Clenaups:
 * Encapsulated same code in methods
 * Inlined trace prints
 * Don't set as queued, we are going to visit it anyway
 * Moved the phi check updwards

Bug: v8:10424
Change-Id: I82534399617d97d717c5c0dd1ca4bfef9df91e97
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2218037
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68393}