Commit Graph

2639 Commits

Author SHA1 Message Date
Eric Fiselier 31dd2b1c88 Generate code coverage for experimental libraries
llvm-svn: 268887
2016-05-08 23:08:50 +00:00
Eric Fiselier b06c012243 Enable Pthread threading API on Solaris. Fix PR27677
llvm-svn: 268860
2016-05-07 17:05:46 +00:00
Eric Fiselier 2266a8d473 Fix memory_resource build for _LIBCPP_HAS_NO_THREADS
llvm-svn: 268850
2016-05-07 05:37:31 +00:00
Eric Fiselier 8dbe074baf Update TS implementation status page
llvm-svn: 268844
2016-05-07 03:24:31 +00:00
Eric Fiselier 4524d6e739 Change allocator<T>::allocate to throw length_error, not bad_alloc
llvm-svn: 268842
2016-05-07 03:12:24 +00:00
Eric Fiselier 522a7f9535 Add experimental container alias templates for PMRs
llvm-svn: 268841
2016-05-07 03:09:55 +00:00
Eric Fiselier 946c9b4920 Fix one more usage of _LIBCPP_HAS_NO_EXCEPTIONS
llvm-svn: 268839
2016-05-07 02:33:25 +00:00
Eric Fiselier 27acf7585d Fix typo it _LIBCPP_NO_EXCEPTIONS macro
llvm-svn: 268838
2016-05-07 02:30:21 +00:00
Eric Fiselier 15551efd43 Add <experimental/memory_resource>
Reviewers: mclow.lists, EricWF

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D20007

llvm-svn: 268829
2016-05-07 01:04:55 +00:00
Eric Fiselier 57175711eb Tweak --param=no_default_flags=true to still add -Ilibcxx/test/support
llvm-svn: 268801
2016-05-06 21:35:06 +00:00
Asiri Rathnayake c7e4239fab Refactor pthread usage of libcxx.
This patch extracts out all the pthread dependencies of libcxx into the
new header __threading_support. The motivation is to make it easy to
re-target libcxx into platforms that do not support pthread.

Original patch from Fulvio Esposito (fulvio.esposito@outlook.com) - D11781

Applied with tweaks - D19412

Change-Id: I301111f0075de93dd8129416e06babc195aa936b
llvm-svn: 268734
2016-05-06 14:06:29 +00:00
Eric Fiselier 7946c3f0e2 Fix errors in documentation
llvm-svn: 268709
2016-05-06 04:49:30 +00:00
Eric Fiselier 41fe4bacf5 Fix sphinx build. This is a temporary solution.
llvm-svn: 268614
2016-05-05 08:12:25 +00:00
Eric Fiselier d742bcc9f6 Try and fix sphinx build
llvm-svn: 268613
2016-05-05 06:30:05 +00:00
Eric Fiselier 4a9578aefe Removing some trailing whitespace
llvm-svn: 268543
2016-05-04 20:29:19 +00:00
Marshall Clow 96051a4efc Fixed some spelling errors in assert messages. No functional change. Thanks to giffunip@yahoo.com for the report.
llvm-svn: 268510
2016-05-04 15:35:50 +00:00
Eric Fiselier 43e3a64270 Update version numbers in docs
llvm-svn: 268459
2016-05-03 22:50:33 +00:00
Eric Fiselier 539cd6758b Add documentation for new experimental library
llvm-svn: 268456
2016-05-03 22:32:08 +00:00
Eric Fiselier ad89e3855c Make check-libcxx dependant on libc++experimental if present.
llvm-svn: 268451
2016-05-03 21:58:07 +00:00
Eric Fiselier 27cb2f1225 Create new library 'libc++experimental.a' for packaging TS symbols.
Summary:
Out-of-line symbols for <experimental/...> headers are not ABI or API stable and cannot live in the 'libc++.dylib'. Currently they have nowhere to live. I would like to add a new library target `libc++experimental.a` to fix this. 

