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llvm-project/libcxx/include
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Louis Dionne 53ac1776f3 [libc++] Enable aligned allocation based on feature test macro, irrespective of standard 
Summary:
The current code enables aligned allocation functions when compiling in C++17
and later. This is a problem because aligned allocation functions might not
be supported on the target platform, which leads to an error at link time.

Since r338934, Clang knows not to define __cpp_aligned_new when it's not
available on the target platform -- this commit takes advantage of that to
only use aligned allocation functions when they are available.

Reviewers: vsapsai, EricWF

Subscribers: christof, dexonsmith, cfe-commits, EricWF, mclow.lists

Differential Revision: https://reviews.llvm.org/D50344

llvm-svn: 339431
2018-08-10 13:24:56 +00:00
..
experimental
Re-apply "[libcxx] implement <simd> ABI for Clang/GCC vector extension, constructors, copy_from and copy_to."
2018-07-30 22:27:38 +00:00
ext
Remove usages of _LIBCPP_MSVC which is never defined
2017-05-10 21:40:58 +00:00
support
[libc++] Exclude posix_l/strtonum fallback inclusion for newlib > 2.4
2018-07-27 20:02:58 +00:00
__bit_reference
[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows
2017-05-31 22:07:49 +00:00
__bsd_locale_defaults.h
Add system header pragma to BSD locale fallback headers.
2017-08-03 02:50:43 +00:00
__bsd_locale_fallbacks.h
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
__config
[libc++] Enable aligned allocation based on feature test macro, irrespective of standard
2018-08-10 13:24:56 +00:00
__config_site.in
[cmake] Add a config option LIBCXX_HAS_WIN32_THREAD_API for enforcing win32 threads
2018-01-05 20:48:29 +00:00
__debug
[libc++] Introduce _LIBCPP_EXTERN_VIS to fix __libcpp_debug_function link errors
2017-01-16 21:01:00 +00:00
__errc
[libc++] Lift std::errc into a separated header
2018-07-03 03:25:10 +00:00
__functional_03
[libcxx] func.wrap.func.con: Unset function before destroying anything
2018-04-25 23:38:41 +00:00
__functional_base
[libc++] Remove _LIBCPP_BUILDING_XXX macros, which are redundant since _LIBCPP_BUILDING_LIBRARY
2018-08-01 02:08:59 +00:00
__functional_base_03
…
__hash_table
First half of C++17's splicing maps and sets
2018-08-01 01:33:38 +00:00
__libcpp_version
Update version to 8.0.0svn: cmake, includes files and docs
2018-08-01 13:54:28 +00:00
__locale
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
__mutex_base
[libc++] Remove _LIBCPP_BUILDING_XXX macros, which are redundant since _LIBCPP_BUILDING_LIBRARY
2018-08-01 02:08:59 +00:00
__node_handle
First half of C++17's splicing maps and sets
2018-08-01 01:33:38 +00:00
__nullptr
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
__split_buffer
[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows
2017-05-31 22:07:49 +00:00
__sso_allocator
Fix PR22634 - std::allocator doesn't respect over-aligned types.
2018-03-22 04:42:56 +00:00
__std_stream
[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows
2017-05-31 22:07:49 +00:00
__string
Fix misleading indentation; replace a couple of NULLs with nullptr. Resolves https://reviews.llvm.org/D42945 ; thanks to Bruce Mitchener for the patch.
2018-02-06 18:58:05 +00:00
__threading_support
libcxx: Unbreak external thread library configuration.
2018-02-21 21:36:18 +00:00
__tree
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
__tuple
Cleanup remaining usages of _LIBCPP_HAS_NO_<c++11-feature> in tuple and utility
2017-04-19 01:23:39 +00:00
__undef_macros
[Libc++] Use #pragma push_macro/pop_macro to better handle min/max on Windows
2017-05-31 22:07:49 +00:00
algorithm
Mark __equal_to 's operations as constexpr.
2018-07-14 04:15:19 +00:00
any
