llvm-6502

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Nadav Rotem 4bf6326d08 LoopVectorize: Implement partial loop unrolling when vectorization is not profitable.

This patch enables unrolling of loops when vectorization is legal but not profitable.
We add a new class InnerLoopUnroller, that extends InnerLoopVectorizer and replaces some of the vector-specific logic with scalars.

This patch does not introduce any runtime regressions and improves the following workloads:

SingleSource/Benchmarks/Shootout/matrix -22.64%
SingleSource/Benchmarks/Shootout-C++/matrix -13.06%
External/SPEC/CINT2006/464_h264ref/464_h264ref  -3.99%
SingleSource/Benchmarks/Adobe-C++/simple_types_constant_folding -1.95%



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189281 91177308-0d34-0410-b5e6-96231b3b80d8

2013-08-26 22:33:26 +00:00

autoconf

Autoconf: The Clang ARC migrator now depends on the static analyzer.

2013-08-22 15:49:53 +00:00

bindings

We're in 3.4 land now.

2013-05-07 20:31:28 +00:00

cmake

[cmake] Check for realpath availability in CMake

2013-08-26 18:11:25 +00:00

docs

Include a clearer policy about what's ok/nok to speed up code reviews.

2013-08-26 07:29:08 +00:00

examples

ExceptionDemo.cpp: Tweak a @param. [-Wdocumentation]

2013-07-29 11:03:50 +00:00

include

[cmake] Check for realpath availability in CMake

2013-08-26 18:11:25 +00:00

lib

LoopVectorize: Implement partial loop unrolling when vectorization is not profitable.

2013-08-26 22:33:26 +00:00

projects

Port the detection of zlib from the main autoconf system to the sample

2013-08-18 01:55:15 +00:00

runtime

Use @rpath for libraries rather than @executable_path on OSX.

2013-08-02 01:51:52 +00:00

test

LoopVectorize: Implement partial loop unrolling when vectorization is not profitable.

2013-08-26 22:33:26 +00:00

tools

llvm-symbolizer: use real path when looking for debug binary location

2013-08-26 18:12:03 +00:00

unittests

[Win32] mapped_file_region: Fix a bug in CreateFileMapping() that Size must contain Offset when Offset >= 65536.

2013-08-22 15:14:53 +00:00

utils

Add function attribute 'optnone'.

2013-08-23 11:53:55 +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

.gitignore

Add extra vim swap file pattern

2012-10-09 23:48:34 +00:00

CMakeLists.txt

CMake: move lto.h install to tools/lto/CMakeLists.txt

2013-08-26 16:54:12 +00:00

CODE_OWNERS.TXT

Add more owners to CODE_OWNERS.TXT (Kostya Serebryany: AddressSanitizer and ThreadSanitizer; Evgeniy Stepanov: MemorySanitizer)

2013-06-27 08:47:12 +00:00

configure

configure: Regenerate corresponding to r189026.

2013-08-22 16:31:34 +00:00

CREDITS.TXT

Test commit.

2013-08-16 18:09:06 +00:00

LICENSE.TXT

Be more specific and capitalize filenames.

2013-05-21 21:22:34 +00:00

llvm.spec.in

Tidy up. s/Low Level Virtual Machine/LLVM/.

2012-01-25 22:00:23 +00:00

LLVMBuild.txt

LLVMBuild: Introduce a common section which currently has a list of the

2011-12-12 22:45:54 +00:00

Makefile

Fix regular expression used by 'make update' to only look for 'I' and '?' at the start of svn info results and to check for spaces after 'I' instead of just after '?'.

2013-07-03 14:48:37 +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 an autoconf option for turning on -gsplit-dwarf by default

2013-06-25 01:12:25 +00:00

Makefile.rules

Makefile.rules: Avoid -fomit-frame-pointer also on cygwin due to PR14646.

2013-08-18 03:38:40 +00:00

README.txt

test

2013-04-17 05:34:03 +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.

Languages

C++ 48.7%

LLVM 38.5%

Assembly 10.2%

C 0.9%

Python 0.4%

Other 1.2%