; LLVM IR from abeaumont/competitive-programming :: cses (1628)

; 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<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" = type { i8 }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<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::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@x = external dso_local global i64, align 8
@s = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z1fRSt3mapIxxSt4lessIxESaISt4pairIKxxEEERSt6vectorIxSaIxEEix(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i64 noundef) #0

; 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) #1 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::map", align 8
  %14 = alloca %"class.std::map", align 8
  %15 = alloca ptr, align 8
  %16 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %17 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %18 = alloca %"struct.std::pair", align 8
  %19 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  %20 = 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)
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(8) @x)
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = sdiv i32 %22, 2
  store i32 %23, ptr %3, align 4, !tbaa !5
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = sub nsw i32 %24, %25
  store i32 %26, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #7
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %28, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %29 unwind label %38

29:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #7
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %31, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %32 unwind label %42

32:                                               ; preds = %29
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %52, %32
  %34 = load i32, ptr %11, align 4, !tbaa !5
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %46, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %59

38:                                               ; preds = %0
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %7, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #7
  br label %124

42:                                               ; preds = %29
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %7, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  br label %123

46:                                               ; preds = %33
  %47 = load i32, ptr %11, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %48) #7
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %49)
          to label %51 unwind label %55

51:                                               ; preds = %46
  br label %52

52:                                               ; preds = %51
  %53 = load i32, ptr %11, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %11, align 4, !tbaa !5
  br label %33, !llvm.loop !9

55:                                               ; preds = %46
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %7, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %122

59:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %71, %59
  %61 = load i32, ptr %12, align 4, !tbaa !5
  %62 = load i32, ptr %4, align 4, !tbaa !5
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %65, label %64

64:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %78

65:                                               ; preds = %60
  %66 = load i32, ptr %12, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %67) #7
  %69 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %68)
          to label %70 unwind label %74

70:                                               ; preds = %65
  br label %71

71:                                               ; preds = %70
  %72 = load i32, ptr %12, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %12, align 4, !tbaa !5
  br label %60, !llvm.loop !11

74:                                               ; preds = %65
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %7, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %122

78:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 48, ptr %13) #7
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %13) #7
  call void @llvm.lifetime.start.p0(i64 48, ptr %14) #7
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #7
  invoke void @_Z1fRSt3mapIxxSt4lessIxESaISt4pairIKxxEEERSt6vectorIxSaIxEEix(ptr noundef nonnull align 8 dereferenceable(48) %13, ptr noundef nonnull align 8 dereferenceable(24) %5, i32 noundef 0, i64 noundef 0)
          to label %79 unwind label %90

79:                                               ; preds = %78
  invoke void @_Z1fRSt3mapIxxSt4lessIxESaISt4pairIKxxEEERSt6vectorIxSaIxEEix(ptr noundef nonnull align 8 dereferenceable(48) %14, ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef 0, i64 noundef 0)
          to label %80 unwind label %90

80:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  store ptr %13, ptr %15, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %81 = load ptr, ptr %15, align 8, !tbaa !12
  %82 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %81) #7
  %83 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %16, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %84 = load ptr, ptr %15, align 8, !tbaa !12
  %85 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %84) #7
  %86 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %17, i32 0, i32 0
  store ptr %85, ptr %86, align 8
  br label %87

87:                                               ; preds = %108, %80
  %88 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #7
  br i1 %88, label %94, label %89

89:                                               ; preds = %87
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %114

90:                                               ; preds = %117, %114, %79, %78
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %7, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %8, align 4
  br label %121

94:                                               ; preds = %87
  call void @llvm.lifetime.start.p0(i64 16, ptr %18) #7
  %95 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %18, ptr align 8 %95, i64 16, i1 false)
  %96 = getelementptr inbounds %"struct.std::pair", ptr %18, i32 0, i32 1
  %97 = load i64, ptr %96, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #7
  %98 = load i64, ptr @x, align 8, !tbaa !17
  %99 = getelementptr inbounds %"struct.std::pair", ptr %18, i32 0, i32 0
  %100 = load i64, ptr %99, align 8, !tbaa !18
  %101 = sub nsw i64 %98, %100
  store i64 %101, ptr %19, align 8, !tbaa !17
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48) %14, ptr noundef nonnull align 8 dereferenceable(8) %19)
          to label %103 unwind label %110

103:                                              ; preds = %94
  %104 = load i64, ptr %102, align 8, !tbaa !17
  %105 = mul nsw i64 %97, %104
  %106 = load i64, ptr @s, align 8, !tbaa !17
  %107 = add nsw i64 %106, %105
  store i64 %107, ptr @s, align 8, !tbaa !17
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %18) #7
  br label %108

108:                                              ; preds = %103
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br label %87

110:                                              ; preds = %94
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %7, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %121

114:                                              ; preds = %89
  %115 = load i64, ptr @s, align 8, !tbaa !17
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %115)
          to label %117 unwind label %90

117:                                              ; preds = %114
  %118 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %116, ptr noundef @.str)
          to label %119 unwind label %90

119:                                              ; preds = %117
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %14) #7
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %13) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %13) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %120 = load i32, ptr %1, align 4
  ret i32 %120

121:                                              ; preds = %110, %90
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %14) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %14) #7
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %13) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr %13) #7
  br label %122

122:                                              ; preds = %121, %74, %55
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  br label %123

123:                                              ; preds = %122, %42
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %124

124:                                              ; preds = %123, %38
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %125

