| commit | c475c3608a5f0fc0c6bd43da04ae786649690070 | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Thu Jan 15 22:01:38 2009 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Thu Jan 15 22:01:38 2009 +0000 |
| tree | 63040b524f899751f97f06b8bbf6f451e2b7c5c0 | |
| parent | 19caec79f29936d1828c15bf3416f4741b72d768 [diff] |
Simplify the MachineLICM pass by having it only traverse outer loops, hoisting instructions all the way out in one step rather than hoisting them one nest level at a time. Also, make a few other code simplifications. This speeds up MachineLICM by several fold. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62283 91177308-0d34-0410-b5e6-96231b3b80d8