[PATCH] D19805: [SelectionDAG] BITREVERSE vector legalization of bit operations

[Simon Pilgrim via llvm-commits]

RKSimon added a comment.

Reapplied using a newly added TLI::isOperationLegalOrCustomOrPromote - tested on windows and osx before commit and the buildbots are happier this time.


Repository:
  rL LLVM

http://reviews.llvm.org/D19805