| commit | 3466f13f38b2f3e652cca82bd5da8527e72e195d | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Tue Dec 15 01:44:10 2009 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Tue Dec 15 01:44:10 2009 +0000 |
| tree | e83ca98d6e07fea1f00fa3ffe900ec779ae23045 | |
| parent | ad9c0a3d8bf625d169596547f893b9ec8b953e26 [diff] |
Tail duplication should zap a copy it inserted for SSA update if the copy is the only use of its source. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91390 91177308-0d34-0410-b5e6-96231b3b80d8