Commit Graph

301 Commits

Author SHA1 Message Date
Dan Gohman 3d6ac44d96 Factor out some of the code for updating old SCEVUnknown values, and
extend it to handle the case where multiple RAUWs affect a single
SCEVUnknown.

Add a ScalarEvolution unittest to test for this situation.

llvm-svn: 109705
2010-07-29 00:17:55 +00:00