; LLVM IR from DionysiosB/CodeForces :: 0800-0899 (834B-TheFestiveEvening)

; 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<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"class.std::allocator" = type { i8 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 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", align 8
  %4 = alloca %"struct.std::pair", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i8, align 1
  %16 = alloca i64, align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 26, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 -1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 -1, ptr %6, align 4, !tbaa !5
  call void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 26, ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %20 unwind label %32

20:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %22 unwind label %36

22:                                               ; preds = %20
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %24 unwind label %36

24:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %26 unwind label %40

26:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !9
  br label %27

27:                                               ; preds = %55, %26
  %28 = load i64, ptr %13, align 8, !tbaa !9
  %29 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  %30 = icmp ult i64 %28, %29
  br i1 %30, label %44, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %62

32:                                               ; preds = %0
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %8, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %9, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #6
  br label %151

36:                                               ; preds = %22, %20
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %8, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %9, align 4
  br label %150

40:                                               ; preds = %24
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %8, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %9, align 4
  br label %149

44:                                               ; preds = %27
  %45 = load i64, ptr %13, align 8, !tbaa !9
  %46 = load i64, ptr %13, align 8, !tbaa !9
  %47 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %12, i64 noundef %46)
          to label %48 unwind label %58

48:                                               ; preds = %44
  %49 = load i8, ptr %47, align 1, !tbaa !11
  %50 = sext i8 %49 to i32
  %51 = sub nsw i32 %50, 65
  %52 = sext i32 %51 to i64
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %52) #6
  %54 = getelementptr inbounds %"struct.std::pair", ptr %53, i32 0, i32 1
  store i64 %45, ptr %54, align 8, !tbaa !12
  br label %55

55:                                               ; preds = %48
  %56 = load i64, ptr %13, align 8, !tbaa !9
  %57 = add nsw i64 %56, 1
  store i64 %57, ptr %13, align 8, !tbaa !9
  br label %27, !llvm.loop !14

58:                                               ; preds = %44
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %8, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %149

62:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %63 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  %64 = sub i64 %63, 1
  store i64 %64, ptr %14, align 8, !tbaa !9
  br label %65

65:                                               ; preds = %80, %62
  %66 = load i64, ptr %14, align 8, !tbaa !9
  %67 = icmp sge i64 %66, 0
  br i1 %67, label %69, label %68

68:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %87

69:                                               ; preds = %65
  %70 = load i64, ptr %14, align 8, !tbaa !9
  %71 = load i64, ptr %14, align 8, !tbaa !9
  %72 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %12, i64 noundef %71)
          to label %73 unwind label %83

73:                                               ; preds = %69
  %74 = load i8, ptr %72, align 1, !tbaa !11
  %75 = sext i8 %74 to i32
  %76 = sub nsw i32 %75, 65
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %77) #6
  %79 = getelementptr inbounds %"struct.std::pair", ptr %78, i32 0, i32 0
  store i64 %70, ptr %79, align 8, !tbaa !16
  br label %80

80:                                               ; preds = %73
  %81 = load i64, ptr %14, align 8, !tbaa !9
  %82 = add nsw i64 %81, -1
  store i64 %82, ptr %14, align 8, !tbaa !9
  br label %65, !llvm.loop !17

83:                                               ; preds = %69
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %8, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %149

87:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #6
  store i8 0, ptr %15, align 1, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  store i64 0, ptr %16, align 8, !tbaa !9
  br label %88

88:                                               ; preds = %131, %87
  %89 = load i64, ptr %16, align 8, !tbaa !9
  %90 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  %91 = icmp ult i64 %89, %90
  br i1 %91, label %93, label %92

92:                                               ; preds = %88
  store i32 8, ptr %17, align 4
  br label %134

93:                                               ; preds = %88
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  store i32 0, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  store i32 0, ptr %19, align 4, !tbaa !5
  br label %94

94:                                               ; preds = %119, %93
  %95 = load i32, ptr %19, align 4, !tbaa !5
  %96 = icmp slt i32 %95, 26
  br i1 %96, label %98, label %97

97:                                               ; preds = %94
  store i32 11, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  br label %122

98:                                               ; preds = %94
  %99 = load i32, ptr %19, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %100) #6
  %102 = getelementptr inbounds %"struct.std::pair", ptr %101, i32 0, i32 0
  %103 = load i64, ptr %102, align 8, !tbaa !16
  %104 = load i64, ptr %16, align 8, !tbaa !9
  %105 = icmp sle i64 %103, %104
  br i1 %105, label %106, label %114