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
array
Implement P1023: constexpr comparison operators for std::array
2018-08-02 02:11:06 +00:00
atomic
Mark __c11_atomic_load as const
2018-06-01 18:02:53 +00:00
bitset
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
cassert
…
ccomplex
…
cctype
…
cerrno
…
cfenv
…
cfloat
Test for the presence of a bunch of new macros for c++17. These macros come from C11. Part of P0063
2018-07-31 23:29:06 +00:00
charconv
[libc++][C++17] Elementary string conversions for integral types
2018-08-01 02:38:30 +00:00
chrono
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
cinttypes
…
ciso646
…
climits
…
clocale
…
CMakeLists.txt
[libc++][C++17] Elementary string conversions for integral types
2018-08-01 02:38:30 +00:00
cmath
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
codecvt
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
compare
[libc++] Declare <compare> operators with the proper visibility attribute
2018-07-10 13:21:03 +00:00
complex
[libcxx] Improve accuracy of complex asinh and acosh
2018-02-19 15:41:36 +00:00
complex.h
…
condition_variable
[libc++] Make _LIBCPP_TYPE_VIS export members
2017-03-02 03:22:18 +00:00
csetjmp
…
csignal
…
cstdarg
…
cstdbool
…
cstddef
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
cstdint
…
cstdio
[libc++] Drop support for CRTs older than VS 2015
2017-04-07 02:20:52 +00:00
cstdlib
[libc++] Respect Windows Store app CRT restrictions
2017-04-06 04:47:49 +00:00
cstring
…
ctgmath
…
ctime
import timespec and timespec_get into namespace std if we're under c++17 or later AND the underlying C library has them. Fixes PR#38220, but doesn't implement all of P0063 yet.
2018-07-31 19:25:00 +00:00
ctype.h
[libc++] Refactor Windows support headers.
2017-05-10 20:57:45 +00:00
cwchar
[libc++] Remove unnecessary MSVCRT exclusions
2016-11-08 03:31:42 +00:00
cwctype
…
deque
Implement deduction guides for <deque>
2018-05-18 23:44:13 +00:00
errno.h
…
exception
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
filesystem
Implement <filesystem>
2018-07-27 03:07:09 +00:00
float.h
Test for the presence of a bunch of new macros for c++17. These macros come from C11. Part of P0063
2018-07-31 23:29:06 +00:00
forward_list
Fix PR37694 - std::vector doesn't correctly move construct allocators.
2018-06-05 22:32:52 +00:00
fstream
Implement <filesystem>
2018-07-27 03:07:09 +00:00
functional
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
future
Fix use of incorrect _LIBCXX macro (should be _LIBCPP).
2018-07-24 09:15:03 +00:00
initializer_list
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
inttypes.h
…
iomanip
Move 'quoted' for string_view from <string_view> to <iomanip> (where the other versions of 'quoted' live. No functional change.
2016-10-27 15:10:07 +00:00
ios
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
iosfwd
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
iostream
…
istream
[libc++] Factor duplicate code into function templates
2018-07-25 19:40:01 +00:00
iterator
Mark one more __wrap_iter operation as constexpr.
2018-07-14 03:06:11 +00:00
limits
Fix more unreserved names
2017-06-01 02:29:37 +00:00
limits.h
[libcxx] Fix gcc build.
2016-10-10 15:56:01 +00:00
list
Fix PR37694 - std::vector doesn't correctly move construct allocators.
2018-06-05 22:32:52 +00:00
locale
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
locale.h
[libcxx] Implement locale.h to fix modules build
2016-11-19 01:14:15 +00:00
map
First half of C++17's splicing maps and sets
2018-08-01 01:33:38 +00:00
math.h
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
memory
[libc++] Remove _LIBCPP_BUILDING_XXX macros, which are redundant since _LIBCPP_BUILDING_LIBRARY
2018-08-01 02:08:59 +00:00
module.modulemap
[libc++][C++17] Elementary string conversions for integral types
