commit | c8f9e4fdc584c6bf48dc0f42083d05b707024b20 | [log] [tgz] |
---|---|---|
author | Jim Grosbach <grosbach@apple.com> | Fri Dec 11 20:29:53 2009 +0000 |
committer | Jim Grosbach <grosbach@apple.com> | Fri Dec 11 20:29:53 2009 +0000 |
tree | 82891b5dd1ae4752d8865d592268ee61853744f5 | |
parent | 192db0027c2febbc4ebbd7947d38aba369c787f4 [diff] |
memory barrier instructions by definition have side effects. This prevents the post-RA scheduler from moving them around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91150 91177308-0d34-0410-b5e6-96231b3b80d8