Create HGraph outside Builder, print timings

This patch refactors the way HGraph objects are created, moving the
instantiation out of the Builder class and creating the CodeGenerator
earlier. The patch uses this to build a single interface for printing
timings info and dumping the CFG.

Change-Id: I2eb63eabf28e2d0f5cdc7affaa690c3a4b1bdd21

1 files changed, 4 insertions, 3 deletions

diff --git a/compiler/optimizing/ssa_test.cc b/compiler/optimizing/ssa_test.cc
index 6b6bf05..7e90b37 100644
--- a/compiler/optimizing/ssa_test.cc
+++ b/compiler/optimizing/ssa_test.cc
@@ -78,10 +78,11 @@ static void ReNumberInstructions(HGraph* graph) {
 static void TestCode(const uint16_t* data, const char* expected) {
   ArenaPool pool;
   ArenaAllocator allocator(&pool);
-  HGraphBuilder builder(&allocator);
+  HGraph* graph = new (&allocator) HGraph(&allocator);
+  HGraphBuilder builder(graph);
   const DexFile::CodeItem* item = reinterpret_cast<const DexFile::CodeItem*>(data);
-  HGraph* graph = builder.BuildGraph(*item);
-  ASSERT_NE(graph, nullptr);
+  bool graph_built = builder.BuildGraph(*item);
+  ASSERT_TRUE(graph_built);
 
   graph->BuildDominatorTree();
   // Suspend checks implementation may change in the future, and this test relies