Previously I had suggested different libraries for different TS's (`libc++filesystem.a`, 'libc++LFTS.a`, ect). I no longer think this is the right approach.
Instead `c++experimental` will hold *all* TS implementations as a single monolithic library. I see two main benefits to this:

1. Users only have to know about and manually link one library.
2. It makes it easy to implement TS's with one or two out-of-line symbols. (Ex. PMRs)

`c++experimental` provides NO ABI compatibility. Symbols can freely be added/removed/changed without concern for ABI stability.
I will add documentation for this after landing this patch (but before adding anything to it).

`c++experimental` only builds as a static library. By default CMake will build/test this library but will *NOT* install it.

This patch adds the CMake and LIT logic needed to build/test the new library. Once this lands I plan on using it to implement parts of `<experimental/memory_resource>`.



Reviewers: mclow.lists

Subscribers: cfe-commits, theraven, krememek, dexonsmith, bcraig, beanz, danalbert

Differential Revision: http://reviews.llvm.org/D19856

llvm-svn: 268443
2016-05-03 21:30:18 +00:00
Chris Bieneman b05112452f [CMake] Fix a copy-paste error
Based on post commit feedback from Eric Fiselier.

llvm-svn: 268401
2016-05-03 16:54:20 +00:00
Eric Fiselier 59e9748cb5 Fix dependencies on install-libcxx CMake target
llvm-svn: 268363
2016-05-03 05:34:38 +00:00
Eric Fiselier 95b632d4b9 Fix PR27538. Remove __is_convertible specializations for array and function types.
This patch fixes a bunch of bugs in the fallback implementation of
is_convertible, which is used by GCC. Removing the "__is_convertible"
specializations for array/function types we fallback on the SFINAE test,
which is more correct.

See https://llvm.org/bugs/show_bug.cgi?id=27538

llvm-svn: 268359
2016-05-03 04:26:02 +00:00
Eric Fiselier 15a297212f [libcxx] [test] Replace non-Standard "atomic_flag f(false);" with Standard "atomic_flag f;"
Summary:
Replace non-Standard "atomic_flag f(false);" with Standard "atomic_flag f;" in clear tests.
Although the  value of 'f' is unspecified it shouldn't matter because these tests always call `f.test_and_set()` without checking the result, so the initial state shouldn't matter.

The test init03.pass.cpp is explicitly testing this non-Standard extension; It has been moved into the `test/libcxx` directory.

Reviewers: mclow.lists, STL_MSFT

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D19758

llvm-svn: 268355
2016-05-03 02:12:26 +00:00
Eric Fiselier 43a10eb637 Don't use std::__clz in 'test/support/hexfloat.h'.
std::__clz is a libc++ specific function so it can't be used in the test suite.
This patch implements a dumb "count leading zeros" implementation within
hexfloat itself.

This patch also fixes UB since the output of `__builtin_clz(0)` is undefined
according to the GCC docs.

llvm-svn: 268354
2016-05-03 02:04:26 +00:00
Eric Fiselier 4df2666da1 Guard use of <unistd.h> in test.
llvm-svn: 268346
2016-05-03 00:36:57 +00:00
Eric Fiselier 76af416afc Cleanup warnings and remove use of __builtin_va_list in depr.c.headers
llvm-svn: 268294
2016-05-02 20:08:16 +00:00
Eric Fiselier c090b04045 Initialize local doubles to NaN. Patch from STL@microsoft.com
llvm-svn: 268285
2016-05-02 19:20:16 +00:00
Eric Fiselier fb42f4c44a Void cast runtime-unused variables. Patch from STL@microsoft.com
llvm-svn: 268284
2016-05-02 19:15:48 +00:00
Eric Fiselier 53ca3c93db Replace one more occurrence of non-standard std:launch::any. Patch from STL@microsoft.com
llvm-svn: 268153
2016-04-30 02:30:18 +00:00
Chris Bieneman 4497e3a1e6 [CMake] Create a separate install target for libcxx headers
This change doesn't impact the behavior of the install-libcxx target which installs whichever libcxx components you build, it just adds a separate target to just install the headers.

llvm-svn: 268124
2016-04-29 22:17:15 +00:00
Eric Fiselier 3ed9f6ebde Fix PR21428 for long. Buffer was one byte too small in octal formatting case. Rename previously added test
llvm-svn: 268009
2016-04-29 07:23:20 +00:00
Eric Fiselier cc06271d12 Move extern C include test into test/libcxx
llvm-svn: 267983
2016-04-29 04:19:48 +00:00
Eric Fiselier cbeadbdbad Fix test failures by adding missing include
llvm-svn: 267982
2016-04-29 04:18:13 +00:00
Eric Fiselier 382e91792b Fix or move various non-standard tests.
This patch does the following:

