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Mirror of https://github.com/RPCS3/llvm-mirror
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Simon Pilgrim 0b6d835785 [X86][SSE] matchVectorShuffleAsBlend - use Zeroable element mask directly. 
We can make use of the Zeroable mask to indicate which elements we can safely set to zero instead of creating a target shuffle mask on the fly.

This allows us to remove createTargetShuffleMask.

This is part of the work to fix PR43024 and allow us to use SimplifyDemandedElts to simplify shuffle chains - we need to get to a point where the target shuffle masks isn't adjusted by its source inputs in setTargetShuffleZeroElements but instead we cache them in a parallel Zeroable mask.

llvm-svn: 373846
2019-10-06 12:38:38 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings Revert "[OCaml] Handle nullptr in Llvm.global_initializer" 2019-10-01 08:29:07 +00:00
cmake Reland r349624: Let TableGen write output only if it changed, instead of doing so in cmake 2019-10-03 21:22:28 +00:00
docs Update the FAQ: remove stuff related to the previous license + 2019-10-03 09:43:54 +00:00
examples [Orc] Roll back ThreadPool to std::function 2019-09-13 11:59:51 +00:00
include GlobalISel: Partially implement lower for G_EXTRACT 2019-10-06 01:37:35 +00:00
lib [X86][SSE] matchVectorShuffleAsBlend - use Zeroable element mask directly. 2019-10-06 12:38:38 +00:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes Adding support for overriding LLVM_ENABLE_RUNTIMES for runtimes builds. 2019-09-24 22:38:18 +00:00
test [X86][SSE] matchVectorShuffleAsBlend - use Zeroable element mask directly. 2019-10-06 12:38:38 +00:00
tools [llvm-readobj] Remove redundant semicolon. NFC 2019-10-04 12:08:10 +00:00
unittests [UnitTests] Try and pacify gcc-5 2019-10-05 08:57:17 +00:00
utils [lit] Use better name for "test in parallel" concept 2019-10-04 21:40:20 +00:00
.arcconfig
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
CODE_OWNERS.TXT Update email address in CODE_OWNERS 2019-07-01 16:01:15 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Test commit. 2019-10-03 14:57:49 +00:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

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.