| commit | a5dd5505883aa90d01d442e3a5db5aedc2277f9e | [log] [tgz] |
|---|---|---|
| author | Jakub Staszak <jstaszak@apple.com> | Sun Jul 31 03:27:24 2011 +0000 |
| committer | Jakub Staszak <jstaszak@apple.com> | Sun Jul 31 03:27:24 2011 +0000 |
| tree | ee5620a8483049f77389804417f6167442beda6e | |
| parent | e2721f75503d9195d02b8d2dc4d196b9256873e9 [diff] |
Add Zero Heurestics to BranchProbabilityInfo. If we compare value to zero we decide whether condition is likely to be true this way: x == 0 -> false x < 0 -> false x <= 0 -> false x != 0 -> true x > 0 -> true x >= 0 -> true git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136583 91177308-0d34-0410-b5e6-96231b3b80d8