| commit | 97b935962308680e9f18bba06bcbdd05fdd7b4db | [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 | 4928cab5c018d09dac594d40b387b966b4ae6c9c | |
| parent | 1d3265887755f2eac986407343dc7447948e9a72 [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> llvm-svn: 152002