[llvm] [VPlan] Retain exit conditions and edges in initial VPlan (NFC). (PR #137709)

[via llvm-commits]

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@@ -422,13 +422,11 @@ static void createLoopRegion(VPlan &Plan, VPBlockBase *HeaderVPB) {
   R->setEntry(HeaderVPB);
   R->setExiting(LatchVPBB);
 
-  // All VPBB's reachable shallowly from HeaderVPB belong to the current region,
-  // except the exit blocks reachable via non-latch exiting blocks.
+  // All VPBB's reachable shallowly from HeaderVPB belong to the current region.
   SmallPtrSet<VPBlockBase *, 2> ExitBlocks(Plan.getExitBlocks().begin(),
                                            Plan.getExitBlocks().end());
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ayalz wrote:

```suggestion
```
?

https://github.com/llvm/llvm-project/pull/137709