| commit | d8319655f209cf2605a61d4a60b779e51baa29cc | [log] [tgz] |
|---|---|---|
| author | Ahmed Bougacha <ahmed.bougacha@gmail.com> | Fri May 22 21:37:17 2015 +0000 |
| committer | Ahmed Bougacha <ahmed.bougacha@gmail.com> | Fri May 22 21:37:17 2015 +0000 |
| tree | d71c0373f899030e67cb2b5750e3b67e9fb2eec4 | |
| parent | 6af60ebd5773478f93afd1bc848e660934346119 [diff] |
[AArch64][CGP] Sink zext feeding stxr/stlxr into the same block. The usual CodeGenPrepare trickery, on a target-specific intrinsic. Without this, the expansion of atomics will usually have the zext be hoisted out of the loop, defeating the various patterns we have to catch this precise case. Differential Revision: http://reviews.llvm.org/D9930 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238054 91177308-0d34-0410-b5e6-96231b3b80d8