* Remove <__config> includes from some container tests.
* Guards uses of std::launch::any in async tests because it's an extension.
* Move "test/std/extensions" to "test/libcxx/extensions"
* Moves various non-standard tests including those in "sequences/vector",
  "std/localization" and "utilities/meta".

llvm-svn: 267981
2016-04-29 04:07:45 +00:00
Eric Fiselier bc32b5cf8f Move INVOKE tests into test/libcxx sub-tree.
Testing the concrete implementation of INVOKE means calling the implementation
specific names `__invoke` and `__invoke_constexpr`. For this reason the test
are non-standard. For this reason it's best if the tests live outside of the
`test/std` directory.

llvm-svn: 267973
2016-04-29 01:52:57 +00:00
Eric Fiselier 23323e25f8 Fix possible test breakage for MinGW
llvm-svn: 267968
2016-04-29 01:22:16 +00:00
Eric Fiselier 903f1ab93a Fix get_temp_file_name() to compile on Windows. Patch from STL@microsoft.com
llvm-svn: 267963
2016-04-29 00:51:24 +00:00
Eric Fiselier a643eb7ec0 Remove more names of unreferenced parameters. Patch from STL@microsoft.com
llvm-svn: 267962
2016-04-29 00:47:16 +00:00
Eric Fiselier 6abce62b4e Add a return value for nasty_mutex::operator&. Patch from STL@microsoft.com
llvm-svn: 267961
2016-04-29 00:45:46 +00:00
Eric Fiselier 6c5edd1263 Add <string> include for streaming operators. Patch from STL@microsoft.com
llvm-svn: 267959
2016-04-29 00:39:40 +00:00
Eric Fiselier 7d7d2c0edd Add proper include for unique_ptr. Patch from STL@microsoft.com
llvm-svn: 267958
2016-04-29 00:37:56 +00:00
Eric Fiselier 1f4231f8cf Guard libc++ specific c.__invariants() tests in LIBCPP_ASSERT macros
llvm-svn: 267947
2016-04-28 22:28:23 +00:00
Eric Fiselier 7626f778a5 Remove names of unreferenced parameters. Patch from STL@microsoft.com
llvm-svn: 267852
2016-04-28 03:17:56 +00:00
Eric Fiselier 0d62791983 Add braces, move braces, and rename variables to avoid shadowing. Patch from STL@microsoft.com
llvm-svn: 267844
2016-04-28 02:45:11 +00:00
Eric Fiselier 0f9e91acc8 Provide member function definitions to avoid warnings. Patch from STL@microsoft.com
llvm-svn: 267843
2016-04-28 02:18:48 +00:00
Eric Fiselier 588e1dbda2 Rename function parameters to avoid shadowing. Patch from STL@microsoft.com
llvm-svn: 267838
2016-04-28 02:00:52 +00:00
Eric Fiselier e5eb7049eb Guard Clang and GCC specific pragmas. Patch from STL@microsoft.com
llvm-svn: 267836
2016-04-28 01:49:03 +00:00
Marshall Clow 91929f643e Fix = that should have been == in test. Thanks to STL@microsoft for the catch
llvm-svn: 267654
2016-04-27 01:46:43 +00:00
Marshall Clow 8dc9dcaeac Apparently XFAIL tests that are supposed to fail to compile can be problematic. They still get compiled, and if the compile succeeds, the buildbots complain. Replace the XFAIL with #error.
llvm-svn: 267591
2016-04-26 19:29:35 +00:00
Marshall Clow fd5ceb2228 #include <test_macros.h> in all the regex tests, and remove all mentions of __cpluplus (use TEST_STD_VERS and/or XFAIL instead). No functional change
llvm-svn: 267567
2016-04-26 16:24:44 +00:00
Marshall Clow a64a8fc969 Rename a few tests that had typos in their names. No functional change. Thanks to STL for the catch
llvm-svn: 267287
2016-04-23 14:31:00 +00:00
Eric Fiselier b530a2591b Fix some non-standard parts of our test suite. Reported by STL
llvm-svn: 267131
2016-04-22 10:33:56 +00:00
Marshall Clow f8997cf5ae Add missing include of <algorithm>
llvm-svn: 267119
2016-04-22 07:39:05 +00:00
Evgeniy Stepanov cd31b4348a Cleanup: move visibility/linkage attributes to the first declaration.
http://reviews.llvm.org/D15404

