[llvm] [LV] Compute SCEV for memcheck before unlinking (PR #160326)

[David Sherwood via llvm-commits]

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@@ -575,6 +575,8 @@ LLVM_ABI Loop *cloneLoop(Loop *L, Loop *PL, ValueToValueMapTy &VM, LoopInfo *LI,
 
 /// Add code that checks at runtime if the accessed arrays in \p PointerChecks
 /// overlap. Returns the final comparator value or NULL if no check is needed.
+/// If \p HoistRuntimeChecks and \p TheLoop has a parent, sets \p
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david-arm wrote:

nit: Perhaps this should be something like:

```
  /// If \p HoistRuntimeChecks is true and \p TheLoop has a parent, then \p HoistRuntimeChecks
  /// is set to true when all checks are outer-loop invariant, i.e. hoistable,
  /// or false otherwise.
```

What do you think?

https://github.com/llvm/llvm-project/pull/160326