Revert "Revert "load store elimination.""

This reverts commit 8030c4100d2586fac39ed4007c61ee91d4ea4f25.

Change-Id: I79558d85484be5f5d04e4a44bea7201fece440f0
diff --git a/compiler/Android.mk b/compiler/Android.mk
index 960134f..58f70fa 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -78,6 +78,7 @@
 	optimizing/instruction_simplifier.cc \
 	optimizing/intrinsics.cc \
 	optimizing/licm.cc \
+	optimizing/load_store_elimination.cc \
 	optimizing/locations.cc \
 	optimizing/nodes.cc \
 	optimizing/optimization.cc \