llvm-svn: 267093
2016-04-22 01:04:55 +00:00
Eric Fiselier 906c50859b Fix LWG issue #2106: move_iterators returning prvalues
llvm-svn: 267091
2016-04-22 00:49:12 +00:00
Eric Fiselier b7f045fc7d Fix C++03 build breakage
llvm-svn: 267090
2016-04-22 00:47:15 +00:00
Eric Fiselier d513ad88d5 Complete LWG issue #2016. Allocators must be nothrow swappable
llvm-svn: 267085
2016-04-22 00:15:18 +00:00
Eric Fiselier f07dd8d0a9 Add is_swappable/is_nothrow_swappable traits
llvm-svn: 267079
2016-04-21 23:38:59 +00:00
Eric Fiselier 62b98b6cce Make ios_base::failure visibility specified consistent
llvm-svn: 267076
2016-04-21 23:00:33 +00:00
Eric Fiselier 89dd1dd278 Fix most GCC attribute ignored warnings
llvm-svn: 267074
2016-04-21 22:54:21 +00:00
Weiming Zhao d69a6d2b28 [libc++] fix macro redef warning when exception is disabled
Summary:
 when setting LIBCXX_ENABLE_EXCEPTIONS=false, _LIBCPP_NO_EXCEPTIONS wil be defined in both commandline and _config

Reviewers: bcraig, EricWF

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D19344

llvm-svn: 266956
2016-04-21 05:28:18 +00:00
Eric Fiselier f40dd3278e Add cxx_runtime_root options for testing against a different libc++ at runtime
llvm-svn: 266855
2016-04-20 04:17:39 +00:00
Eric Fiselier e08afaf8df [libcxx] Fix PR15638 - Only allocate in parent when starting a thread to prevent calling terminate.
Summary:
Hi,

When creating a new thread libc++ performs at least 2 allocations. The first allocates a tuple of args and the functor that will be passed to the new thread. The second allocation is for the thread local storage needed internally by libc++. Currently the second allocation happens in the child thread, meaning that if it throws the program will terminate with an uncaught bad alloc.

The solution to this is to allocate ALL memory in the parent thread and then pass it to the child.

See https://llvm.org/bugs/show_bug.cgi?id=15638

Reviewers: mclow.lists, danalbert, jroelofs, EricWF

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D13748

llvm-svn: 266851
2016-04-20 02:21:33 +00:00
Eric Fiselier 840fa745ca Add 'is_callable' and 'is_nothrow_callable' traits and cleanup INVOKE.
The primary purpose of this patch is to add the 'is_callable' traits.
Since 'is_nothrow_callable' required making 'INVOKE' conditionally noexcept
I also took this oppertunity to implement a constexpr version of INVOKE.
This fixes 'std::experimental::apply' which required constexpr 'INVOKE support'.

This patch will be followed up with some cleanup. Primarly removing most
of "__member_function_traits" since it's no longer used by INVOKE (in C++11 at least).

llvm-svn: 266836
2016-04-20 00:14:32 +00:00
Ben Craig e83514a546 XFAILing new test on C++03
initializer_list doesn't exist in C++03.

llvm-svn: 266820
2016-04-19 21:07:30 +00:00
Ben Craig 8743f8ca24 Include initializer_list from utility
The C++11 and C++14 standards both say in the header <utility> synopsis that
<utility> shall include <initializer_list>.

llvm-svn: 266808
2016-04-19 20:13:55 +00:00
Ben Craig 0142a9da81 Framework to allow testing of static libc++abi
These changes make linking against static libraries more explicit. Instead
of using -lc++ and -lc++abi in the tests, an absolute path to the library is
provided instead.

