| commit | c4c550c7584b3240bda71d4339ec49c1cf731d55 | [log] [tgz] |
|---|---|---|
| author | Dan Gohman <gohman@apple.com> | Fri Nov 13 21:02:15 2009 +0000 |
| committer | Dan Gohman <gohman@apple.com> | Fri Nov 13 21:02:15 2009 +0000 |
| tree | b87f263bab10843186383b4c85cc7a064ed037e5 | |
| parent | 236490d870c2734203ecf26c8f104d0b3283e69e [diff] |
When optimizing for size, don't tail-merge unless it's likely to be a code-size win, and not when it's only likely to be code-size neutral, such as when only a single instruction would be eliminated and a new branch would be required. This fixes rdar://7392894. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88692 91177308-0d34-0410-b5e6-96231b3b80d8