commit 63999683329612292d534e6be09dbde9480f1250
author Serban Constantinescu <serban.constantinescu@arm.com> Tue Jul 15 17:44:21 2014 +0100
committer Serban Constantinescu <serban.constantinescu@arm.com> Mon Jul 28 19:17:30 2014 +0100
tree 4412a387d3fc4313f98138764ce9197f58f9825c
parent 3f49507c333b7c8d36620870522a7a1055987ef8

Revert "Revert "Enable Load Store Elimination for ARM and ARM64""

This patch refactors the implementation of the LoadStoreElimination
optimisation pass. Please note that this pass was disabled and not
functional for any of the backends.

The current implementation tracks aliases and handles DalvikRegs as well
as Heap memory regions. It has been tested and it is known to optimise
out the following:
  * Load - Load
  * Store - Load
  * Store - Store
  * Load Literals

Change-Id: I3aadb12a787164146a95bc314e85fa73ad91e12b