[PATCH] D25862: X86: Improve BT instruction selection for 64-bit values.

[Sanjay Patel via llvm-commits]

spatel accepted this revision.
spatel added a comment.
This revision is now accepted and ready to land.

LGTM.
Although it seems like this could be a universal strength reduction optimization in IR. Ie, we should shrink these ops with the help of the datalayout in InstCombine?


https://reviews.llvm.org/D25862