2018-08-01 02:38:30 +00:00
mutex
Implement most of P0607: Inline Variables for the Standard Library. This involved marking a lot of variables as inline (but only for C++17 and later).
2018-01-02 17:17:01 +00:00
new
[libc++] Enable aligned allocation based on feature test macro, irrespective of standard
2018-08-10 13:24:56 +00:00
numeric
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
optional
Add deduction guides for optional
2018-05-25 02:08:49 +00:00
ostream
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
queue
Deduction guides for the container adaptors - queue, stack, and priority_queue
2018-05-22 01:57:53 +00:00
random
Change an internal table of constants for the poisson distribution from
2018-01-16 14:54:36 +00:00
ratio
Implement most of P0607: Inline Variables for the Standard Library. This involved marking a lot of variables as inline (but only for C++17 and later).
2018-01-02 17:17:01 +00:00
regex
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
scoped_allocator
More of P0600; marking allocation routines as [[nodiscard]]
2017-11-26 02:55:38 +00:00
set
First half of C++17's splicing maps and sets
2018-08-01 01:33:38 +00:00
setjmp.h
…
shared_mutex
[libc++] Remove _LIBCPP_BUILDING_XXX macros, which are redundant since _LIBCPP_BUILDING_LIBRARY
2018-08-01 02:08:59 +00:00
span
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
sstream
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
stack
Deduction guides for the container adaptors - queue, stack, and priority_queue
2018-05-22 01:57:53 +00:00
stdbool.h
…
stddef.h
Check for musl-libc's max_align_t in addition to other variants.
2017-02-10 01:27:42 +00:00
stdexcept
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
stdint.h
…
stdio.h
libcxx: Rename vasprintf function to __libcpp_vasprintf.
2018-01-23 18:53:33 +00:00
stdlib.h
[libc++] Refactor Windows support headers.
2017-05-10 20:57:45 +00:00
streambuf
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
string
Address "always inline function is not always inlinable" warning with GCC.
2018-07-17 05:48:48 +00:00
string_view
Implement LWG3034: P0767R1 breaks previously-standard-layout types
2018-03-21 00:36:05 +00:00
string.h
…
strstream
Cleanup _LIBCPP_HAS_NO_<c++11-feature> in the input.output library
2017-04-18 23:38:41 +00:00
system_error
[libc++] Remove _LIBCPP_BUILDING_XXX macros, which are redundant since _LIBCPP_BUILDING_LIBRARY
2018-08-01 02:08:59 +00:00
tgmath.h
Implement LWG 2835 - fix <tgmath.h>
2018-02-12 19:13:24 +00:00
thread
Implement LWG 3039 and 3041 - 'Treating Unnecessary decay'.
2018-03-20 22:37:37 +00:00
tuple
Implement P0777: Treating unnecessay decay
2018-02-06 20:56:55 +00:00
type_traits
Implement P0887: The identity metafunction
2018-08-02 01:56:02 +00:00
typeindex
[NFC] Rename _LIBCPP_TYPE_VIS_ONLY to _LIBCPP_TEMPLATE_VIS
2017-01-04 23:56:00 +00:00
typeinfo
[NFC][libc++] Consistently use spaces to indent
2018-08-03 22:36:53 +00:00
unordered_map
First half of C++17's splicing maps and sets
2018-08-01 01:33:38 +00:00
unordered_set
First half of C++17's splicing maps and sets
2018-08-01 01:33:38 +00:00
utility
[libc++] Remove _LIBCPP_BUILDING_XXX macros, which are redundant since _LIBCPP_BUILDING_LIBRARY
2018-08-01 02:08:59 +00:00
valarray
Fix PR22634 - std::allocator doesn't respect over-aligned types.
2018-03-22 04:42:56 +00:00
variant
Partially Revert "Workaround GCC bug PR78489 - SFINAE order is not respected."
2018-03-23 23:42:30 +00:00
vector
[libc++] Take 2: Replace uses of _LIBCPP_ALWAYS_INLINE by _LIBCPP_INLINE_VISIBILITY
2018-07-11 23:14:33 +00:00
version
Implement P0754R2: The <version> header.
2018-04-03 15:48:24 +00:00
wchar.h
[libc++] Account for Microsoft CRT const overloads
2017-09-15 18:49:34 +00:00
wctype.h
…