The choices of shared vs. static, and the choices of library paths for both
libcxx and libcxxabi needed to be exchanged for this to work. In other words,
libcxx tests need to know the library path of libcxxabi, and whether libcxxabi
is a static or shared library.

Some Mac specific logic for testing against libc++abi had to be moved from
libcxxabi's config.py, as it was overriding choices made in libcxx's config.py.
That logic is now in libcxx's target_info.py.

Testing a static libcxx on Linux will now automatically link in librt most of
the time. Previously, lots of pthread tests would fail because of an
unresolved clock_gettime.

http://reviews.llvm.org/D16544

llvm-svn: 266730
2016-04-19 12:49:05 +00:00
Eric Fiselier 9795699a72 Make tuples constructors conditionally EXPLICIT. See N4387
llvm-svn: 266703
2016-04-19 01:19:25 +00:00
Eric Fiselier cf6bbd3909 Mark P0152R1 as complete.
llvm-svn: 266592
2016-04-18 06:58:50 +00:00
Eric Fiselier 87c4104d30 Mark LWG issue 2469 as done. Also simplify try_emplace and insert_or_assign implementations in unordered_map
llvm-svn: 266591
2016-04-18 06:51:33 +00:00
Eric Fiselier 2152fd7682 Implement LWG issue 2219 - support reference_wrapper in INVOKE
llvm-svn: 266590
2016-04-18 06:17:30 +00:00
Eric Fiselier df691e18f3 Add hash specializations for __int128_t. Fixes LWG issue 2119
llvm-svn: 266587
2016-04-18 02:54:00 +00:00
Eric Fiselier 40fde4d33e Add tests for LWG issue 2361
llvm-svn: 266586
2016-04-18 02:31:05 +00:00
Eric Fiselier 7a9f500fcb Fix LWG issue 2345 - Add insert(value_type&&)
llvm-svn: 266585
2016-04-18 01:40:45 +00:00
Eric Fiselier 500886841d Teach map/unordered_map how to optimize 'emplace(Key, T)'.
In cases where emplace is called with two arguments and the first one
matches the key_type we can Key to check for duplicates before allocating.

This patch expands on work done by dexonsmith@apple.com.

llvm-svn: 266498
2016-04-16 00:23:12 +00:00
Eric Fiselier fa1f613f7e Extract key to avoid preemptive mallocs in insert/emplace in associative containers
Summary: This patch applies Duncan's work on __hash_table to __tree.

Reviewers: mclow.lists, dexonsmith

Subscribers: dexonsmith, cfe-commits

Differential Revision: http://reviews.llvm.org/D18637

llvm-svn: 266491
2016-04-15 23:27:27 +00:00
Eric Fiselier 74cba6427a Cleanup and guard tuple's constructor SFINAE. Fixes PR22806 and PR23256.
There are two main fixes in this patch.

First the constructor SFINAE was changed so that it's evaluated in two stages
where the first stage evaluates the "safe" SFINAE conditions and the second
evaluates the "dangerous" ones. The key is that the second stage is lazily
evaluated only if the first stage passes. This helps fix PR23256
(https://llvm.org/bugs/show_bug.cgi?id=23256).

The second fix is for PR22806 and LWG issue 2549. This fix applies
the suggested resolution to the LWG issue in order to prevent the construction
of dangling references. The SFINAE for this check is contained within
the _PreferTupleLikeConstructor alias template. The tuple-like constructors
are disabled whenever that trait returns false.

(https://llvm.org/bugs/show_bug.cgi?id=22806)
(http://cplusplus.github.io/LWG/lwg-active.html#2549)

llvm-svn: 266461
2016-04-15 18:05:59 +00:00
Eric Fiselier 90fb2baff7 [libcxx] Remove the "reduced-arity-initialization" extension from the uses-allocator constructors
Summary:
A default uses-allocator constructor has been added since that overload was previously provided by the extended constructor.

Since Clang does implicit conversion checking after substitution this constructor has to deduce the allocator_arg_t parameter so that it can prevent the evaluation of "is_default_constructible" if the first argument doesn't match. See http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1391 for more information.

