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* Convert `raw_hash_set` comments from imperative to indicative mood.Gravatar Bradley C. Kuszmaul2023-05-31
| | | | https://google.github.io/styleguide/cppguide.html#Function_Comments
* Merge pull request #1462 from kuszmaul:fix-typoGravatar Copybara-Service2023-05-31
|\ | | | | | | | | PiperOrigin-RevId: 536785792 Change-Id: I2963dea81a75b01b7275d784f6a2908816d0c7bf
| * Typo gardeningGravatar Bradley C. Kuszmaul2023-05-30
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* | Add support for stateful allocators to absl::FixedArray.Gravatar Abseil Team2023-05-26
| | | | | | | | | | PiperOrigin-RevId: 535534819 Change-Id: Iccf8da3e0b084131e4c0dba205f3e190d3a66f4e
* | Migrate most RAW_LOGs and RAW_CHECKs in tests to regular LOG and CHECK.Gravatar Andy Getzendanner2023-05-23
|/ | | | | | | | | | | The non-RAW_ versions provide better output but weren't available when most of these tests were written. There are just a couple spots where RAW_ is actually needed, e.g. signal handlers and malloc hooks. Also fix a couple warnings in layout_test.cc newly surfaced because the optimizer understands CHECK_XX differently than INTERNAL_CHECK. PiperOrigin-RevId: 534584435 Change-Id: I8d36fa809ffdaae5a3813064bd602cb8611c1613
* Add tests for btrees in which slot_type is overaligned and slot_type is ↵Gravatar Evan Brown2023-05-04
| | | | | | | | | equal to field_type. Also do some minor refactoring in btree.h. PiperOrigin-RevId: 529460378 Change-Id: I278833ada93bbb7652e149fceed08ce3485e4312
* Add lifetimebound attribute to more Abseil container methods and remove them ↵Gravatar Abseil Team2023-05-04
| | | | | | | from internal ones. PiperOrigin-RevId: 529423722 Change-Id: Ib1cc427299100956c0f2ae6cb5214467ef5a3790
* Add lifetimebound attribute to some Abseil containersGravatar Abseil Team2023-05-03
| | | | | PiperOrigin-RevId: 529119690 Change-Id: If585274c409e2a344c8d60759da6f8f990023d29
* Merge pull request #1441 from Vertexwahn:fix-spelling3Gravatar Copybara-Service2023-05-03
|\ | | | | | | | | PiperOrigin-RevId: 529086715 Change-Id: Id5462322d5707a1b4475438520fcb70ee7b15450
| * Fix spelling mistakesGravatar Vertexwahn2023-05-02
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* Add pointer-stability validation in btree.Gravatar Evan Brown2023-05-02
| | | | | | | When we insert a new element, when ASan is enabled, we replace the node that the new element is on in order to try to detect cases of code depending on pointer/reference-stability. PiperOrigin-RevId: 528826645 Change-Id: Ie5c15c13016a8aa831a0d1edc3ad33c1f5ca4d65
* Merge pull request #1434 from Vertexwahn:fix-spellingGravatar Copybara-Service2023-04-25
|\ | | | | | | | | PiperOrigin-RevId: 527066823 Change-Id: Ifa1e9a43c7490b34f9f4dbfa12d3acbed6b49777
| * Fix some spelling mistakesGravatar Vertexwahn2023-04-24
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* Minor optimization in btree: avoid redundant stores to node->position when ↵Gravatar Evan Brown2023-04-20
| | | | | | | constructing nodes. PiperOrigin-RevId: 525792213 Change-Id: I4386385e6e05d74a4ccc18cea505530e919f0e28
* In debug mode, detect cases of btree comparators that violate transitivity, ↵Gravatar Evan Brown2023-04-12
| | | | | | | | | i.e. comp(A,B) && comp(B,C) -> comp(A,C). When inserting a new element, we verify that the key is ordered correctly with respect to all the other values on the node, which can be done in constant time. PiperOrigin-RevId: 523729309 Change-Id: Idb5a5912a9aa5411d086cb9fa76791523046778a
