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Mirror of https://github.com/RPCS3/llvm-mirror
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Simon Pilgrim e24daf0c1e [X86][SSE] Added support for combining target shuffles to (V)PSHUFD/VPERMILPD/VPERMILPS immediate permutes 
This patch allows target shuffles to be combined to single input immediate permute instructions - (V)PSHUFD/VPERMILPD/VPERMILPS - allowing more general pattern matching than what we current do and improves the likelihood of memory folding compared to existing patterns which tend to reuse the input in multiple arguments.

Further permute instructions (V)PSHUFLW/(V)PSHUFHW/(V)PERMQ/(V)PERMPD may be added in the future but its proven tricky to create tests cases for them so far. (V)PSHUFLW/(V)PSHUFHW is already handled quite well in combineTargetShuffle so it may be that removing some of that code may allow us to perform more of the combining in one place without duplication.

Differential Revision: http://reviews.llvm.org/D21148

llvm-svn: 273999
2016-06-28 08:08:15 +00:00
bindings [OCaml] Add functions for accessing metadata nodes. 2016-06-22 03:30:24 +00:00
cmake [cmake] Port the llvm-config option --build-mode to LLVMConfig.cmake via the variable LLVM_BUILD_TYPE. 2016-06-25 11:31:50 +00:00
docs Reapply "[llvm-cov] Add an -output-dir option for the show sub-command"" 2016-06-28 02:09:39 +00:00
examples [MCJIT] Update MCJIT and get the fibonacci example working again. 2016-06-11 05:47:04 +00:00
include [BFI/MBFI]: cfg graph view with color scheme 2016-06-28 06:58:21 +00:00
lib [X86][SSE] Added support for combining target shuffles to (V)PSHUFD/VPERMILPD/VPERMILPS immediate permutes 2016-06-28 08:08:15 +00:00
projects Remove autoconf support 2016-01-26 21:29:08 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
test [X86][SSE] Added support for combining target shuffles to (V)PSHUFD/VPERMILPD/VPERMILPS immediate permutes 2016-06-28 08:08:15 +00:00
tools [llvm-cov] Simplify; NFC 2016-06-28 03:37:56 +00:00
unittests [PM] Sink the module parsing from the fixture to the test as subsequent 2016-06-28 00:38:42 +00:00
utils [lit] Add SANITIZER_IGNORE_CVE_2016_2143 to pass_vars. 2016-06-26 21:49:58 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Don't use misc-unused-parameters check on LLVM. 2016-04-13 08:58:52 +00:00
.gitignore [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
CMakeLists.txt [CMake] Add LLVM runtimes directory 2016-06-23 22:07:21 +00:00
CODE_OWNERS.TXT Sort my entry in CODE_OWNERS.TXT 2016-05-26 23:10:37 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update my email address. 2016-05-10 16:23:54 +00:00
LICENSE.TXT Update copyright year to 2016. 2016-03-30 22:41:06 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Revert previous test commit. 2016-01-04 19:13:29 +00:00

README.txt 

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

This directory and its subdirectories contain source code for LLVM,
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 are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.