Matthias Braun 9f6a38fc70 RegisterCoalescer: Do not remove IMPLICIT_DEFS if they are required for subranges.
The register coalescer used to remove implicit_defs when they are
covered by the main range anyway. With subreg liveness tracking we can't
do that anymore in places where the IMPLICIT_DEF is required as begin of
a subregister liverange.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225416 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-08 00:21:23 +00:00
2015-01-07 22:24:46 +00:00
2014-04-07 03:57:04 +00:00
2014-03-02 13:08:46 +00:00
2014-03-12 22:40:22 +00:00
2015-01-07 22:07:33 +00:00

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're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.

Description
LLVM backend for 6502
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