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CHANGE_LOG
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v0.23.0
-------
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
----------
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
-------
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
-------
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
-------
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
-------
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
-------
This is a bugfix release that addresses issue #258 that our LLVM
binding shared library is missing from the wheel builds.
v0.17.0
-------
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
-------
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
-------
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
-------
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
-------
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
-------
New release to fix packages on PyPI. Same as v0.12.0.
v0.12.0
-------
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
-------
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
-------
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
------
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
------
* 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
------
* 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
------
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
------
Fixes:
* Fix implicit termination of basic block in nested if_then()
v0.5.0
------
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
------
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
-------
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
-------
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
-------
This is the first release. This is released for beta testing llvmlite
and numba before the official release.