| commit | 206a357684ec4f9159905eb7293bfb2221af0e14 | [log] [tgz] |
|---|---|---|
| author | Nate Begeman <natebegeman@mac.com> | Wed Sep 16 03:20:46 2009 +0000 |
| committer | Nate Begeman <natebegeman@mac.com> | Wed Sep 16 03:20:46 2009 +0000 |
| tree | 264d15f502fef4bc74c4edd8bfae40e74726522c | |
| parent | 8d70854dd8b3f2d7639abd569dbd5a205f602032 [diff] |
Do not try and sink a load whose chain result has more than one use, when trying to create RMW opportunities in the x86 backend. This can cause a cycle to appear in the graph, since the other uses may eventually feed into the TokenFactor we are sinking the load below. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81996 91177308-0d34-0410-b5e6-96231b3b80d8