[llvm] [VPlan] Update scalar induction resume values in VPlan. (PR #110577)

[via llvm-commits]

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@@ -7988,25 +8021,37 @@ EpilogueVectorizerEpilogueLoop::createEpilogueVectorizedLoopSkeleton(
       Phi->removeIncomingValue(EPI.MemSafetyCheck);
   }
 
-  // Generate a resume induction for the vector epilogue and put it in the
-  // vector epilogue preheader
+  // Generate a resume phi for the canonical induction of the vector epilogue
+  // and put it in the vector epilogue preheader, unless such a phi already
+  // exists there - and can be reused
----------------
ayalz wrote:

```suggestion
  // exists there - and can be reused
```
```suggestion
  // exists there - and can be reused.
```


https://github.com/llvm/llvm-project/pull/110577