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

rev 52509 : [mq]: graal

*** 46,55 ****
--- 46,62 ----
  
      public RightShiftNode(ValueNode x, ValueNode y) {
          super(TYPE, ArithmeticOpTable::getShr, x, y);
      }
  
+     public static ValueNode create(ValueNode x, int y, NodeView view) {
+         if (y == 0) {
+             return x;
+         }
+         return create(x, ConstantNode.forInt(y), view);
+     }
+ 
      public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
          ArithmeticOpTable.ShiftOp<Shr> op = ArithmeticOpTable.forStamp(x.stamp(view)).getShr();
          Stamp stamp = op.foldStamp(x.stamp(view), (IntegerStamp) y.stamp(view));
          ValueNode value = ShiftNode.canonical(op, stamp, x, y, view);
          if (value != null) {