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changeset 9322:1f4f33291099

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GraphBuilder: remove hack for obtaining profile information of unique subtypes let's see how it affects performance
author Bernhard Urban <bernhard.urban@jku.at>
date Fri, 26 Apr 2013 14:14:14 +0200
parents cd1a1d92b3e3
children eeb046e7e7da
files graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java
diffstat 1 files changed, 1 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java	Thu Apr 25 18:14:08 2013 +0200
+++ b/graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderPhase.java	Fri Apr 26 14:14:14 2013 +0200
@@ -34,7 +34,6 @@
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
 import com.oracle.graal.api.meta.*;
-import com.oracle.graal.api.meta.JavaTypeProfile.ProfiledType;
 import com.oracle.graal.api.meta.ProfilingInfo.TriState;
 import com.oracle.graal.api.meta.ResolvedJavaType.Representation;
 import com.oracle.graal.bytecode.*;
@@ -798,12 +797,7 @@
         if (!optimisticOpts.useTypeCheckHints() || !canHaveSubtype(type)) {
             return null;
         } else {
-            ResolvedJavaType uniqueSubtype = type.findUniqueConcreteSubtype();
-            if (uniqueSubtype != null) {
-                return new JavaTypeProfile(profilingInfo.getNullSeen(bci()), 0.0D, new ProfiledType(uniqueSubtype, 1.0D));
-            } else {
-                return profilingInfo.getTypeProfile(bci());
-            }
+            return profilingInfo.getTypeProfile(bci());
         }
     }