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* The test I cnecked in to check the fix for PR#24890 failed (as expected) w/o ↵Marshall Clow2015-09-221-0/+1
| | | | | | the fix, but for the wrong reason. Now it fails for the right reason. llvm-svn: 248307
* Check in the test for PR#24890 that I forgot in previous commitMarshall Clow2015-09-221-0/+18
| | | | llvm-svn: 248305
* Suppress some warnings in the tests that snuck in. That 'tmpnam' is ↵Marshall Clow2015-09-152-1/+2
| | | | | | deprecated doesn't change the fact that we have to test it. llvm-svn: 247704
* Change initialization of mbstate_t objects in tests from '= {0}' to '= {}', ↵Marshall Clow2015-09-1519-21/+21
| | | | | | which does the same thing, w/o having clang and gcc warn with -Wall. llvm-svn: 247695
* Implementation of Boyer-Moore and Boyer-Moore-Horspool searchers for the LFTS.Marshall Clow2015-09-089-0/+1035
| | | | llvm-svn: 247036
* make common_type SFINAE-friendly and support void. Patch from Agustin Berge.Eric Fiselier2015-09-081-4/+54
| | | | | | | This patch also fixes PR22135. (https://llvm.org/bugs/show_bug.cgi?id=22135) See the review for more information: http://reviews.llvm.org/D6964 llvm-svn: 246977
* Move __lazy_* metafunctions to type traits and add testsEric Fiselier2015-08-312-1/+153
| | | | llvm-svn: 246408
* Suppress clang warnings in some testsEric Fiselier2015-08-309-28/+55
| | | | llvm-svn: 246399
* Remove task to get C++03 tests passing from TODO.txtEric Fiselier2015-08-301-1/+1
| | | | llvm-svn: 246392
* Finally get the test suite passing in C++03!!Eric Fiselier2015-08-284-3/+12
| | | | | | | | | After months of work there are only 4 tests still failing in C++03. This patch fixes those tests. All of the libc++ builders should be green. llvm-svn: 246275
* Remove empty file that arcanist createdEric Fiselier2015-08-281-0/+0
| | | | llvm-svn: 246273
* [libcxx] Mark most test/std/future tests as UNSUPPORTED in C++03Eric Fiselier2015-08-2839-603/+356
| | | | | | | | | | | | | | | | | | | | Summary: This patch marks *most* tests for `std::promise`, `std::future` and `std::shared_future` as unsupported in C++03. These tests fail in C++03 mode because they attempt to copy a `std::future` even though it is a `MoveOnly` type. AFAIK the missing move-semantics in `std::future` is the only reason these tests fail but without move semantics these classes are useless. For example even though `std::promise::set_value` and `std::promise::set_exception(...)` work in C++03 `std::promise` is still useless because we cannot call `std::promise::get_future(...)`. It might be possible to hack `std::move(...)` like we do for `std::unique_ptr` to make the move semantics work but I don't think it is worth the effort. Instead I think we should leave the `<future>` header as-is and mark the failing tests as `UNSUPPORTED`. I don't believe there are any users of `std::future` or `std::promise` in C++03 because they are so unusable. Therefore I am not concerned about losing test coverage and possibly breaking users. However because there are still parts of `<future>` that work in C++03 it would be wrong to `#ifdef` out the entire header. @mclow.lists Should we take further steps to prevent the use of `std::promise`, `std::future` and `std::shared_future` in C++03? Note: This patch also cleans up the tests and converts them to use `support/test_allocator.h` instead of a duplicate class in `test/std/futures/test_allocator.h`. Reviewers: mclow.lists Subscribers: vsk, mclow.lists, cfe-commits Differential Revision: http://reviews.llvm.org/D12135 llvm-svn: 246271
* Fix bug in test_allocator<void> that used the wrong value to represent ↵Eric Fiselier2015-08-281-2/+2
| | | | | | object state llvm-svn: 246270
* [libcxx] Add special warning flag detection logic to compiler.pyEric Fiselier2015-08-262-6/+30
| | | | | | | | | | | | Summary: Detecting `-Wno-<warning>` flags can be tricky with GCC (See https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html). This patch adds a special `addWarningFlagIfSupported(<flag>)` method to the test compiler object that can be used to add warning flags. The goal of this patch is to help get the test suite running with more warnings. Reviewers: danalbert, jroelofs Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11333 llvm-svn: 246069
