[llvm] [VPlan] Dispatch to multiple exit blocks via middle blocks. (PR #112138)

[David Sherwood via llvm-commits]

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@@ -43,6 +43,10 @@ AllowStridedPointerIVs("lv-strided-pointer-ivs", cl::init(false), cl::Hidden,
                        cl::desc("Enable recognition of non-constant strided "
                                 "pointer induction variables."));
 
+static cl::opt<bool>
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david-arm wrote:

Do we need a description here, such as what I had in https://github.com/llvm/llvm-project/pull/88385/files for the same flag? Or is the idea to try to not expose this too much at this stage?

https://github.com/llvm/llvm-project/pull/112138