This patch fixes PR24779 (https://llvm.org/bugs/show_bug.cgi?id=24779)

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D19006

llvm-svn: 266409
2016-04-15 03:29:40 +00:00
Marshall Clow 3126c88137 Qualify calls to addressof to avoid getting ADL. Fixes PR#27254.
llvm-svn: 266209
2016-04-13 17:02:23 +00:00
Marshall Clow 05333fc8af Implement LWG#680, which was missed lo these many moons ago, and was reported as bug #27259. As a drive-by fix, replace the hand-rolled equivalent to addressof in __wrap_iter with the real thing.
llvm-svn: 265914
2016-04-11 03:54:53 +00:00
Eric Fiselier a9a9a8a92a Update filesystem status
llvm-svn: 265856
2016-04-08 21:52:32 +00:00
Marshall Clow 89685ed0da Recommit r263036 with additional inlining, so that it will continue to work with existing system dylibs. Implements LWG#2583
llvm-svn: 265706
2016-04-07 18:13:41 +00:00
Marshall Clow f90ec0e82e Added a noexcept test
llvm-svn: 265674
2016-04-07 14:24:16 +00:00
Marshall Clow 0ab4205705 Fix bug #27260 - add missing swap(reference, reference) to vector<bool>.
llvm-svn: 265672
2016-04-07 14:20:31 +00:00
Marshall Clow b10079e936 Remove unused internal routines. No functional change
llvm-svn: 265363
2016-04-04 23:23:35 +00:00
Marshall Clow bb8c665320 Put back the undefs that Richard removed. Boost won't build w/o these; specifically the file 'bytes_methods.h' in Apple's python framework defines these.
llvm-svn: 265358
2016-04-04 22:49:20 +00:00
Marshall Clow 35508d4921 Fix for Bug #27193; 'std::acos on complex does not agree with C'. Tests need work; so the bug will stay open.
llvm-svn: 265306
2016-04-04 16:08:54 +00:00
Eric Fiselier 54f0cda625 Fix LWG issue 2469 - Use piecewise construction in map::operator[].
map's allocator may only be used to construct objects of 'value_type',
or in this case 'pair<const Key, Value>'. In order to respect this requirement
in operator[], which requires default constructing the 'mapped_type', we have
to use pair's piecewise constructor with '(tuple<Kep>, tuple<>)'.

Unfortunately we still need to provide a fallback implementation for C++03
since we don't have <tuple>. Even worse this fallback is the last remaining
user of '__hash_map_node_destructor' and '__construct_node_with_key'.

This patch also switches try_emplace over to __tree.__emplace_unique_key_args.

llvm-svn: 264989
2016-03-31 03:13:37 +00:00
Eric Fiselier 5e3ea4dd79 Teach __tree how to handle map's __value_type
This patch is fairly large and contains a number of changes. The changes all work towards
allowing __tree to properly handle __value_type esspecially when inserting into the __tree.
I chose not to break this change into smaller patches because it wouldn't be possible to
write meaningful standard-compliant tests for each patch.

It is very similar to r260513 "[libcxx] Teach __hash_table how to handle unordered_map's __hash_value_type".

Changes in <map>
 * Remove __value_type's constructors because it should never be constructed directly.

 * Make map::emplace and multimap::emplace forward to __tree and remove the old definitions

 * Remove "__construct_node" map and multimap member functions. Almost all of the construction is done within __tree.

 * Fix map's move constructor to access "__value_type.__nc" directly and pass this object to __tree::insert.

Changes in <__tree>
 * Add traits to detect, handle, and unwrap, map's "__value_type".

 * Convert methods taking "value_type" to take "__container_value_type" instead. Previously these methods caused
  unwanted implicit conversions from "std::pair<Key, Value>" to "__value_type<Key, Value>".

 * Delete __tree_node and __tree_node_base's constructors and assignment operators. The node types should never be constructed
   because the "__value_" member of __tree_node must be constructed directly by the allocator.

 * Make the __tree_node_destructor class and "__construct_node" methods unwrap "__node_value_type" into "__container_value_type" before invoking the allocator. The user's allocator can only be used to construct and destroy the container's value_type. Passing it map's "__value_type" was incorrect.

 * Cleanup the "__insert" and "__emplace" methods. Have __insert forward to an __emplace function wherever possible to reduce
   code duplication. __insert_unique(value_type const&) and __insert_unique(value_type&&) forward to __emplace_unique_key_args.
   These functions will not allocate a new node if the value is already in the tree.