106:                                              ; preds = %98
  %107 = load i64, ptr %16, align 8, !tbaa !9
  %108 = load i32, ptr %19, align 4, !tbaa !5
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %109) #6
  %111 = getelementptr inbounds %"struct.std::pair", ptr %110, i32 0, i32 1
  %112 = load i64, ptr %111, align 8, !tbaa !12
  %113 = icmp sle i64 %107, %112
  br label %114

114:                                              ; preds = %106, %98
  %115 = phi i1 [ false, %98 ], [ %113, %106 ]
  %116 = zext i1 %115 to i32
  %117 = load i32, ptr %18, align 4, !tbaa !5
  %118 = add nsw i32 %117, %116
  store i32 %118, ptr %18, align 4, !tbaa !5
  br label %119

119:                                              ; preds = %114
  %120 = load i32, ptr %19, align 4, !tbaa !5
  %121 = add nsw i32 %120, 1
  store i32 %121, ptr %19, align 4, !tbaa !5
  br label %94, !llvm.loop !20

122:                                              ; preds = %97
  %123 = load i32, ptr %18, align 4, !tbaa !5
  %124 = load i32, ptr %11, align 4, !tbaa !5
  %125 = icmp sgt i32 %123, %124
  br i1 %125, label %126, label %127

126:                                              ; preds = %122
  store i8 1, ptr %15, align 1, !tbaa !18
  store i32 8, ptr %17, align 4
  br label %128

127:                                              ; preds = %122
  store i32 0, ptr %17, align 4
  br label %128

128:                                              ; preds = %127, %126
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  %129 = load i32, ptr %17, align 4
  switch i32 %129, label %134 [
    i32 0, label %130
  ]

130:                                              ; preds = %128
  br label %131

131:                                              ; preds = %130
  %132 = load i64, ptr %16, align 8, !tbaa !9
  %133 = add nsw i64 %132, 1
  store i64 %133, ptr %16, align 8, !tbaa !9
  br label %88, !llvm.loop !21

134:                                              ; preds = %128, %92
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %135

135:                                              ; preds = %134
  %136 = load i8, ptr %15, align 1, !tbaa !18, !range !22, !noundef !23
  %137 = trunc i8 %136 to i1
  %138 = zext i1 %137 to i64
  %139 = select i1 %137, ptr @.str, ptr @.str.1
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %139)
          to label %141 unwind label %145

141:                                              ; preds = %135
  %142 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %140, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %143 unwind label %145

143:                                              ; preds = %141
  store i32 0, ptr %1, align 4
  store i32 1, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %144 = load i32, ptr %1, align 4
  ret i32 %144

145:                                              ; preds = %141, %135
  %146 = landingpad { ptr, i32 }
          cleanup
  %147 = extractvalue { ptr, i32 } %146, 0
  store ptr %147, ptr %8, align 8
  %148 = extractvalue { ptr, i32 } %146, 1
  store i32 %148, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  br label %149

149:                                              ; preds = %145, %83, %58, %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #6
  br label %150

150:                                              ; preds = %149, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %151

151:                                              ; preds = %150, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %152

152:                                              ; preds = %151
  %153 = load ptr, ptr %8, align 8
  %154 = load i32, ptr %9, align 4
  %155 = insertvalue { ptr, i32 } poison, ptr %153, 0
  %156 = insertvalue { ptr, i32 } %155, i32 %154, 1
  resume { ptr, i32 } %156
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #3 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #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 @_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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !10, i64 8}
!13 = !{!"_ZTSSt4pairIllE", !10, i64 0, !10, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!13, !10, i64 0}
!17 = distinct !{!17, !15}
!18 = !{!19, !19, i64 0}
!19 = !{!"bool", !7, i64 0}
!20 = distinct !{!20, !15}
!21 = distinct !{!21, !15}
!22 = !{i8 0, i8 2}
!23 = !{}


; 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<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"class.std::allocator" = type { i8 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 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 %"class.std::vector", align 8
  %2 = alloca %"struct.std::pair", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 -1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 -1, ptr %4, align 4, !tbaa !5
  call void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 26, ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %9 unwind label %18

9:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %11 unwind label %20

11:                                               ; preds = %9
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %13 unwind label %20

13:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %14 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %.preheader39 unwind label %22

