| commit | 133fa95ca7019682c74d1c40f93d68014827a943 | [log] [tgz] |
|---|---|---|
| author | Tony Jiang <jtony@ca.ibm.com> | Wed May 24 23:48:29 2017 +0000 |
| committer | Tony Jiang <jtony@ca.ibm.com> | Wed May 24 23:48:29 2017 +0000 |
| tree | c4604a2a2652f61f65f7a0717285a7a26ea24969 | |
| parent | 89995adbedc9da0152fc51437e8120dea131baad [diff] |
[PowerPC] Fix a performance bug for PPC::XXSLDWI. There are some VectorShuffle Nodes in SDAG which can be selected to XXSLDWI instruction, this patch recognizes them and does the selection to improve the PPC performance. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303822 91177308-0d34-0410-b5e6-96231b3b80d8