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Add [[clang::lifetimebound]] to numerous functions in libc++ include headers
1 parent 14db069 commit 89e7175

34 files changed

+601
-601
lines changed

‎libcxx/include/__bit_reference‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -609,10 +609,10 @@ struct __bit_array {
609609
std::__construct_at(__word_ + __i, 0);
610610
}
611611
}
612-
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator begin() {
612+
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator begin() _LIBCPP_LIFETIMEBOUND {
613613
return iterator(pointer_traits<__storage_pointer>::pointer_to(__word_[0]), 0);
614614
}
615-
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator end() {
615+
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator end() _LIBCPP_LIFETIMEBOUND {
616616
return iterator(pointer_traits<__storage_pointer>::pointer_to(__word_[0]) + __size_ / __bits_per_word,
617617
static_cast<unsigned>(__size_ % __bits_per_word));
618618
}

‎libcxx/include/__chrono/tzdb_list.h‎

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -53,15 +53,15 @@ class _LIBCPP_AVAILABILITY_TZDB tzdb_list {
5353

5454
using const_iterator = forward_list<tzdb>::const_iterator;
5555

56-
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const tzdb& front() const noexcept { return __front(); }
56+
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const tzdb& front() const noexcept _LIBCPP_LIFETIMEBOUND { return __front(); }
5757

58-
_LIBCPP_HIDE_FROM_ABI const_iterator erase_after(const_iterator __p) { return __erase_after(__p); }
58+
_LIBCPP_HIDE_FROM_ABI const_iterator erase_after(const_iterator __p) _LIBCPP_LIFETIMEBOUND { return __erase_after(__p); }
5959

60-
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator begin() const noexcept { return __begin(); }
61-
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator end() const noexcept { return __end(); }
60+
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator begin() const noexcept _LIBCPP_LIFETIMEBOUND { return __begin(); }
61+
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator end() const noexcept _LIBCPP_LIFETIMEBOUND { return __end(); }
6262

63-
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const noexcept { return __cbegin(); }
64-
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator cend() const noexcept { return __cend(); }
63+
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const noexcept _LIBCPP_LIFETIMEBOUND { return __cbegin(); }
64+
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator cend() const noexcept _LIBCPP_LIFETIMEBOUND { return __cend(); }
6565

6666
[[nodiscard]] _LIBCPP_HIDE_FROM_ABI __impl& __implementation() { return *__impl_; }
6767

‎libcxx/include/__expected/expected.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -714,15 +714,15 @@ class expected : private __expected_base<_Tp, _Err> {
714714

715715
template <class... _Args>
716716
requires is_nothrow_constructible_v<_Tp, _Args...>
717-
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& emplace(_Args&&... __args) noexcept {
717+
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& emplace(_Args&&... __args) noexcept _LIBCPP_LIFETIMEBOUND {
718718
this->__destroy();
719719
this->__construct(in_place, std::forward<_Args>(__args)...);
720720
return this->__val();
721721
}
722722

723723
template <class _Up, class... _Args>
724724
requires is_nothrow_constructible_v<_Tp, initializer_list<_Up>&, _Args...>
725-
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& emplace(initializer_list<_Up> __il, _Args&&... __args) noexcept {
725+
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& emplace(initializer_list<_Up> __il, _Args&&... __args) noexcept _LIBCPP_LIFETIMEBOUND {
726726
this->__destroy();
727727
this->__construct(in_place, __il, std::forward<_Args>(__args)...);
728728
return this->__val();

‎libcxx/include/__format/format_parse_context.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -41,8 +41,8 @@ class _LIBCPP_TEMPLATE_VIS basic_format_parse_context {
4141
basic_format_parse_context(const basic_format_parse_context&) = delete;
4242
basic_format_parse_context& operator=(const basic_format_parse_context&) = delete;
4343

44-
_LIBCPP_HIDE_FROM_ABI constexpr const_iterator begin() const noexcept { return __begin_; }
45-
_LIBCPP_HIDE_FROM_ABI constexpr const_iterator end() const noexcept { return __end_; }
44+
_LIBCPP_HIDE_FROM_ABI constexpr const_iterator begin() const noexcept _LIBCPP_LIFETIMEBOUND { return __begin_; }
45+
_LIBCPP_HIDE_FROM_ABI constexpr const_iterator end() const noexcept _LIBCPP_LIFETIMEBOUND { return __end_; }
4646
_LIBCPP_HIDE_FROM_ABI constexpr void advance_to(const_iterator __it) { __begin_ = __it; }
4747

