Hal Finkel 7e5631202a Mark the PPC CTRRC and CTRRC8 register classes as non-allocatable.
Marking these classes as non-alocatable allows CTR loop generation to
work correctly with the block placement passes, etc. These register
classes are currently used only by some unused TCRETURN patterns.
In future cleanup, these will be removed.

Thanks again to Jakob for suggesting this fix to the CTR loop problem!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158221 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08 19:02:08 +00:00
2012-06-08 18:42:37 +00:00
2012-05-02 21:25:32 +00:00
2012-04-03 23:09:22 +00:00
2012-05-24 14:20:13 +00:00

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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.

Description
LLVM backend for 6502
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