[llvm] [LV] Add support for partial alias masking with tail folding (PR #182457)

[Sander de Smalen via llvm-commits]

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@@ -8786,7 +8894,8 @@ static bool processLoopInVPlanNativePath(
   VPlan &BestPlan = LVP.getPlanFor(VF.Width);
 
   {
-    GeneratedRTChecks Checks(PSE, DT, LI, TTI, CM.CostKind);
+    GeneratedRTChecks Checks(PSE, DT, LI, TTI, CM.CostKind,
+                             CM.maskPartialAliasing());
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sdesmalen-arm wrote:

nit: there are no tests for the vplan native path. Should that be able to support partial alias masking?

https://github.com/llvm/llvm-project/pull/182457