| commit | 1a08accbb7e5430b41045d67eec09367ee96495e | [log] [tgz] |
|---|---|---|
| author | David Majnemer <david.majnemer@gmail.com> | Fri Apr 12 17:25:07 2013 +0000 |
| committer | David Majnemer <david.majnemer@gmail.com> | Fri Apr 12 17:25:07 2013 +0000 |
| tree | 600122d3d9324bf0deba2ddd9fdd94d97635dd9d | |
| parent | 2249e9cfa8d1ee57d3b9fc1094f6874072c1ae1d [diff] |
Simplify (A & ~B) in icmp if A is a power of 2 The transform will execute like so: (A & ~B) == 0 --> (A & B) != 0 (A & ~B) != 0 --> (A & B) == 0 llvm-svn: 179386