Escape analysis woes

After.java

    @Specialization(guards = "isLong(vframe)")
    public long readLong(VirtualFrame vframe) {
        try {
            return vframe.getLong(getSlot());
        } catch (FrameSlotTypeException e) { }
        MaterializedFrame frame = getLexicalScope(vframe);
        while (true) {
            try {
                return frame.getLong(getSlot());
            } catch (FrameSlotTypeException e) {
                frame = getLexicalScope(frame);
                if (frame == null) {
                    throw new RuntimeException("Undefined variable " + getSlot().getIdentifier());
                }
            }
        }
    }

    @Specialization(replaces = {"readLong"})
    public Object readObject(VirtualFrame vframe) {
        Object value = vframe.getValue(getSlot());
        if (value != null)
            return value;
        MaterializedFrame frame = getLexicalScope(vframe);
        value = frame.getValue(getSlot());
        if (value != null)
            return value;

        while (value == null) {
            frame = getLexicalScope(frame);
            if (frame == null) {
                throw new RuntimeException("Undefined variable " + getSlot().getIdentifier());
            } else {
                value = frame.getValue(getSlot());
            }
        }
        return value;
    }

Before.java

    @Specialization(guards = "isLong(vframe)")
    public long readLong(VirtualFrame vframe) {
        Frame frame = vframe;
        while (true) {
            try {
                return frame.getLong(getSlot());
            } catch (FrameSlotTypeException e) {
                frame = getLexicalScope(frame);
                if (frame == null) {
                    throw new RuntimeException("Undefined variable " + getSlot().getIdentifier());
                }
            }
        }
    }

    @Specialization(replaces = {"readLong"})
    public Object readObject(VirtualFrame vframe) {
        Frame frame = vframe;
        Object value = frame.getValue(getSlot());
        while (value == null) {
            frame = getLexicalScope(frame);
            if (frame == null) {
                throw new RuntimeException("Undefined variable " + getSlot().getIdentifier());
            } else {
                value = frame.getValue(getSlot());
            }
        }
        return value;
    }

getLexicalScope.java

    public MaterializedFrame getLexicalScope(Frame frame) {
        Object[] args = frame.getArguments();
        if (args.length > 0)
            return (MaterializedFrame) args[0];
        else {
            return null;
        }
    }