Add a Transform to SSA phase to the optimizing compiler.

Change-Id: Ia9700756a0396d797a00b529896487d52c989329
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index d19c40c..9438890 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -100,6 +100,10 @@
   std::vector<uint8_t> gc_map;
   codegen->BuildNativeGCMap(&gc_map, dex_compilation_unit);
 
+  // Run these phases to get some test coverage.
+  graph->BuildDominatorTree();
+  graph->TransformToSSA();
+
   return new CompiledMethod(driver,
                             instruction_set,
                             allocator.GetMemory(),