| commit | e811d0dd30e8949df5d72bedfaa46dc579dad97e | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Sun Jan 08 19:52:28 2012 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Sun Jan 08 19:52:28 2012 +0000 |
| tree | e230c6f25a99d65ba07d64617f82bb0d9b0e2163 | |
| parent | dfb806f6ba53b792171b928b57def9d0182d2f5f [diff] |
Avoid eraseing copies from a reserved register unless the definition can be safely proven not to have been clobbered. No small test case possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147751 91177308-0d34-0410-b5e6-96231b3b80d8