.preheader39:                                     ; preds = %13
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %.not51 = icmp eq i64 %15, 0
  br i1 %.not51, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %.preheader39
  %16 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %.02641 = add i64 %16, -1
  %17 = icmp sgt i64 %.02641, -1
  br i1 %17, label %.lr.ph44, label %.preheader38

18:                                               ; preds = %0
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  br label %66

20:                                               ; preds = %11, %9
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %65

22:                                               ; preds = %13
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %64

.lr.ph:                                           ; preds = %.preheader39, %.lr.ph
  %.02740 = phi i64 [ %30, %.lr.ph ], [ 0, %.preheader39 ]
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %.02740)
  %25 = load i8, ptr %24, align 1, !tbaa !9
  %26 = sext i8 %25 to i64
  %27 = add nsw i64 %26, -65
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %27) #6
  %29 = getelementptr inbounds i8, ptr %28, i64 8
  store i64 %.02740, ptr %29, align 8, !tbaa !10
  %30 = add nuw nsw i64 %.02740, 1
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %32 = icmp ult i64 %30, %31
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !13

.preheader38:                                     ; preds = %.lr.ph44, %._crit_edge
  %33 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %.not52 = icmp eq i64 %33, 0
  br i1 %.not52, label %._crit_edge48, label %.preheader

.lr.ph44:                                         ; preds = %._crit_edge, %.lr.ph44
  %.02642 = phi i64 [ %.026, %.lr.ph44 ], [ %.02641, %._crit_edge ]
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %.02642)
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = sext i8 %35 to i64
  %37 = add nsw i64 %36, -65
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %37) #6
  store i64 %.02642, ptr %38, align 8, !tbaa !15
  %.026 = add nsw i64 %.02642, -1
  %.not54 = icmp eq i64 %.02642, 0
  br i1 %.not54, label %.preheader38, label %.lr.ph44, !llvm.loop !16

39:                                               ; preds = %43
  %40 = add nuw nsw i64 %.02447, 1
  %41 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %42 = icmp ult i64 %40, %41
  br i1 %42, label %.preheader, label %._crit_edge48, !llvm.loop !17

.preheader:                                       ; preds = %.preheader38, %39
  %.02447 = phi i64 [ %40, %39 ], [ 0, %.preheader38 ]
  br label %45

43:                                               ; preds = %53
  %44 = load i32, ptr %7, align 4, !tbaa !5
  %.not = icmp sgt i32 %56, %44
  br i1 %.not, label %._crit_edge48, label %39

45:                                               ; preds = %.preheader, %53
  %indvars.iv = phi i64 [ 0, %.preheader ], [ %indvars.iv.next, %53 ]
  %.02245 = phi i32 [ 0, %.preheader ], [ %56, %53 ]
  %46 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #6
  %47 = load i64, ptr %46, align 8, !tbaa !15
  %.not37 = icmp sgt i64 %47, %.02447
  br i1 %.not37, label %53, label %48

48:                                               ; preds = %45
  %49 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #6
  %50 = getelementptr inbounds i8, ptr %49, i64 8
  %51 = load i64, ptr %50, align 8, !tbaa !10
  %52 = icmp sle i64 %.02447, %51
  br label %53

53:                                               ; preds = %48, %45
  %54 = phi i1 [ false, %45 ], [ %52, %48 ]
  %55 = zext i1 %54 to i32
  %56 = add nuw nsw i32 %.02245, %55
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 26
  br i1 %exitcond.not, label %43, label %45, !llvm.loop !18

._crit_edge48:                                    ; preds = %43, %39, %.preheader38
  %57 = phi ptr [ @.str.1, %.preheader38 ], [ @.str.1, %39 ], [ @.str, %43 ]
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %57)
          to label %59 unwind label %62

59:                                               ; preds = %._crit_edge48
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %61 unwind label %62

61:                                               ; preds = %59
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  ret i32 0

62:                                               ; preds = %59, %._crit_edge48
  %63 = landingpad { ptr, i32 }
          cleanup
  br label %64

64:                                               ; preds = %62, %22
  %.pn = phi { ptr, i32 } [ %63, %62 ], [ %23, %22 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #6
  br label %65

65:                                               ; preds = %64, %20
  %.pn.pn = phi { ptr, i32 } [ %.pn, %64 ], [ %21, %20 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  br label %66

66:                                               ; preds = %65, %18
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %65 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) 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 @_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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !12, i64 8}
!11 = !{!"_ZTSSt4pairIllE", !12, i64 0, !12, i64 8}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!11, !12, i64 0}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}
!18 = distinct !{!18, !14}


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