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Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	1	======================
Hans Wennborg	469822e	2016-01-13 17:32:32 +0000	[diff] [blame]	2	LLVM 3.9 Release Notes
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	3	======================
				4
				5	.. contents::
				6	:local:
				7
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	8	.. warning::
Hans Wennborg	469822e	2016-01-13 17:32:32 +0000	[diff] [blame]	9	These are in-progress notes for the upcoming LLVM 3.9 release. You may
Nico Weber	a16bc78	2015-09-01 21:10:56 +0000	[diff] [blame]	10	prefer the `LLVM 3.7 Release Notes <http://llvm.org/releases/3.7.0/docs
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	11	/ReleaseNotes.html>`_.
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	12
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	13
				14	Introduction
				15	============
				16
				17	This document contains the release notes for the LLVM Compiler Infrastructure,
Hans Wennborg	469822e	2016-01-13 17:32:32 +0000	[diff] [blame]	18	release 3.9. Here we describe the status of LLVM, including major improvements
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	19	from the previous release, improvements in various subprojects of LLVM, and
				20	some of the current users of the code. All LLVM releases may be downloaded
				21	from the `LLVM releases web site <http://llvm.org/releases/>`_.
				22
				23	For more information about LLVM, including information about the latest
				24	release, please check out the `main LLVM web site <http://llvm.org/>`_. If you
				25	have questions or comments, the `LLVM Developer's Mailing List
Tanya Lattner	0d28f80	2015-08-05 03:51:17 +0000	[diff] [blame]	26	<http://lists.llvm.org/mailman/listinfo/llvm-dev>`_ is a good place to send
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	27	them.
				28
				29	Note that if you are reading this file from a Subversion checkout or the main
				30	LLVM web page, this document applies to the next release, not the current
				31	one. To see the release notes for a specific release, please see the `releases
				32	page <http://llvm.org/releases/>`_.
				33
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	34	Non-comprehensive list of changes in this release
				35	=================================================
Hans Wennborg	469822e	2016-01-13 17:32:32 +0000	[diff] [blame]	36	* .. note about autoconf build having been removed.
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	37
Rafael Espindola	cbc31d6	2016-02-12 15:28:45 +0000	[diff] [blame]	38	* .. note about C API functions LLVMParseBitcode,
Hans Wennborg	aae49c1	2016-01-13 19:33:49 +0000	[diff] [blame]	39	LLVMParseBitcodeInContext, LLVMGetBitcodeModuleInContext and
Mehdi Amini	f71d653	2016-02-12 06:22:00 +0000	[diff] [blame]	40	LLVMGetBitcodeModule having been removed. LLVMGetTargetMachineData has been
				41	removed (use LLVMGetDataLayout instead).
Eric Christopher	a6b9600	2015-12-18 01:46:52 +0000	[diff] [blame]	42
Rafael Espindola	cbc31d6	2016-02-12 15:28:45 +0000	[diff] [blame]	43	* The C API function LLVMLinkModules has been removed.
				44
Amaury Sechet	2ffde01	2016-02-16 00:22:02 +0000	[diff] [blame]	45	* The C API function LLVMAddTargetData has been removed.
				46
Amaury Sechet	f3549c4	2016-02-16 00:23:52 +0000	[diff] [blame]	47	* The C API function LLVMGetDataLayout is deprecated
				48	in favor of LLVMGetDataLayoutStr.
				49
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	50	.. NOTE
				51	For small 1-3 sentence descriptions, just add an entry at the end of
				52	this list. If your description won't fit comfortably in one bullet
				53	point (e.g. maybe you would like to give an example of the
				54	functionality, or simply have a lot to talk about), see the `NOTE` below
				55	for adding a new subsection.
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	56
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	57	* ... next change ...
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	58
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	59	.. NOTE
				60	If you would like to document a larger change, then you can add a
				61	subsection about it right here. You can copy the following boilerplate
				62	and un-indent it (the indentation causes it to be inside this comment).
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	63
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	64	Special New Feature
				65	-------------------
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	66
Sean Silva	1eab30d	2013-01-20 03:29:50 +0000	[diff] [blame]	67	Makes programs 10x faster by doing Special New Thing.
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	68
Renato Golin	7c9d050	2014-03-18 10:16:15 +0000	[diff] [blame]	69	Changes to the ARM Backend
				70	--------------------------
				71
Rafael Espindola	bd334e2	2014-08-22 21:57:38 +0000	[diff] [blame]	72	During this release ...
