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v0.35.0dev
-----------
In development
v0.34.0 (August 12, 2020)
-------------------------
This release upgrades to LLVM 10 (10.0.1) for all platforms except `aarch64`
which will remain at LLVM 9 (9.0.1).
Pull requests:
* PR #596: Use std::make_unique on LLVM 10 (Cherry-Pick via #599)
* PR #606: Revert "Fix CUDA with LLVM9" (Cherry-Pick via #599)
* PR #599: LLVM 10
* PR #598: Fix flake in setup.py
* PR #602: add missing targets to wheels
* PR #614: Fix wheel building
* PR #616: fix release date in changelog
Authors:
* Graham Markall
* Michał Górny
* Siu Kwan Lam (core dev)
* Stuart Archibald (core dev)
* Valentin Haenel (core dev)
v0.33.0 (June 10, 2020)
-----------------------
This release upgrades to LLVM 9 and drops support for older LLVM versions.
Pull requests:
* PR #593: Fix CUDA with LLVM9
* PR #592: Fix meta.yaml
* PR #591: buildscripts: Unpin wheel
* PR #590: add python_requires to setup.py
* PR #582: Adds override for LLVM version check, re-formats docs.
* PR #581: Add FAQ entry on LLVM version support.
* PR #580: Trove classifiers may be out of date.
* PR #577: llvmlite wheel building fixes
* PR #575: Update the release date
* PR #548: Upgrade to LLVM9
* PR #521: Allow instructions to be removed from blocks
Authors:
* Graham Markall
* Jan Vesely
* Siu Kwan Lam (core dev)
* Stuart Archibald (core dev)
* Tim Babb
* Valentin Haenel (core dev)
v0.32.1 (May 7, 2020)
---------------------
This is a small patch release that addresses some packaging issues:
Pull requests:
* PR 580: Trove classifiers may be out of date.
* PR 581: Add FAQ entry on LLVM version support.
* PR 582: Adds override for LLVM version check, re-formats docs.
Authors:
* Stuart Archibald (core dev)
* Valentin Haenel (core dev)
v0.32.0 (Apr 16, 2020)
----------------------
The main changes in this release are the removal of specific code for Python 2
and Python <3.6, and making the code base PEP8 compliant.
Pull requests:
* PR #577: llvmlite wheel building fixes
* PR #560: ENH: Better error message
* PR #558: update install docs
* PR #556: binding: Allow empty features list
* PR #555: travis: Cleanup
* PR #554: azure-pipelines: Bump VM images.
* PR #552: Add paragraph on installing from sdist and on non-traditional
platforms.
* PR #551: Remove python 2, python < 3.6, fix up, add flake8
* PR #549: Miscalled method and missing parameter in the documentation
* PR #547: Permit building on Visual Studio 2017
* PR #543: Update error message in LLVM version check.
* PR #540: update to final release date for 0.31.0
Authors:
* Arik Funke
* Eric Larson
* Jan Vesely
* Shan Sikdar
* Siu Kwan Lam (core dev)
* Stan Seibert (core dev)
* Stuart Archibald (core dev)
* Vladislav Hrčka
v0.31.0 (Jan 2, 2020)
---------------------
This release switches memset/memcpy to use the 4 argument style as per LLVM 7+
and updates some documentation.
Commits:
* PR #485: Revert "Revert "LLVM 7 changed memset intrinsic signature, adjust
it""
* PR #520: Begin development of 0.31.0
* PR #528: Add cttz and ctlz to irbuilder docs.
* PR #533: Update deprecation docs with full deprecation of 5 arg memset/memcpy
* PR #535: Update docs to not report LLVM 3.8 as latest!
Authors:
* Isaac Virshup
* Siu Kwan Lam (core dev)
* Stuart Archibald (core dev)
v0.30.0 (Oct 9, 2019)
---------------------
This release adds support for half-precision float and schedules the
deprecation of memset/memcpy accepting 5 arguments (cf. LLVM change).
