; LLVM IR from DionysiosB/CodeForces :: 1500-1599 (1515C-PhoenixAndTowers)

; 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::multiset" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<long long, long long>, std::pair<long long, long long>, std::_Identity<std::pair<long long, long long>>, std::less<std::pair<long long, long long>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<long long, long long>, std::pair<long long, long long>, std::_Identity<std::pair<long long, long long>>, std::less<std::pair<long long, long long>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"struct.std::pair.0" = type { i32, i64 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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::allocator.2" = type { i8 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 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 i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::multiset", align 8
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"struct.std::pair.0", align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca %"class.std::allocator.2", align 1
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %19 = alloca i64, align 8
  %20 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %21 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %22 = alloca %"struct.std::pair", align 8
  %23 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %24 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %26

26:                                               ; preds = %142, %0
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = add nsw i64 %27, -1
  store i64 %28, ptr %2, align 8, !tbaa !5
  %29 = icmp ne i64 %27, 0
  br i1 %29, label %30, label %146

30:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #6
  call void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %32

32:                                               ; preds = %48, %30
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = load i64, ptr %4, align 8, !tbaa !5
  %35 = icmp slt i64 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %55

37:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !9
  %38 = invoke { i32, i64 } @_ZSt9make_pairIiRxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %39 unwind label %51

39:                                               ; preds = %37
  %40 = getelementptr inbounds { i32, i64 }, ptr %9, i32 0, i32 0
  %41 = extractvalue { i32, i64 } %38, 0
  store i32 %41, ptr %40, align 8
  %42 = getelementptr inbounds { i32, i64 }, ptr %9, i32 0, i32 1
  %43 = extractvalue { i32, i64 } %38, 1
  store i64 %43, ptr %42, align 8
  invoke void @_ZNSt4pairIxxEC2IixTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 8 dereferenceable(16) %9)
          to label %44 unwind label %51

44:                                               ; preds = %39
  %45 = invoke ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(16) %8)
          to label %46 unwind label %51

46:                                               ; preds = %44
  %47 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %13, i32 0, i32 0
  store ptr %45, ptr %47, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #6
  br label %48

48:                                               ; preds = %46
  %49 = load i64, ptr %7, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  store i64 %50, ptr %7, align 8, !tbaa !5
  br label %32, !llvm.loop !11

51:                                               ; preds = %44, %39, %37
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %11, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %145

55:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #6
  %56 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #6
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %56, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %57 unwind label %63

57:                                               ; preds = %55
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  store i64 0, ptr %16, align 8, !tbaa !5
  br label %58

58:                                               ; preds = %97, %57
  %59 = load i64, ptr %16, align 8, !tbaa !5
  %60 = load i64, ptr %3, align 8, !tbaa !5
  %61 = icmp slt i64 %59, %60
  br i1 %61, label %67, label %62

62:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %114

63:                                               ; preds = %55
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %11, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  br label %144

67:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %68 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %17)
          to label %69 unwind label %100

69:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %70 = call ptr @_ZNKSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %71 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %18, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  %72 = call noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %73 = getelementptr inbounds %"struct.std::pair", ptr %72, i32 0, i32 1
  %74 = load i64, ptr %73, align 8, !tbaa !13
  store i64 %74, ptr %19, align 8, !tbaa !5
  %75 = call noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %76 = getelementptr inbounds %"struct.std::pair", ptr %75, i32 0, i32 0
  %77 = load i64, ptr %76, align 8, !tbaa !15
  %78 = load i64, ptr %17, align 8, !tbaa !5
  %79 = add nsw i64 %78, %77
  store i64 %79, ptr %17, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %20, ptr align 8 %18, i64 8, i1 false), !tbaa.struct !16
  %80 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %20, i32 0, i32 0
  %81 = load ptr, ptr %80, align 8
  %82 = invoke ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr %81)
          to label %83 unwind label %104

83:                                               ; preds = %69
  %84 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %21, i32 0, i32 0
  store ptr %82, ptr %84, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %22) #6
  %85 = invoke { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %86 unwind label %108

86:                                               ; preds = %83
  %87 = getelementptr inbounds { i64, i64 }, ptr %22, i32 0, i32 0
  %88 = extractvalue { i64, i64 } %85, 0
  store i64 %88, ptr %87, align 8
  %89 = getelementptr inbounds { i64, i64 }, ptr %22, i32 0, i32 1
  %90 = extractvalue { i64, i64 } %85, 1
  store i64 %90, ptr %89, align 8
  %91 = invoke ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(16) %22)
          to label %92 unwind label %108

92:                                               ; preds = %86
  %93 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %23, i32 0, i32 0
  store ptr %91, ptr %93, align 8
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #6
  %94 = load i64, ptr %19, align 8, !tbaa !5
  %95 = load i64, ptr %16, align 8, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %95) #6
  store i64 %94, ptr %96, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %97