 * Change the __find* functions to take the "key_type" directly instead of passing in "value_type" and unwrapping the key later.
   This change allows the find functions to be used without having to construct a "value_type" first. This allows for a number
   of optimizations.

 * Teach __move_assign and __assign_multi methods to unwrap map's __value_type.

llvm-svn: 264986
2016-03-31 02:15:15 +00:00
Eric Fiselier 8a0313d4b6 Update container_test_types.h and cleanup the related tests
llvm-svn: 264985
2016-03-31 02:13:14 +00:00
Paul Robinson 9039bf0bc8 Update copyright year to 2016.
llvm-svn: 264950
2016-03-30 22:39:53 +00:00
JF Bastien b95ee819f2 Implement is_always_lock_free
Summary:

This was voted into C++17 at the Jacksonville meeting. The final P0152R1
paper will be in the upcoming post-Jacksonville mailing, and is also
available here:

  http://jfbastien.github.io/papers/P0152R1.html

Reviewers: mclow.lists, rsmith

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D17951

llvm-svn: 264413
2016-03-25 15:48:21 +00:00
Richard Barton 3c0bc9697a Guard a number of tests relying on threads support when built in
single-threaded mode.

Differential Revision: http://reviews.llvm.org/D14731

llvm-svn: 264191
2016-03-23 21:04:11 +00:00
JF Bastien 5b5061f0ca Missing ATOMIC_*_LOCK_FREE tests
Forked from D17951, these tests should have been there but weren't.

llvm-svn: 263798
2016-03-18 17:48:58 +00:00
Duncan P. N. Exon Smith fde79b40c2 unord: Extract key to avoid preemptive mallocs in insert/emplace
unordered_set::emplace and unordered_map::emplace construct a node, then
try to insert it.  If insertion fails, the node gets deleted.

To avoid this unnecessary malloc traffic, check to see if the argument
to emplace has the appropriate key_type.  If so, we can use that key
directly and delay the malloc until we're sure we're inserting something
new.

Test updates by Eric Fiselier, who rewrote the old allocation tests to
include the new cases.

There are two orthogonal future directions:

1. Apply the same optimization to set and map.

2. Extend the optimization to when the argument is not key_type, but can
   be converted to it without side effects.  Ideally, we could do this
   whenever key_type is trivially destructible and the argument is
   trivially convertible to key_type, but in practise the relevant type
   traits "blow up sometimes".  At least, we should catch a few simple
   cases (such as when both are primitive types).

llvm-svn: 263746
2016-03-17 20:45:20 +00:00
Eric Fiselier a58d430cac Make std::addressof constexpr in C++17 (Clang only).
llvm-svn: 263688
2016-03-17 03:30:56 +00:00
Eric Fiselier c32ee0476b Add __unconstref for future use
llvm-svn: 263659
2016-03-16 20:32:07 +00:00
Eric Fiselier 7865b2e943 Add clang thread safety annotations to mutex and lock_guard. Patch by jamesr@google.com.
This adds clang thread safety annotations to std::mutex and
std::lock_guard so code using these types can use these types directly
instead of having to wrap the types to provide annotations. These checks
when enabled by -Wthread-safety provide simple but useful static
checking to detect potential race conditions.
See http://clang.llvm.org/docs/ThreadSafetyAnalysis.html for details.

This patch was reviewed in http://reviews.llvm.org/D14731.

llvm-svn: 263611
2016-03-16 02:30:06 +00:00
Jonas Hahnfeld 83bedca7e9 [libcxx] Remove localization tests for Russian month names
Commit f49839299a085505eb673544744b61d2d9cdd1db in glibc-2.14 changed the
locales to the currently required format. However, they were again changed in
commit 55bdd2866f23b28422d969060b3518909a12b100 which has been released in 2.17.

That leads to the current situation where Debian and e.g. CentOS 6 have the
pre-2.14 locales, for example Ubuntu 14.04 has pre-2.17 and CentOS 7 on the
other hand has the newest locales in glibc-2.17.

Differential Revision: http://reviews.llvm.org/D18187

llvm-svn: 263554
2016-03-15 15:55:58 +00:00