| commit | 516eb1c1396bc0a2b35573e58c567d6092ed5fd0 | [log] [tgz] |
|---|---|---|
| author | Owen Anderson <resistor@mac.com> | Tue Aug 26 22:07:42 2008 +0000 |
| committer | Owen Anderson <resistor@mac.com> | Tue Aug 26 22:07:42 2008 +0000 |
| tree | 3883346488deb26cd7b951ad7568a7e3378bcdeb | |
| parent | 3200d92947cd64f82ca748d65d1e58c3d45f440f [diff] |
Put a heuristic in place to prevent GVN from falling into bad cases with massively complicated CFGs. This speeds up a particular testcase from 12+ hours to 5 seconds with little perceptible loss of quality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55391 91177308-0d34-0410-b5e6-96231b3b80d8