* PR #518: Fix use of -fPIC flag in wheels
* PR #513: Remove restriction on sphinx version from Anaconda distro
* PR #512: fix for block labels which contain "interesting" characters
* PR #511: Deprecate the use of memset/memcpy with alias
* PR #510: Add fp16 Intrinsics
* PR #509: Add Half-Precision Type
* PR #502: Add -fPIC flag for manylinux1 wheel building
* PR #491: Fix incorrect hierarchy in the documentation for ir.Constant.
* PR #474: Update docs
* PR #470: Fix leak on string returning APIs.
v0.29.0 (May 29, 2019)
----------------------
This release upgrades to LLVM 8.0 for all supported platforms except PPC64LE.
Due to numerous problems with LLVM 8.0 running on PPC64LE,
we have decided to use LLVM 7.1, which is more stable on PPC64LE.
In addition, non-host LLVM targets, AMDGPU, NVPTX, and WebAssembly, are enabled
and they are available in our `llvmlite` builds.
* PR #484: Revert "LLVM 7 changed memset intrinsic signature, adjust it"
* PR #483: Depend on enum34 using PEP 508 environment markers
* PR #478: Upgrade to llvm8
* PR #469: Support loading from current directory and egg files
* PR #467: Add missing fastmath flags from LLVM 7
* PR #460: LLVM 7 changed memset intrinsic signature, adjust it
v0.28.0 (Mar 12, 2019)
----------------------
This release adds a number of community contributed features, including
support for vector types, as well as atomic loads and stores.
* PR #322: Adding Vector Type
* PR #389: Add symbols from static object files
* PR #417: Add support for atomic loads/stores
* PR #422: Normalize replace_* behaviour and add docs
* PR #426: Fix pickling of IR functions and add tests
* PR #444: Setup manylinux1 buildscripts and CI
* PR #446: Document need for -p1 argument to patch command
* PR #448: Fix "SyntaxWarning: invalid escape sequence \d"
* PR #449: Consolidate the two vector type PRs
* PR #452: Some adjustments to pr426
* PR #454: Truncate long label names when adding label suffix.
* PR #458: Add changelog info about v0.27.1
v0.27.1 (Feb 1, 2019)
---------------------
Bugfix release for invalid wheel hash for OSX packages.
No change to source code.
v0.27.0 (Dec 28, 2018)
----------------------
This release updates llvmlite to LLVM 7. Note that LLVM 7.0.0 contains
a critical bug that is resolved with a patch included in the `llvmdev conda
package recipe`_. The final release of LLVM 7.0.1 may also resolve the issue.
* PR #434: Add another thread for RPi builds.
* PR #430: llvm lld integration, merge #428
* PR #428: Build LLD as part of the llvmdev package
* PR #413: Set up CI with Azure Pipelines
* PR #412: LLVM 7 support
.. _llvmdev conda package recipe: https://github.com/numba/llvmlite/tree/69aed71a829e6c552cca24a28c42abdf1efd2363/conda-recipes/llvmdev
v0.26.0 (Nov 27, 2018)
----------------------
The primary new features in this release is support for generation of Intel
JIT events, which makes profiling of JIT compiled code in Intel VTune
possible. This release also contains some minor build improvements for ARMv7,
and some small fixes.
LLVM 7 support was originally slated for this release, but had to be delayed
after some issues arose in testing. LLVM 6 is still required for llvmlite.
* PR #409: Use native cmake on armv7l
* PR #407: Throttle thread count for llvm build on armv7l.
* PR #403: Add shutdown detection to ObjectRef __del__ method.
* PR #400: conda recipe: add make as build dep
* PR #399: Add get_element_offset to TargetData
* PR #398: Fix gep method call on Constant objects
* PR #395: Fix typo in irbuilder documentation
* PR #394: Enable IntelJIT events for LLVM for VTune support
v0.25.0 (Sep 18, 2018)
----------------------
This release adds support for the FMA instruction, and has some documentation
and build improvements. Starting with this release, we are including
ARMv8 (AArch64) testig in our CI process.
* PR #391: Fix broken win32 py2.7 build.
* PR #387: protect against empty features in list
* PR #384: Read CMAKE_GENERATOR which conda-build sets
* PR #382: rewrite of install instructions, calling out LLVM build challenges
* PR #380: Add FMA intrinsic support
* PR #379: ARM aarch64 test on jetson tx2
* PR #378: add slack, drop flowdock
v0.24.0 (Jul 6, 2018)
---------------------
This release adds support for Python 3.7 and fixes some build issues. It also
contains an updated SVML patch for the llvmdev package that works around some
vectorization issues. It also adds a selective LLVM 6.0.1 llvmdev build for the
`ppc64le` architecture.
