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* Merge clang, llvm, lld, lldb, compiler-rt and libc++ 5.0.0 release.dim2018-02-211-48/+274
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MFC r309126 (by emaste): Correct lld llvm-tblgen dependency file name MFC r309169: Get rid of separate Subversion mergeinfo properties for llvm-dwarfdump and llvm-lto. The mergeinfo confuses Subversion enormously, and these directories will just use the mergeinfo for llvm itself. MFC r312765: Pull in r276136 from upstream llvm trunk (by Wei Mi): Use ValueOffsetPair to enhance value reuse during SCEV expansion. In D12090, the ExprValueMap was added to reuse existing value during SCEV expansion. However, const folding and sext/zext distribution can make the reuse still difficult. A simplified case is: suppose we know S1 expands to V1 in ExprValueMap, and S1 = S2 + C_a S3 = S2 + C_b where C_a and C_b are different SCEVConstants. Then we'd like to expand S3 as V1 - C_a + C_b instead of expanding S2 literally. It is helpful when S2 is a complex SCEV expr and S2 has no entry in ExprValueMap, which is usually caused by the fact that S3 is generated from S1 after const folding. In order to do that, we represent ExprValueMap as a mapping from SCEV to ValueOffsetPair. We will save both S1->{V1, 0} and S2->{V1, C_a} into the ExprValueMap when we create SCEV for V1. When S3 is expanded, it will first expand S2 to V1 - C_a because of S2->{V1, C_a} in the map, then expand S3 to V1 - C_a + C_b. Differential Revision: https://reviews.llvm.org/D21313 This should fix assertion failures when building OpenCV >= 3.1. PR: 215649 MFC r312831: Revert r312765 for now, since it causes assertions when building lang/spidermonkey24. Reported by: antoine PR: 215649 MFC r316511 (by jhb): Add an implementation of __ffssi2() derived from __ffsdi2(). Newer versions of GCC include an __ffssi2() symbol in libgcc and the compiler can emit calls to it in generated code. This is true for at least GCC 6.2 when compiling world for mips and mips64. Reviewed by: jmallett, dim Sponsored by: DARPA / AFRL Differential Revision: https://reviews.freebsd.org/D10086 MFC r318601 (by adrian): [libcompiler-rt] add bswapdi2/bswapsi2 This is required for mips gcc 6.3 userland to build/run. Reviewed by: emaste, dim Approved by: emaste Differential Revision: https://reviews.freebsd.org/D10838 MFC r318884 (by emaste): lldb: map TRAP_CAP to a trace trap In the absense of a more specific handler for TRAP_CAP (generated by ENOTCAPABLE or ECAPMODE while in capability mode) treat it as a trace trap. Example usage (testing the bug in PR219173): % proccontrol -m trapcap lldb usr.bin/hexdump/obj/hexdump -- -Cv -s 1 /bin/ls ... (lldb) run Process 12980 launching Process 12980 launched: '.../usr.bin/hexdump/obj/hexdump' (x86_64) Process 12980 stopped * thread #1, stop reason = trace frame #0: 0x0000004b80c65f1a libc.so.7`__sys_lseek + 10 ... In the future we should have LLDB control the trapcap procctl itself (as it does with ASLR), as well as report a specific stop reason. This change eliminates an assertion failure from LLDB for now. MFC r319796: Remove a few unneeded files from libllvm, libclang and liblldb. MFC r319885 (by emaste): lld: ELF: Fix ICF crash on absolute symbol relocations. If two sections contained relocations to absolute symbols with the same value we would crash when trying to access their sections. Add a check that both symbols point to sections before accessing their sections, and treat absolute symbols as equal if their values are equal. Obtained from: LLD commit r292578 MFC r319918: Revert r319796 for now, it can cause undefined references when linking in some circumstances. Reported by: Shawn Webb <shawn.webb@hardenedbsd.org> MFC r319957 (by emaste): lld: Add armelf emulation mode Obtained from: LLD r305375 MFC r321369: Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to 5.0.0 (trunk r308421). Upstream has branched for the 5.0.0 release, which should be in about a month. Please report bugs and regressions, so