Refactor HGraphBuilder and SsaBuilder to remove HLocals
This patch merges the instruction-building phases from HGraphBuilder
and SsaBuilder into a single HInstructionBuilder class. As a result,
it is not necessary to generate HLocal, HLoadLocal and HStoreLocal
instructions any more, as the builder produces SSA form directly.
Saves 5-15% of arena-allocated memory (see bug for more data):
GMS 20.46MB => 19.26MB (-5.86%)
Maps 24.12MB => 21.47MB (-10.98%)
YouTube 28.60MB => 26.01MB (-9.05%)
Bug: 27894376
Change-Id: Iefe28d40600c169c5d306fd2c77034ae19476d90
diff --git a/compiler/Android.mk b/compiler/Android.mk
index a7867e8..e9c22d2 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -54,6 +54,7 @@
optimizing/induction_var_analysis.cc \
optimizing/induction_var_range.cc \
optimizing/inliner.cc \
+ optimizing/instruction_builder.cc \
optimizing/instruction_simplifier.cc \
optimizing/intrinsics.cc \
optimizing/licm.cc \