src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/LoopEndNode.java

rev 52509 : [mq]: graal2

*** 25,35 ****
--- 25,38 ----
  package org.graalvm.compiler.nodes;
  
  import static org.graalvm.compiler.nodeinfo.InputType.Association;
  import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
  import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
+ import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
  import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+ import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_2;
+ import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN;
  
  import java.util.Collections;
  
  import org.graalvm.compiler.graph.Node;
  import org.graalvm.compiler.graph.NodeClass;
*** 141,160 ****
          return Collections.emptyList();
      }
  
      @Override
      public NodeCycles estimatedNodeCycles() {
          if (canSafepoint()) {
              // jmp+read
              return CYCLES_2;
          }
          return super.estimatedNodeCycles();
      }
  
      @Override
      public NodeSize estimatedNodeSize() {
          if (canSafepoint()) {
!             return NodeSize.SIZE_2;
          }
          return super.estimatedNodeSize();
      }
  }
--- 144,169 ----
          return Collections.emptyList();
      }
  
      @Override
      public NodeCycles estimatedNodeCycles() {
+         if (loopBegin() == null) {
+             return CYCLES_UNKNOWN;
+         }
          if (canSafepoint()) {
              // jmp+read
              return CYCLES_2;
          }
          return super.estimatedNodeCycles();
      }
  
      @Override
      public NodeSize estimatedNodeSize() {
+         if (loopBegin() == null) {
+             return SIZE_UNKNOWN;
+         }
          if (canSafepoint()) {
!             return SIZE_2;
          }
          return super.estimatedNodeSize();
      }
  }