we can get them into the release. Please note that from 3.5.0 onwards, clang, llvm and lldb require C++11 support to build; see UPDATING for more information. MFC r321420: Add a few more object files to liblldb, which should solve errors when linking the lldb executable in some cases. In particular, when the -ffunction-sections -fdata-sections options are turned off, or ineffective. Reported by: Shawn Webb, Mark Millard MFC r321433: Cleanup stale Options.inc files from the previous libllvm build for clang 4.0.0. Otherwise, these can get included before the two newly generated ones (which are different) for clang 5.0.0. Reported by: Mark Millard MFC r321439 (by bdrewery): Move llvm Options.inc hack from r321433 for NO_CLEAN to lib/clang/libllvm. The files are only ever generated to .OBJDIR, not to WORLDTMP (as a sysroot) and are only ever included from a compilation. So using a beforebuild target here removes the file before the compilation tries to include it. MFC r321664: Pull in r308891 from upstream llvm trunk (by Benjamin Kramer): [CodeGenPrepare] Cut off FindAllMemoryUses if there are too many uses. This avoids excessive compile time. The case I'm looking at is Function.cpp from an old version of LLVM that still had the giant memcmp string matcher in it. Before r308322 this compiled in about 2 minutes, after it, clang takes infinite* time to compile it. With this patch we're at 5 min, which is still bad but this is a pathological case. The cut off at 20 uses was chosen by looking at other cut-offs in LLVM for user scanning. It's probably too high, but does the job and is very unlikely to regress anything. Fixes PR33900. * I'm impatient and aborted after 15 minutes, on the bug report it was killed after 2h. Pull in r308986 from upstream llvm trunk (by Simon Pilgrim): [X86][CGP] Reduce memcmp() expansion to 2 load pairs (PR33914) D35067/rL308322 attempted to support up to 4 load pairs for memcmp inlining which resulted in regressions for some optimized libc memcmp implementations (PR33914). Until we can match these more optimal cases, this patch reduces the memcmp expansion to a maximum of 2 load pairs (which matches what we do for -Os). This patch should be considered for the 5.0.0 release branch as well Differential Revision: https://reviews.llvm.org/D35830 These fix a hang (or extremely long compile time) when building older LLVM ports. Reported by: antoine PR: 219139 MFC r321719: Pull in r309503 from upstream clang trunk (by Richard Smith): PR33902: Invalidate line number cache when adding more text to existing buffer. This led to crashes as the line number cache would report a bogus line number for a line of code, and we'd try to find a nonexistent column within the line when printing diagnostics. This fixes an assertion when building the graphics/champlain port. Reported by: antoine, kwm PR: 219139 MFC r321723: Upgrade our copies of clang, llvm, lld and lldb to r309439 from the upstream release_50 branch. This is just after upstream's 5.0.0-rc1. MFC r322320: Upgrade our copies of clang, llvm and libc++ to r310316 from the upstream release_50 branch. MFC r322326 (by emaste): lldb: Make i386-*-freebsd expression work on JIT path * Enable i386 ABI creation for freebsd * Added an extra argument in ABISysV_i386::PrepareTrivialCall for mmap syscall * Unlike linux, the last argument of mmap is actually 64-bit(off_t). This requires us to push an additional word for the higher order bits. * Prior to this change, ktrace dump will show mmap failures due to invalid argument coming from the 6th mmap argument. Submitted by: Karnajit Wangkhem Differential Revision: https://reviews.llvm.org/D34776 MFC r322360 (by emaste): lldb: Report inferior signals as signals, not exceptions, on FreeBSD This is the FreeBSD equivalent of LLVM r238549. This serves 2 purposes: * LLDB should handle inferior process signals SIGSEGV/SIGILL/SIGBUS/ SIGFPE the way it is suppose to be handled. Prior to this fix these signals will neither create a coredump, nor exit from the debugger