ValueNumberFrameModelingVisitor visitor = new ValueNumberFrameModelingVisitor(fact, methodGen.getConstantPool(), factory);
ValueNumberFrameModelingVisitor visitor = new ValueNumberFrameModelingVisitor(fact, methodGen.getConstantPool(), factory, cache);
	public void transferInstruction(InstructionHandle handle, ValueNumberFrame fact) throws DataflowAnalysisException {		ValueNumberFrameModelingVisitor visitor = new ValueNumberFrameModelingVisitor(fact, methodGen.getConstantPool(), factory);		Instruction ins = handle.getInstruction();		ins.accept(visitor);	}