[llvm] [VPlan] Construct immutable VPIRBBs for exit blocks at construction(NFC) (PR #128374)

[Florian Hahn via llvm-commits]

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@@ -9140,6 +9140,10 @@ collectUsersInExitBlocks(Loop *OrigLoop, VPRecipeBuilder &Builder,
                          VPlan &Plan) {
   SetVector<VPIRInstruction *> ExitUsersToFix;
   for (VPIRBasicBlock *ExitVPBB : Plan.getExitBlocks()) {
+    // Nothing to do for unreachable exit blocks.
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fhahn wrote:

Yep, once we connect the exits also to the scalar loop

https://github.com/llvm/llvm-project/pull/128374