or work for signal handling scenario. * eInvalidCrashReason need not report "unknown crash reason" if we have a valid si_signo llvm.org/pr23699 Patch by Karnajit Wangkhem Differential Revision: https://reviews.llvm.org/D35223 Submitted by: Karnajit Wangkhem Obtained from: LLVM r310591 MFC r322474 (by emaste): lld: Add `-z muldefs` option. Obtained from: LLVM r310757 MFC r322740: Upgrade our copies of clang, llvm, lld and libc++ to r311219 from the upstream release_50 branch. MFC r322855: Upgrade our copies of clang, llvm, lldb and compiler-rt to r311606 from the upstream release_50 branch. As of this version, lib/msun's trig test should also work correctly again (see bug 220989 for more information). PR: 220989 MFC r323112: Upgrade our copies of clang, llvm, lldb and compiler-rt to r312293 from the upstream release_50 branch. This corresponds to 5.0.0 rc4. As of this version, the cad/stepcode port should now compile in a more reasonable time on i386 (see bug 221836 for more information). PR: 221836 MFC r323245: Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to 5.0.0 release (upstream r312559). Release notes for llvm, clang and lld will be available here soon: <http://releases.llvm.org/5.0.0/docs/ReleaseNotes.html> <http://releases.llvm.org/5.0.0/tools/clang/docs/ReleaseNotes.html> <http://releases.llvm.org/5.0.0/tools/lld/docs/ReleaseNotes.html> Relnotes: yes (cherry picked from commit 12cd91cf4c6b96a24427c0de5374916f2808d263)
* Update clang, llvm, lld, lldb, compiler-rt and libc++ to 4.0.0 release:dim2017-04-021-185/+302
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MFC r309142 (by emaste): Add WITH_LLD_AS_LD build knob If set it installs LLD as /usr/bin/ld. LLD (as of version 3.9) is not capable of linking the world and kernel, but can self-host and link many substantial applications. GNU ld continues to be used for the world and kernel build, regardless of how this knob is set. It is on by default for arm64, and off for all other CPU architectures. Sponsored by: The FreeBSD Foundation MFC r310840: Reapply 310775, now it also builds correctly if lldb is disabled: Move llvm-objdump from CLANG_EXTRAS to installed by default We currently install three tools from binutils 2.17.50: as, ld, and objdump. Work is underway to migrate to a permissively-licensed tool-chain, with one goal being the retirement of binutils 2.17.50. LLVM's llvm-objdump is intended to be compatible with GNU objdump although it is currently missing some options and may have formatting differences. Enable it by default for testing and further investigation. It may later be changed to install as /usr/bin/objdump, it becomes a fully viable replacement. Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D8879 MFC r312855 (by emaste): Rename LLD_AS_LD to LLD_IS_LD, for consistency with CLANG_IS_CC Reported by: Dan McGregor <dan.mcgregor usask.ca> MFC r313559 | glebius | 2017-02-10 18:34:48 +0100 (Fri, 10 Feb 2017) | 5 lines Don't check struct rtentry on FreeBSD, it is an internal kernel structure. On other systems it may be API structure for SIOCADDRT/SIOCDELRT. Reviewed by: emaste, dim MFC r314152 (by jkim): Remove an assembler flag, which is redundant since r309124. The upstream took care of it by introducing a macro NO_EXEC_STACK_DIRECTIVE. http://llvm.org/viewvc/llvm-project?rev=273500&view=rev Reviewed by: dim MFC r314564: Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to 4.0.0 (branches/release_40 296509). The release will follow soon. Please note that from 3.5.0 onwards, clang, llvm and lldb require C++11 support to build; see UPDATING for more information. Also note that as of 4.0.0, lld should be able to link the base system on amd64 and aarch64. See the WITH_LLD_IS_LLD setting in src.conf(5). Though please be aware that this is work in progress. Release notes for llvm, clang and lld will be available here: <http://releases.llvm.org/4.0.0/docs/ReleaseNotes.html> <http://releases.llvm.org/4.0.0/tools/clang/docs/ReleaseNotes.html> <http://releases.llvm.org/4.0.0/tools/lld/docs/ReleaseNotes.html> Thanks