[llvm] [LoopVectorize] Add initial support to VPRegionBlock for multiple successors (PR #108563)

[David Sherwood via llvm-commits]

david-arm wrote:

Marked as draft. After the community vectoriser call we agreed to go with a variant of the solution proposed by @fhahn - https://github.com/llvm/llvm-project/pull/109193. It also has multiple successors from the VPRegionBlock, but has a single exiting loop in the loop region.

https://github.com/llvm/llvm-project/pull/108563