; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2017-18/Open 2018/Gold (sort)

; 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.__gnu_pbds::tree" = type { %"class.__gnu_pbds::basic_branch" }
%"class.__gnu_pbds::basic_branch" = type { %"class.__gnu_pbds::detail::rb_tree_set" }
%"class.__gnu_pbds::detail::rb_tree_set" = type { %"class.__gnu_pbds::detail::bin_search_tree_set" }
%"class.__gnu_pbds::detail::bin_search_tree_set" = type { %"class.__gnu_pbds::tree_order_statistics_node_update", [8 x i8], ptr, i64 }
%"class.__gnu_pbds::tree_order_statistics_node_update" = type { %"struct.__gnu_pbds::detail::branch_policy" }
%"struct.__gnu_pbds::detail::branch_policy" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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" }
%"struct.std::pair" = type { i32, i32 }
%"struct.std::pair.0" = type <{ %"class.__gnu_pbds::detail::bin_search_tree_const_it_", i8, [7 x i8] }>
%"class.__gnu_pbds::detail::bin_search_tree_const_it_" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@le = external dso_local global %"class.__gnu_pbds::tree", align 8
@ge = external dso_local global %"class.__gnu_pbds::tree", align 8
@all = external dso_local global %"class.std::vector", align 8
@.str = external hidden unnamed_addr constant [8 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external global ptr, align 8
@.str.6 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"struct.std::pair", align 4
  %5 = alloca %"struct.std::pair.0", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"struct.std::pair", align 4
  %12 = alloca %"struct.std::pair.0", align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %19 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  store i32 0, ptr %1, align 4
  %20 = load ptr, ptr @stdin, align 8, !tbaa !5
  %21 = call ptr @freopen(ptr noundef @.str, ptr noundef @.str.5, ptr noundef %20)
  %22 = load ptr, ptr @stdout, align 8, !tbaa !5
  %23 = call ptr @freopen(ptr noundef @.str.6, ptr noundef @.str.7, ptr noundef %22)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  store i32 0, ptr %2, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %37, %0
  %26 = load i32, ptr %2, align 4, !tbaa !9
  %27 = load i32, ptr @N, align 4, !tbaa !9
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %40

30:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #8
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @all, ptr noundef nonnull align 4 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #8
  %32 = call { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32) @ge, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %33 = getelementptr inbounds { ptr, i8 }, ptr %5, i32 0, i32 0
  %34 = extractvalue { ptr, i8 } %32, 0
  store ptr %34, ptr %33, align 8
  %35 = getelementptr inbounds { ptr, i8 }, ptr %5, i32 0, i32 1
  %36 = extractvalue { ptr, i8 } %32, 1
  store i8 %36, ptr %35, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  br label %37

37:                                               ; preds = %30
  %38 = load i32, ptr %2, align 4, !tbaa !9
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %2, align 4, !tbaa !9
  br label %25, !llvm.loop !11

40:                                               ; preds = %29
  %41 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #8
  %42 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %41, ptr %42, align 8
  %43 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #8
  %44 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %43, ptr %44, align 8
  %45 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  %46 = load ptr, ptr %45, align 8
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  %48 = load ptr, ptr %47, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %46, ptr %48)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #8
  store ptr @all, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #8
  %49 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #8
  %50 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %49, ptr %50, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #8
  %51 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #8
  %52 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %51, ptr %52, align 8
  br label %53

53:                                               ; preds = %107, %40
  %54 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #8
  br i1 %54, label %56, label %55

55:                                               ; preds = %53
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #8
  br label %109

56:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %57 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %57, i64 8, i1 false)
  %58 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %59 = call { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32) @le, ptr noundef nonnull align 4 dereferenceable(4) %58)
  %60 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 0
  %61 = extractvalue { ptr, i8 } %59, 0
  store ptr %61, ptr %60, align 8
  %62 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 1
  %63 = extractvalue { ptr, i8 } %59, 1
  store i8 %63, ptr %62, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  store i32 0, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #8
  %64 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @le)
  %65 = trunc i64 %64 to i32
  store i32 %65, ptr %15, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #8
  %66 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @ge)
  %67 = trunc i64 %66 to i32
  store i32 %67, ptr %16, align 4, !tbaa !9
  %68 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %16)
  %69 = load i32, ptr %68, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  store i32 %69, ptr %14, align 4, !tbaa !9
  br label %70

70:                                               ; preds = %101, %56
  %71 = load i32, ptr %13, align 4, !tbaa !9
  %72 = load i32, ptr %14, align 4, !tbaa !9
  %73 = icmp slt i32 %71, %72
  br i1 %73, label %74, label %102

74:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #8
  %75 = load i32, ptr %13, align 4, !tbaa !9
  %76 = load i32, ptr %14, align 4, !tbaa !9
  %77 = add nsw i32 %75, %76
  %78 = sdiv i32 %77, 2
  store i32 %78, ptr %17, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #8
  %79 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @le)
  %80 = trunc i64 %79 to i32
  %81 = sub nsw i32 %80, 1
  %82 = load i32, ptr %17, align 4, !tbaa !9
  %83 = sub nsw i32 %81, %82
  %84 = sext i32 %83 to i64
  %85 = call ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) @le, i64 noundef %84)
  %86 = getelementptr inbounds %"class.__gnu_pbds::detail::bin_search_tree_const_it_", ptr %18, i32 0, i32 0
  store ptr %85, ptr %86, align 8
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18)
  %88 = load i32, ptr %87, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #8
  %89 = load i32, ptr %17, align 4, !tbaa !9
  %90 = sext i32 %89 to i64
  %91 = call ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) @ge, i64 noundef %90)
  %92 = getelementptr inbounds %"class.__gnu_pbds::detail::bin_search_tree_const_it_", ptr %19, i32 0, i32 0
  store ptr %91, ptr %92, align 8
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %19)
  %94 = load i32, ptr %93, align 4, !tbaa !9
  %95 = icmp sle i32 %88, %94
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  br i1 %95, label %96, label %98

96:                                               ; preds = %74
  %97 = load i32, ptr %17, align 4, !tbaa !9
  store i32 %97, ptr %14, align 4, !tbaa !9
  br label %101

98:                                               ; preds = %74
  %99 = load i32, ptr %17, align 4, !tbaa !9
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %13, align 4, !tbaa !9
  br label %101

101:                                              ; preds = %98, %96
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #8
  br label %70, !llvm.loop !13

102:                                              ; preds = %70
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %13)
  %104 = load i32, ptr %103, align 4, !tbaa !9
  store i32 %104, ptr @ans, align 4, !tbaa !9
  %105 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %106 = call noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32) @ge, ptr noundef nonnull align 4 dereferenceable(4) %105)
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %107

107:                                              ; preds = %102
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #8
  br label %53

109:                                              ; preds = %55
  %110 = load i32, ptr @ans, align 4, !tbaa !9
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %110)
  %112 = load i32, ptr %1, align 4
  ret i32 %112
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) #1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #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) #7

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #6 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

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

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"any pointer", !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 = distinct !{!13, !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.__gnu_pbds::tree" = type { %"class.__gnu_pbds::basic_branch" }
%"class.__gnu_pbds::basic_branch" = type { %"class.__gnu_pbds::detail::rb_tree_set" }
%"class.__gnu_pbds::detail::rb_tree_set" = type { %"class.__gnu_pbds::detail::bin_search_tree_set" }
%"class.__gnu_pbds::detail::bin_search_tree_set" = type { %"class.__gnu_pbds::tree_order_statistics_node_update", [8 x i8], ptr, i64 }
%"class.__gnu_pbds::tree_order_statistics_node_update" = type { %"struct.__gnu_pbds::detail::branch_policy" }
%"struct.__gnu_pbds::detail::branch_policy" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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" }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_pbds::detail::bin_search_tree_const_it_" = type { ptr }

@N = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@le = external dso_local global %"class.__gnu_pbds::tree", align 8
@ge = external dso_local global %"class.__gnu_pbds::tree", align 8
@all = external dso_local global %"class.std::vector", align 8
@.str = external hidden unnamed_addr constant [8 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@stdin = external local_unnamed_addr global ptr, align 8
@.str.6 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::pair", align 4
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %11 = alloca %"class.__gnu_pbds::detail::bin_search_tree_const_it_", align 8
  %12 = load ptr, ptr @stdin, align 8, !tbaa !5
  %13 = tail call ptr @freopen(ptr noundef nonnull @.str, ptr noundef nonnull @.str.5, ptr noundef %12)
  %14 = load ptr, ptr @stdout, align 8, !tbaa !5
  %15 = tail call ptr @freopen(ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.7, ptr noundef %14)
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @N)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  store i32 0, ptr %1, align 4, !tbaa !9
  %17 = load i32, ptr @N, align 4, !tbaa !9
  %18 = icmp sgt i32 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  %19 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #7
  %20 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #7
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %19, ptr %20)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %21 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #7
  store ptr %21, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %22 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @all) #7
  store ptr %22, ptr %5, align 8
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  br i1 %23, label %.lr.ph17, label %._crit_edge18