to Ed Maste, Jan Beich, Antoine Brodin and Eric Fiselier for their help. Relnotes: yes Exp-run: antoine PR: 215969, 216008 MFC r314708: For now, revert r287232 from upstream llvm trunk (by Daniil Fukalov): [SCEV] limit recursion depth of CompareSCEVComplexity Summary: CompareSCEVComplexity goes too deep (50+ on a quite a big unrolled loop) and runs almost infinite time. Added cache of "equal" SCEV pairs to earlier cutoff of further estimation. Recursion depth limit was also introduced as a parameter. Reviewers: sanjoy Subscribers: mzolotukhin, tstellarAMD, llvm-commits Differential Revision: https://reviews.llvm.org/D26389 This commit is the cause of excessive compile times on skein_block.c (and possibly other files) during kernel builds on amd64. We never saw the problematic behavior described in this upstream commit, so for now it is better to revert it. An upstream bug has been filed here: https://bugs.llvm.org/show_bug.cgi?id=32142 Reported by: mjg MFC r314795: Reapply r287232 from upstream llvm trunk (by Daniil Fukalov): [SCEV] limit recursion depth of CompareSCEVComplexity Summary: CompareSCEVComplexity goes too deep (50+ on a quite a big unrolled loop) and runs almost infinite time. Added cache of "equal" SCEV pairs to earlier cutoff of further estimation. Recursion depth limit was also introduced as a parameter. Reviewers: sanjoy Subscribers: mzolotukhin, tstellarAMD, llvm-commits Differential Revision: https://reviews.llvm.org/D26389 Pull in r296992 from upstream llvm trunk (by Sanjoy Das): [SCEV] Decrease the recursion threshold for CompareValueComplexity Fixes PR32142. r287232 accidentally increased the recursion threshold for CompareValueComplexity from 2 to 32. This change reverses that change by introducing a separate flag for CompareValueComplexity's threshold. The latter revision fixes the excessive compile times for skein_block.c. MFC r314907 | mmel | 2017-03-08 12:40:27 +0100 (Wed, 08 Mar 2017) | 7 lines Unbreak ARMv6 world. The new compiler_rt library imported with clang 4.0.0 have several fatal issues (non-functional __udivsi3 for example) with ARM specific instrict functions. As temporary workaround, until upstream solve these problems, disable all thumb[1][2] related feature. MFC r315016: Update clang, llvm, lld, lldb, compiler-rt and libc++ to 4.0.0 release. We were already very close to the last release candidate, so this is a pretty minor update. Relnotes: yes MFC r316005: Revert r314907, and pull in r298713 from upstream compiler-rt trunk (by Weiming Zhao): builtins: Select correct code fragments when compiling for Thumb1/Thum2/ARM ISA. Summary: Value of __ARM_ARCH_ISA_THUMB isn't based on the actual compilation mode (-mthumb, -marm), it reflect's capability of given CPU. Due to this: - use __tbumb__ and __thumb2__ insteand of __ARM_ARCH_ISA_THUMB - use '.thumb' directive consistently in all affected files - decorate all thumb functions using DEFINE_COMPILERRT_THUMB_FUNCTION() --------- Note: This patch doesn't fix broken Thumb1 variant of __udivsi3 ! Reviewers: weimingz, rengolin, compnerd Subscribers: aemerson, dim Differential Revision: https://reviews.llvm.org/D30938 Discussed with: mmel
* MFC r309124:dim2016-12-261-27/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Upgrade our copies of clang, llvm, lldb, compiler-rt and libc++ to 3.9.0 release, and add lld 3.9.0. Also completely revamp the build system for clang, llvm, lldb and their related tools. Please note that from 3.5.0 onwards, clang, llvm and lldb require C++11 support to build; see UPDATING for more information. Release notes for llvm, clang and lld are available here: <http://llvm.org/releases/3.9.0/docs/ReleaseNotes.html> <http://llvm.org/releases/3.9.0/tools/clang/docs/ReleaseNotes.html> <http://llvm.org/releases/3.9.0/tools/lld/docs/ReleaseNotes.html> Thanks to Ed Maste, Bryan Drewery, Andrew Turner, Antoine Brodin and Jan Beich for their help. Relnotes: yes MFC r309147: Pull in r282174 from upstream llvm trunk (by Krzysztof