src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core/src/org/graalvm/compiler/core/match/MatchableNode.java

*** 62,67 ****
--- 62,69 ----
  
      /**
       * Can a node with multiple uses be safely matched by a rule.
       */
      boolean shareable() default false;
+ 
+     boolean ignoresSideEffects() default false;
  }