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analysis-utilities.rst

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Analysis utilities

.. currentmodule:: llvmlite.binding


.. function:: get_function_cfg(func, show_inst=True)

   Return a string of the control-flow graph of the function,
   in DOT format.

   * If `func` is not a materialized function, the module
     containing the function is parsed to create an actual
     LLVM module.
   * The `show_inst` flag controls whether the instructions of each block
     are ``printed.functions``.


.. function:: view_dot_graph(graph, filename=None, view=False)

   View the given DOT source. This function requires the
   graphviz package.

   * If view is ``True``, the image is rendered and displayed in
     the default application in the system. The file path of the
     output is returned.
   * If view is ``False``, a ``graphviz.Source`` object is
     returned.
   * If view is ``False`` and the environment is in an IPython
     session, an IPython image object is returned and can be
     displayed inline in the notebook.