; LLVM IR from xirc/cp-algorithm :: codeforces/25C (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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl" }
%"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl" = type { %"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl_data" }
%"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.12" = type { i8 }
%struct.edge = type { i32, i32, i32 }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@D = external dso_local global %"class.std::vector", align 8
@E = external dso_local global %"class.std::vector.0", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZL3inf = external hidden constant i32, align 4
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solvev(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8) #0

; 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 noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector.10", align 8
  %3 = alloca %"class.std::allocator.12", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %struct.edge, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::vector.5", align 8
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  %19 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %21
  %23 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %22, ptr noundef null)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %25 = load i32, ptr @N, align 4, !tbaa !8
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #6
  %27 = load i32, ptr @N, align 4, !tbaa !8
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %28, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3inf, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %29 unwind label %36

29:                                               ; preds = %0
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @D, i64 noundef %26, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %30 unwind label %40

30:                                               ; preds = %29
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !8
  br label %31

31:                                               ; preds = %63, %30
  %32 = load i32, ptr %6, align 4, !tbaa !8
  %33 = load i32, ptr @N, align 4, !tbaa !8
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %45, label %35

35:                                               ; preds = %31
  store i32 2, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %66

36:                                               ; preds = %0
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %4, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %5, align 4
  br label %44

40:                                               ; preds = %29
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %4, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %5, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %44

44:                                               ; preds = %40, %36
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #6
  br label %145

45:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !8
  br label %46

46:                                               ; preds = %59, %45
  %47 = load i32, ptr %8, align 4, !tbaa !8
  %48 = load i32, ptr @N, align 4, !tbaa !8
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  store i32 5, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %62

51:                                               ; preds = %46
  %52 = load i32, ptr %6, align 4, !tbaa !8
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @D, i64 noundef %53) #6
  %55 = load i32, ptr %8, align 4, !tbaa !8
  %56 = sext i32 %55 to i64
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %54, i64 noundef %56) #6
  %58 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %57)
  br label %59

59:                                               ; preds = %51
  %60 = load i32, ptr %8, align 4, !tbaa !8
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %8, align 4, !tbaa !8
  br label %46, !llvm.loop !11

62:                                               ; preds = %50
  br label %63

63:                                               ; preds = %62
  %64 = load i32, ptr %6, align 4, !tbaa !8
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %6, align 4, !tbaa !8
  br label %31, !llvm.loop !13

66:                                               ; preds = %35
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %68 = load i32, ptr @M, align 4, !tbaa !8
  %69 = sext i32 %68 to i64
  call void @llvm.lifetime.start.p0(i64 12, ptr %9) #6
  %70 = getelementptr inbounds %struct.edge, ptr %9, i32 0, i32 0
  store i32 0, ptr %70, align 4, !tbaa !14
  %71 = getelementptr inbounds %struct.edge, ptr %9, i32 0, i32 1
  store i32 0, ptr %71, align 4, !tbaa !16
  %72 = getelementptr inbounds %struct.edge, ptr %9, i32 0, i32 2
  store i32 0, ptr %72, align 4, !tbaa !17
  call void @_ZNSt6vectorI4edgeSaIS0_EE6assignEmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %69, ptr noundef nonnull align 4 dereferenceable(12) %9)
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %73

73:                                               ; preds = %106, %66
  %74 = load i32, ptr %10, align 4, !tbaa !8
  %75 = load i32, ptr @M, align 4, !tbaa !8
  %76 = icmp slt i32 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %73
  store i32 8, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %109

