Manman Ren 45ed19499b ARM: Fix optimizeCompare to correctly check safe condition.
It is safe if CPSR is killed or re-defined.
When we are done with the basic block, check whether CPSR is live-out.
Do not optimize away cmp if CPSR is live-out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-11 22:51:44 +00:00
2012-05-02 21:25:32 +00:00
2012-06-28 20:35:00 +00:00
2012-06-19 23:47:58 +00:00
2012-04-03 23:09:22 +00:00
2012-07-11 17:34:12 +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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