tree 775a238a5a3572030a4a8e0bb560865a74410d37
parent b99b8d6cffe08d8c9d30175c936e5c88d3101802
author Vladimir Marko <vmarko@google.com> 1406631850 +0100
committer Vladimir Marko <vmarko@google.com> 1406801910 +0100

Reduce time and memory usage of GVN.

Filter out dead sregs in GVN. Reclaim memory after each LVN
in the GVN modification phase.

Bug: 16398693

(cherry picked from commit b19955d3c8fbd9588f7e17299e559d02938154b6)

Change-Id: I33c7912258a768b4c99d787056979fbc3b023b3b