Eli Friedman dae36ba802 Avoid undefined behavior in negation in LSR. Patch by Ahmed Charles.
Someone more familiar with LSR should double-check that the extra cast is actually doing the right thing in the overflow cases; I'm not completely confident that's that case. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141916 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13 23:48:33 +00:00
2011-10-13 23:04:49 +00:00
2011-10-12 23:14:41 +00:00
2011-09-24 01:37:58 +00:00
2011-09-19 05:34:10 +00:00
2011-06-12 15:26:54 +00:00
2011-09-21 03:34:31 +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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