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Nikolas Klauser 49bced456c
[libc++] Add basic constant folding for std::format (#107197) 
```
-------------------------------------------------------------------
Benchmark                                        old            new
-------------------------------------------------------------------
BM_format_string<char>/1                     42.1 ns        7.67 ns
BM_format_string<char>/2                     22.3 ns        3.84 ns
BM_format_string<char>/4                     10.6 ns        1.92 ns
BM_format_string<char>/8                     5.31 ns       0.815 ns
BM_format_string<char>/16                    2.79 ns       0.480 ns
BM_format_string<char>/32                    1.63 ns       0.550 ns
BM_format_string<char>/64                   0.782 ns       0.276 ns
BM_format_string<char>/128                  0.397 ns       0.145 ns
BM_format_string<char>/256                  0.211 ns       0.066 ns
BM_format_string<char>/512                  0.154 ns       0.035 ns
BM_format_string<char>/1024                 0.146 ns       0.021 ns
BM_format_string<char>/2048                 0.125 ns       0.033 ns
BM_format_string<char>/4096                 0.097 ns       0.016 ns
BM_format_string<char>/8192                 0.077 ns       0.012 ns
BM_format_string<char>/16384                0.066 ns       0.010 ns
BM_format_string<char>/32768                0.062 ns       0.016 ns
BM_format_string<char>/65536                0.062 ns       0.016 ns
BM_format_string<char>/131072               0.443 ns       0.015 ns
BM_format_string<char>/262144               0.629 ns       0.017 ns
BM_format_string<char>/524288               0.715 ns       0.020 ns
BM_format_string<char>/1048576              0.757 ns       0.020 ns
BM_format_string<wchar_t>/1                  38.8 ns        34.0 ns
BM_format_string<wchar_t>/2                  19.4 ns        16.9 ns
BM_format_string<wchar_t>/4                  9.88 ns        8.45 ns
BM_format_string<wchar_t>/8                  6.30 ns        6.47 ns
BM_format_string<wchar_t>/16                 3.11 ns        3.21 ns
BM_format_string<wchar_t>/32                 1.60 ns        1.63 ns
BM_format_string<wchar_t>/64                0.899 ns       0.925 ns
BM_format_string<wchar_t>/128               0.676 ns       0.693 ns
BM_format_string<wchar_t>/256               0.658 ns       0.685 ns
BM_format_string<wchar_t>/512               0.556 ns       0.531 ns
BM_format_string<wchar_t>/1024              0.428 ns       0.402 ns
BM_format_string<wchar_t>/2048              0.328 ns       0.319 ns
BM_format_string<wchar_t>/4096              0.276 ns       0.274 ns
BM_format_string<wchar_t>/8192              0.252 ns       0.251 ns
BM_format_string<wchar_t>/16384             0.248 ns       0.246 ns
BM_format_string<wchar_t>/32768             0.229 ns       0.232 ns
BM_format_string<wchar_t>/65536             0.248 ns       0.246 ns
BM_format_string<wchar_t>/131072            0.250 ns       0.240 ns
BM_format_string<wchar_t>/262144             3.03 ns        3.03 ns
BM_format_string<wchar_t>/524288             3.14 ns        3.15 ns
BM_format_string<wchar_t>/1048576            3.60 ns        3.61 ns
BM_string_without_formatting<char>           32.2 ns       0.470 ns
BM_string_without_formatting<wchar_t>        38.8 ns        10.2 ns
```
2025-05-15 10:37:32 +02:00
..
