; LLVM IR from brpapa/algorithms :: solutions/uva (12238)

; 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<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i64 }
%class.lca = type { %"class.std::vector", i32, i32, %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.15", %class.sparse_table }
%"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::vector.15" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%class.sparse_table = type { %"class.std::vector.5", i32, %"class.std::vector.19" }
%"class.std::vector.19" = type { %"struct.std::_Vector_base.20" }
%"struct.std::_Vector_base.20" = 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 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca %class.lca, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  br label %15

15:                                               ; preds = %87, %0
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr %16, i64 %19
  %21 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %20)
  br i1 %21, label %22, label %25

22:                                               ; preds = %15
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = icmp ne i32 %23, 0
  br label %25

25:                                               ; preds = %22, %15
  %26 = phi i1 [ false, %15 ], [ %24, %22 ]
  br i1 %26, label %27, label %89

27:                                               ; preds = %25
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #8
  call void @llvm.memset.p0.i64(ptr align 8 %3, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt4pairIixESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  invoke void @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %29, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %30 unwind label %37

30:                                               ; preds = %27
  call void @_ZNSt6vectorISt4pairIixESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 1, ptr %6, align 4, !tbaa !8
  br label %31

31:                                               ; preds = %50, %30
  %32 = load i32, ptr %6, align 4, !tbaa !8
  %33 = load i32, ptr %2, align 4, !tbaa !8
  %34 = sub nsw i32 %33, 1
  %35 = icmp sle i32 %32, %34
  br i1 %35, label %41, label %36

36:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %53

37:                                               ; preds = %27
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %4, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %5, align 4
  call void @_ZNSt6vectorISt4pairIixESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #8
  br label %90

41:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #8
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 8 dereferenceable(8) %8)
  %44 = load i32, ptr %6, align 4, !tbaa !8
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %45) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #8
  call void @_ZNSt4pairIixEC2IRiRxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
  call void @_ZNSt6vectorISt4pairIixESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %46, ptr noundef nonnull align 8 dereferenceable(16) %9)
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #8
  %47 = load i32, ptr %7, align 4, !tbaa !8
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %48) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #8
  call void @_ZNSt4pairIixEC2IRiRxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
  call void @_ZNSt6vectorISt4pairIixESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %49, ptr noundef nonnull align 8 dereferenceable(16) %10)
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %50

50:                                               ; preds = %41
  %51 = load i32, ptr %6, align 4, !tbaa !8
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %6, align 4, !tbaa !8
  br label %31, !llvm.loop !11

53:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 224, ptr %11) #8
  call void @_ZN3lcaC2ERKSt6vectorIS0_ISt4pairIixESaIS2_EESaIS4_EEi(ptr noundef nonnull align 8 dereferenceable(224) %11, ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  %54 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %55 unwind label %76

55:                                               ; preds = %53
  br label %56

56:                                               ; preds = %84, %55
  %57 = load i32, ptr %12, align 4, !tbaa !8
  %58 = add nsw i32 %57, -1
  store i32 %58, ptr %12, align 4, !tbaa !8
  %59 = icmp ne i32 %57, 0
  br i1 %59, label %60, label %85

60:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  %61 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %62 unwind label %80

62:                                               ; preds = %60
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %61, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %64 unwind label %80

64:                                               ; preds = %62
  %65 = load i32, ptr %13, align 4, !tbaa !8
  %66 = load i32, ptr %14, align 4, !tbaa !8
  %67 = invoke noundef i64 @_ZN3lca10query_distEii(ptr noundef nonnull align 8 dereferenceable(224) %11, i32 noundef %65, i32 noundef %66)
          to label %68 unwind label %80

68:                                               ; preds = %64
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %67)
          to label %70 unwind label %80

70:                                               ; preds = %68
  %71 = load i32, ptr %12, align 4, !tbaa !8
  %72 = icmp sgt i32 %71, 0
  br i1 %72, label %73, label %84

73:                                               ; preds = %70
  %74 = 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 %75 unwind label %80

75:                                               ; preds = %73
  br label %84

76:                                               ; preds = %85, %53
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %4, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %5, align 4
  br label %88

80:                                               ; preds = %73, %68, %64, %62, %60
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %4, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %88