* [libcxx] Rewrite C++03 __invoke.Eric Fiselier2015-08-262-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch rewrites the C++03 `__invoke` and related meta-programming. There are a number of major changes. `__invoke` in C++03 now has a fallback overload for when the invoke expression is ill-formed (similar to C++11). This means that the `__invoke_return` traits will return `__nat` when `__invoke(...)` is ill formed. This would previously cause a compile error. Bullets 1-4 of `__invoke` have been rewritten. In the old version `__invoke` had 32 overloads for bullets 1 and 2, one for each possible cv-qualified function signature with arities 0-3. 64 overloads would be needed to support member functions with varargs. Currently these overloads were fundamentally broken. An example overload looked like: ``` template <class Rp, class Tp, class T1, class A0> Rp __invoke(Rp (Tp::*pm)(A0) const, T1&, A0&) ``` Because `A0` appeared in two different deducible contexts it would have to deduce to be an exact match or the overload would be rejected. This is made even worse because `A0` appears without a reference qualifier in the member function signature and with a reference qualifier as an `__invoke` parameter. This means that only member functions that took all of their arguments by value could be matched. One possible fix would be to make the second occurrence of `A0` appear in a non-deducible context. This way any type convertible to `A0` could be passed as the first parameter. The benefit of this approach is that the signature of the member function enforces the arity and types taken by the `__invoke` signature it generates. However nothing in the `INVOKE` specification requires this behavior. My solution is to use a `__invoke_enable_if<PM_Type, Tp>` metafunction to selectively enable the `__invoke` overloads for bullets 1, 2, 3 and 4. It uses `__member_function_traits` to inspect and extract the return type and class type of the pointer to member. Using `__member_function_traits` to inspect `PM_Type` also allows us to reduce the number of `__invoke` overloads from 32 to 8 and add varargs support at the same time. Because `__invoke_enable_if` knows the exact return type of `__invoke` for bullets 1-4 we no longer need to use `decltype(__invoke(...))` to compute the return type in the `__invoke_return*` traits. This will reduce the problems caused by `#define decltype(X) __typeof__(X)` in C++03. Tests for this change have already been committed. All tests in `test/std/utilities/function.objects` now pass in C++03, previously there were 20 failures. Reviewers: K-ballo, howard.hinnant, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11553 llvm-svn: 246068
* Refactor flaky shared_mutex testsEric Fiselier2015-08-264-22/+39
| | | | llvm-svn: 246055
* Remove XFAIL in test. The bug causing it has been fixed.Eric Fiselier2015-08-261-5/+0
| | | | llvm-svn: 246022
* Mark test as XFAIL with MSAN until D12311 gets committedEric Fiselier2015-08-251-0/+5
| | | | llvm-svn: 245922
* Refactor and fix more flaky shared_mutex testsEric Fiselier2015-08-256-37/+123
| | | | llvm-svn: 245918
* Move test/std/utilities/date.time to proper stable name utilities/time/date.timeEric Fiselier2015-08-245-0/+0
| | | | llvm-svn: 245877
* Misc drive-by cleanups. NFCJonathan Roelofs2015-08-243-1/+3
| | | | | | http://reviews.llvm.org/D12294 llvm-svn: 245876
* Fix a crasher found by libFuzzerMarshall Clow2015-08-241-0/+23
| | | | llvm-svn: 245849
* Recommit rL245802: Cleanup fancy pointer rebinding in list using ↵Eric Fiselier2015-08-231-0/+27
| | | | | | | | | | | | __rebind_pointer. Currently we need an #ifdef branch every time we use pointer traits to rebind a pointer because it is done differently in C++11 and C++03. This patch introduces the __rebind_pointer utility to clean this up. Also add a test that list and it's iterators can be instantiated with incomplete element types. llvm-svn: 245806
* Refactor shared_timed_mutex tests.Eric Fiselier2015-08-2221-146/+119
| | | | | | | First I removed all of the uses of _LIBCPP_STD_VER and added LIT UNSUPPORTED tags to prevent the tests from being run in older standard dialects. Second I increased the time tolerances used in some tests when testing with Thread Sanitizer because thread sanitizer make these tests take longer. llvm-svn: 245793
