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251 Commits

Author SHA1 Message Date
Douglas Gregor
5ea2e37c08 Remove an (incorrect) compiler workaround in the __mu function. The 
workaround relied on rvalue references binding to non-function
lvalues, while the original formulation (with std::forward) does the
right thing.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124241 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 23:11:15 +00:00
Howard Hinnant
56a85ca8bf tweak for readability (no functionality change) 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 16:31:30 +00:00
Douglas Gregor
6c669943b3 An rvalue reference cannot bind to an lvalue, so static_cast the 
result of the __tuple_leaf::get() call to an rvalue reference when
returning from tuple's get().


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 16:14:21 +00:00
Douglas Gregor
f9e1c7e367 Eliminate the C++0x-only is_convertible testing function that accepts 
a cv-qualifier rvalue reference to the type, e.g.,

  template <class _Tp> char  __test(const volatile typename remove_reference<_Tp>::type&&);

The use of this function signature rather than the more
straightforward one used in C++98/03 mode, e.g.,

  template <class _Tp> char  __test(_Tp);

is broken in two ways:

  1) An rvalue reference cannot bind to lvalues, so is_convertible<X&,
  X&>::value would be false. This breaks two of the unique_ptr tests
  on Clang and GCC >= 4.5. Prior GCC's seem to have allowed rvalue
  references to bind to lvalues, allowing this bug to slip in.

  2) By adding cv-qualifiers to the type we're converting to, we get
  some incorrect "true" results for, e.g., is_convertible<const X&, X&>::value.





git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124166 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-25 01:15:41 +00:00
Howard Hinnant
f83417b823 Chandler Carruth changed >> to > > in several places. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124120 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 16:07:25 +00:00
Howard Hinnant
5f5859c45b Add attribute to inlined member. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@123392 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-13 20:05:05 +00:00
Howard Hinnant
6fd4b669ca Fixing an ambiguity in variadics found by clang. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@123337 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 22:56:59 +00:00
Howard Hinnant
ac38bae75b fix guard 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@123269 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 20:02:45 +00:00
Howard Hinnant
52c4eb23e0 Two minor fixes: 1. Put integral_constant conversion to integral in even without constexpr support. 2. Add ios_base to <iosfwd>. The latter is being tracked by LWG 2026. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@123080 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 20:00:48 +00:00
Howard Hinnant
04240d90ef Reverting an old optimization that conflicts with the new allocator model, and causes some test casees to compile that shouldn't. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@122830 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 19:53:31 +00:00
Howard Hinnant
93c382bf45 Marshall Clow's fix for Bug 8421. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@122825 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 19:21:05 +00:00
Howard Hinnant
2d72b1e393 Effort to reduce the number of exported symbols 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@122057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 14:46:43 +00:00
Howard Hinnant
e48e36623b Reduced copying cost of tuple_cat from quadratic to linear. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-12 23:04:37 +00:00
Howard Hinnant
0e1493ec5e LWG 1385 [FCD] tuple_cat should be a single variadic signature (http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-active.html#1385). This issue is only in Ready status, meaning it is not official, but probably will be this March in Madrid. It was tentatively accepted in Batavia with the previso that Bill and I didn't have any problems implementing it. This is my part of that agreement. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121619 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-11 20:47:50 +00:00
Howard Hinnant
eee7698bac The implementation of the new definition of result_of (N3123) resulted in some test failures in [func.memfn] that I failed to previously notice. This corrects that mistake. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-11 00:05:19 +00:00
Michael J. Spencer
626916fc25 Add CMake build and fix major Linux blockers. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-10 19:47:54 +00:00
Howard Hinnant
31aaf55f4c N3158 Missing preconditions for default-constructed match_result objects 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121282 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:07:55 +00:00
Howard Hinnant
770d1c4ea7 After a long break to wait for the atomic spec to settle, this completes the library part of <atomic>. It currently won't even parse as it depends on the existence of the intrinsics specified at http://libcxx.llvm.org/atomic_design_a.html. Everything has been tested using fake intrinsics which have now been removed. As the intrinsics come online, the ATOMIC_* macros will need to be adjusted to reflect which operations are lock-free. These macros will probably need to be #ifdef'd for each supported platform. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 17:20:28 +00:00
Howard Hinnant
d2f6afbfab atomics ... 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121204 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:24:41 +00:00
Howard Hinnant
91e2f26fec Work on <atomic> continues. The file size is actually sane now... 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 20:46:14 +00:00
Howard Hinnant
4777bf2799 Getting <atomic> warmed back up. We have a hopefully more stable spec now. And I believe the intrinsic spec at http://libcxx.llvm.org/atomic_design_a.html is still good. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@121064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 23:10:08 +00:00
Howard Hinnant
a445151f4a N3189 Observers for the three handler functions 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-02 16:45:21 +00:00
Howard Hinnant
7de47902d0 Implemented N3194 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 20:23:32 +00:00
Howard Hinnant
ac417faebc Minor fixup in <ratio> and add optional support for shared_mutex and upgrade_mutex which must be opted into with #define _LIBCPP_SHARED_LOCK 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120258 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-28 19:41:07 +00:00
Howard Hinnant
d397d03651 Add template alias emulation to <ratio> 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 17:05:06 +00:00
Howard Hinnant
6689564040 N3188 - Revision to N3113: Async Launch Policies (CH 36) 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 18:33:54 +00:00
Howard Hinnant
f8f852138f N3191: C++ Timeout Specification 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119909 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 19:16:30 +00:00
Howard Hinnant
f048fe3a09 N3123 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 18:25:22 +00:00
Howard Hinnant
1468b668aa N3142. Many of these traits are just placeholders with medium quality emulation; waiting on compiler intrinsics to do it right. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:17:28 +00:00
Howard Hinnant
995676a98e LWG 1522 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 17:34:48 +00:00
Howard Hinnant
9650b6cce3 LWG 1439 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 17:01:36 +00:00
Howard Hinnant
2f6a627394 LWG 1339 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 16:13:03 +00:00
Howard Hinnant
278bf2d289 LWG 1432 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 01:47:02 +00:00
Howard Hinnant
47761071be LWG 1404 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 01:40:00 +00:00
Howard Hinnant
34d6b19721 LWG 1325 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:53:14 +00:00
Howard Hinnant
7b2cb48cc1 LWG 1323 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:11:40 +00:00
Howard Hinnant
cd2254b454 LWG 1191 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119545 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:52:17 +00:00
Howard Hinnant
86ed8aefb2 LWG 1118 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119541 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:22:43 +00:00
Howard Hinnant
e32b5e2f23 Update <string> to use allocator_traits. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119522 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 17:55:08 +00:00
Howard Hinnant
b64f8b07c1 license change 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 22:09:02 +00:00
Howard Hinnant
28dbbe0596 Dave Zarzycki showed how the efficiency of shared_ptr could be significantly 
increased.  The following program is running 49% faster:

