| commit | 41d08309c8cfc381f03c7d5edd38a7001a45c266 | [log] [tgz] |
|---|---|---|
| author | Sanjay Patel <spatel@rotateright.com> | Tue Jan 08 22:39:55 2019 +0000 |
| committer | Sanjay Patel <spatel@rotateright.com> | Tue Jan 08 22:39:55 2019 +0000 |
| tree | f3f3bba260d1b53af2748c25003bd904d19a8606 | |
| parent | d7d79030fba0887c010619b4b7752c908f20a24e [diff] |
[InstCombine] canonicalize another raw IR rotate pattern to funnel shift This is matching the equivalent of the DAG expansion, so it should never end up with worse perf than the original code even if the target doesn't have a rotate instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350672 91177308-0d34-0410-b5e6-96231b3b80d8