Parzyszek): [PPC] Set SP after loading data from stack frame, if no red zone is present Follow-up to r280705: Make sure that the SP is only restored after all data is loaded from the stack frame, if there is no red zone. This completes the fix for https://llvm.org/bugs/show_bug.cgi?id=26519. Differential Revision: https://reviews.llvm.org/D24466 Reported by: Mark Millard PR: 214433 MFC r309149: Pull in r283060 from upstream llvm trunk (by Hal Finkel): [PowerPC] Refactor soft-float support, and enable PPC64 soft float This change enables soft-float for PowerPC64, and also makes soft-float disable all vector instruction sets for both 32-bit and 64-bit modes. This latter part is necessary because the PPC backend canonicalizes many Altivec vector types to floating-point types, and so soft-float breaks scalarization support for many operations. Both for embedded targets and for operating-system kernels desiring soft-float support, it seems reasonable that disabling hardware floating-point also disables vector instructions (embedded targets without hardware floating point support are unlikely to have Altivec, etc. and operating system kernels desiring not to use floating-point registers to lower syscall cost are unlikely to want to use vector registers either). If someone needs this to work, we'll need to change the fact that we promote many Altivec operations to act on v4f32. To make it possible to disable Altivec when soft-float is enabled, hardware floating-point support needs to be expressed as a positive feature, like the others, and not a negative feature, because target features cannot have dependencies on the disabling of some other feature. So +soft-float has now become -hard-float. Fixes PR26970. Pull in r283061 from upstream clang trunk (by Hal Finkel): [PowerPC] Enable soft-float for PPC64, and +soft-float -> -hard-float Enable soft-float support on PPC64, as the backend now supports it. Also, the backend now uses -hard-float instead of +soft-float, so set the target features accordingly. Fixes PR26970. Reported by: Mark Millard PR: 214433 MFC r309212: Add a few missed clang 3.9.0 files to OptionalObsoleteFiles. MFC r309262: Fix packaging for clang, lldb and lld 3.9.0 During the upgrade of clang/llvm etc to 3.9.0 in r309124, the PACKAGE directive in the usr.bin/clang/*.mk files got dropped accidentally. Restore it, with a few minor changes and additions: * Correct license in clang.ucl to NCSA * Add PACKAGE=clang for clang and most of the "ll" tools * Put lldb in its own package * Put lld in its own package Reviewed by: gjb, jmallett Differential Revision: https://reviews.freebsd.org/D8666 MFC r309656: During the bootstrap phase, when building the minimal llvm library on PowerPC, add lib/Support/Atomic.cpp. This is needed because upstream llvm revision r271821 disabled the use of std::call_once, which causes some fallback functions from Atomic.cpp to be used instead. Reported by: Mark Millard PR: 214902 MFC r309835: Tentatively apply https://reviews.llvm.org/D18730 to work around gcc PR 70528 (bogus error: constructor required before non-static data member). This should fix buildworld with the external gcc package. Reported by: https://jenkins.freebsd.org/job/FreeBSD_HEAD_amd64_gcc/ MFC r310194: Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to 3.9.1 release. Please note that from 3.5.0 onwards, clang, llvm and lldb require C++11 support to build; see UPDATING for more information. Release notes for llvm, clang and lld will be available here: <http://releases.llvm.org/3.9.1/docs/ReleaseNotes.html> <http://releases.llvm.org/3.9.1/tools/clang/docs/ReleaseNotes.html> <http://releases.llvm.org/3.9.1/tools/lld/docs/ReleaseNotes.html> Relnotes: yes