84:                                               ; preds = %75, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %56, !llvm.loop !13

85:                                               ; preds = %56
  %86 = 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 %87 unwind label %76

87:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @_ZN3lcaD2Ev(ptr noundef nonnull align 8 dereferenceable(224) %11) #8
  call void @llvm.lifetime.end.p0(i64 224, ptr %11) #8
  br label %15, !llvm.loop !14

88:                                               ; preds = %80, %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @_ZN3lcaD2Ev(ptr noundef nonnull align 8 dereferenceable(224) %11) #8
  call void @llvm.lifetime.end.p0(i64 224, ptr %11) #8
  br label %90

89:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  ret i32 0

90:                                               ; preds = %88, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %91

91:                                               ; preds = %90
  %92 = load ptr, ptr %4, align 8
  %93 = load i32, ptr %5, align 4
  %94 = insertvalue { ptr, i32 } poison, ptr %92, 0
  %95 = insertvalue { ptr, i32 } %94, i32 %93, 1
  resume { ptr, i32 } %95
}

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

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

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIixESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIixESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIixESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIixEC2IRiRxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3lcaC2ERKSt6vectorIS0_ISt4pairIixESaIS2_EESaIS4_EEi(ptr noundef nonnull align 8 dereferenceable(224), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN3lca10query_distEii(ptr noundef nonnull align 8 dereferenceable(224), i32 noundef, i32 noundef) #3 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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 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 nounwind uwtable
declare dso_local void @_ZN3lcaD2Ev(ptr noundef nonnull align 8 dereferenceable(224)) unnamed_addr #7 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = distinct !{!13, !12}
!14 = distinct !{!14, !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<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<int, long long>>, std::allocator<std::vector<std::pair<int, long long>>>>::_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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, long long>, std::allocator<std::pair<int, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i64 }
%class.lca = type { %"class.std::vector", i32, i32, %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.15", %class.sparse_table }
%"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::vector.15" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%class.sparse_table = type { %"class.std::vector.5", i32, %"class.std::vector.19" }
%"class.std::vector.19" = type { %"struct.std::_Vector_base.20" }
%"struct.std::_Vector_base.20" = 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 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca %class.lca, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %12, i64 %15
  %17 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %16)
  %18 = load i32, ptr %1, align 4
  %19 = icmp ne i32 %18, 0
  %20 = select i1 %17, i1 %19, i1 false
  br i1 %20, label %.lr.ph11, label %._crit_edge12

.lr.ph11:                                         ; preds = %0, %63
  %21 = phi i32 [ %70, %63 ], [ %18, %0 ]
  %22 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %2, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt4pairIixESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  invoke void @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %22, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %23 unwind label %28

23:                                               ; preds = %.lr.ph11
  call void @_ZNSt6vectorISt4pairIixESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  store i32 1, ptr %3, align 4, !tbaa !8
  %24 = load i32, ptr %1, align 4, !tbaa !8
  %.not.not6 = icmp sgt i32 %24, 1
  br i1 %.not.not6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %23
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 224, ptr nonnull %8) #8
  call void @_ZN3lcaC2ERKSt6vectorIS0_ISt4pairIixESaIS2_EESaIS4_EEi(ptr noundef nonnull align 8 dereferenceable(224) %8, ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #8
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %.preheader unwind label %55

.preheader:                                       ; preds = %._crit_edge
  %26 = load i32, ptr %9, align 4, !tbaa !8
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %9, align 4, !tbaa !8
  %.not7 = icmp eq i32 %26, 0
  br i1 %.not7, label %._crit_edge9, label %.lr.ph8

28:                                               ; preds = %.lr.ph11
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt4pairIixESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  br label %74

.lr.ph:                                           ; preds = %23, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 8 dereferenceable(8) %5)
  %32 = load i32, ptr %3, align 4, !tbaa !8
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %33) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #8
  call void @_ZNSt4pairIixEC2IRiRxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @_ZNSt6vectorISt4pairIixESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %34, ptr noundef nonnull align 8 dereferenceable(16) %6)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #8
  %35 = load i32, ptr %4, align 4, !tbaa !8
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %36) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #8
  call void @_ZNSt4pairIixEC2IRiRxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @_ZNSt6vectorISt4pairIixESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %37, ptr noundef nonnull align 8 dereferenceable(16) %7)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  %38 = load i32, ptr %3, align 4, !tbaa !8
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %3, align 4, !tbaa !8
  %40 = load i32, ptr %1, align 4, !tbaa !8
  %.not.not = icmp slt i32 %39, %40
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

