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* Initial implementation of a utility for converting native data Nick Kledzik2012-12-121-0/+1
| | | | | | | | | | | | structures to and from YAML using traits. The first client will be the test suite of lld. The documentation will show up at: http://llvm.org/docs/YamlIO.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170019 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't explicitly require RTTI and EH.Joerg Sonnenberger2012-10-261-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166772 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r165652: "Remove unnecessary RTTI from the build."Sean Silva2012-10-101-0/+2
| | | | | | ... Apparently the RTTI is still necessary for some reason. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165654 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary RTTI from the build.Sean Silva2012-10-101-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165652 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial commit of new FileOutputBuffer support class. Nick Kledzik2012-08-011-0/+1
| | | | | | | | | Since the llvm::sys::fs::map_file_pages() support function it relies on is not yet implemented on Windows, the unit tests for FileOutputBuffer are currently conditionalized to run only on unix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161099 91177308-0d34-0410-b5e6-96231b3b80d8
* platform support for counting column widths and checking isprintSeth Cantrell2012-04-171-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154944 91177308-0d34-0410-b5e6-96231b3b80d8
* Goodbye, JSONParser...Manuel Klimek2012-04-171-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154930 91177308-0d34-0410-b5e6-96231b3b80d8
* Add YAML parser to Support.Michael J. Spencer2012-04-031-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153977 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite LLVM's generalized support library for hashing to follow the APIChandler Carruth2012-03-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of the proposed standard hashing interfaces (N3333), and to use a modified and tuned version of the CityHash algorithm. Some of the highlights of this change: -- Significantly higher quality hashing algorithm with very well distributed results, and extremely few collisions. Should be close to a checksum for up to 64-bit keys. Very little clustering or clumping of hash codes, to better distribute load on probed hash tables. -- Built-in support for reserved values. -- Simplified API that composes cleanly with other C++ idioms and APIs. -- Better scaling performance as keys grow. This is the fastest algorithm I've found and measured for moderately sized keys (such as show up in some of the uniquing and folding use cases) -- Support for enabling per-execution seeds to prevent table ordering or other artifacts of hashing algorithms to impact the output of LLVM. The seeding would make each run different and highlight these problems during bootstrap. This implementation was tested extensively using the SMHasher test suite, and pased with flying colors, doing better than the original CityHash algorithm even. I've included a unittest, although it is somewhat minimal at the moment. I've also added (or refactored into the proper location) type traits necessary to implement this, and converted users of GeneralHash over. My only immediate concerns with this implementation is the performance of hashing small keys. I've already started working to improve this, and will continue to do so. Currently, the only algorithms faster produce lower quality results, but it is likely there is a better compromise than the current one. Many thanks to Jeffrey Yasskin who did most of the work on the N3333 paper, pair-programmed some of this code, and reviewed much of it. Many thanks also go to Geoff Pike Pike and Jyrki Alakuijala, the original authors of CityHash on which this is heavily based, and Austin Appleby who created MurmurHash and the SMHasher test suite. Also thanks to Nadav, Tobias, Howard, Jay, Nick, Ahmed, and Duncan for all of the review comments! If there are further comments or concerns, please let me know and I'll jump on 'em. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151822 91177308-0d34-0410-b5e6-96231b3b80d8
* Update for the removal of Hashing.cpp.Jay Foad2012-02-231-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151249 91177308-0d34-0410-b5e6-96231b3b80d8
* Hashing.h - utilities for hashing various data types.Talin2012-02-181-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150890 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable streaming of bitcodeDerek Schuff2012-02-061-0/+2
| | | | | | | | | This CL delays reading of function bodies from initial parse until materialization, allowing overlap of compilation with bitcode download. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149918 91177308-0d34-0410-b5e6-96231b3b80d8
* Move Clang's file-level locking facility over to LLVM's supportDouglas Gregor2012-01-291-0/+1
| | | | | | | library, since it doesn't really have anything to do with Clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149203 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up the CMake build for the new files added in r146960, they'reChandler Carruth2011-12-201-0/+1
