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

[Florian Hahn via llvm-commits]

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@@ -8998,6 +9108,16 @@ static SetVector<VPIRInstruction *> collectUsersInExitBlocks(
           if (ExitVPBB->getSinglePredecessor() == MiddleVPBB)
             continue;
         }
+        // Exit values for CSAs are computed and updated outside of VPlan and
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fhahn wrote:

I am missing where the exit values are computed outside of VPlan. What's preventing them from being competed in VPlan?


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