Commit Graph

152 Commits

Author SHA1 Message Date
Chris Lattner 2115722ffa improve comments, infrastructure, and add some validity checks for threading.
Add a cost function.

llvm-svn: 50002
2008-04-20 21:13:06 +00:00
Chris Lattner b3b6007c8b Add a new Jump Threading pass, which will handle cases
such as those in PR2235.  Right now the pass is not very
effective. :)

llvm-svn: 50000
2008-04-20 20:35:01 +00:00