| | | | | | likely to stay either way that discussion ends up resolving itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146966 91177308-0d34-0410-b5e6-96231b3b80d8
* Adds a JSON parser and a benchmark (json-bench) to catch performance ↵Manuel Klimek2011-12-161-0/+1
| | | | | | regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146735 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the DataExtractor utility class.Benjamin Kramer2011-09-131-0/+1
| | | | | | | | | | It is an endian-aware helper that can read data from a StringRef. It will come in handy for DWARF parsing. This class is inspired by LLDB's DataExtractor, but is stripped down to the bare minimum needed for DWARF. Comes with unit tests! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139626 91177308-0d34-0410-b5e6-96231b3b80d8
* Move TargetRegistry and TargetSelect from Target to Support where they belong.Evan Cheng2011-08-241-0/+1
| | | | | | | These are strictly utilities for registering targets and components. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138450 91177308-0d34-0410-b5e6-96231b3b80d8
* Add BlockFrequency class.Jakub Staszak2011-07-251-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135992 91177308-0d34-0410-b5e6-96231b3b80d8
* Move TargetRegistry.cpp from lib/Support to lib/Target where it belongs.Chandler Carruth2011-07-221-1/+0
| | | | | | | | | | | | | | The header file was already properly located. The previous need for it in Support had to do with the version string printing which was fixed in r135757. Also update build dependencies where libraries that needed the functionality of the Target library (in the form of the TargetRegistry) were picking it up via Support. This is pretty pervasive, essentially every TargetInfo library (ARMInfo, etc) uses TargetRegistry, making it depend on Target. All of these were previously just sneaking by. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135760 91177308-0d34-0410-b5e6-96231b3b80d8
* Branch profiling: floating-point avoidance.Andrew Trick2011-06-111-0/+1
| | | | | | | | | | Patch by: Jakub Staszak! Introduces BranchProbability. Changes unsigned to uint32_t all over and uint64_t only when overflow is expected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132867 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert my previous patch. The cmake build had already been fixed.Rafael Espindola2011-05-191-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131606 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the cmake build.Rafael Espindola2011-05-181-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131602 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADT/IntEqClasses.h as a light-weight implementation of EquivalenceClasses.h.Jakob Stoklund Olesen2010-12-211-0/+1
| | | | | | | | | | This implementation already exists as ConnectedVNInfoEqClasses in LiveInterval.cpp, and it seems to be generally useful to have a light-weight way of forming equivalence classes of small integers. IntEqClasses doesn't allow enumeration of the elements in a class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122293 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Remove Alarm. It is unused (via local grep and google code search).Michael J. Spencer2010-12-071-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121160 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Add PathV2 implementation.Michael J. Spencer2010-11-291-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120329 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge System into Support.Michael J. Spencer2010-11-291-0/+50
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADT/IntervalMap.Jakob Stoklund Olesen2010-11-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a sorted interval map data structure for small keys and values with automatic coalescing and bidirectional iteration over coalesced intervals. Except for coalescing intervals, it provides similar functionality to std::map. It is however much more compact for small keys and values, and hopefully faster too. The container object itself can hold the first few intervals without any allocations, then it switches to a cache conscious B+-tree representation. A recycling allocator can be shared between many containers, even between containers holding different types. The IntervalMap is initially intended to be used with SlotIndex intervals for: - Backing store for LiveIntervalUnion that is smaller and faster than std::set. - Backing store for LiveInterval with less overhead than std::vector for typical intervals and O(N log N) merging of large intervals. 99% of virtual registers need 4 entries or less and would benefit from the small object optimization. - Backing store for LiveDebugVariable which doesn't exist yet, but will track debug variables during register allocation. This is a work in progress. Missing items are: - Performance metrics. - erase(). - insert() shrinkage. - clear(). - More performance metrics. - Simplification and detemplatization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119787 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Add ADT/IntervalMap.", GCC doesn't like it.Jakob Stoklund Olesen2010-11-191-1/+0