* PR #374: Fix up broken patch selector
* PR #373: Add long description from readme
* PR #371: LLVM 6.0.1 build based on RC and fixes for PPC64LE
* PR #369: Recipe fixes for Conda Build 3
* PR #363: Workaround for incorrect vectorization factor computed for SVML
functions
* PR #356: fix build on OpenBSD.
* PR #351: Python 3.7 compat: Properly escape repl in re.sub
v0.23.2 (Jun 1, 2018)
---------------------
This is a bug fix release to assist in addressing a critical Numba issue that
can affect users who download llvmlite packages from sources other than PyPI
(pip), Anaconda, or Intel Python: https://github.com/numba/numba/issues/3006
Support for SVML is now detected at compile time and baked into a function that
is exposed by llvmlite. This function can be queried at runtime to find out if
SVML is supported by the LLVM that llvmlite was compiled against, code
generation paths can then be adjusted accordingly.
The following PRs are closed in this release:
* PR #361: Add SVML detection and a function to declare support.
v0.23.1 (May 17, 2018)
----------------------
This is a minor patch release that includes no code changes. It is issued to
fix a couple of problems with the build recipes for llvmdev (on which llvmlite
relies).
The following PRs are closed in this release:
* PR #353: PR Fix llvmdev build recipe.
* PR #348: llvmdev: enhancements to conda recipe
v0.23.0 (Apr 24, 2018)
----------------------
In this release, we upgrade to LLVM 6. Two LLVM patches are added:
1. A patch to fix LLVM bug (https://bugs.llvm.org/show_bug.cgi?id=37019) that
causes undefined behavior during CFG printing.
2. A patch to enable Intel SVML auto-vectorization of transcendentals.
The following PRs are closed in this release:
* PR #343: Fix undefined behavior bug due to Twine usage in LLVM
* PR #340: This moves llvmlite to use LLVM 6.0.0 as its backend.
* PR #339: Add cttz & ctlz
* PR #338: Add 3 Bit Manipulation Intrinsics
* PR #330: Add support for LLVM fence instruction
* PR #326: Enable Intel SVML-enabled auto-vectorization for all the
transcendentals
v0.22.0 (Feb 15, 2018)
----------------------
In this release, we have changed the locking strategy that protects LLVM from
race conditions. Before, the llvmlite user (like Numba) was responsible for
this locking. Now, llvmlite imposes a global thread lock on all calls into
the LLVM API. This should be significantly less error prone. Future llvmlite
releases may manually exempt some functions from locking once they are
determined to be thread-safe.
The following PRs are closed in this release:
* PR#318: Ensuring threadsafety in concurrent usage of LLVM C-API
* PR#221: Add all function/return value attributes from LLVM 3.9
* PR#304: Expose support for static constructors/destructors
v0.21.0 (Dec 6, 2017)
---------------------
In this release, we upgrade to LLVM 5. Our build scripts now use
conda-build 3. For our prebuilt binaries, GCC 7 toolchain is used
on unix-like systems and the OSX minimum deployment target is 10.9.
The following PRs are closed in this release:
* PR #315: Updates for conda build 3.
* PR #307: Fixes for LLVM5.
* PR #306: Working towards LLVM 5.0 support.
v0.20.0 (Sep 6, 2017)
---------------------
Beginning with this minor release, we support wheels for Linux, OSX and Windows.
Pull requests related to enabling wheels are #294, #295, #296 and #297.
There are also fixes to the documentation (#283 and #289).
v0.19.0 (Jul 6, 2017)
---------------------
This is a minor release with the following fixes.
