| commit | 9dc3a0d442e6e2a5133b0b20177ba402e582872d | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Tue Dec 16 06:20:58 2008 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Tue Dec 16 06:20:58 2008 +0000 |
| tree | c6f0f14e25c36f2892dc0ff33a96b4855799f8c3 | |
| parent | 47170992991553a35645f413a8214d85c6049ae3 [diff] |
When breaking an anti-dependency, don't use a register which has seen one of its aliases defined. This is conservative, but tricky subreg corner cases are outside the primary aim of this pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61077 91177308-0d34-0410-b5e6-96231b3b80d8