cb9b66cb61
Enables non-power-of-2 vectorization within the SLP tree. The root nodes
are still required to be power-of-2, will be addressed in a follow-up
patches.
Recommit after revert in e19f36ff81
Original Pull Request: https://github.com/llvm/llvm-project/pull/151530
Reviewers:
Pull Request: https://github.com/llvm/llvm-project/pull/194189