* PR #281, Issue #280: Fix GEP addrspace issue
* PR #279: Fix #274 addrspace in gep
* PR #278: add Readthedocs badge
* PR #275: Add variables to pass through when doing conda-build
* PR #273: Fix the behavior of module.get_global
* PR #272: cmpop contains comparison type, not lhs
* PR #268, Fix #267: Support packed struct
The following are CI build related changes:
* PR #277: Add pass through gcc flags for llvmdev
* PR #276: Remove jenkins build scripts
v0.18.0 (May 4, 2017)
---------------------
This is a minor release that fixes several issues (#263, #262, #258, #237) with
the wheel build. In addition, we have minor fixes for running on PPC64LE
platforms (#261). And, we added CI testing against PyPy (#253).
v0.17.1 (Apr 12, 2017)
----------------------
This is a bugfix release that addresses issue #258 that our LLVM
binding shared library is missing from the wheel builds.
v0.17.0 (Apr 9, 2017)
---------------------
In this release, we are upgrading to LLVM 4.0. We are also starting to
provide wheel packages for 64-bit Linux platforms (manylinux).
Fixes:
* Issue #249, PR #250: Disable static linking of libstdc++ by default.
Enhancements:
* PR #246: Add requirements.txt for pip dependency resolving
* PR #238: LLVM 4.0
* PR #222: Enable wheel builds
v0.16.0 (Feb 16, 2017)
----------------------
API changes:
* Switched from LLVM 3.8 to 3.9
* ``TargetData.add_pass`` is removed in LLVM 3.9.
Enhancements:
* PR #239: Enable fastmath flags
* PR #233: Updates for llvm3.9.1
* PR #199: Update for changes in LLVM 3.9
Fixes:
* PR #236: Fix metadata with long value
* PR #231: Fix setup.py for Python2.7 so that pip auto installs dependencies
* PR #226: Fix get_host_cpu_features() so that it fails properly
v0.15.0 (Dec 20, 2016)
----------------------
Enhancements:
* PR #213: Add partial LLVM bindings for ObjectFile.
* PR #215: Add inline assembly helpers in the builder.
* PR #216: Allow specifying alignment in alloca instructions.
* PR #219: Remove unnecessary verify in module linkage.
Fixes:
* PR #209, Issue #208: Fix overly restrictive test for library filenames.
v0.14.0 (Oct 17, 2016)
----------------------
Enhancements:
* PR #104: Add binding to get and view function control-flow graph.
* PR #210: Improve llvmdev recipe.
* PR #212: Add initializer for the native assembly parser.
v0.13.0 (Aug 24, 2016)
----------------------
Enhancements:
* PR #176: Switch from LLVM 3.7 to LLVM 3.8.
* PR #191: Allow setting the alignment of a global variable.
* PR #198: Add missing function attributes.
* PR #160: Escape the contents of metadata strings, to allow embedding
any characters.
* PR #162: Add support for creating debug information nodes.
* PR #200: Improve the usability of metadata emission APIs.
* PR #200: Allow calling functions with metadata arguments
(such as ``@llvm.dbg.declare``).
Fixes:
* PR #190: Suppress optimization remarks printed out in some cases by LLVM.
* PR #200: Allow attaching metadata to a ``ret`` instruction.
v0.12.1 (Jul 12, 2016)
----------------------
New release to fix packages on PyPI. Same as v0.12.0.
v0.12.0 (Jul 6, 2016)
---------------------
Enhancements:
* PR #179: Let llvmlite build on armv7l Linux.
* PR #161: Allow adding metadata to functions.
* PR #163: Allow emitting fast-math ``fcmp`` instructions.
* PR #159: Allow emitting verbose assembly in TargetMachine.
Fixes:
* Issue #177: Make setup.py compatible with ``pip install``.
v0.11.0 (May 19, 2016)
----------------------
Enhancements:
* PR #175: Check LLVM version at build time
* PR #169: Default initializer for non-external global variable
* PR #168: add ir.Constant.literal_array()
v0.10.0 (Mar 31, 2016)
----------------------
Enhancements:
* PR #146: Improve ``setup.py clean`` to wipe more leftovers.
* PR #135: Remove some llvmpy compatibility APIs.
* PR #151: Always copy TargetData when adding to a pass manager.
* PR #148: Make errors more explicit on loading the binding DLL.
* PR #144: Allow overriding ``-flto`` in Linux builds.
* PR #136: Remove Python 2.6 and 3.3 compatibility.
