[llvm] [LV][VPlan] Add initial support for CSA vectorization (PR #106560)

[Florian Hahn via llvm-commits]

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@@ -3497,6 +3695,8 @@ class VPlan {
   /// live-outs are fixed via VPLiveOut::fixPhi.
   MapVector<PHINode *, VPLiveOut *> LiveOuts;
 
+  MapVector<PHINode *, VPCSAState *> CSAStates;
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fhahn wrote:

Why does this need to be part of VPlan? Is it not possible to encode all required info in recipes?

https://github.com/llvm/llvm-project/pull/106560