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Zhihao Yuan d27489645b [libc++][C++17] Elementary string conversions for integral types 
Summary:
Major QoI considerations:

- The facility is backported to C++14, same as libstdc++.
- Efforts have been made to minimize the header dependencies.
- The design is friendly to the uses of MSVC intrinsics (`__emulu`, `_umul128`, `_BitScanForward`, `_BitScanForward64`) but not implemented; future contributions are welcome.

Thanks to Milo Yip for contributing the implementation of `__u64toa` and `__u32toa`.

References:
 https://wg21.link/p0067r5
 https://wg21.link/p0682r1

Reviewers: mclow.lists, EricWF

Reviewed By: mclow.lists

Subscribers: ldionne, Quuxplusone, christof, mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D41458

llvm-svn: 338479
 		2018-08-01 02:38:30 +00:00
..
benchmarks Add new string benchmarks 2018-07-10 04:11:22 +00:00
cmake [CMake] Don't install c++abi headers in standalone libc++ build 2018-07-25 22:57:39 +00:00
docs [libc++] Introduce _LIBCPP_HIDE_FROM_ABI to replace _LIBCPP_INLINE_VISIBILITY 2018-07-27 12:46:03 +00:00
fuzzing Wrote my own version of is_permutation; that was dominating the timings 2018-01-19 03:17:45 +00:00
include [libc++][C++17] Elementary string conversions for integral types 2018-08-01 02:38:30 +00:00
lib Add libc++fs to the test deps, and not to the target 'cxx'. 2018-07-27 03:47:46 +00:00
src [libc++][C++17] Elementary string conversions for integral types 2018-08-01 02:38:30 +00:00
test [libc++][C++17] Elementary string conversions for integral types 2018-08-01 02:38:30 +00:00
utils Implement <filesystem> 2018-07-27 03:07:09 +00:00
www Final bit of P0063 - make sure that aligned_alloc is available when the underlying C library supports it 2018-07-31 23:39:12 +00:00
.arcconfig [libcxx] Set up .arcconfig to point to new Diffusion CXX repository 2017-12-04 17:55:28 +00:00
.clang-format Make clang-format use C++03 syntax 2017-04-15 02:45:43 +00:00
.gitignore Implement N4606 optional 2016-10-12 07:46:20 +00:00
CMakeLists.txt Attempt to unbreak *all the bots* 2018-07-27 03:42:58 +00:00
CREDITS.TXT Try again, this time with the correct address 2017-12-29 19:26:53 +00:00
LICENSE.TXT Update year to 2017 2017-01-03 11:20:43 +00:00
NOTES.TXT Reland "Use custom command and target to install libc++ headers" 2018-06-12 03:10:02 +00:00
TODO.TXT Add list of filesystem NB comments to TODO.TXT so they can be tracked separately 2017-03-06 21:23:36 +00:00
appveyor-reqs-install.cmd Update Clang version on Appveyor bots 2018-04-04 04:33:09 +00:00
appveyor.yml Rename Appveyor install helper script. 2017-05-10 02:43:02 +00:00