6.0.copyload
  %67 = mul nsw i32 %66, %66
  %68 = add nuw nsw i32 %67, %65
  %69 = trunc nuw nsw i64 %indvars.iv49 to i32
  invoke void @_ZN4SPFA8add_edgeEiii(ptr noundef nonnull align 8 dereferenceable(32) %6, i32 noundef %50, i32 noundef %69, i32 noundef %68)
          to label %._crit_edge55 unwind label %75

._crit_edge55:                                    ; preds = %61
  %.pre = load i32, ptr %1, align 4, !tbaa !8
  br label %70

70:                                               ; preds = %._crit_edge55, %57
  %71 = phi i32 [ %.pre, %._crit_edge55 ], [ %58, %57 ]
  %72 = phi i32 [ %.pre, %._crit_edge55 ], [ %59, %57 ]
  %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1
  %73 = sext i32 %72 to i64
  %74 = icmp slt i64 %indvars.iv.next50, %73
  br i1 %74, label %57, label %._crit_edge43, !llvm.loop !15

75:                                               ; preds = %61
  %76 = landingpad { ptr, i32 }
          cleanup
  br label %103

77:                                               ; preds = %._crit_edge45
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %79 unwind label %101

79:                                               ; preds = %77
  %80 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %78, i32 noundef %.0)
          to label %81 unwind label %101

81:                                               ; preds = %79
  %82 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %80, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %83 unwind label %101

83:                                               ; preds = %81
  %84 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %85 unwind label %101

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
          to label %87 unwind label %101

87:                                               ; preds = %85
  %88 = call i32 @_ZSt12setprecisioni(i32 noundef 3)
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %86, i32 %88)
          to label %90 unwind label %101

90:                                               ; preds = %87
  %91 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 1) #7
  %92 = load i32, ptr %91, align 4, !tbaa !8
  %93 = call noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %92)
  %94 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %89, double noundef %93)
          to label %95 unwind label %101

95:                                               ; preds = %90
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %94, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %97 unwind label %101

97:                                               ; preds = %95
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %99 unwind label %101

99:                                               ; preds = %97
  %100 = add nuw nsw i32 %.0, 1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @_ZN4SPFAD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  br label %20, !llvm.loop !16

101:                                              ; preds = %97, %95, %90, %87, %85, %83, %81, %79, %77, %._crit_edge45
  %102 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  br label %103

103:                                              ; preds = %101, %75
  %.pn = phi { ptr, i32 } [ %76, %75 ], [ %102, %101 ]
  call void @_ZN4SPFAD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  br label %104

104:                                              ; preds = %103, %52
  %.pn.pn = phi { ptr, i32 } [ %.pn, %103 ], [ %53, %52 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  br label %106

105:                                              ; preds = %22
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(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

106:                                              ; preds = %104, %46, %34, %25
  %.pn36 = phi { ptr, i32 } [ %47, %46 ], [ %.pn.pn, %104 ], [ %35, %34 ], [ %26, %25 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(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
  resume { ptr, i32 } %.pn36
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4SPFAC2Ei(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4SPFA8add_edgeEiii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4SPFA5solveEiRSt6vectorIiSaIiEES3_(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; 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)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #6

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) local_unnamed_addr #6

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN4SPFAD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12, !14}
!14 = !{!"llvm.loop.unswitch.partial.disable"}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


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