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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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6
src/nfagraph/ng_region.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, Intel Corporation
* Copyright (c) 2015-2016, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -71,7 +71,7 @@ using namespace std;
namespace ue2 {
typedef ue2::unordered_set<NFAEdge> BackEdgeSet;
typedef boost::filtered_graph<NFAGraph, AcyclicFilter<BackEdgeSet>>
typedef boost::filtered_graph<NFAGraph, bad_edge_filter<BackEdgeSet>>
AcyclicGraph;
namespace {
@@ -454,7 +454,7 @@ ue2::unordered_map<NFAVertex, u32> assignRegions(const NGHolder &g) {
.color_map(make_iterator_property_map(
colours.begin(), get(&NFAGraphVertexProps::index, g.g))));
AcyclicFilter<BackEdgeSet> af(&deadEdges);
auto af = make_bad_edge_filter(&deadEdges);
AcyclicGraph acyclic_g(g.g, af);
// Build a (reverse) topological ordering.