__algorithm
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
__atomic
[libc++] Use __underlying_type directly in underyling_type_t (#135423)
2025-04-13 11:01:17 +02:00
__bit
[libc++] Remove a few unused includes from <__bit/*> (#137934)
2025-05-01 15:02:17 +02:00
__charconv
[libc++] Replace __libcpp_{ctz, clz} with __builtin_{ctzg, clzg} (#133920)
2025-04-18 20:57:05 -04:00
__chrono
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__compare
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__concepts
[libc++] Remove a few unused includes from <__concepts/*> (#129883)
2025-03-06 10:22:18 +01:00
__condition_variable
[libc++] Remove _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS (#111964)
2025-04-08 18:16:18 +02:00
__configuration
[libc++] Re-introduce _LIBCPP_DISABLE_AVAILABILITY (#134158)
2025-05-05 14:19:13 -07:00
__coroutine
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__cstddef
[libc++] Introduce unversioned namespace macros (#133009)
2025-03-27 11:34:38 +01:00
__cxx03
[libc++][C++03] Remove macros that expand to nothing (#134046)
2025-05-14 08:54:42 +02:00
__debug_utils
…
__exception
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
__expected
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
__filesystem
[libc++][NFC] Move dylib function in <__filesystem/operations.h> together
2025-03-27 15:14:17 +01:00
__flat_map
[libc++] Add _LIBCPP_NO_UNIQUE_ADDRESS to flat_{,multi}map::value_compare (#137594)
2025-05-07 10:09:40 -04:00
__flat_set
[libc++] Implement std::flat_multiset (#128363)
2025-04-06 10:50:55 +01:00
__format
[libc++] Add basic constant folding for std::format (#107197)
2025-05-15 10:37:32 +02:00
__functional
[libc++] Make bad_function_call::what() existence a matter of availability instead of ABI (#127697)
2025-04-25 10:45:46 +02:00
__fwd
[libc++] Avoid type-punning between __value_type and pair (#134819)
2025-05-15 09:01:56 +02:00
__ios
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__iterator
[libc++] Reword std::advance assertion message for consistency with ranges::advance (#138749)
2025-05-07 12:59:38 -04:00
__locale_dir
[libc++] Guard additional headers with _LIBCPP_HAS_LOCALIZATION (#131921)
2025-04-04 11:48:46 -04:00
__math
[libc++] Simplify __promote (#136101)
2025-05-08 16:48:57 -04:00
__mdspan
[libc++] Implement P2897R7 aligned_accessor: An mdspan accessor expressing pointer over-alignment (#122603)
2025-04-14 17:33:57 -04:00
__memory
[libc++] Avoid type-punning between __value_type and pair (#134819)
2025-05-15 09:01:56 +02:00
__memory_resource
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__mutex
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__new
[libc++] Introduce unversioned namespace macros (#133009)
2025-03-27 11:34:38 +01:00
__numeric
[libc++] Implement ranges::iota (#68494)
2025-04-05 13:46:11 +02:00
__ostream
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__pstl
[libc++] Extract destroy algorithms into separate headers (#126449)
2025-02-10 21:19:46 +01:00
__random
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__ranges
[libc++][ranges] Reject non-class types in ranges::to (#135802)
2025-04-24 10:29:59 +02:00
__stop_token
[libc++] Replace __libcpp_popcount by __builtin_popcountg (#133937)
2025-04-13 08:40:21 -04:00
__string
[libc++] Remove a few unnecessary branches from basic_string::find (#137266)
2025-05-07 10:54:34 -04:00
__support
[libc++] Add missing iswctype_l in posix_l_fallbacks (#122484)
2025-01-10 15:21:58 -05:00
__system_error
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__thread
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__tuple
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__type_traits
[libc++] Work around new GCC 15 type_traits builtins that can't be used as Clang's can (#137871)
2025-05-13 12:23:50 -07:00
__utility
[libc++] Simplify the implementation of std::get for pairs (#114984)
2025-05-12 22:40:17 +02:00
__variant
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__vector
[libc++] Remove the constexpr hash<vector<bool>> extension (#132617)
2025-05-14 07:20:27 +08:00
experimental
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
ext
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
__assert
…
__bit_reference
[libc++] Replace __libcpp_{ctz, clz} with __builtin_{ctzg, clzg} (#133920)
2025-04-18 20:57:05 -04:00
__config
[libc++] Fix disabling of extension warnings in C++20 and later (#134989)
2025-05-10 17:05:35 +02:00
__config_site.in
…
__hash_table
[libc++] Replace __libcpp_{ctz, clz} with __builtin_{ctzg, clzg} (#133920)
2025-04-18 20:57:05 -04:00
__locale
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
__mbstate_t.h
[libc++] Do not guard inclusion of wchar.h with _LIBCPP_HAS_WIDE_CHARACTERS (#126924)
2025-02-18 12:12:23 +01:00
__node_handle
[libc++] Avoid type-punning between __value_type and pair (#134819)
2025-05-15 09:01:56 +02:00
__split_buffer
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
__std_mbstate_t.h
…
__tree
[libc++] Avoid type-punning between __value_type and pair (#134819)
2025-05-15 09:01:56 +02:00
__undef_macros
…
__verbose_abort
[libc++] Removes the _LIBCPP_VERBOSE_ABORT_NOT_NOEXCEPT macro. (#135494)
2025-04-14 18:55:01 +02:00
algorithm
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
any
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
array
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
atomic
[libc++] Don't implement <stdatomic.h> before C++23 (#123130)
2025-01-17 14:22:40 -05:00
barrier
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
bit
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
bitset
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
cassert
…
ccomplex
[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)
2025-01-08 11:12:59 -05:00
cctype
…
cerrno
…
cfenv
…
cfloat
…
charconv
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
chrono
[libc++][chrono] Adds a missing main include. (#132100)
2025-03-21 18:02:32 +01:00
cinttypes
…
ciso646
[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)