78:                                               ; preds = %73
  %79 = load i32, ptr %10, align 4, !tbaa !8
  %80 = sext i32 %79 to i64
  %81 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %80) #6
  %82 = getelementptr inbounds %struct.edge, ptr %81, i32 0, i32 0
  %83 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %82)
  %84 = load i32, ptr %10, align 4, !tbaa !8
  %85 = sext i32 %84 to i64
  %86 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %85) #6
  %87 = getelementptr inbounds %struct.edge, ptr %86, i32 0, i32 1
  %88 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %83, ptr noundef nonnull align 4 dereferenceable(4) %87)
  %89 = load i32, ptr %10, align 4, !tbaa !8
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %90) #6
  %92 = getelementptr inbounds %struct.edge, ptr %91, i32 0, i32 2
  %93 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %88, ptr noundef nonnull align 4 dereferenceable(4) %92)
  %94 = load i32, ptr %10, align 4, !tbaa !8
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %95) #6
  %97 = getelementptr inbounds %struct.edge, ptr %96, i32 0, i32 0
  %98 = load i32, ptr %97, align 4, !tbaa !14
  %99 = add nsw i32 %98, -1
  store i32 %99, ptr %97, align 4, !tbaa !14
  %100 = load i32, ptr %10, align 4, !tbaa !8
  %101 = sext i32 %100 to i64
  %102 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %101) #6
  %103 = getelementptr inbounds %struct.edge, ptr %102, i32 0, i32 1
  %104 = load i32, ptr %103, align 4, !tbaa !16
  %105 = add nsw i32 %104, -1
  store i32 %105, ptr %103, align 4, !tbaa !16
  br label %106

106:                                              ; preds = %78
  %107 = load i32, ptr %10, align 4, !tbaa !8
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %10, align 4, !tbaa !8
  br label %73, !llvm.loop !18

109:                                              ; preds = %77
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  call void @_Z5solvev(ptr dead_on_unwind writable sret(%"class.std::vector.5") align 8 %11)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %110

110:                                              ; preds = %133, %109
  %111 = load i32, ptr %12, align 4, !tbaa !8
  %112 = sext i32 %111 to i64
  %113 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  %114 = icmp ult i64 %112, %113
  br i1 %114, label %116, label %115

115:                                              ; preds = %110
  store i32 11, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %136

116:                                              ; preds = %110
  %117 = load i32, ptr %12, align 4, !tbaa !8
  %118 = icmp sgt i32 %117, 0
  br i1 %118, label %119, label %126

119:                                              ; preds = %116
  %120 = 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 %121 unwind label %122

121:                                              ; preds = %119
  br label %126

122:                                              ; preds = %126, %119
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %4, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %144

126:                                              ; preds = %121, %116
  %127 = load i32, ptr %12, align 4, !tbaa !8
  %128 = sext i32 %127 to i64
  %129 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %128) #6
  %130 = load i64, ptr %129, align 8, !tbaa !19
  %131 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %130)
          to label %132 unwind label %122

132:                                              ; preds = %126
  br label %133

133:                                              ; preds = %132
  %134 = load i32, ptr %12, align 4, !tbaa !8
  %135 = add nsw i32 %134, 1
  store i32 %135, ptr %12, align 4, !tbaa !8
  br label %110, !llvm.loop !21

136:                                              ; preds = %115
  %137 = 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 %138 unwind label %140

138:                                              ; preds = %136
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  %139 = load i32, ptr %1, align 4
  ret i32 %139

140:                                              ; preds = %136
  %141 = landingpad { ptr, i32 }
          cleanup
  %142 = extractvalue { ptr, i32 } %141, 0
  store ptr %142, ptr %4, align 8
  %143 = extractvalue { ptr, i32 } %141, 1
  store i32 %143, ptr %5, align 4
  br label %144

144:                                              ; preds = %140, %122
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  br label %145

145:                                              ; preds = %144, %44
  %146 = load ptr, ptr %4, align 8
  %147 = load i32, ptr %5, align 4
  %148 = insertvalue { ptr, i32 } poison, ptr %146, 0
  %149 = insertvalue { ptr, i32 } %148, i32 %147, 1
  resume { ptr, i32 } %149
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #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)) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4edgeSaIS0_EE6assignEmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(12)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 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) #5

