[llvm] [LV] Replace remaining LogicalAnd to vp.merge in EVL optimization. (PR #184068)

[Luke Lau via llvm-commits]

================
@@ -3143,6 +3145,22 @@ void VPlanTransforms::optimizeEVLMasks(VPlan &Plan) {
       OldRecipes.push_back(R);
     }
   }
+
+  // Remove remaining LogicalAnd(HeaderMask, Mask) to vp.merge (True, Mask,
+  // False, EVL)
----------------
lukel97 wrote:

Nit I think simplifyRecipes uses the && notation for LogicalAnd

```suggestion
  // Replace remaining (HeaderMask && Mask) with vp.merge (True, Mask,
  // False, EVL)
```

https://github.com/llvm/llvm-project/pull/184068