commit b19955d3c8fbd9588f7e17299e559d02938154b6
author Vladimir Marko <vmarko@google.com> Tue Jul 29 12:04:10 2014 +0100
committer Vladimir Marko <vmarko@google.com> Thu Jul 31 09:57:09 2014 +0100
tree 10113a67776d1bb050115043e47e6970a85103c5
parent 36b111c7d3d635e262114dabde4c26952c7dcbe6

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
Change-Id: I8c88c3009663754e1b66c0ef3f62c3b93276e385

compiler/dex/local_value_numbering_test.cc

diff --git a/compiler/dex/local_value_numbering_test.cc b/compiler/dex/local_value_numbering_test.cc
index b3eae42..e4e944e 100644
--- a/compiler/dex/local_value_numbering_test.cc
+++ b/compiler/dex/local_value_numbering_test.cc
@@ -196,7 +196,7 @@
     cu_.mir_graph.reset(new MIRGraph(&cu_, &cu_.arena));
     allocator_.reset(ScopedArenaAllocator::Create(&cu_.arena_stack));
     gvn_.reset(new (allocator_.get()) GlobalValueNumbering(&cu_, allocator_.get()));
-    lvn_.reset(new (allocator_.get()) LocalValueNumbering(gvn_.get(), 0u));
+    lvn_.reset(new (allocator_.get()) LocalValueNumbering(gvn_.get(), 0u, allocator_.get()));
     gvn_->AllowModifications();
   }