2025-01-08 11:12:59 -05:00
climits
…
clocale
…
CMakeLists.txt
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
cmath
[libc++] Simplify __promote (#136101)
2025-05-08 16:48:57 -04:00
codecvt
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
compare
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
complex
[libc++] Simplify __promote (#136101)
2025-05-08 16:48:57 -04:00
complex.h
…
concepts
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
condition_variable
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
coroutine
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
csetjmp
…
csignal
…
cstdalign
[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)
2025-01-08 11:12:59 -05:00
cstdarg
…
cstdbool
[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)
2025-01-08 11:12:59 -05:00
cstddef
…
cstdint
…
cstdio
…
cstdlib
…
cstring
…
ctgmath
[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)
2025-01-08 11:12:59 -05:00
ctime
…
ctype.h
…
cuchar
…
cwchar
[NFC][libc++] Guard against operator& hijacking. (#128351)
2025-02-27 17:47:34 +01:00
cwctype
…
deque
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
errno.h
…
exception
…
execution
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
expected
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
fenv.h
…
filesystem
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
flat_map
[libc++] implement std::flat_multimap (#113835)
2025-01-25 18:30:00 +00:00
flat_set
[libc++] Implement std::flat_multiset (#128363)
2025-04-06 10:50:55 +01:00
float.h
…
format
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
forward_list
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
fstream
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
functional
[libc++] Implement std::not_fn<NTTP> (#86133)
2025-01-10 14:14:14 -05:00
future
[libc++] Use __underlying_type directly in underyling_type_t (#135423)
2025-04-13 11:01:17 +02:00
initializer_list
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
inttypes.h
…
iomanip
…
ios
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
iosfwd
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
iostream
…
istream
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
iterator
[libc++] Implements LWG3600 Making istream_iterator copy constructor trivial is an ABI break (#127343)
2025-03-01 12:29:21 +01:00
latch
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
limits
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
list
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
locale
[libc++] Fix use of std::errc() for C++ < 11 (#138522)
2025-05-12 15:55:24 -04:00
map
[libc++] Avoid type-punning between __value_type and pair (#134819)
2025-05-15 09:01:56 +02:00
math.h
…
mdspan
[libc++] Implement P2897R7 aligned_accessor: An mdspan accessor expressing pointer over-alignment (#122603)
2025-04-14 17:33:57 -04:00
memory
[libc++] Implement P2897R7 aligned_accessor: An mdspan accessor expressing pointer over-alignment (#122603)
2025-04-14 17:33:57 -04:00
memory_resource
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
module.modulemap.in
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
mutex
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
new
…
numbers
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
numeric
[libc++] Implement ranges::iota (#68494)
2025-04-05 13:46:11 +02:00
optional
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
ostream
…
print
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
queue
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
random
…
ranges
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
ratio
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
regex
[libc++][NFC] Inline _LIBCPP_FALLTHROUGH() (#135001)
2025-04-11 12:07:04 +02:00
scoped_allocator
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
semaphore
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
set
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
shared_mutex
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
source_location
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
span
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
sstream
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
stack
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
stdatomic.h
[libc++] Don't implement <stdatomic.h> before C++23 (#123130)
2025-01-17 14:22:40 -05:00
stdbool.h
…
stddef.h
…
stdexcept
…
stdio.h
…
stdlib.h
…
stop_token
[libc++][C++03] Remove headers which don't provide anything (#134044)
2025-04-09 15:00:46 +02:00
streambuf
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
string
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
string_view
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
string.h
…
strstream
[libc++] Guard additional headers with _LIBCPP_HAS_LOCALIZATION (#131921)
2025-04-04 11:48:46 -04:00
syncstream
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
system_error
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
tgmath.h
…
thread
…
tuple
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
type_traits
[libc++] Remove dead implementation of is_nothrow_convertible and merge the remaining code into is_convertible.h (#137717)
2025-04-29 08:46:06 +02:00
typeindex
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
typeinfo
[libc++] Introduce unversioned namespace macros (#133009)
2025-03-27 11:34:38 +01:00
uchar.h
…
unordered_map
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
unordered_set
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
utility
[libcxx] Put std::monostate in <utility> (#128373)
2025-03-25 18:31:57 +01:00
valarray
[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)
2025-04-09 23:47:57 +02:00
variant
[libc++] Add the __is_replaceable type trait (#132408)
2025-05-08 16:35:00 -04:00
vector
[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)
2025-04-19 07:12:43 -04:00
version
[libc++] Implement P2897R7 aligned_accessor: An mdspan accessor expressing pointer over-alignment (#122603)
2025-04-14 17:33:57 -04:00
wchar.h
…
wctype.h
…