* Replace absl::type_traits_internal::is_trivially_copyable withGravatar Derek Mauro2023-04-12
| | | | | | | std::is_trivially_copyable PiperOrigin-RevId: 523724345 Change-Id: Id68c79c3bbb253d892bdef4659ac8a926e023d12
* inlined_vector: fix incorrect restrictions on the copy constructor fast path.Gravatar Aaron Jacobs2023-04-11
| | | | | | | This has nothing to do with copy assignment or with destruction. PiperOrigin-RevId: 523576913 Change-Id: Iddb6ab73bcfd8b01a29880cdf4db4bc2b5aead8a
* inlined_vector: fix incorrect restrictions on the swap fast path.Gravatar Aaron Jacobs2023-04-11
| | | | | | | This has nothing to do with copy construction or copy assignment. PiperOrigin-RevId: 523571907 Change-Id: I338b5a40616594406ca8c80b747540c8935798e9
* inlined_vector: fix incorrect restrictions on the move-assignment fast path.Gravatar Aaron Jacobs2023-04-11
| | | | | | | This has nothing to do with copy construction or copy assignment. PiperOrigin-RevId: 523557887 Change-Id: I332d6ceaf738305157605f1271cb577a83d198c5
* inlined_vector: relax the requirements on the move-construction fast path.Gravatar Aaron Jacobs2023-04-11
| | | | | | | | | Don't require a trivial move constructor and trivial destructor. This excludes types that have declared themselves trivially relocatable by another means, like std::unique_ptr. Instead use "is trivially relocatable" directly, which includes all previous types as well as those that have opted in. PiperOrigin-RevId: 523557136 Change-Id: Icea2dbb8f36f99623308155f2e5b1edd8e5bd36b
* Add heterogeneous lookup support for wstring/u16string/u32string.Gravatar Abseil Team2023-04-03
| | | | | PiperOrigin-RevId: 521556211 Change-Id: I1e1812eb11bfc5772abbf38ce348580c3afa5612
* inlined_vector: optimize the move-assignment fast path.Gravatar Aaron Jacobs2023-03-31
| | | | | | | | We know that the elements are trivially destructible if this path is used, so there is no need to call their destructors one by one. PiperOrigin-RevId: 521088624 Change-Id: I3edff97a073770f99031eefa7a34968fad5d7880
* inlined_vector: stop sharing the memcpy-based move-assignment path.Gravatar Aaron Jacobs2023-03-31
| | | | | | | | | The fact that this is called from paths where the element type may not have a trivial destructor is preventing an optimization (see the TODO). Stop calling from those paths so that the optimization can be made in an upcoming CL. PiperOrigin-RevId: 521087730 Change-Id: Id2b66d8f36bb0d294784d0793fdd8f07e315739f
* inlined_vector: remove excess restrictions on copy constructor fast path.Gravatar Aaron Jacobs2023-03-31
| | | | | | | | The copy constructor isn't doing or simulating copy assignment; nor is it destroying anything. We don't need to require that those operations be trivial. PiperOrigin-RevId: 521020499 Change-Id: I0f36a720384b333ea15e6c8275872fd4fd9a738f
* inlined_vector: fix incorrect conditions for move constructor fast paths.Gravatar Aaron Jacobs2023-03-29
| | | | | | | | | These have nothing to do with copy construction or copy assignment, and using "is trivially copy constructible" can in theory even give the wrong result if the copy constructor is trivial but the move constructor is not. PiperOrigin-RevId: 520488816 Change-Id: I6da4d57f3ce23b03044e0bf9aa70a14b51651fa3
* inlined_vector: destroy all types with trivial destructors efficiently.Gravatar Aaron Jacobs2023-03-27
| | | | | | | | | There's no reason to require the type to be trivially copy-constructible/assignable in order to avoid running destructors—those traits have nothing to do with destruction. PiperOrigin-RevId: 519822201 Change-Id: I2ed7bbb53f0c1a512017115ff29fb27a24c6b11a