* Fix a typo: abreviated -> abbreviated - Patch from Kai ZhaoEric Fiselier2015-08-202-2/+2
| | | | llvm-svn: 245538
* Cleanup unique_ptr failure tests and convert them to Clang verifyEric Fiselier2015-08-208-217/+98
| | | | llvm-svn: 245529
* Fix one last dynarray testEric Fiselier2015-08-201-20/+25
| | | | llvm-svn: 245528
* Fix more uses of uninitialized values in dynarrayEric Fiselier2015-08-201-20/+21
| | | | llvm-svn: 245525
* Cleanup failing dynarray testsEric Fiselier2015-08-192-24/+52
| | | | llvm-svn: 245522
* Add files that got missed in r245512.Eric Fiselier2015-08-194-179/+89
| | | | llvm-svn: 245513
* More unique_ptr test cleanup. Fixes in <memory> to come later.Eric Fiselier2015-08-195-132/+114
| | | | llvm-svn: 245512
* Remove test_atomic.h headerEric Fiselier2015-08-194-119/+10
| | | | | | | Because <atomic> can now be used in C++03 there is no need for the test_atomic.h header. This commit removes the header and converts all usages to use <atomic> instead. llvm-svn: 245468
* Replace __asan_set_error_exit_code() with __sanitizer_set_death_callback()Alexey Samsonov2015-08-191-2/+7
| | | | | | | | | | | | Summary: We are going to remove the former soon. Reviewers: EricWF Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D12117 llvm-svn: 245467
* [libcxx] Allow use of <atomic> in C++03. Try 3.Eric Fiselier2015-08-1931-675/+270
| | | | | | | | | | | | | | | | | | | | | | | Summary: After putting this question up on cfe-dev I have decided that it would be best to allow the use of `<atomic>` in C++03. Although static initialization is a concern the syntax required to get it is C++11 only. Meaning that C++11 constant static initialization cannot silently break in C++03, it will always cause a syntax error. Furthermore `ATOMIC_VAR_INIT` and `ATOMIC_FLAG_INIT` remain defined in C++03 even though they cannot be used because C++03 usages will cause better error messages. The main change in this patch is to replace `__has_feature(cxx_atomic)`, which only returns true when C++ >= 11, to `__has_extension(c_atomic)` which returns true whenever clang supports the required atomic builtins. This patch adds the following macros: * `_LIBCPP_HAS_C_ATOMIC_IMP` - Defined on clang versions which provide the C `_Atomic` keyword. * `_LIBCPP_HAS_GCC_ATOMIC_IMP` - Defined on GCC > 4.7. We must use the fallback atomic implementation. * `_LIBCPP_HAS_NO_ATOMIC_HEADER` - Defined when it is not safe to include `<atomic>`. `_LIBCPP_HAS_C_ATOMIC_IMP` and `_LIBCPP_HAS_GCC_ATOMIC_IMP` are mutually exclusive, only one should be defined. If neither is defined then `<atomic>` is not implemented and including `<atomic>` will issue an error. Reviewers: chandlerc, jroelofs, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11555 llvm-svn: 245463
* Use TestAtomic instead of std::atomic so the test can run in C++03Eric Fiselier2015-08-191-2/+3
| | | | llvm-svn: 245415
* Mark std::packaged_task tests as unsupported in C++03.Eric Fiselier2015-08-1918-61/+45
| | | | | | | std::packaged_task requires variadic templates and is #ifdef out in C++03. This patch silences the tests in C++03. This patch also rewrites the .fail.cpp tests so that they use clang verify. llvm-svn: 245413
* [libcxx] Add Atomic test helper and fix TSAN failures.Eric Fiselier2015-08-188-136/+257
| | | | | | | | | | | | | | | | | | | Summary: This patch attempts to fix the last 3 TSAN failures on the libc++ bot (http://lab.llvm.org:8011/builders/libcxx-libcxxabi-x86_64-linux-ubuntu-tsan/builds/143). This patch also adds a `Atomic` test type that can be used where `<atomic>` cannot. `wait.exception.pass.cpp` and `wait_for.exception.pass.cpp` were failing because the test replaced `std::terminate` with `std::exit`. `std::exit` would asynchronously run the TLS and static destructors and this would cause a race condition. See PR22606 and D8802 for more details. This is fixed by using `_Exit` to prevent cleanup. `notify_all_at_thread_exit.pass.cpp` exercises the same race condition but for different reasons. I fixed this test by manually joining the thread before beginning program termination. Reviewers: EricWF, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11046 llvm-svn: 245389
* [libcxx] Fix PR23589: std::function doesn't recognize null pointer to ↵Eric Fiselier2015-08-181-0/+247
