[PATCH] D12325: Improve ISel using across lane addition reduction

[Chad Rosier via llvm-commits]

mcrosier added a comment.

In http://reviews.llvm.org/D12325#233611, @junbuml wrote:

> I may prefer to get this patch in first, and extend it to support other types. James, let me know your thought.


The LLVM community prefers incremental changes, which simplifies code review as well as eases bisection.  It might be wise to land this patch before moving onto the other types of reductions.


http://reviews.llvm.org/D12325