| | | | | | This reverts r119772. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119773 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ADT/IntervalMap.Jakob Stoklund Olesen2010-11-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a sorted interval map data structure for small keys and values with automatic coalescing and bidirectional iteration over coalesced intervals. Except for coalescing intervals, it provides similar functionality to std::map. It is however much more compact for small keys and values, and hopefully faster too. The container object itself can hold the first few intervals without any allocations, then it switches to a cache conscious B+-tree representation. A recycling allocator can be shared between many containers, even between containers holding different types. The IntervalMap is initially intended to be used with SlotIndex intervals for: - Backing store for LiveIntervalUnion that is smaller and faster than std::set. - Backing store for LiveInterval with less overhead than std::vector for typical intervals and O(N log N) merging of large intervals. 99% of virtual registers need 4 entries or less and would benefit from the small object optimization. - Backing store for LiveDebugVariable which doesn't exist yet, but will track debug variables during register allocation. This is a work in progress. Missing items are: - Performance metrics. - erase(). - insert() shrinkage. - clear(). - More performance metrics. - Simplification and detemplatization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119772 91177308-0d34-0410-b5e6-96231b3b80d8
* Build with RTTI and exceptions disabled. Only in GCC for now.Oscar Fuentes2010-10-171-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116682 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak cmake build.John Thompson2010-10-071-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116003 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed a bunch of unnecessary target_link_libraries.Oscar Fuentes2010-09-281-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114999 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake build.Benjamin Kramer2010-08-201-1/+0
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* Unbreak my CMake build, say you'll compile for me again...Douglas Gregor2010-07-281-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109598 91177308-0d34-0410-b5e6-96231b3b80d8
* ADT: Add DAGDeltaAlgorithm, which is a DAG minimization algorithm built on ↵Daniel Dunbar2010-06-081-0/+1
| | | | | | | | top of the standard 'delta debugging' algorithm. - This can give substantial speedups in the delta process for inputs we can construct dependency information for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105612 91177308-0d34-0410-b5e6-96231b3b80d8
* De-bork CMake buildDouglas Gregor2009-12-231-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92003 91177308-0d34-0410-b5e6-96231b3b80d8
* now that libsystem no longer uses SmallVector, we can move Chris Lattner2009-12-161-0/+1
| | | | | | | | SmallVectorBase::grow_pod out of line, finally satisfying PR3758. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91529 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an implementation of the delta debugging algorithm.Daniel Dunbar2009-12-031-0/+1
| | | | | | | - This is a pretty slow / memory intensive implementation, and I will likely change it to an iterative model, but it works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90447 91177308-0d34-0410-b5e6-96231b3b80d8
* Add StringRef::{rfind, rsplit}Daniel Dunbar2009-09-161-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82087 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake files.Ted Kremenek2009-09-111-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81577 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake files.Ted Kremenek2009-09-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80680 91177308-0d34-0410-b5e6-96231b3b80d8
* Add regular expression matching support, based on OpenBSD regexec()/regcomp()Torok Edwin2009-08-301-0/+6
| | | | | | | implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80493 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: updated list of source files.Oscar Fuentes2009-08-251-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79959 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Updated library dependencies and list of source files.Oscar Fuentes2009-08-231-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79876 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake files.Ted Kremenek2009-07-311-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77709 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMakeDaniel Dunbar2009-07-241-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76957 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake file.Ted Kremenek2009-07-151-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75746 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake file.Ted Kremenek2009-07-141-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75677 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix build.Mike Stump2009-07-071-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74936 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix linking of llvm-ld and lli with CMake, from Xerxes RånbyDouglas Gregor2009-06-261-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74285 91177308-0d34-0410-b5e6-96231b3b80d8
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