; LLVM IR from kazunetakahashi/atcoder :: 2019/0804_ABC136/past (E2)

; 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_ostream" = type { ptr, %"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::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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<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::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.std::reverse_iterator" = type { %"struct.std::_Rb_tree_const_iterator" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@N = external dso_local global i64, align 8
@K = external dso_local global i64, align 8
@A = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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 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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5solvex(i64 noundef) #0

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

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZSt10accumulateIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET0_T_S8_S7_(ptr, ptr, i64 noundef) #4

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #5 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.std::set", align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca i64, align 8
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"class.std::reverse_iterator", align 8
  %15 = alloca %"class.std::reverse_iterator", align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::reverse_iterator", align 8
  store i32 0, ptr %1, align 4
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @N)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(8) @K)
  %20 = load i64, ptr @N, align 8, !tbaa !5
  call void @_ZNSt6vectorIxSaIxEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %20)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %32, %0
  %22 = load i32, ptr %2, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = load i64, ptr @N, align 8, !tbaa !5
  %25 = icmp slt i64 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %35

27:                                               ; preds = %21
  %28 = load i32, ptr %2, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %29) #6
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %30)
  br label %32

32:                                               ; preds = %27
  %33 = load i32, ptr %2, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %2, align 4, !tbaa !9
  br label %21, !llvm.loop !11

35:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %36 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #6
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  %38 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #6
  %39 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %38, ptr %39, align 8
  %40 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8
  %42 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8
  %44 = call noundef i64 @_ZSt10accumulateIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET0_T_S8_S7_(ptr %41, ptr %43, i64 noundef 0)
  store i64 %44, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %6) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 1, ptr %7, align 4, !tbaa !9
  br label %45

45:                                               ; preds = %87, %35
  %46 = load i32, ptr %7, align 4, !tbaa !9
  %47 = load i32, ptr %7, align 4, !tbaa !9
  %48 = mul nsw i32 %46, %47
  %49 = sext i32 %48 to i64
  %50 = load i64, ptr %3, align 8, !tbaa !5
  %51 = icmp sle i64 %49, %50
  br i1 %51, label %53, label %52

52:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %91

53:                                               ; preds = %45
  %54 = load i64, ptr %3, align 8, !tbaa !5
  %55 = load i32, ptr %7, align 4, !tbaa !9
  %56 = sext i32 %55 to i64
  %57 = srem i64 %54, %56
  %58 = icmp eq i64 %57, 0
  br i1 %58, label %59, label %86

59:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %60 = load i32, ptr %7, align 4, !tbaa !9
  %61 = sext i32 %60 to i64
  store i64 %61, ptr %8, align 8, !tbaa !5
  %62 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %63 unwind label %78

63:                                               ; preds = %59
  %64 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 0
  %65 = extractvalue { ptr, i8 } %62, 0
  store ptr %65, ptr %64, align 8
  %66 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 1
  %67 = extractvalue { ptr, i8 } %62, 1
  store i8 %67, ptr %66, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %68 = load i64, ptr %3, align 8, !tbaa !5
  %69 = load i32, ptr %7, align 4, !tbaa !9
  %70 = sext i32 %69 to i64
  %71 = sdiv i64 %68, %70
  store i64 %71, ptr %12, align 8, !tbaa !5
  %72 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %73 unwind label %82

73:                                               ; preds = %63
  %74 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 0
  %75 = extractvalue { ptr, i8 } %72, 0
  store ptr %75, ptr %74, align 8
  %76 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 1
  %77 = extractvalue { ptr, i8 } %72, 1
  store i8 %77, ptr %76, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %86

78:                                               ; preds = %59
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %9, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %90

82:                                               ; preds = %63
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %9, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %90

86:                                               ; preds = %73, %53
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %7, align 4, !tbaa !9
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %7, align 4, !tbaa !9
  br label %45, !llvm.loop !13

90:                                               ; preds = %82, %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %133

91:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  call void @_ZNKSt3setIxSt4lessIxESaIxEE6rbeginEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %14, ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  br label %92

