| commit | 36850ad779cb77930ab9e03bc1bde4ad47dc9dce | [log] [tgz] |
|---|---|---|
| author | David Majnemer <david.majnemer@gmail.com> | Tue Jul 30 21:01:36 2013 +0000 |
| committer | David Majnemer <david.majnemer@gmail.com> | Tue Jul 30 21:01:36 2013 +0000 |
| tree | 55320cf98b59089420c34256837aa112a489eb72 | |
| parent | f34dc428fa577d6d5d71ab3a1f9765b4e5da5a4f [diff] |
isKnownToBeAPowerOfTwo: Strengthen isKnownToBeAPowerOfTwo's analysis on add instructions Call into ComputeMaskedBits to figure out which bits are set on both add operands and determine if the value is a power-of-two-or-zero or not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187445 91177308-0d34-0410-b5e6-96231b3b80d8