* Issue #131: Allow easier creation of constants by making type instances
callable.
* Issue #130: The test suite now ensures the runtime DLL dependencies
are within a certain expected set.
* Issue #121: Simplify build process on Unix and remove hardcoded linking
with LLVMOProfileJIT.
* Issue #125: Speed up formatting of raw array constants.
Fixes:
* PR #155: Properly emit IR for metadata null.
* PR #153: Remove deprecated uses of ``TargetMachine::getDataLayout()``.
* PR #156: Move personality from LandingPadInstr to FunctionAttributes.
It was moved in LLVM 3.7.
* PR #149: Implement LLVM scoping correctly.
* PR #141: Ensure no CMakeCache.txt file is included in sdist.
* PR #132: Correct constant in ``llvmir.py`` example.
v0.9.0 (Feb 29, 2016)
---------------------
Enhancements:
* PR #73: Add get_process_triple() and get_host_cpu_features()
* Switch from LLVM 3.6 to LLVM 3.7. The generated IR for some memory
operations has changed.
* Improved performance of IR serialization.
* Issue #116: improve error message when the operands of a binop have
differing types.
* PR #113: Let Type.get_abi_{size,alignment} not choke on identified types.
* PR #112: Support non-alphanumeric characters in type names.
Fixes:
* Remove the libcurses dependency on Linux.
v0.8.0 (Oct 23, 2015)
---------------------
* Update LLVM to 3.6.2
* Add an *align* parameter to IRBuilder.load() and IRBuilder.store().
* Allow setting visibility, DLL storageclass of ValueRef
* Support profiling with OProfile
v0.7.0 (Aug 31, 2015)
---------------------
* PR #88: Provide hooks into the MCJIT object cache
* PR #87: Add indirect branches and exception handling APIs to ir.Builder.
* PR #86: Add ir.Builder APIs for integer arithmetic with overflow
* Issue #76: Fix non-Windows builds when LLVM was built using CMake
* Deprecate .get_pointer_to_global() and add .get_function_address() and
.get_global_value_address() in ExecutionEngine.
v0.6.0 (Jun 30, 2015)
---------------------
Enhancements:
* Switch from LLVM 3.5 to LLVM 3.6. The generated IR for metadata nodes
has slightly changed, and the "old JIT" engine has been remove (only
MCJIT is now available).
* Add an optional flags argument to arithmetic instructions on IRBuilder.
* Support attributes on the return type of a function.
v0.5.1 (Jun 8, 2015)
--------------------
Fixes:
* Fix implicit termination of basic block in nested if_then()
v0.5.0 (May 27, 2015)
---------------------
New documentation hosted at http://llvmlite.pydata.org
Enhancements:
* Add code-generation helpers from numba.cgutils
* Support for memset, memcpy, memmove intrinsics
Fixes:
* Fix string encoding problem when round-triping parse_assembly()
v0.4.0 (Mar 30, 2015)
---------------------
Enhancements:
* Add Module.get_global()
* Renamd Module.global_variables to Module.global_values
* Support loading library parmanently
* Add Type.get_abi_alignment()
Fixes:
* Expose LLVM version as a tuple
Patched LLVM 3.5.1:
Updated to 3.5.1 with the same ELF relocation patched for v0.2.2.
v0.2.2 (Jan 29, 2015)
---------------------
Enhancements:
* Support for addrspacescast
* Support for tail call, calling convention attribute
* Support for IdentifiedStructType
Fixes:
* GEP addrspace propagation
* Various installation process fixes
Patched LLVM 3.5:
The binaries from the numba binstar channel use a patched LLVM3.5 for fixing
a LLVM ELF relocation bug that is caused by the use of 32-bit relative offset
in 64-bit binaries. The problem appears to occur more often on hardened
kernels, like in CentOS. The patched source code is available at:
https://github.com/numba/llvm-mirror/releases/tag/3.5p1
v0.2.0 (Dec 16, 2014)
---------------------
This is the first official release. It contains a few feature additions
and bug fixes. It meets all requirements to replace llvmpy in numba and
numbapro.
v0.1.0 (Nov 13, 2014)
---------------------
This is the first release. This is released for beta testing llvmlite
and numba before the official release.