Chandler Carruth 89436b4160 [x86] Recognize that we can use duplication to widen v16i8 shuffles due
to undef lanes as well as defined widenable lanes. This dramatically
improves the lowering we use for undef-shuffles in a zext-ish pattern
for SSE2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218115 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-19 09:45:21 +00:00
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2014-08-14 15:15:09 +00:00
2014-03-12 22:40:22 +00:00
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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.
Description
LLVM backend for 6502
Readme 277 MiB
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