Tony Jiang 60c247de18 [PowerPC] Fix a performance bug for PPC::XXPERMDI.
There are some VectorShuffle Nodes in SDAG which can be selected to XXPERMDI
Instruction, this patch recognizes them and does the selection to improve
the PPC performance.

Differential Revision: https://reviews.llvm.org/D33404

llvm-svn: 304298
2017-05-31 13:09:57 +00:00
..
2016-10-19 16:58:59 +00:00
2017-05-21 06:00:05 +00:00
2016-02-29 16:42:27 +00:00
2017-01-22 20:28:56 +00:00