#include <iostream>
#include <memory>
#include <chrono>
#include <vector>
#include "chrono_io"

int main()
{
    typedef std::chrono::high_resolution_clock Clock;
    Clock::time_point t0 = Clock::now();
    {
        std::shared_ptr<int> p(new int (1));
        std::vector<std::shared_ptr<int> > v(1000000, p);
        v.insert(v.begin(), p);
        v.insert(v.begin(), p);
        v.insert(v.begin(), p);
        v.insert(v.begin(), p);
    }
    Clock::time_point t1 = Clock::now();
    std::cout << (t1-t0) << '\n';
}


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 21:33:17 +00:00
Howard Hinnant
726a76fb47 I have reverted all contributions made by Jesse Towner in revision 110724 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 21:10:23 +00:00
Howard Hinnant
4e59948249 Fixed bug in random_shuffle to avoid swapping with self 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@117098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 15:26:39 +00:00
Howard Hinnant
bce9c3132d [atomics.types.address] 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@117033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-21 17:44:19 +00:00
Howard Hinnant
5bbe97ddaa atomic_schar, atomic_uchar, atomic_short, atomic_ushort, atomic_int, atomic_uint, atomic_long, atomic_ulong, atomic_llong, atomic_ullong, atomic_char16_t, atomic_char32_t and atomic_wchar_t. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 21:22:10 +00:00
Howard Hinnant
e738501eb3 atomic_char 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116813 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 16:51:18 +00:00
Howard Hinnant
21ef47f436 Changing <atomic> to follow Design A 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 20:39:07 +00:00
Howard Hinnant
5306d68019 Convert __thread_local_data to the singleton pattern 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 19:18:04 +00:00
Howard Hinnant
8177207f3c Bug 7983 fixed by Bernhard Rosenkraenzer 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116487 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 17:11:39 +00:00
Howard Hinnant
3c143ad882 Patch by Marshall Clow to make the assignment operators of piecewise_constant_distribution and piecewise_linear_distribution exception safe. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 14:37:09 +00:00