.lr.ph17:                                         ; preds = %._crit_edge
  %24 = getelementptr inbounds i8, ptr %6, i64 4
  br label %33

.lr.ph:                                           ; preds = %0, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %3, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @all, ptr noundef nonnull align 4 dereferenceable(8) %3)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  %26 = call { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32) @ge, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %27 = load i32, ptr %1, align 4, !tbaa !9
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %1, align 4, !tbaa !9
  %29 = load i32, ptr @N, align 4, !tbaa !9
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge18:                                    ; preds = %._crit_edge15, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  %31 = load i32, ptr @ans, align 4, !tbaa !9
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %31)
  ret i32 0

33:                                               ; preds = %.lr.ph17, %._crit_edge15
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %34 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  %35 = load i64, ptr %34, align 4
  store i64 %35, ptr %6, align 8
  %36 = call { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32) @le, ptr noundef nonnull align 4 dereferenceable(4) %24)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %37 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @le)
  %38 = trunc i64 %37 to i32
  store i32 %38, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %39 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @ge)
  %40 = trunc i64 %39 to i32
  store i32 %40, ptr %9, align 4, !tbaa !9
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %42 = load i32, ptr %41, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = icmp slt i32 %43, %42
  br i1 %44, label %.lr.ph14, label %._crit_edge15

.lr.ph14:                                         ; preds = %33, %62
  %45 = phi i32 [ %63, %62 ], [ %43, %33 ]
  %.012 = phi i32 [ %.1, %62 ], [ %42, %33 ]
  %46 = add nsw i32 %45, %.012
  %47 = sdiv i32 %46, 2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %48 = call noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) @le)
  %49 = trunc i64 %48 to i32
  %50 = xor i32 %47, -1
  %51 = add i32 %49, %50
  %52 = sext i32 %51 to i64
  %53 = call ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) @le, i64 noundef %52)
  store ptr %53, ptr %10, align 8
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10)
  %55 = load i32, ptr %54, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %56 = sext i32 %47 to i64
  %57 = call ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8) @ge, i64 noundef %56)
  store ptr %57, ptr %11, align 8
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11)
  %59 = load i32, ptr %58, align 4, !tbaa !9
  %.not = icmp sgt i32 %55, %59
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br i1 %.not, label %60, label %.lr.ph14._crit_edge

.lr.ph14._crit_edge:                              ; preds = %.lr.ph14
  %.pre = load i32, ptr %7, align 4, !tbaa !9
  br label %62

60:                                               ; preds = %.lr.ph14
  %61 = add nsw i32 %47, 1
  store i32 %61, ptr %7, align 4, !tbaa !9
  br label %62

62:                                               ; preds = %.lr.ph14._crit_edge, %60
  %63 = phi i32 [ %61, %60 ], [ %.pre, %.lr.ph14._crit_edge ]
  %.1 = phi i32 [ %.012, %60 ], [ %47, %.lr.ph14._crit_edge ]
  %64 = icmp slt i32 %63, %.1
  br i1 %64, label %.lr.ph14, label %._crit_edge15, !llvm.loop !13

._crit_edge15:                                    ; preds = %62, %33
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %66 = load i32, ptr %65, align 4, !tbaa !9
  store i32 %66, ptr @ans, align 4, !tbaa !9
  %67 = call noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32) @ge, ptr noundef nonnull align 4 dereferenceable(4) %24)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  %69 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #7
  br i1 %69, label %33, label %._crit_edge18
}

declare ptr @freopen(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #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 #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { ptr, i8 } @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E6insertERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK10__gnu_pbds6detail19bin_search_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #6 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN10__gnu_pbds33tree_order_statistics_node_updateINS_6detail30bin_search_tree_const_node_it_INS1_13rb_tree_node_IimSaIcEEENS1_25bin_search_tree_const_it_IPS5_iPiPKiRiRS9_Lb1ES4_EESD_S4_EESE_St4lessIiES4_E13find_by_orderEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK10__gnu_pbds6detail25bin_search_tree_const_it_IPNS0_13rb_tree_node_IimSaIcEEEiPiPKiRiRS7_Lb1ES3_EdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN10__gnu_pbds6detail11rb_tree_setIiNS_9null_typeESt4lessIiENS0_11tree_traitsIiS2_S4_NS_33tree_order_statistics_node_updateENS_11rb_tree_tagESaIcEEES8_E5eraseERKi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

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

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !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 = distinct !{!13, !12}


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