97:                                               ; preds = %92
  %98 = load i64, ptr %16, align 8, !tbaa !5
  %99 = add nsw i64 %98, 1
  store i64 %99, ptr %16, align 8, !tbaa !5
  br label %58, !llvm.loop !19

100:                                              ; preds = %67
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %11, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %12, align 4
  br label %113

104:                                              ; preds = %69
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %11, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %12, align 4
  br label %112

108:                                              ; preds = %86, %83
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %11, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #6
  br label %112

112:                                              ; preds = %108, %104
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  br label %113

113:                                              ; preds = %112, %100
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %143

114:                                              ; preds = %62
  %115 = invoke i32 @puts(ptr noundef @.str.2)
          to label %116 unwind label %122

116:                                              ; preds = %114
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #6
  store i64 0, ptr %24, align 8, !tbaa !5
  br label %117

117:                                              ; preds = %133, %116
  %118 = load i64, ptr %24, align 8, !tbaa !5
  %119 = load i64, ptr %3, align 8, !tbaa !5
  %120 = icmp slt i64 %118, %119
  br i1 %120, label %126, label %121

121:                                              ; preds = %117
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #6
  br label %140

122:                                              ; preds = %140, %114
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %11, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %12, align 4
  br label %143

126:                                              ; preds = %117
  %127 = load i64, ptr %24, align 8, !tbaa !5
  %128 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %127) #6
  %129 = load i64, ptr %128, align 8, !tbaa !5
  %130 = add nsw i64 1, %129
  %131 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %130)
          to label %132 unwind label %136

132:                                              ; preds = %126
  br label %133

133:                                              ; preds = %132
  %134 = load i64, ptr %24, align 8, !tbaa !5
  %135 = add nsw i64 %134, 1
  store i64 %135, ptr %24, align 8, !tbaa !5
  br label %117, !llvm.loop !20

136:                                              ; preds = %126
  %137 = landingpad { ptr, i32 }
          cleanup
  %138 = extractvalue { ptr, i32 } %137, 0
  store ptr %138, ptr %11, align 8
  %139 = extractvalue { ptr, i32 } %137, 1
  store i32 %139, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #6
  br label %143

140:                                              ; preds = %121
  %141 = invoke i32 @puts(ptr noundef @.str.4)
          to label %142 unwind label %122

142:                                              ; preds = %140
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  call void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %26, !llvm.loop !21

143:                                              ; preds = %136, %122, %113
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br label %144

144:                                              ; preds = %143, %63
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  br label %145

145:                                              ; preds = %144, %51
  call void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %148

146:                                              ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %147 = load i32, ptr %1, align 4
  ret i32 %147

148:                                              ; preds = %145
  %149 = load ptr, ptr %11, align 8
  %150 = load i32, ptr %12, align 4
  %151 = insertvalue { ptr, i32 } poison, ptr %149, 0
  %152 = insertvalue { ptr, i32 } %151, i32 %150, 1
  resume { ptr, i32 } %152
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i32, i64 } @_ZSt9make_pairIiRxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IixTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 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 nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48), ptr) #4 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; 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) #3 align 2

declare i32 @puts(ptr noundef) #2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 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 #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = !{i64 0, i64 8, !17}
!17 = !{!18, !18, i64 0}
!18 = !{!"any pointer", !7, i64 0}
!19 = distinct !{!19, !12}
!20 = distinct !{!20, !12}
!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::multiset" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<long long, long long>, std::pair<long long, long long>, std::_Identity<std::pair<long long, long long>>, std::less<std::pair<long long, long long>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<long long, long long>, std::pair<long long, long long>, std::_Identity<std::pair<long long, long long>>, std::less<std::pair<long long, long long>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"struct.std::pair.0" = type { i32, i64 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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::allocator.2" = type { i8 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 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 i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::multiset", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca %"struct.std::pair.0", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator.2", align 1
  %12 = alloca i64, align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %14 = alloca i64, align 8
  %15 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %17 = load i64, ptr %1, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %1, align 8, !tbaa !5
  %.not28 = icmp eq i64 %17, 0
  br i1 %.not28, label %._crit_edge31, label %.lr.ph30

.lr.ph30:                                         ; preds = %0
  %19 = getelementptr inbounds i8, ptr %8, i64 8
  %20 = getelementptr inbounds i8, ptr %15, i64 8
  br label %21

21:                                               ; preds = %.lr.ph30, %._crit_edge27
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %5) #5
  call void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  store i64 0, ptr %6, align 8, !tbaa !5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = icmp sgt i64 %23, 0
  br i1 %24, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %31, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #5
  %25 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %38 unwind label %44

.lr.ph:                                           ; preds = %21, %31
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  %26 = invoke { i32, i64 } @_ZSt9make_pairIiRxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %27 unwind label %36

27:                                               ; preds = %.lr.ph
  %28 = extractvalue { i32, i64 } %26, 0
  store i32 %28, ptr %8, align 8
  %29 = extractvalue { i32, i64 } %26, 1
  store i64 %29, ptr %19, align 8
  call void @_ZNSt4pairIxxEC2IixTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %8)
  %30 = invoke ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(16) %7)
          to label %31 unwind label %36

