| commit | dfe3b6d2a9a452f2fd748416cd8e4c2583e0e8c5 | [log] [tgz] |
|---|---|---|
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Sat Dec 18 01:06:19 2010 +0000 |
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Sat Dec 18 01:06:19 2010 +0000 |
| tree | dee4127d09fd88c857b2cfafc67d83d18b657399 | |
| parent | bb1744ec1531fff3fd22fdfcd65f0f72d99c4fa5 [diff] |
Check that the register is live-in to the loop header before inserting copies in the loop predecessors. The register can be live-out from a predecessor without being live-in to the loop header if there is a critical edge from the predecessor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122123 91177308-0d34-0410-b5e6-96231b3b80d8