| | | | | | | | | | | | | | | | | | | | varargs function. Summary: This patch fixes __not_null's detection of nullptr by breaking it down into 4 cases. 1. `__not_null(Tp const&)`: Default case. Tp is not null. 2. `__not_null(Tp* __ptr);` Case for pointers to functions. 3. `__not_null(_Ret _Class::* __ptr);` Case for pointers to members. 4. `__not_null(function<Tp> const&);`: Cases for other std::functions. Reviewers: mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11111 llvm-svn: 245335
* implement more of N4258 - Cleaning up noexcept in the standard library. ↵Marshall Clow2015-08-183-4/+137
| | | | | | Specifically add new noexcept stuff to vector and string's move-assignment operations llvm-svn: 245330
* Fix failing unique_ptr tests.Eric Fiselier2015-07-312-38/+7
| | | | | | | | When I was refactoring the unique_ptr.single.ctor tests I added a test deleter, 'NCDeleter', to deleter.h. Other tests that include deleter.h redefine the NCDeleter type causing test failures. llvm-svn: 243733
* Start cleanup of unique_ptr tests.Eric Fiselier2015-07-3128-1575/+894
| | | | | | | | | | | | | | | | One of the last sections of tests that still fail in C++03 are the unique_ptr tests. This patch begins cleaning up the tests and fixing C++03 failures. The main changes of this patch: - The "Deleter" type in "deleter.h" tried to be "move-only" in C++03. However the move simulation no longer works (see "__rv"). "Deleter" is now copy constructible in C++03. However copying "Deleter" will "move" the test value instead of copying it. - Reduce the unique.ptr.single.ctor tests files from ~25 to 4. There is no reason the tests were split through so many files. llvm-svn: 243730
* [libcxx] Add <experimental/any> v2.Eric Fiselier2015-07-3126-0/+2260
| | | | | | | | | | | | | | | | Summary: This patch adds the second revision of <experimental/any>. I've been working from the LFTS draft found at this link. https://rawgit.com/cplusplus/fundamentals-ts/v1/fundamentals-ts.html#any Reviewers: danalbert, jroelofs, K-ballo, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D6762 llvm-svn: 243728
* Reapply working parts of CMake cleanup.Eric Fiselier2015-07-302-80/+43
| | | | | | | This patch adds the working parts of r243503. The difference with this patch is that it doesn't include the HandleLLVMOptions.cmake file. llvm-svn: 243698
* Change some #ifdefs to #if - thanks to Dexon for thge catch.Marshall Clow2015-07-302-4/+4
| | | | llvm-svn: 243641
* Revert recent CMake changes again due to failing compiler-rt buildsEric Fiselier2015-07-292-42/+80
| | | | llvm-svn: 243593
* Recommit r243503 "[libcxx] Cleanup CMake configuration and integrate with LLVM"Eric Fiselier2015-07-292-80/+42
| | | | | | | | | This change was reverted in r243550 because it broke clang-format builds (see PR24306). This patch recommits a fixed version of the original. llvm-svn: 243574
* Revert r243503 "[libcxx] Cleanup CMake configuration and integrate with LLVM"Hans Wennborg2015-07-292-42/+80
| | | | | | This caused clang-format to stop linking on Mac; see PR24306. llvm-svn: 243550
* Fix a self-move bug in inplace_merge. Thanks to Ted and Dexon for the report ↵Marshall Clow2015-07-292-10/+69
| | | | | | and the suggested fix. llvm-svn: 243530
* [libcxx] Cleanup CMake configuration and integrate with LLVMEric Fiselier2015-07-292-80/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch contains the following changes: 1. Require that libc++ can find a LLVM source directory. This is done the same way as `libc++abi` currently does. 2. Cleanup ugly configuration code in CMakeLists.txt by using `add_flags`, `add_flags_if`, and `add_flags_if_supported` macros. The goals for this patch are: 1. Help libc++ be more consistent with how LLVM handles CMake options (see PR23670 PR23671). 2. Make it easier to use sanitizers using the `LLVM_USE_SANITIZER` option. 3. Make libc++'s CMakeLists.txt file easier to understand and change. 4. Move towards allowing libc++ to create Sphinx documentation (see http://efcs.ca/libcxx-docs). 5. Move towards allowing libc++ to use other LLVM utilities such as `not` and `FileCheck`. Reviewers: mclow.lists, jroelofs, danalbert Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D11308 llvm-svn: 243503
* Remove sanitizer XFAILs on a test.Eric Fiselier2015-07-281-7/+0
| | | | llvm-svn: 243499
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