* inlined_vector: get rid of IsMemcpyOk.Gravatar Abseil Team2023-03-24
| | | | | | | | | | | | | | This type trait had no precise definition, and indeed not even any documentation at all. Giving the ill-defined concept a name was harmful, because it obscured several places where the concept was used too conservatively, or even flat-out incorrectly. This CL has no behavior change: it simply expands IsMemcpyOk to the same conditions it previously had. It leaves TODOs for each place where this was too conservative or incorrect. PiperOrigin-RevId: 519278325 Change-Id: I25bc89f299f6e40b5c3bce7370ed90f33a95612f
* inlined_vector_test: add coverage of moving vectors of unique pointers.Gravatar Abseil Team2023-03-24
| | | | | | | | std::unique_ptr is trivially relocatable, but not trivially destructible. This will be important coverage to ensure correctness of upcoming commit(s) that expand the use of memcpy to more trivially relocatable types. PiperOrigin-RevId: 519270234 Change-Id: I8e584a405633dac89bf1f67eab8145971d2ddab2
* Use multiple empty generations so that we can detect when iterators from ↵Gravatar Evan Brown2023-03-02
| | | | | | | different empty hashtables are compared. PiperOrigin-RevId: 513568915 Change-Id: I3f387d0bae0e86749dff540e4fdd5037304ac975
* Optimize ConvertSpecialToEmptyAndFullToDeleted on ArmGravatar Connal de Souza2023-02-23
| | | | | | | BM_DropDeletes 73.4µs ± 0% 68.9µs ± 1% -6.22% (p=0.008 n=5+5) PiperOrigin-RevId: 511813266 Change-Id: Id28cece454d583e2dfe060e27cfc4720f987f009
* Merge pull request #1402 from AtariDreams:workaroundGravatar Copybara-Service2023-02-22
|\ | | | | | | | | PiperOrigin-RevId: 511695308 Change-Id: I502cdc75e993582eaca5cd91ed068238936a9640
* | Resolve TODO: remove C++11 workaroundsGravatar Rose2023-02-22
| | | | | | | | We no longer support C++11 as per the Google C++ support documentation: we support C++14 and up, so we can remove these workarounds.
* | Refactor swisstable iterator debug messages code. The motivations are (a) ↵Gravatar Evan Brown2023-02-21
| | | | | | | | | | | | | | distinguish between the "likely erased" and "could have rehashed" cases when generations are enabled, (b) suggest running under ASan when generations aren't enabled and doing so would narrow down the possible error cases, and (c) make ABSL_INTERNAL_ASSERT_IS_FULL not be a macro. PiperOrigin-RevId: 511255275 Change-Id: I5a44a813cd310837d0bd0209d2187b100be201e7
| * Remove workaround for gcc 5.1Gravatar Rose2023-02-21
|/ | | | We support GCC 7 and up, so we can remove this.
* Make default-constructed swisstable iterators use EmptyGroup() for ctrl_ so ↵Gravatar Evan Brown2023-02-14
| | | | | | | that we can distinguish between end() iterators and default-constructed iterators in debug mode. PiperOrigin-RevId: 509606271 Change-Id: I77b68590b3904a4cf7809b75d814d74cb89603b6
* Workaround MSan false positive.Gravatar Abseil Team2023-02-10
| | | | | | | | | On Linux Kernels >= 5.4 MSan reports a false positive when accessing thread local storage data from loaded libraries. This was reported on Chromium (which on some build configurations uses absl as a dynamic library). More info here: crbug.com/1414573. PiperOrigin-RevId: 508645053 Change-Id: I5d5a97e1ee7230cc23f3934a4ec5594b883918b4
* In sanitizer mode, detect when end iterators from different swisstables are ↵Gravatar Evan Brown2023-02-09
| | | | | | | | | compared. We change AssertSameContainer to be after AssertIsValidForComparison calls so that we can have more specific failure messages. PiperOrigin-RevId: 508472485 Change-Id: Iff2f7512086948a4aca7fd403596e8d4fde53b2a