Renato Golin	7c9d050	2014-03-18 10:16:15 +0000	[diff] [blame]	73
Renato Golin	7c9d050	2014-03-18 10:16:15 +0000	[diff] [blame]	74
Daniel Sanders	a4d18fc	2014-07-23 12:59:26 +0000	[diff] [blame]	75	Changes to the MIPS Target
				76	--------------------------
				77
Hans Wennborg	ef818c1	2015-01-14 18:07:30 +0000	[diff] [blame]	78	During this release ...
Daniel Sanders	1bcd70e	2015-01-11 10:34:52 +0000	[diff] [blame]	79
Daniel Sanders	a4d18fc	2014-07-23 12:59:26 +0000	[diff] [blame]	80
Bill Schmidt	4004989	2014-07-31 14:38:17 +0000	[diff] [blame]	81	Changes to the PowerPC Target
Bill Schmidt	08616c7	2014-07-31 15:20:30 +0000	[diff] [blame]	82	-----------------------------
Bill Schmidt	4004989	2014-07-31 14:38:17 +0000	[diff] [blame]	83
Hans Wennborg	ef818c1	2015-01-14 18:07:30 +0000	[diff] [blame]	84	During this release ...
Bill Schmidt	a2dece2	2015-01-12 20:46:43 +0000	[diff] [blame]	85
Bill Schmidt	4004989	2014-07-31 14:38:17 +0000	[diff] [blame]	86
NAKAMURA Takumi	9ec6a82	2015-12-21 02:37:23 +0000	[diff] [blame]	87	Changes to the X86 Target
				88	-----------------------------
				89
				90	During this release ...
				91
Matt Arsenault	cee02cc	2016-01-26 04:29:15 +0000	[diff] [blame]	92	Changes to the AMDGPU Target
				93	-----------------------------
				94
				95	* Mesa 11.0.x is no longer supported
				96
NAKAMURA Takumi	9ec6a82	2015-12-21 02:37:23 +0000	[diff] [blame]	97
Peter Zotov	d113629	2015-01-13 09:48:02 +0000	[diff] [blame]	98	Changes to the OCaml bindings
				99	-----------------------------
				100
Hans Wennborg	ef818c1	2015-01-14 18:07:30 +0000	[diff] [blame]	101	During this release ...
Peter Zotov	d113629	2015-01-13 09:48:02 +0000	[diff] [blame]	102
Akira Hatanaka	c8d0696	2016-02-17 19:35:47 +0000	[diff] [blame]	103	Support for attribute 'notail' has been added
				104	---------------------------------------------
				105
				106	This marker prevents optimization passes from adding 'tail' or
				107	'musttail' markers to a call. It is used to prevent tail call
				108	optimization from being performed on the call.
Rafael Espindola	434e956	2015-12-16 23:16:33 +0000	[diff] [blame]	109
Hans Wennborg	469822e	2016-01-13 17:32:32 +0000	[diff] [blame]	110	External Open Source Projects Using LLVM 3.9
Pekka Jaaskelainen	b531a11	2013-05-03 07:37:04 +0000	[diff] [blame]	111	============================================
				112
				113	An exciting aspect of LLVM is that it is used as an enabling technology for
				114	a lot of other language and tools projects. This section lists some of the
Hans Wennborg	469822e	2016-01-13 17:32:32 +0000	[diff] [blame]	115	projects that have already been updated to work with LLVM 3.9.
Rafael Espindola	bd334e2	2014-08-22 21:57:38 +0000	[diff] [blame]	116
				117	* A project
Kai Nacke	ec6e392	2013-11-14 05:57:40 +0000	[diff] [blame]	118
				119
Dmitri Gribenko	38782b8	2012-12-09 23:14:26 +0000	[diff] [blame]	120	Additional Information
				121	======================
				122
				123	A wide variety of additional information is available on the `LLVM web page
				124	<http://llvm.org/>`_, in particular in the `documentation
				125	<http://llvm.org/docs/>`_ section. The web page also contains versions of the
				126	API documentation which is up-to-date with the Subversion version of the source
				127	code. You can access versions of these documents specific to this release by
				128	going into the ``llvm/docs/`` directory in the LLVM tree.
				129
				130	If you have any questions or comments about LLVM, please feel free to contact
				131	us via the `mailing lists <http://llvm.org/docs/#maillist>`_.
				132