# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1415278210 -3600
# Node ID ffcbc50063a38c86c4119b8e89bc64b527af2cb1
# Parent  420161aee8400cd57743631b8fd998bfb50f7a63
 added HotSpotObjectConstant.getCallSiteTarget()

diff -r 420161aee840 -r ffcbc50063a3 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstant.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstant.java	Thu Nov 06 13:48:01 2014 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstant.java	Thu Nov 06 13:50:10 2014 +0100
@@ -22,6 +22,9 @@
  */
 package com.oracle.graal.hotspot.meta;
 
+import java.lang.invoke.*;
+
+import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.graph.*;
 
@@ -74,4 +77,15 @@
      * @return {@code null} if this constant does not represent a {@link Class} object
      */
     JavaConstant getSuperclass();
+
+    /**
+     * Gets the result of {@link CallSite#getTarget()} for the {@link CallSite} object represented
+     * by this constant.
+     *
+     * @param assumptions used to register an assumption that the {@link CallSite}'s target does not
+     *            change
+     * @return {@code null} if this constant does not represent a {@link CallSite} object
+     */
+    JavaConstant getCallSiteTarget(Assumptions assumptions);
+
 }
diff -r 420161aee840 -r ffcbc50063a3 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java	Thu Nov 06 13:48:01 2014 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotObjectConstantImpl.java	Thu Nov 06 13:50:10 2014 +0100
@@ -22,6 +22,9 @@
  */
 package com.oracle.graal.hotspot.meta;
 
+import java.lang.invoke.*;
+
+import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.graph.*;
 
@@ -131,6 +134,21 @@
         return null;
     }
 
+    public JavaConstant getCallSiteTarget(Assumptions assumptions) {
+        if (object instanceof CallSite) {
+            CallSite callSite = (CallSite) object;
+            MethodHandle target = callSite.getTarget();
+            if (!(callSite instanceof ConstantCallSite)) {
+                if (assumptions == null || !assumptions.useOptimisticAssumptions()) {
+                    return null;
+                }
+                assumptions.record(new Assumptions.CallSiteTargetValue(callSite, target));
+            }
+            return HotSpotObjectConstantImpl.forObject(target);
+        }
+        return null;
+    }
+
     @Override
     public boolean isNull() {
         return false;
diff -r 420161aee840 -r ffcbc50063a3 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java	Thu Nov 06 13:48:01 2014 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CallSiteTargetNode.java	Thu Nov 06 13:50:10 2014 +0100
@@ -22,8 +22,6 @@
  */
 package com.oracle.graal.hotspot.replacements;
 
-import java.lang.invoke.*;
-
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.graph.*;
@@ -51,15 +49,11 @@
 
     private ConstantNode getConstantCallTarget(MetaAccessProvider metaAccess, Assumptions assumptions) {
         if (getCallSite().isConstant() && !getCallSite().isNullConstant()) {
-            CallSite callSite = (CallSite) HotSpotObjectConstantImpl.asObject(getCallSite().asJavaConstant());
-            MethodHandle target = callSite.getTarget();
-            if (!(callSite instanceof ConstantCallSite)) {
-                if (assumptions == null || !assumptions.useOptimisticAssumptions()) {
-                    return null;
-                }
-                assumptions.record(new Assumptions.CallSiteTargetValue(callSite, target));
+            HotSpotObjectConstant c = (HotSpotObjectConstant) getCallSite().asConstant();
+            JavaConstant target = c.getCallSiteTarget(assumptions);
+            if (target != null) {
+                return ConstantNode.forConstant(target, metaAccess);
             }
-            return ConstantNode.forConstant(HotSpotObjectConstantImpl.forObject(target), metaAccess, graph());
         }
         return null;
     }