92:                                               ; preds = %120, %91
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  call void @_ZNKSt3setIxSt4lessIxESaIxEE4rendEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %15, ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %93 = invoke noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIxEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %94 unwind label %96

94:                                               ; preds = %92
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br i1 %93, label %100, label %95

95:                                               ; preds = %94
  store i32 8, ptr %16, align 4
  br label %125

96:                                               ; preds = %92
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %9, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %127

100:                                              ; preds = %94
  %101 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %102 unwind label %114

102:                                              ; preds = %100
  %103 = load i64, ptr %101, align 8, !tbaa !5
  %104 = invoke noundef zeroext i1 @_Z5solvex(i64 noundef %103)
          to label %105 unwind label %114

105:                                              ; preds = %102
  br i1 %104, label %106, label %118

106:                                              ; preds = %105
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %108 unwind label %114

108:                                              ; preds = %106
  %109 = load i64, ptr %107, align 8, !tbaa !5
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %109)
          to label %111 unwind label %114

111:                                              ; preds = %108
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %110, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %113 unwind label %114

113:                                              ; preds = %111
  store i32 0, ptr %1, align 4
  store i32 1, ptr %16, align 4
  br label %125

114:                                              ; preds = %111, %108, %106, %102, %100
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %9, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %10, align 4
  br label %127

118:                                              ; preds = %105
  br label %119

119:                                              ; preds = %118
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  invoke void @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEppEi(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %17, ptr noundef nonnull align 8 dereferenceable(8) %14, i32 noundef 0)
          to label %120 unwind label %121

120:                                              ; preds = %119
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %92, !llvm.loop !14

121:                                              ; preds = %119
  %122 = landingpad { ptr, i32 }
          cleanup
  %123 = extractvalue { ptr, i32 } %122, 0
  store ptr %123, ptr %9, align 8
  %124 = extractvalue { ptr, i32 } %122, 1
  store i32 %124, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %127

125:                                              ; preds = %113, %95
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  %126 = load i32, ptr %16, align 4
  switch i32 %126, label %129 [
    i32 8, label %128
  ]

127:                                              ; preds = %121, %114, %96
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %133

128:                                              ; preds = %125
  store i32 0, ptr %16, align 4
  br label %129

129:                                              ; preds = %128, %125
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(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 %3) #6
  %130 = load i32, ptr %16, align 4
  switch i32 %130, label %139 [
    i32 0, label %131
    i32 1, label %131
  ]

131:                                              ; preds = %129, %129
  %132 = load i32, ptr %1, align 4
  ret i32 %132

133:                                              ; preds = %127, %90
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(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 %3) #6
  br label %134

134:                                              ; preds = %133
  %135 = load ptr, ptr %9, align 8
  %136 = load i32, ptr %10, align 4
  %137 = insertvalue { ptr, i32 } poison, ptr %135, 0
  %138 = insertvalue { ptr, i32 } %137, i32 %136, 1
  resume { ptr, i32 } %138

139:                                              ; preds = %129
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(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 void @_ZNKSt3setIxSt4lessIxESaIxEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIxEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNKSt3setIxSt4lessIxESaIxEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEppEi(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 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 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #5 = { 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 #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 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"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::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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<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 }
%"class.std::reverse_iterator" = type { %"struct.std::_Rb_tree_const_iterator" }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@N = external dso_local global i64, align 8
@K = external dso_local global i64, align 8
@A = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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 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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z5solvex(i64 noundef) local_unnamed_addr #0