4848
_LIBCPP_HIDE_FROM_ABI constexpr size_t next_arg_id() {

‎libcxx/include/__format/formatter_floating_point.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -183,8 +183,8 @@ class _LIBCPP_TEMPLATE_VIS __float_buffer {
183183
_LIBCPP_HIDE_FROM_ABI __float_buffer(const __float_buffer&) = delete;
184184
_LIBCPP_HIDE_FROM_ABI __float_buffer& operator=(const __float_buffer&) = delete;
185185

186-
_LIBCPP_HIDE_FROM_ABI char* begin() const { return __begin_; }
187-
_LIBCPP_HIDE_FROM_ABI char* end() const { return __begin_ + __size_; }
186+
_LIBCPP_HIDE_FROM_ABI char* begin() const _LIBCPP_LIFETIMEBOUND { return __begin_; }
187+
_LIBCPP_HIDE_FROM_ABI char* end() const _LIBCPP_LIFETIMEBOUND { return __begin_ + __size_; }
188188

189189
_LIBCPP_HIDE_FROM_ABI int __precision() const { return __precision_; }
190190
_LIBCPP_HIDE_FROM_ABI int __num_trailing_zeros() const { return __num_trailing_zeros_; }

‎libcxx/include/__hash_table‎

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -891,10 +891,10 @@ public:
891891

892892
_LIBCPP_HIDE_FROM_ABI size_type bucket_count() const _NOEXCEPT { return __bucket_list_.get_deleter().size(); }
893893

894-
_LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT;
895-
_LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT;
896-
_LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT;
897-
_LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT;
894+
_LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT _LIBCPP_LIFETIMEBOUND;
895+
_LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT _LIBCPP_LIFETIMEBOUND;
896+
_LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT _LIBCPP_LIFETIMEBOUND;
897+
_LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT _LIBCPP_LIFETIMEBOUND;
898898

899899
template <class _Key>
900900
_LIBCPP_HIDE_FROM_ABI size_type bucket(const _Key& __k) const {
@@ -904,15 +904,15 @@ public:
904904
}
905905

906906
template <class _Key>
907-
_LIBCPP_HIDE_FROM_ABI iterator find(const _Key& __x);
907+
_LIBCPP_HIDE_FROM_ABI iterator find(const _Key& __x) _LIBCPP_LIFETIMEBOUND;
908908
template <class _Key>
909-
_LIBCPP_HIDE_FROM_ABI const_iterator find(const _Key& __x) const;
909+
_LIBCPP_HIDE_FROM_ABI const_iterator find(const _Key& __x) const _LIBCPP_LIFETIMEBOUND;
910910

911911
typedef __hash_node_destructor<__node_allocator> _Dp;
912912
typedef unique_ptr<__node, _Dp> __node_holder;
913913

914-
_LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p);
915-
_LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __first, const_iterator __last);
914+
_LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p) _LIBCPP_LIFETIMEBOUND;
915+
_LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __first, const_iterator __last) _LIBCPP_LIFETIMEBOUND;
916916
template <class _Key>
917917
_LIBCPP_HIDE_FROM_ABI size_type __erase_unique(const _Key& __k);
918918
template <class _Key>

‎libcxx/include/__mdspan/extents.h‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -78,14 +78,14 @@ struct __static_array {
7878
template <class _Tp, size_t _Size>
7979
struct __possibly_empty_array {
8080
_Tp __vals_[_Size];
81-
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& operator[](size_t __index) { return __vals_[__index]; }
82-
_LIBCPP_HIDE_FROM_ABI constexpr const _Tp& operator[](size_t __index) const { return __vals_[__index]; }
81+
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& operator[](size_t __index) _LIBCPP_LIFETIMEBOUND { return __vals_[__index]; }
82+
_LIBCPP_HIDE_FROM_ABI constexpr const _Tp& operator[](size_t __index) const _LIBCPP_LIFETIMEBOUND { return __vals_[__index]; }
8383
};
8484