* Fix missing includes/dependenciesGravatar Derek Mauro2023-02-02
| | | | | PiperOrigin-RevId: 506622658 Change-Id: I17ae2d97a6cadb7bdd8ebd0ec0dd3976568cb7e1
* Rollforward: in sanitizer mode, detect when references become invalidated by ↵Gravatar Evan Brown2023-02-01
| | | | | | | | | randomly rehashing on insertions when there is no reserved growth. Rollforward of ed59f62f8bbc5f05bcba2f89ee16f107e03813f2 PiperOrigin-RevId: 506314970 Change-Id: I7a654aef36bb169da9ea5c618789ee771f05fe28
* Rollback in sanitizer mode, detect when references become invalidated by ↵Gravatar Abseil Team2023-01-31
| | | | | | | | | randomly rehashing on insertions when there is no reserved growth. Rollback of ed59f62f8bbc5f05bcba2f89ee16f107e03813f2 PiperOrigin-RevId: 506003574 Change-Id: I1766321f279a3226e2821e0390387d5639d28964
* In sanitizer mode, detect when references become invalidated by randomly ↵Gravatar Evan Brown2023-01-30
| | | | | | | rehashing on insertions when there is no reserved growth. PiperOrigin-RevId: 505807487 Change-Id: I9051a04f6a75e579d16e9ae8defd404bcc377fba
* Replace absl::base_internal::Prefetch* calls with absl::Prefetch* callsGravatar Martijn Vels2023-01-27
| | | | | PiperOrigin-RevId: 505184961 Change-Id: I64482558a76abda6896bec4b2d323833b6cd7edf
* Sort CMakeList deps for raw_hash_set and raw_hash_set_test.Gravatar Evan Brown2023-01-23
| | | | | PiperOrigin-RevId: 504045295 Change-Id: I110d4573087358e17a719def29e8037adfac6d15
* Add CodegenAbslRawHashSetStringFindNeEnd function, which is useful because ↵Gravatar Evan Brown2023-01-20
| | | | | | | the find isn't inlined but the iterator comparison is. PiperOrigin-RevId: 503473637 Change-Id: I02b8d95b7a1b738314c4f07a863c7606f822f079
* In sanitizer mode, detect when references become invalidated after reserved ↵Gravatar Evan Brown2023-01-17
| | | | | | | growth runs out. PiperOrigin-RevId: 502625638 Change-Id: I1c06b2162dbdaaa6a36cea503ac6d07cd157b2e2
* In sanitizer mode, detect when invalidated iterators are compared.Gravatar Evan Brown2023-01-05
| | | | | PiperOrigin-RevId: 499964205 Change-Id: I45a1d62a5e093921946e7c3c7ab31480252b330e
* Fix a bug in iterator validation code in which we don't update the table's ↵Gravatar Evan Brown2022-12-22
| | | | | | | reserved growth if the reservation wouldn't grow the table. PiperOrigin-RevId: 497246219 Change-Id: I9671236f56d10851c49de71c21899368be6c3a00
* Update `FixedArray` doc comments to match actual template param namesGravatar Lawrence Wolf-Sonkin2022-12-22
| | | | | | | | | | * The template parameter provided to `FixedArray` for the number of inline elements is named `N` * If left defaulted, which is recommended, `FixedArray` chooses the number of inline elements by itself * The `inline_elements` static class member contains the actual number of inlinable elements * Previously the docs referred to the template parameter as `inline_elements` instead of `N`. PiperOrigin-RevId: 497185546 Change-Id: I321092826d956704c0074062d2a7b924b28e36d0
* Restrict visibility of absl/container:hash_function_defaults.Gravatar Chris Kennelly2022-12-19
| | | | | PiperOrigin-RevId: 496514638 Change-Id: I45b8dfe01c83915c460711339d2d8c38604c8d81
* In sanitizer mode, add generations to swisstable iterators and backing ↵Gravatar Evan Brown2022-12-19
| | | | | | | arrays so that we can detect invalid iterator use. PiperOrigin-RevId: 496455788 Change-Id: I83df92828098a3ef1181b4e454f3ac5d3ac7a2f2
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