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0d5c0629bb
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Hal Finkel 0d5c0629bb Add some additional fields to TTI::UnrollingPreferences 
In preparation for an upcoming commit implementing unrolling preferences for
x86, this adds additional fields to the UnrollingPreferences structure:

 - PartialThreshold and PartialOptSizeThreshold - Like Threshold and
   OptSizeThreshold, but used when not fully unrolling. These are necessary
   because we need different thresholds for full unrolling from those used when
   partially unrolling (the full unrolling thresholds are generally going to be
   larger).

 - MaxCount - A cap on the unrolling factor when partially unrolling. This can
   be used by a target to prevent the unrolled loop from exceeding some
   resource limit independent of the loop size (such as number of branches).

There should be no functionality change for any in-tree targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205347 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-01 18:50:30 +00:00
autoconf ARM64: initial backend import 2014-03-29 10:18:08 +00:00
bindings [python-bindings] Remove some cruft that snuck in. 2014-02-23 04:43:26 +00:00
cmake ARM64: initial backend import 2014-03-29 10:18:08 +00:00
docs Recover TableGen/LangRef, make it official 2014-04-01 09:51:49 +00:00
examples Fix warnings about an variable only used in asserts. 2014-03-06 06:35:46 +00:00
include Add some additional fields to TTI::UnrollingPreferences 2014-04-01 18:50:30 +00:00
lib Add some additional fields to TTI::UnrollingPreferences 2014-04-01 18:50:30 +00:00
projects Remove projects/sample. 2014-03-12 22:40:22 +00:00
test [mips] Add Octeon cnMips instructions mtmX and mtpX 2014-04-01 18:35:26 +00:00
tools [yaml2obj] Add support for ELF e_flags. 2014-03-31 09:44:05 +00:00
unittests MCJIT: ensure that cygwin is identified properly 2014-03-31 23:42:23 +00:00
utils lit: Set a base directory for compiler-rt tests 2014-03-31 23:14:10 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.gitignore Remove projects/sample. 2014-03-12 22:40:22 +00:00
CMakeLists.txt ARM64: initial backend import 2014-03-29 10:18:08 +00:00
CODE_OWNERS.TXT Update my e-mail address in CODE_OWNERS.TXT 2014-03-13 18:04:41 +00:00
configure ARM64: initial backend import 2014-03-29 10:18:08 +00:00
CREDITS.TXT Fix documentation typos 2013-12-20 00:33:39 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules Use -std=gnu++11 on cygwin and mingw. 2014-03-12 20:01:15 +00:00
README.txt Revert "Test commit to check e-mail address. Please discard this." 2013-10-04 10:59:13 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.