8585
template <class _Tp>
8686
struct __possibly_empty_array<_Tp, 0> {
87-
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& operator[](size_t) { __libcpp_unreachable(); }
88-
_LIBCPP_HIDE_FROM_ABI constexpr const _Tp& operator[](size_t) const { __libcpp_unreachable(); }
87+
_LIBCPP_HIDE_FROM_ABI constexpr _Tp& operator[](size_t) _LIBCPP_LIFETIMEBOUND { __libcpp_unreachable(); }
88+
_LIBCPP_HIDE_FROM_ABI constexpr const _Tp& operator[](size_t) const _LIBCPP_LIFETIMEBOUND { __libcpp_unreachable(); }
8989
};
9090

9191
// ------------------------------------------------------------------

‎libcxx/include/__memory/unique_ptr.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -275,7 +275,7 @@ class _LIBCPP_UNIQUE_PTR_TRIVIAL_ABI _LIBCPP_TEMPLATE_VIS unique_ptr {
275275
return *__ptr_;
276276
}
277277
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 pointer operator->() const _NOEXCEPT { return __ptr_; }
278-
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 pointer get() const _NOEXCEPT { return __ptr_; }
278+
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 pointer get() const _NOEXCEPT _LIBCPP_LIFETIMEBOUND { return __ptr_; }
279279
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 deleter_type& get_deleter() _NOEXCEPT { return __deleter_; }
280280
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 const deleter_type& get_deleter() const _NOEXCEPT {
281281
return __deleter_;
@@ -585,7 +585,7 @@ class _LIBCPP_UNIQUE_PTR_TRIVIAL_ABI _LIBCPP_TEMPLATE_VIS unique_ptr<_Tp[], _Dp>
585585
"unique_ptr<T[]>::operator[](index): index out of range");
586586
return __ptr_[__i];
587587
}
588-
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 pointer get() const _NOEXCEPT { return __ptr_; }
588+
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 pointer get() const _NOEXCEPT _LIBCPP_LIFETIMEBOUND { return __ptr_; }
589589

590590
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 deleter_type& get_deleter() _NOEXCEPT { return __deleter_; }
591591

‎libcxx/include/__node_handle‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -170,7 +170,7 @@ template <class _NodeType, class _Derived>
170170
struct __set_node_handle_specifics {
171171
typedef typename _NodeType::__node_value_type value_type;
172172

173-
_LIBCPP_HIDE_FROM_ABI value_type& value() const { return static_cast<_Derived const*>(this)->__ptr_->__get_value(); }
173+
_LIBCPP_HIDE_FROM_ABI value_type& value() const _LIBCPP_LIFETIMEBOUND { return static_cast<_Derived const*>(this)->__ptr_->__get_value(); }
174174
};
175175

176176
template <class _NodeType, class _Derived>

‎libcxx/include/__split_buffer‎

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -114,11 +114,11 @@ public:
114114
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI pointer& __end_cap() _NOEXCEPT { return __end_cap_; }
115115
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const pointer& __end_cap() const _NOEXCEPT { return __end_cap_; }
116116

117-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT { return __begin_; }
118-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT { return __begin_; }
117+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT _LIBCPP_LIFETIMEBOUND { return __begin_; }
118+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT _LIBCPP_LIFETIMEBOUND { return __begin_; }
119119

120-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT { return __end_; }
121-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT { return __end_; }
120+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT _LIBCPP_LIFETIMEBOUND { return __end_; }
121+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT _LIBCPP_LIFETIMEBOUND { return __end_; }
122122

123123
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT { __destruct_at_end(__begin_); }
124124

@@ -140,10 +140,10 @@ public:
140140
return static_cast<size_type>(__end_cap() - __end_);
141141
}
142142

143-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference front() { return *__begin_; }
144-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference front() const { return *__begin_; }
145-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference back() { return *(__end_ - 1); }
146-
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference back() const { return *(__end_ - 1); }
143+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference front() _LIBCPP_LIFETIMEBOUND { return *__begin_; }
144+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference front() const _LIBCPP_LIFETIMEBOUND { return *__begin_; }
145+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference back() _LIBCPP_LIFETIMEBOUND { return *(__end_ - 1); }
146+
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference back() const _LIBCPP_LIFETIMEBOUND { return *(__end_ - 1); }
147147

148148
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void reserve(size_type __n);
149149
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void shrink_to_fit() _NOEXCEPT;

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