[PATCH] D138186: InstCombine: Simplify vector load based on demanded elements

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D138186#3969988 <https://reviews.llvm.org/D138186#3969988>, @ruiling wrote:

> I think the best solution for the motivating problem is in the backend, where the load instructions have reached its final form, thus could help more cases. A load in LLVM IR is still subject to either split or combine.

I think the opposite. The backend load passes have to deal with way more patterns and addressing modes


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138186/new/

https://reviews.llvm.org/D138186