Revert "Use the object class as top in reference type propagation"

failing on the build bot on some targets but not locally. needs more investigation.

This reverts commit 20e6071362b84a9782b633a893c29ebde458205e.

Change-Id: I6965483f569fb862f9bdb66d459b747ded54de71

1 files changed, 11 insertions, 6 deletions

diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 1411f6eb22..c41574c93c 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -461,14 +461,19 @@ class HGraphVisualizerPrinter : public HGraphVisitor {
         if (instruction->IsLoadClass()) {
           ReferenceTypeInfo info = instruction->AsLoadClass()->GetLoadedClassRTI();
           ScopedObjectAccess soa(Thread::Current());
-          DCHECK(info.IsValid()) << "Invalid RTI for " << instruction->DebugName();
-          StartAttributeStream("klass") << PrettyClass(info.GetTypeHandle().Get());
-          StartAttributeStream("exact") << std::boolalpha << info.IsExact() << std::noboolalpha;
+          if (info.GetTypeHandle().GetReference() != nullptr) {
+            StartAttributeStream("klass") << PrettyClass(info.GetTypeHandle().Get());
+          } else {
+            StartAttributeStream("klass") << "unresolved";
+          }
         } else {
           ReferenceTypeInfo info = instruction->GetReferenceTypeInfo();
-          ScopedObjectAccess soa(Thread::Current());
-          DCHECK(info.IsValid()) << "Invalid RTI for " << instruction->DebugName();
-          StartAttributeStream("klass") << PrettyClass(info.GetTypeHandle().Get());
+          if (info.IsTop()) {
+            StartAttributeStream("klass") << "java.lang.Object";
+          } else {
+            ScopedObjectAccess soa(Thread::Current());
+            StartAttributeStream("klass") << PrettyClass(info.GetTypeHandle().Get());
+          }
           StartAttributeStream("exact") << std::boolalpha << info.IsExact() << std::noboolalpha;
         }
       }