125:                                              ; preds = %124
  %126 = load ptr, ptr %7, align 8
  %127 = load i32, ptr %8, align 4
  %128 = insertvalue { ptr, i32 } poison, ptr %126, 0
  %129 = insertvalue { ptr, i32 } %128, i32 %127, 1
  resume { ptr, i32 } %129
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!15, !16, i64 8}
!15 = !{!"_ZTSSt4pairIKxxE", !16, i64 0, !16, i64 8}
!16 = !{!"long long", !7, i64 0}
!17 = !{!16, !16, i64 0}
!18 = !{!15, !16, i64 0}


; 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<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" = type { i8 }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, std::pair<const long long, long long>, std::_Select1st<std::pair<const long long, long long>>, std::less<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::_Rb_tree_iterator" = type { ptr }

@x = external dso_local global i64, align 8
@s = external dso_local local_unnamed_addr global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z1fRSt3mapIxxSt4lessIxESaISt4pairIKxxEEERSt6vectorIxSaIxEEix(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i64 noundef) local_unnamed_addr #0

; 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 #1 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::map", align 8
  %7 = alloca %"class.std::map", align 8
  %8 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %9 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %10 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) @x)
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = sdiv i32 %13, 2
  %15 = sub i32 %13, %14
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %16 = sext i32 %14 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %16, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %17 unwind label %22

17:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %18 = sext i32 %15 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %18, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %19 unwind label %24

19:                                               ; preds = %17
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  %20 = icmp sgt i32 %13, 1
  br i1 %20, label %.lr.ph.preheader, label %.preheader

.lr.ph.preheader:                                 ; preds = %19
  %wide.trip.count = zext nneg i32 %14 to i64
  br label %.lr.ph

.preheader:                                       ; preds = %28, %19
  %21 = icmp sgt i32 %15, 0
  br i1 %21, label %.lr.ph28.preheader, label %._crit_edge

.lr.ph28.preheader:                               ; preds = %.preheader
  %wide.trip.count36 = zext nneg i32 %15 to i64
  br label %.lr.ph28

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %64

24:                                               ; preds = %17
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  br label %63

.lr.ph:                                           ; preds = %.lr.ph.preheader, %28
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %28 ]
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #6
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %26)
          to label %28 unwind label %29

28:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader, label %.lr.ph, !llvm.loop !9

29:                                               ; preds = %.lr.ph
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %62

._crit_edge:                                      ; preds = %33, %.preheader
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %7) #6
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  invoke void @_Z1fRSt3mapIxxSt4lessIxESaISt4pairIKxxEEERSt6vectorIxSaIxEEix(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef 0, i64 noundef 0)
          to label %36 unwind label %43

.lr.ph28:                                         ; preds = %.lr.ph28.preheader, %33
  %indvars.iv33 = phi i64 [ 0, %.lr.ph28.preheader ], [ %indvars.iv.next34, %33 ]
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv33) #6
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %31)
          to label %33 unwind label %34

33:                                               ; preds = %.lr.ph28
  %indvars.iv.next34 = add nuw nsw i64 %indvars.iv33, 1
  %exitcond37.not = icmp eq i64 %indvars.iv.next34, %wide.trip.count36
  br i1 %exitcond37.not, label %._crit_edge, label %.lr.ph28, !llvm.loop !11

34:                                               ; preds = %.lr.ph28
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %62

36:                                               ; preds = %._crit_edge
  invoke void @_Z1fRSt3mapIxxSt4lessIxESaISt4pairIKxxEEERSt6vectorIxSaIxEEix(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr noundef nonnull align 8 dereferenceable(24) %4, i32 noundef 0, i64 noundef 0)
          to label %37 unwind label %43

37:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %38 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  store ptr %38, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %39 = call ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  store ptr %39, ptr %9, align 8
  %40 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br i1 %40, label %.lr.ph30, label %._crit_edge31

._crit_edge31:                                    ; preds = %49, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  %41 = load i64, ptr @s, align 8, !tbaa !12
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %41)
          to label %58 unwind label %43

43:                                               ; preds = %58, %._crit_edge31, %36, %._crit_edge
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %61

.lr.ph30:                                         ; preds = %37, %49
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  %.sroa.0.0.copyload = load i64, ptr %45, align 8
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %45, i64 8
  %.sroa.5.0.copyload = load i64, ptr %.sroa.5.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %46 = load i64, ptr @x, align 8, !tbaa !12
  %47 = sub nsw i64 %46, %.sroa.0.0.copyload
  store i64 %47, ptr %10, align 8, !tbaa !12
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %49 unwind label %56

49:                                               ; preds = %.lr.ph30
  %50 = load i64, ptr %48, align 8, !tbaa !12
  %51 = mul nsw i64 %50, %.sroa.5.0.copyload
  %52 = load i64, ptr @s, align 8, !tbaa !12
  %53 = add nsw i64 %52, %51
  store i64 %53, ptr @s, align 8, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  %55 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  br i1 %55, label %.lr.ph30, label %._crit_edge31

56:                                               ; preds = %.lr.ph30
  %57 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br label %61

58:                                               ; preds = %._crit_edge31
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @.str)
          to label %60 unwind label %43

60:                                               ; preds = %58
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %7) #6
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

61:                                               ; preds = %56, %43
  %.pn = phi { ptr, i32 } [ %57, %56 ], [ %44, %43 ]
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %7) #6
  call void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #6
  br label %62

62:                                               ; preds = %61, %34, %29
  %.pn22 = phi { ptr, i32 } [ %30, %29 ], [ %35, %34 ], [ %.pn, %61 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %63

63:                                               ; preds = %62, %24
  %.pn22.pn = phi { ptr, i32 } [ %.pn22, %62 ], [ %25, %24 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %64

64:                                               ; preds = %63, %22
  %.pn22.pn.pn = phi { ptr, i32 } [ %.pn22.pn, %63 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn22.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKxxEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKxxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEEixEOx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKxxEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIxxSt4lessIxESaISt4pairIKxxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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


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