invAnalysis.setClassAndMethod(new JavaClassAndMethod(getJavaClass(analysisCache, descriptor.getClassDescriptor()),
getMethod(analysisCache, descriptor)));
IsNullValueDataflow invDataflow = new IsNullValueDataflow(cfg, invAnalysis);
invDataflow.execute();
if (ClassContext.DUMP_DATAFLOW_ANALYSIS) {
invDataflow.dumpDataflow(invAnalysis);
}
return invDataflow;