[PATCH] D25347: [VirtRegRewriter] Eliminate COPYs before re-writing by renaming.

[Geoff Berry via llvm-commits]

gberry added a comment.

Hi Quentin,

Thanks.  FWIW, I could split this out into a separate pass that optionally runs just before VirtRegRewriter if that is more desirable.


https://reviews.llvm.org/D25347