* Update libc++ to 3.8.0. Excerpted list of fixes (with upstream revisiondim2016-05-261-17/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | numbers): r242679 Implement the plugin-based version of std::search. There are no searchers yet; those are coming soon. r242682 Implement the default searcher for std::experimental::search. r243728 Add <experimental/any> v2. r245330 implement more of N4258 - Cleaning up noexcept in the standard library. Specifically add new noexcept stuff to vector and string's move-assignment operations r245334 Fix PR22606 - Leak pthread_key with static storage duration to ensure all of thread-local destructors are called. r245335 Fix PR23589: std::function doesn't recognize null pointer to varargs function. r247036 Implementation of Boyer-Moore and Boyer-Moore-Horspool searchers for the LFTS. r249325 Implement LWG#2063, and update the issues links to point to the github generated pages r249738 Split <ctype.h> out of <cctype>. r249739 Split <errno.h> out of <cerrno>. r249740 Split <float.h> out of <cfloat>. r249741 Split <inttypes.h> out of <cinttypes>. r249742 Split <math.h> out of <cmath>. r249743 Split <setjmp.h> out of <csetjmp>. r249761 Split <stddef.h> out of <cstddef>. r249798 Split <stdio.h> out of <cstdio>. r249800 Split <stdlib.h> out of <cstdlib>. r249889 Split <wchar.h> out of <cwchar>. r249890 Split <wctype.h> out of <cwctype>. r249929 Split <string.h> out of <cstring>. r250254 ABI versioning macros for libc++. r251246 Fix LWG#2244: basic_istream::seekg r251247 Fix LWG#2127: Move-construction with raw_storage_iterator. r251253 Fix LWG#2476: scoped_allocator_adaptor is not assignable r251257 Fix LWG#2489: mem_fn() should be noexcept r251618 Implement P0004R1 'Remove Deprecated iostreams aliases' r251766 Implement the first part of P0006R0: Adopt Type Traits Variable Templates for C++17. r252195 Implement P0092R1 for C++1z r252350 Allow deque to handle incomplete types. r252406 More of P0006R0: type traits variable aliases for C++17. r252407 Implement LWG#2353: std::next is over-constrained r252905 Implement P0074: Making owner_less more flexible r253215 Implement P0013R1: Logical Operator Type Traits. r253274 Implement P0007: Constant View: A proposal for a std::as_const helper function template. r254119 Add static_assert to set/multiset/map/multimap/forward_list/deque that the allocator's value_type match the container's value_type. r254283 Implement more of P0006; Type Traits Variable Templates. r255941 LWG2485: get() should be overloaded for const tuple&&. r256325 Fix LWG Issue #2367 - Fixing std::tuple and std::pair's default constructors. r256652 Fix for ALL undefined behavior in <list>. r256859 First half of LWG#2354: 'Unnecessary copying when inserting into maps with braced-init syntax' Exp-run: antoine Relnotes: yes
* Pull in r255683 from upstream libc++ trunk (by Eric Fiselier):dim2016-03-271-19/+15
| | | | | | | | | | | | | | | | | | | | | | [libcxx] Enable noexcept for GCC 4.6 and greater Summary: This patch allows GCC 4.6 and above to use `noexcept` as opposed to `throw()`. Is it an ABI safe change to suddenly switch on `noexcept`? I imagine it must be because it's disabled in w/ clang in C++03 but not C++11. Reviewers: danalbert, jroelofs, mclow.lists Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D15516 This should fix errors from gcc 4.6 and higher when compiling llvm-cov and/or other llvm tools. Reported by: bdrewery
* Pull in r250279 from upstream libc++ trunk (by Eric Fiselier):dim2016-03-111-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | Fix GCC atomic implementation in C++03 Pull in r250802 from upstream libc++ trunk (by Eric Fiselier): Detect relaxed constexpr rules for gcc versions Pull in r255585 from upstream libc++ trunk (by Eric Fiselier): Fix various GCC mis-configurations for newer versions. This patch goes through and enables C++11 and C++14 features for newer GCC's. The main changes are: 1. Turn on variable templates. (Uses __cpp_variable_templates) 2. Assert atomic<Tp> is trivially copyable (Uses _GNUC_VER >= 501). 3. Turn on trailing return support for GCC. (Uses _GNUC_VER >= 404) 4. XFAIL void_t test for GCC 5.1 and 5.2. Fixed in GCC 6. Together, these should fix building clang 3.8.0 as part of building world with recent versions of gcc (e.g. the devel/*-xtoolchain-gcc ports).
