ART: Describe static fields in GraphVisualizer.

Test: Rely on TreeHugger.
Change-Id: I3388a469a96c665abc51abe2cf7d2b2004db7d78
diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index a20ec3c..3035e46 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -501,6 +501,20 @@
     StartAttributeStream("field_type") << iset->GetFieldType();
   }
 
+  void VisitStaticFieldGet(HStaticFieldGet* sget) OVERRIDE {
+    StartAttributeStream("field_name") <<
+        sget->GetFieldInfo().GetDexFile().PrettyField(sget->GetFieldInfo().GetFieldIndex(),
+                                                      /* with type */ false);
+    StartAttributeStream("field_type") << sget->GetFieldType();
+  }
+
+  void VisitStaticFieldSet(HStaticFieldSet* sset) OVERRIDE {
+    StartAttributeStream("field_name") <<
+        sset->GetFieldInfo().GetDexFile().PrettyField(sset->GetFieldInfo().GetFieldIndex(),
+                                                      /* with type */ false);
+    StartAttributeStream("field_type") << sset->GetFieldType();
+  }
+
   void VisitUnresolvedInstanceFieldGet(HUnresolvedInstanceFieldGet* field_access) OVERRIDE {
     StartAttributeStream("field_type") << field_access->GetFieldType();
   }