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

[Elena Demikhovsky via llvm-commits]

delena added a comment.

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.


Repository:
  rL LLVM

http://reviews.llvm.org/D17691