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Eric Fiselier 026d38e8fb Optimize filesystem::path by providing weaker exception guarantees.

path uses string::append to construct, append, and concatenate paths. Unfortunatly
string::append has a strong exception safety guaranteed and if it can't prove
that the iterator operations don't throw then it will allocate a temporary
string copy to append to. However this extra allocation and copy is very
undesirable for path which doesn't have the same exception guarantees.

To work around this this patch adds string::__append_forward_unsafe which exposes
the std::string::append interface for forward iterators without enforcing
that the iterator is noexcept.



git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@285532 91177308-0d34-0410-b5e6-96231b3b80d8

2016-10-31 02:46:25 +00:00

benchmarks

Optimize filesystem::path by providing weaker exception guarantees.

2016-10-31 02:46:25 +00:00

cmake

[cmake] Allow testing against installed LLVM with no sources

2016-10-19 12:34:17 +00:00

docs

Fix _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY to always have default visibility.

2016-10-31 02:07:23 +00:00

include

Optimize filesystem::path by providing weaker exception guarantees.

2016-10-31 02:46:25 +00:00

lib

Revert addition of __libcpp_library_version

2016-10-28 22:37:24 +00:00

src

Improve performance of constructing filesystem::path from strings.

2016-10-30 23:53:50 +00:00

test

Fix _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY to always have default visibility.

2016-10-31 02:07:23 +00:00

utils

Sort ABI lists by name so that changes don't generate big diffs

2016-10-14 05:04:00 +00:00

www

Implement constexpr support for reverse_iterator. Reviewed as https://reviews.llvm.org/D25534

2016-10-19 15:12:50 +00:00

.arcconfig

Upgrade arcconfig to use https

2016-07-18 02:02:49 +00:00

.gitignore

Implement N4606 optional

2016-10-12 07:46:20 +00:00

CMakeLists.txt

Add start of filesystem benchmarks

2016-10-30 22:53:00 +00:00

CREDITS.TXT

Add entry to CREDITS.TXT for propagate_const

2016-06-19 19:36:28 +00:00

LICENSE.TXT

2016-03-30 22:39:53 +00:00

TODO.TXT

Remove out of date items in TODO.txt

2016-09-27 01:28:47 +00:00

docs/README.txt

libc++ Documentation
====================

The libc++ documentation is written using the Sphinx documentation generator. It is
currently tested with Sphinx 1.1.3.

To build the documents into html configure libc++ with the following cmake options:

  * -DLLVM_ENABLE_SPHINX=ON
  * -DLIBCXX_INCLUDE_DOCS=ON

After configuring libc++ with these options the make rule `docs-libcxx-html`
should be available.