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

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { 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 #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 = { 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 #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!15, !9, i64 0}
!15 = !{!"_ZTS4edge", !9, i64 0, !9, i64 4, !9, i64 8}
!16 = !{!15, !9, i64 4}
!17 = !{!15, !9, i64 8}
!18 = distinct !{!18, !12}
!19 = !{!20, !20, i64 0}
!20 = !{!"long long", !10, i64 0}
!21 = distinct !{!21, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl" }
%"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl" = type { %"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl_data" }
%"struct.std::_Vector_base<edge, std::allocator<edge>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.12" = type { i8 }
%struct.edge = type { i32, i32, i32 }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@D = external dso_local global %"class.std::vector", align 8
@E = external dso_local global %"class.std::vector.0", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZL3inf = external hidden constant i32, align 4
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solvev(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8) local_unnamed_addr #0

; 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 noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector.10", align 8
  %2 = alloca %"class.std::allocator.12", align 1
  %3 = alloca %struct.edge, align 4
  %4 = alloca %"class.std::vector.5", align 8
  %5 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %6 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %7 = getelementptr i8, ptr %6, i64 -24
  %8 = load i64, ptr %7, align 8
  %9 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %8
  %10 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %9, ptr noundef null)
  %11 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %12 = getelementptr i8, ptr %11, i64 -24
  %13 = load i64, ptr %12, align 8
  %14 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %13
  %15 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %14, ptr noundef null)
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  %17 = load i32, ptr @N, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  %18 = sext i32 %17 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %18, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3inf, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %19 unwind label %32

19:                                               ; preds = %0
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @D, i64 noundef %18, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %20 unwind label %34

20:                                               ; preds = %19
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  %21 = load i32, ptr @N, align 4, !tbaa !8
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.preheader, label %._crit_edge33

.preheader:                                       ; preds = %20, %._crit_edge
  %23 = phi i32 [ %37, %._crit_edge ], [ %21, %20 ]
  %indvars.iv45 = phi i64 [ %indvars.iv.next46, %._crit_edge ], [ 0, %20 ]
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph, label %.preheader.._crit_edge_crit_edge

.preheader.._crit_edge_crit_edge:                 ; preds = %.preheader
  %.pre = sext i32 %23 to i64
  br label %._crit_edge

._crit_edge33:                                    ; preds = %._crit_edge, %20
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %26 = load i32, ptr @M, align 4, !tbaa !8
  %27 = sext i32 %26 to i64
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !11
  %28 = getelementptr inbounds i8, ptr %3, i64 4
  store i32 0, ptr %28, align 4, !tbaa !13
  %29 = getelementptr inbounds i8, ptr %3, i64 8
  store i32 0, ptr %29, align 4, !tbaa !14
  call void @_ZNSt6vectorI4edgeSaIS0_EE6assignEmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %27, ptr noundef nonnull align 4 dereferenceable(12) %3)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %3) #6
  %30 = load i32, ptr @M, align 4, !tbaa !8
  %31 = icmp sgt i32 %30, 0
  br i1 %31, label %.lr.ph36, label %._crit_edge37

32:                                               ; preds = %0
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %36

34:                                               ; preds = %19
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  br label %36

36:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  br label %83

._crit_edge:                                      ; preds = %.lr.ph, %.preheader.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.preheader.._crit_edge_crit_edge ], [ %43, %.lr.ph ]
  %37 = phi i32 [ %23, %.preheader.._crit_edge_crit_edge ], [ %42, %.lr.ph ]
  %indvars.iv.next46 = add nuw nsw i64 %indvars.iv45, 1
  %38 = icmp slt i64 %indvars.iv.next46, %.pre-phi
  br i1 %38, label %.preheader, label %._crit_edge33, !llvm.loop !15

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader ]
  %39 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @D, i64 noundef %indvars.iv45) #6
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %39, i64 noundef %indvars.iv) #6
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %40)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %42 = load i32, ptr @N, align 4, !tbaa !8
  %43 = sext i32 %42 to i64
  %44 = icmp slt i64 %indvars.iv.next, %43
  br i1 %44, label %.lr.ph, label %._crit_edge, !llvm.loop !18

._crit_edge37:                                    ; preds = %.lr.ph36, %._crit_edge33
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @_Z5solvev(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.5") align 8 %4)
  %45 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %.not42 = icmp eq i64 %45, 0
  br i1 %.not42, label %._crit_edge41, label %.lr.ph40.preheader