* Update libc++ to 3.7.0 release.dim2015-09-161-47/+90
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* Import libc++ trunk r224926. This fixes a number of bugs, completesdim2015-01-151-24/+137
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | C++14 support[1], adds more C++1z features[2], and fixes the following LWG issues[3]: 1450: Contradiction in regex_constants 2003: String exception inconsistency in erase. 2075: Progress guarantees, lock-free property, and scheduling assumptions 2104: unique_lock move-assignment should not be noexcept 2112: User-defined classes that cannot be derived from 2132: std::function ambiguity 2135: Unclear requirement for exceptions thrown in condition_variable::wait() 2142: packaged_task::operator() synchronization too broad? 2182: Container::[const_]reference types are misleadingly specified 2186: Incomplete action on async/launch::deferred 2188: Reverse iterator does not fully support targets that overload operator& 2193: Default constructors for standard library containers are explicit 2205: Problematic postconditions of regex_match and regex_search 2213: Return value of std::regex_replace 2240: Probable misuse of term "function scope" in [thread.condition] 2252: Strong guarantee on vector::push_back() still broken with C++11? 2257: Simplify container requirements with the new algorithms 2258: a.erase(q1, q2) unable to directly return q2 2263: Comparing iterators and allocator pointers with different const-character 2268: Setting a default argument in the declaration of a member function assign of std::basic_string 2271: regex_traits::lookup_classname specification unclear 2272: quoted should use char_traits::eq for character comparison 2278: User-defined literals for Standard Library types 2280: begin / end for arrays should be constexpr and noexcept 2285: make_reverse_iterator 2288: Inconsistent requirements for shared mutexes 2291: std::hash is vulnerable to collision DoS attack 2293: Wrong facet used by num_put::do_put 2299: Effects of inaccessible key_compare::is_transparent type are not clear 2301: Why is std::tie not constexpr? 2304: Complexity of count in unordered associative containers 2306: match_results::reference should be value_type&, not const value_type& 2308: Clarify container destructor requirements w.r.t. std::array 2313: tuple_size should always derive from integral_constant<size_t, N> 2314: apply() should return decltype(auto) and use decay_t before tuple_size 2315: weak_ptr should be movable 2316: weak_ptr::lock() should be atomic 2317: The type property queries should be UnaryTypeTraits returning size_t 2320: select_on_container_copy_construction() takes allocators, not containers 2322: Associative(initializer_list, stuff) constructors are underspecified 2323: vector::resize(n, t)'s specification should be simplified 2324: Insert iterator constructors should use addressof() 2329: regex_match()/regex_search() with match_results should forbid temporary strings 2330: regex("meow", regex::icase) is technically forbidden but should be permitted 2332: regex_iterator/regex_token_iterator should forbid temporary regexes 2339: Wording issue in nth_element 2341: Inconsistency between basic_ostream::seekp(pos) and basic_ostream::seekp(off, dir) 2344: quoted()'s interaction with padding is unclear 2346: integral_constant's member functions should be marked noexcept 2350: min, max, and minmax should be constexpr 2356: Stability of erasure in unordered associative containers 2357: Remaining "Assignable" requirement 2359: How does regex_constants::nosubs affect basic_regex::mark_count()? 2360: reverse_iterator::operator*() is unimplementable [1] http://libcxx.llvm.org/cxx1y_status.html [2] http://libcxx.llvm.org/cxx1z_status.html [3] http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html Exp-run: antoine MFC after: 1 month
