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

rev 52509 : [mq]: graal2

@@ -46,10 +46,17 @@
 
     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) {