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

; 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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZSt10accumulateIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET0_T_S8_S7_(ptr, ptr, i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #5 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::set", align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::reverse_iterator", align 8
  %5 = alloca %"class.std::reverse_iterator", align 8
  %6 = alloca %"class.std::reverse_iterator", align 8
  %7 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @N)
  %8 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(8) @K)
  %9 = load i64, ptr @N, align 8, !tbaa !5
  tail call void @_ZNSt6vectorIxSaIxEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %9)
  %10 = load i64, ptr @N, align 8, !tbaa !5
  %11 = icmp sgt i64 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %12 = tail call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #6
  %13 = tail call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #6
  %14 = tail call noundef i64 @_ZSt10accumulateIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEExET0_T_S8_S7_(ptr %12, ptr %13, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %1) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %.not34 = icmp slt i64 %14, 1
  br i1 %.not34, label %._crit_edge38, label %.lr.ph37

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %15 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %indvars.iv) #6
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %15)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %17 = load i64, ptr @N, align 8, !tbaa !5
  %18 = icmp sgt i64 %17, %indvars.iv.next
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge38:                                    ; preds = %31, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @_ZNKSt3setIxSt4lessIxESaIxEE6rbeginEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %4, ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  br label %33

.lr.ph37:                                         ; preds = %._crit_edge, %31
  %indvars.iv40 = phi i64 [ %indvars.iv.next41, %31 ], [ 1, %._crit_edge ]
  %19 = urem i64 %14, %indvars.iv40
  %20 = udiv i64 %14, %indvars.iv40
  %21 = icmp eq i64 %19, 0
  br i1 %21, label %22, label %31

22:                                               ; preds = %.lr.ph37
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  store i64 %indvars.iv40, ptr %2, align 8, !tbaa !5
  %23 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %24 unwind label %27

24:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  store i64 %20, ptr %3, align 8, !tbaa !5
  %25 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %26 unwind label %29

26:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  br label %31

27:                                               ; preds = %22
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  br label %51

29:                                               ; preds = %24
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  br label %51

31:                                               ; preds = %.lr.ph37, %26
  %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
  %32 = mul nuw nsw i64 %indvars.iv.next41, %indvars.iv.next41
  %.not = icmp slt i64 %14, %32
  br i1 %.not, label %._crit_edge38, label %.lr.ph37, !llvm.loop !11

33:                                               ; preds = %49, %._crit_edge38
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  call void @_ZNKSt3setIxSt4lessIxESaIxEE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %5, ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  %34 = invoke noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIxEEbRKSt16reverse_iteratorIT_ES6_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %35 unwind label %36

35:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br i1 %34, label %38, label %.loopexit

36:                                               ; preds = %33
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  br label %50

38:                                               ; preds = %35
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4)
  %40 = load i64, ptr %39, align 8, !tbaa !5
  %41 = invoke noundef zeroext i1 @_Z5solvex(i64 noundef %40)
          to label %42 unwind label %.loopexit32

42:                                               ; preds = %38
  br i1 %41, label %43, label %49

43:                                               ; preds = %42
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4)
  %45 = load i64, ptr %44, align 8, !tbaa !5
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %45)
          to label %47 unwind label %.loopexit.split-lp

47:                                               ; preds = %43
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %46, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.loopexit unwind label %.loopexit.split-lp

.loopexit32:                                      ; preds = %38
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %50

.loopexit.split-lp:                               ; preds = %43, %47
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %50

49:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  call void @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEppEi(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 0)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %33, !llvm.loop !12

.loopexit:                                        ; preds = %35, %47
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #6
  ret i32 0

50:                                               ; preds = %.loopexit32, %.loopexit.split-lp, %36
  %.pn = phi { ptr, i32 } [ %37, %36 ], [ %lpad.loopexit, %.loopexit32 ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %51

51:                                               ; preds = %27, %29, %50
  %.pn29.pn = phi { ptr, i32 } [ %.pn, %50 ], [ %30, %29 ], [ %28, %27 ]
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %1) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn29.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertEOx(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 void @_ZNKSt3setIxSt4lessIxESaIxEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZStneISt23_Rb_tree_const_iteratorIxEEbRKSt16reverse_iteratorIT_ES6_(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 void @_ZNKSt3setIxSt4lessIxESaIxEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt16reverse_iteratorISt23_Rb_tree_const_iteratorIxEEppEi(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 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 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #5 = { 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 #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


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