'note to self'
llvm-svn: 20727
diff --git a/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp b/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp
index 26f259e..76f8244 100644
--- a/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp
+++ b/llvm/lib/Analysis/DataStructure/TopDownClosure.cpp
@@ -188,8 +188,11 @@
std::sort(EdgesFromCaller.begin(), EdgesFromCaller.end());
- // Merge information from the globals graph into this graph.
- // FIXME: is this necessary?
+ // Merge information from the globals graph into this graph. FIXME: This is
+ // stupid. Instead of us cloning information from the GG into this graph,
+ // then having RemoveDeadNodes clone it back, we should do all of this as a
+ // post-pass over all of the graphs. We need to take cloning out of
+ // removeDeadNodes and gut removeDeadNodes at the same time first though. :(
{
DSGraph &GG = *DSG.getGlobalsGraph();
ReachabilityCloner RC(DSG, GG,