| commit | d5be48a9db6bf9b1b399e1309b9654e06a616165 | [log] [tgz] |
|---|---|---|
| author | Lang Hames <lhames@gmail.com> | Tue Apr 03 16:27:16 2012 +0000 |
| committer | Lang Hames <lhames@gmail.com> | Tue Apr 03 16:27:16 2012 +0000 |
| tree | e310e7a016879565c033c0e67c059131bdd2ba99 | |
| parent | 75e3b7fb8fdf069b6f9f1e1db9634ca5701cbe96 [diff] |
Matrix simplification in PBQP may push infinite costs onto register options. The colorability heuristic should count these as denied registers. No test case - this exposed a bug on an out-of-tree target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153958 91177308-0d34-0410-b5e6-96231b3b80d8