* Import patch from libc++ r197313 which allows using libc++ headers with gccbapt2014-10-131-0/+1
| | | | | Differential Revision: https://reviews.freebsd.org/D942 Reviewed by: imp
* An ABI incompatibility crept into the libc++ 3.4 import in r261283. Itdim2014-02-121-1/+1
| | | | | | | | | | | | | | | | | was caused by upstream libc++ commit r194536, which aimed to make the headers more standards-compliant, by making std::pair's copy constructor trivial. Unfortunately, this could cause certain C++ applications using shared libraries built against the previous version of libc++ to crash. Fix the ABI incompatibility by making std::pair's copy constructor non-trivial again. Please note: Any C++ applications or shared libraries built with libc++ between r261283 and this revision should be recompiled. Reported by: stefanf MFC after: 3 weeks X-MFC-With: r261283
* Import libc++ 3.4 release. This contains a lot of bugfixes, and somedim2014-01-301-26/+119
| | | | | | preliminary support for C++1y. MFC after: 3 weeks
* Import new libcxxrt / libc++. This brings some bug fixes, including a ↵theraven2013-07-101-3/+45
| | | | potential race condition for static initialisers.
* Merge libc++ trunk r180598. Contains several minor cleanups and bugdim2013-04-271-18/+29
| | | | | | fixes, no major changes. MFC after: 2 weeks
* Import new libc++ to head. Various small fixes and cleanups.theraven2013-02-071-0/+6
| | | | MFC after: 2 weeks
* Pull in r168610 from upstream libc++:dim2012-11-261-0/+3
| | | | | | | | | | | | | | | When using libc++ headers on FreeBSD, in combination with -std=c++98, -ansi or -std=c++03, the long long type is not supported. So in this case, several functions and types, like lldiv_t, strtoll(), are not declared. This should make it possible to use the libc++ headers in c++98 mode. Note: libc++ is originally designed as a c++0x or higher library, so you should still take care when using it with c++98 or c++03. Noted by: Yamaya Takashi <yamayan@kbh.biglobe.ne.jp> MFC after: 1 week
* Import new version of libc++ into base.theraven2012-11-131-4/+8
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* Import libc++ trunk r165949. Among other improvements and bug fixes,dim2012-10-221-12/+28
| | | | | | | | | | this has many visibility problems fixed, which should help with compiling certain ports that exercise C++11 mode (i.e. Firefox). Also, belatedly add the LICENSE.TXT and accompanying CREDITS.TXT files, which are referred to in all the source files. MFC after: 1 month
* Import new version of libc++. Among other improvements, this comes with antheraven2012-05-031-1/+3
| | | | | <atomic> header that works with clang 3.1 (and, importantly, the pre-3.1 snapshot currently in head)
* Import a slightly newer libc++, with some bugs fixed that were found by runningtheraven2012-03-141-0/+4
| | | | | | the test suite on FreeBSD. Approved by: dim (mentor)
* Import new versions of libcxxrt and libc++.theraven2012-03-141-2/+36
| | | | | | Please tests any C++ code you care about with -stdlib=libc++! Approved by: dim (mentor)
* Import libc++ / libcxxrt into base. Not build by default yet (usetheraven2011-11-251-0/+405
MK_LIBCPLUSPLUS=yes to enable). This is a work-in-progress. It works for me, but is not guaranteed to work for anyone else and may eat your dog. To build C++ using libc++, add -stdlib=libc++ to your CXX and LD flags. Bug reports welcome, bug fixes even more welcome... Approved by: dim (mentor)
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