[PATCH] D17691: [X86][SSE] Improve vector ZERO_EXTEND by combining to ZERO_EXTEND_VECTOR_INREG

[Simon Pilgrim via llvm-commits]

RKSimon added a comment.

In http://reviews.llvm.org/D17691#363842, @delena wrote:

> Looks better. I suggest to run llc with --debug for zext and sext for SKX and compare between them.
>  But in general, the patch looks good.


No problem - I'll put my findings on PR26762.

OK to commit?


Repository:
  rL LLVM

http://reviews.llvm.org/D17691