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Diffstat (limited to 'tools/llvmc/doc/LLVMC-Reference.rst')
| -rw-r--r-- | tools/llvmc/doc/LLVMC-Reference.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/llvmc/doc/LLVMC-Reference.rst b/tools/llvmc/doc/LLVMC-Reference.rst index 6189ec2182..1c0da18189 100644 --- a/tools/llvmc/doc/LLVMC-Reference.rst +++ b/tools/llvmc/doc/LLVMC-Reference.rst @@ -92,6 +92,10 @@ configuration libraries: * ``-v`` - Enable verbose mode, i.e. print out all executed commands. +* ``--check-graph`` - Check the compilation for common errors like + mismatched output/input language names, multiple default edges and + cycles. Hidden option, useful for debugging. + * ``--view-graph`` - Show a graphical representation of the compilation graph. Requires that you have ``dot`` and ``gv`` programs installed. Hidden option, useful for debugging. @@ -605,6 +609,14 @@ Ghostview_ are installed. There is also a ``--dump-graph`` option that creates a Graphviz source file (``compilation-graph.dot``) in the current directory. +Another useful option is ``--check-graph``. It checks the compilation +graph for common errors like mismatched output/input language names, +multiple default edges and cycles. These checks can't be performed at +compile-time because the plugins can load code dynamically. When +invoked with ``--check-graph``, ``llvmc`` doesn't perform any +compilation tasks and returns the number of encountered errors as its +status code. + .. _Graphviz: http://www.graphviz.org/ .. _Ghostview: http://pages.cs.wisc.edu/~ghost/ |