diff options
Diffstat (limited to 'lib/Analysis/DataStructure/DataStructure.cpp')
| -rw-r--r-- | lib/Analysis/DataStructure/DataStructure.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp index 60aa766663..179f286378 100644 --- a/lib/Analysis/DataStructure/DataStructure.cpp +++ b/lib/Analysis/DataStructure/DataStructure.cpp @@ -1988,8 +1988,10 @@ void DSGraph::AssertGraphOK() const { } /// computeNodeMapping - Given roots in two different DSGraphs, traverse the -/// nodes reachable from the two graphs, computing the mapping of nodes from -/// the first to the second graph. +/// nodes reachable from the two graphs, computing the mapping of nodes from the +/// first to the second graph. This mapping may be many-to-one (i.e. the first +/// graph may have multiple nodes representing one node in the second graph), +/// but it will not work if there is a one-to-many or many-to-many mapping. /// void DSGraph::computeNodeMapping(const DSNodeHandle &NH1, const DSNodeHandle &NH2, NodeMapTy &NodeMap, |