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  %32 = load i64, ptr %6, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %6, align 8, !tbaa !5
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = icmp slt i64 %33, %34
  br i1 %35, label %.lr.ph, label %._crit_edge, !llvm.loop !11

36:                                               ; preds = %27, %.lr.ph
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br label %84

38:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  %39 = load i64, ptr %2, align 8, !tbaa !5
  %40 = icmp sgt i64 %39, 0
  br i1 %40, label %.lr.ph22, label %._crit_edge23

._crit_edge23:                                    ; preds = %62, %38
  %41 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  %42 = load i64, ptr %2, align 8, !tbaa !5
  %43 = icmp sgt i64 %42, 0
  br i1 %43, label %.lr.ph26, label %._crit_edge27

44:                                               ; preds = %._crit_edge
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  br label %83

.lr.ph22:                                         ; preds = %38, %62
  %.01520 = phi i64 [ %65, %62 ], [ 0, %38 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #5
  %46 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %12)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #5
  %47 = call ptr @_ZNKSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  store ptr %47, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #5
  %48 = call noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  %49 = getelementptr inbounds i8, ptr %48, i64 8
  %50 = load i64, ptr %49, align 8, !tbaa !13
  store i64 %50, ptr %14, align 8, !tbaa !5
  %51 = call noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #5
  %52 = load i64, ptr %51, align 8, !tbaa !15
  %53 = load i64, ptr %12, align 8, !tbaa !5
  %54 = add nsw i64 %53, %52
  store i64 %54, ptr %12, align 8, !tbaa !5
  %.sroa.04.0.copyload = load ptr, ptr %13, align 8, !tbaa !16
  %55 = invoke ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr %.sroa.04.0.copyload)
          to label %56 unwind label %68

56:                                               ; preds = %.lr.ph22
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %15) #5
  %57 = invoke { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %58 unwind label %70

58:                                               ; preds = %56
  %59 = extractvalue { i64, i64 } %57, 0
  store i64 %59, ptr %15, align 8
  %60 = extractvalue { i64, i64 } %57, 1
  store i64 %60, ptr %20, align 8
  %61 = invoke ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(16) %15)
          to label %62 unwind label %70

62:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %15) #5
  %63 = load i64, ptr %14, align 8, !tbaa !5
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.01520) #5
  store i64 %63, ptr %64, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #5
  %65 = add nuw nsw i64 %.01520, 1
  %66 = load i64, ptr %2, align 8, !tbaa !5
  %67 = icmp slt i64 %65, %66
  br i1 %67, label %.lr.ph22, label %._crit_edge23, !llvm.loop !18

68:                                               ; preds = %.lr.ph22
  %69 = landingpad { ptr, i32 }
          cleanup
  br label %72

70:                                               ; preds = %58, %56
  %71 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %15) #5
  br label %72

72:                                               ; preds = %70, %68
  %.pn = phi { ptr, i32 } [ %71, %70 ], [ %69, %68 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  br label %83

._crit_edge27:                                    ; preds = %.lr.ph26, %._crit_edge23
  %73 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.4)
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #5
  call void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %74 = load i64, ptr %1, align 8, !tbaa !5
  %75 = add nsw i64 %74, -1
  store i64 %75, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %74, 0
  br i1 %.not, label %._crit_edge31, label %21, !llvm.loop !19

.lr.ph26:                                         ; preds = %._crit_edge23, %.lr.ph26
  %.024 = phi i64 [ %80, %.lr.ph26 ], [ 0, %._crit_edge23 ]
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %.024) #5
  %77 = load i64, ptr %76, align 8, !tbaa !5
  %78 = add nsw i64 %77, 1
  %79 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %78)
  %80 = add nuw nsw i64 %.024, 1
  %81 = load i64, ptr %2, align 8, !tbaa !5
  %82 = icmp slt i64 %80, %81
  br i1 %82, label %.lr.ph26, label %._crit_edge27, !llvm.loop !20

83:                                               ; preds = %72, %44
  %.pn.pn = phi { ptr, i32 } [ %.pn, %72 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #5
  br label %84

84:                                               ; preds = %83, %36
  %.pn18 = phi { ptr, i32 } [ %37, %36 ], [ %.pn.pn, %83 ]
  call void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn18

._crit_edge31:                                    ; preds = %._crit_edge27, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i32, i64 } @_ZSt9make_pairIiRxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IixTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 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 nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIxxEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRxS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; 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 #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8multisetISt4pairIxxESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { nofree nounwind "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 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 #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTSSt4pairIxxE", !6, i64 0, !6, i64 8}
!15 = !{!14, !6, i64 0}
!16 = !{!17, !17, i64 0}
!17 = !{!"any pointer", !7, i64 0}
!18 = distinct !{!18, !12}
!19 = distinct !{!19, !12}
!20 = distinct !{!20, !12}


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