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LLVM backend for 6502
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Chandler Carruth 37bb4b0365 [x86] Teach the new vector shuffle lowering how to cleverly lower single 
input v8f32 shuffles which are not 128-bit lane crossing but have
different shuffle patterns in the low and high lanes. This removes most
of the extract/insert traffic that was unnecessary and is particularly
good at lowering cases where only one of the two lanes is shuffled at
all.

I've also added a collection of test cases with undef lanes because this
lowering is somewhat more sensitive to undef lanes than others.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218226 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-21 23:46:13 +00:00
autoconf Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
bindings Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
cmake Add CMake check for libatomic. 2014-09-12 11:08:59 +00:00
docs Fix sphinx warning. 2014-09-18 21:54:02 +00:00
examples Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
include Refactor reciprocal square root estimate into target-independent function; NFC. 2014-09-21 15:19:15 +00:00
lib [x86] Teach the new vector shuffle lowering how to cleverly lower single 2014-09-21 23:46:13 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [x86] Teach the new vector shuffle lowering how to cleverly lower single 2014-09-21 23:46:13 +00:00
tools llvm-cov: Allow creating CoverageMappings from filenames 2014-09-20 17:19:52 +00:00
unittests Add hsail and amdil64 to Triple 2014-09-19 19:52:11 +00:00
utils [lit] Parse all strings as UTF-8 rather than ASCII. 2014-09-12 16:46:05 +00:00
.arcconfig
.clang-format
.clang-tidy Add .clang-tidy configuration file to provide LLVM-optimized defaults for 2014-09-08 13:30:00 +00:00
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt Enabling LLVM & Clang to be cross-compiled using CMake from a single configuration command line 2014-09-03 23:21:18 +00:00
CODE_OWNERS.TXT Add Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +00:00
configure Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules Revert my earlier change to add "all" as a dependency to check. In 2014-09-19 18:44:27 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +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.