.lr.ph40.preheader:                               ; preds = %._crit_edge37
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %47 = load i64, ptr %46, align 8, !tbaa !19
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %47)
          to label %49 unwind label %.loopexit.split-lp

49:                                               ; preds = %.lr.ph40.preheader
  %50 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %51 = icmp ugt i64 %50, 1
  br i1 %51, label %.lr.ph40.peel.next, label %._crit_edge41

.lr.ph36:                                         ; preds = %._crit_edge33, %.lr.ph36
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %.lr.ph36 ], [ 0, %._crit_edge33 ]
  %52 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %indvars.iv48) #6
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %52)
  %54 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %indvars.iv48) #6
  %55 = getelementptr inbounds i8, ptr %54, i64 4
  %56 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %53, ptr noundef nonnull align 4 dereferenceable(4) %55)
  %57 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %indvars.iv48) #6
  %58 = getelementptr inbounds i8, ptr %57, i64 8
  %59 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %56, ptr noundef nonnull align 4 dereferenceable(4) %58)
  %60 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %indvars.iv48) #6
  %61 = load i32, ptr %60, align 4, !tbaa !11
  %62 = add nsw i32 %61, -1
  store i32 %62, ptr %60, align 4, !tbaa !11
  %63 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @E, i64 noundef %indvars.iv48) #6
  %64 = getelementptr inbounds i8, ptr %63, i64 4
  %65 = load i32, ptr %64, align 4, !tbaa !13
  %66 = add nsw i32 %65, -1
  store i32 %66, ptr %64, align 4, !tbaa !13
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %67 = load i32, ptr @M, align 4, !tbaa !8
  %68 = sext i32 %67 to i64
  %69 = icmp slt i64 %indvars.iv.next49, %68
  br i1 %69, label %.lr.ph36, label %._crit_edge37, !llvm.loop !21

._crit_edge41:                                    ; preds = %76, %49, %._crit_edge37
  %70 = 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 %79 unwind label %80

.lr.ph40.peel.next:                               ; preds = %49, %76
  %indvars.iv51 = phi i64 [ %indvars.iv.next52, %76 ], [ 1, %49 ]
  %71 = 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 %72 unwind label %.loopexit

.loopexit:                                        ; preds = %.lr.ph40.peel.next, %72
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %82

.loopexit.split-lp:                               ; preds = %.lr.ph40.preheader
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %82

72:                                               ; preds = %.lr.ph40.peel.next
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv51) #6
  %74 = load i64, ptr %73, align 8, !tbaa !19
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %74)
          to label %76 unwind label %.loopexit

76:                                               ; preds = %72
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %77 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %78 = icmp ugt i64 %77, %indvars.iv.next52
  br i1 %78, label %.lr.ph40.peel.next, label %._crit_edge41, !llvm.loop !22

79:                                               ; preds = %._crit_edge41
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  ret i32 0

80:                                               ; preds = %._crit_edge41
  %81 = landingpad { ptr, i32 }
          cleanup
  br label %82

82:                                               ; preds = %.loopexit, %.loopexit.split-lp, %80
  %.pn28 = phi { ptr, i32 } [ %81, %80 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %83

83:                                               ; preds = %82, %36
  %.pn28.pn = phi { ptr, i32 } [ %.pn28, %82 ], [ %.pn, %36 ]
  resume { ptr, i32 } %.pn28.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #4

; 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

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 @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI4edgeSaIS0_EE6assignEmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNSt6vectorI4edgeSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 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

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

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { 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 #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 = { 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 #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!12, !9, i64 0}
!12 = !{!"_ZTS4edge", !9, i64 0, !9, i64 4, !9, i64 8}
!13 = !{!12, !9, i64 4}
!14 = !{!12, !9, i64 8}
!15 = distinct !{!15, !16, !17}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!"llvm.loop.unswitch.partial.disable"}
!18 = distinct !{!18, !16}
!19 = !{!20, !20, i64 0}
!20 = !{!"long long", !10, i64 0}
!21 = distinct !{!21, !16}
!22 = distinct !{!22, !16, !23}
!23 = !{!"llvm.loop.peeled.count", i32 1}


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