.lr.ph8:                                          ; preds = %.preheader, %59
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #8
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %42 unwind label %57

42:                                               ; preds = %.lr.ph8
  %43 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %41, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %44 unwind label %57

44:                                               ; preds = %42
  %45 = load i32, ptr %10, align 4, !tbaa !8
  %46 = load i32, ptr %11, align 4, !tbaa !8
  %47 = invoke noundef i64 @_ZN3lca10query_distEii(ptr noundef nonnull align 8 dereferenceable(224) %8, i32 noundef %45, i32 noundef %46)
          to label %48 unwind label %57

48:                                               ; preds = %44
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %47)
          to label %50 unwind label %57

50:                                               ; preds = %48
  %51 = load i32, ptr %9, align 4, !tbaa !8
  %52 = icmp sgt i32 %51, 0
  br i1 %52, label %53, label %59

53:                                               ; preds = %50
  %54 = 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 %._crit_edge13 unwind label %57

._crit_edge13:                                    ; preds = %53
  %.pre = load i32, ptr %9, align 4, !tbaa !8
  br label %59

55:                                               ; preds = %._crit_edge9, %._crit_edge
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %73

57:                                               ; preds = %53, %48, %44, %42, %.lr.ph8
  %58 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #8
  br label %73

59:                                               ; preds = %._crit_edge13, %50
  %60 = phi i32 [ %.pre, %._crit_edge13 ], [ %51, %50 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #8
  %61 = add nsw i32 %60, -1
  store i32 %61, ptr %9, align 4, !tbaa !8
  %.not = icmp eq i32 %60, 0
  br i1 %.not, label %._crit_edge9, label %.lr.ph8, !llvm.loop !13

._crit_edge9:                                     ; preds = %59, %.preheader
  %62 = 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 %63 unwind label %55

63:                                               ; preds = %._crit_edge9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #8
  call void @_ZN3lcaD2Ev(ptr noundef nonnull align 8 dereferenceable(224) %8) #8
  call void @llvm.lifetime.end.p0(i64 224, ptr nonnull %8) #8
  %64 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %65 = load ptr, ptr %64, align 8, !tbaa !5
  %66 = getelementptr i8, ptr %65, i64 -24
  %67 = load i64, ptr %66, align 8
  %68 = getelementptr inbounds i8, ptr %64, i64 %67
  %69 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %68)
  %70 = load i32, ptr %1, align 4
  %71 = icmp ne i32 %70, 0
  %72 = select i1 %69, i1 %71, i1 false
  br i1 %72, label %.lr.ph11, label %._crit_edge12, !llvm.loop !14

73:                                               ; preds = %57, %55
  %.pn = phi { ptr, i32 } [ %58, %57 ], [ %56, %55 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #8
  call void @_ZN3lcaD2Ev(ptr noundef nonnull align 8 dereferenceable(224) %8) #8
  call void @llvm.lifetime.end.p0(i64 224, ptr nonnull %8) #8
  br label %74

._crit_edge12:                                    ; preds = %63, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0

74:                                               ; preds = %73, %28
  %.pn.pn = phi { ptr, i32 } [ %.pn, %73 ], [ %29, %28 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn.pn
}

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

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

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIixESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIixESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIixESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIixESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIixEC2IRiRxTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3lcaC2ERKSt6vectorIS0_ISt4pairIixESaIS2_EESaIS4_EEi(ptr noundef nonnull align 8 dereferenceable(224), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN3lca10query_distEii(ptr noundef nonnull align 8 dereferenceable(224), i32 noundef, i32 noundef) local_unnamed_addr #3 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 #6

; 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 #3 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 nounwind uwtable
declare dso_local void @_ZN3lcaD2Ev(ptr noundef nonnull align 8 dereferenceable(224)) unnamed_addr #7 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass