[LV] Use PHI recipe instead of PredRecipe for subsequent uses.

At the moment, the VPPRedInstPHIRecipe is not used in subsequent uses of
the predicate recipe. This incorrectly models the def-use chains, as all
later uses should use the phi recipe. Fix that by delaying recording of
the recipe.

Reviewed By: Ayal

Differential Revision: https://reviews.llvm.org/D129436