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simple pass to pick up paths redundant with those from cyclic's succs

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This commit is contained in:
Alex Coyte
2016-10-06 15:54:48 +11:00
committed by Matthew Barr
parent 8cadba0bdd
commit 47f53f63a7
13 changed files with 234 additions and 68 deletions
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7
src/nfagraph/ng_util.cpp
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@@ -403,8 +403,7 @@ vector<NFAVertex> getTopoOrdering(const NGHolder &g) {
colour.begin(), index_map))
.vertex_index_map(index_map));
AcyclicFilter<EdgeSet> af(&be.backEdges);
filtered_graph<NFAGraph, AcyclicFilter<EdgeSet>> acyclic_g(g.g, af);
auto acyclic_g = make_filtered_graph(g.g, make_bad_edge_filter(&backEdges));
vector<NFAVertex> ordering;
ordering.reserve(num_verts);
@@ -435,9 +434,7 @@ void mustBeSetBefore_int(NFAVertex u, const NGHolder &g,
}
}
// The AcyclicFilter is badly named, it's really just an edge-set filter.
filtered_graph<NFAGraph, AcyclicFilter<set<NFAEdge>>> prefix(g.g,
AcyclicFilter<set<NFAEdge>>(&dead));
auto prefix = make_filtered_graph(g.g, make_bad_edge_filter(&dead));
depth_first_visit(
prefix, g.start, make_dfs_visitor(boost::null_visitor()),