tree 43b77938d0a3d9ab7c9249c99ac76b26a4e6d262
parent d0790d09af8ffb07f2367dae28ec3fdfbe6f6220
author Ian Zerny <zerny@google.com> 1504763076 +0200
committer Ian Zerny <zerny@google.com> 1504763076 +0200

Eliminate debug-moves if their preceding phi-move is sufficient.

This reapplies 4c93257 after the recent debug def-use-chain changes.

Bug: 64831882

Change-Id: I4205d5738ea3b49bc311db6e428de3aed886a16d