Method step

chapter21/src/test/java/com/seaofnodes/simple/Eval2.java:240–249

(Node n, SB trace)

    // Take a worklist step: one data op from the current Control is updated.
    private static void step(Node n, SB trace) {
        if( n instanceof PhiNode ) return;
        // Compute new value
        F.put0(n,compute(n));
        traceData(n,trace);
        // Also do any following projections, which are not in the local schedule otherwise
        if( n instanceof MultiNode )
            for( Node use : n._outputs )
                step(use,trace);
    }

    // From here down shamelessly copied from Evaluator, written by @Xmilia
    private static Object compute( Node n ) {