[llvm] [VPlan] Model first memory runtime checks as VPlan recipes. (PR #221483)

[Ramkumar Ramachandra via llvm-commits]

================
@@ -1538,6 +1538,48 @@ void VPlanTransforms::attachCheckBlock(VPlan &Plan, Value *Cond,
   attachVPCheckBlock(Plan, CondVPV, CheckBlockVPBB, AddBranchWeights);
 }
 
+void VPlanTransforms::attachMemoryChecks(VPlan &Plan,
+                                         ArrayRef<RuntimePointerCheck> Checks,
+                                         ScalarEvolution &SE, DebugLoc DL,
+                                         bool AddBranchWeights) {
+  assert(!Checks.empty() && "no checks to generate");
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artagnon wrote:

```suggestion
  assert(!Checks.empty() && "No checks to generate");
```

https://github.com/llvm/llvm-project/pull/221483