Function rustc_mir::util::graphviz::write_mir_fn_graphviz

pub fn write_mir_fn_graphviz<'tcx, W>(
    tcx: TyCtxt<'tcx>, 
    body: &Body<'_>, 
    subgraph: bool, 
    w: &mut W
) -> Result<()> where
    W: Write, 

Write a graphviz DOT graph of the MIR.