| commit | e3e394d982a2bd2bc37edb1f8c3492d0382e37a9 | [log] [tgz] |
|---|---|---|
| author | Bill Wendling <isanbard@gmail.com> | Sun Mar 04 10:46:01 2012 +0000 |
| committer | Bill Wendling <isanbard@gmail.com> | Sun Mar 04 10:46:01 2012 +0000 |
| tree | a805dec71b3b79d9fa1ce7fc6432a338ac324dbc | |
| parent | e4fd907e72a599eddfa7a81eac4366b5b82523e3 [diff] |
Do trivial CSE of dead BBs during codegen preparation. Some BBs can become dead after codegen preparation. If we delete them here, it could help enable tail-call optimizations later on. <rdar://problem/10256573> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152002 91177308-0d34-0410-b5e6-96231b3b80d8