| commit | 3d6ac44d96f806c2c643dd608cc7f2edcb99ebc3 | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Thu Jul 29 00:17:55 2010 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Thu Jul 29 00:17:55 2010 +0000 |
| tree | 57be6f5e566e0d20b8a9be0a8c41c119713866a0 | |
| parent | 43397fc4dc2f63183d5a486448120d51f2109fcf [diff] |
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