[llvm-branch-commits] [llvm] [LV] Optimize partial reduction extends before handling inloop subs (PR #199665)

[Benjamin Maxwell via llvm-branch-commits]

MacDue wrote:

This is a stacked PR:
- https://github.com/llvm/llvm-project/pull/199664
- :point_right: https://github.com/llvm/llvm-project/pull/199665

https://github.com/llvm/llvm-project/pull/199665