Mark external globals incomplete in the BU Globals graph, fixing
Analysis/DSGraph/2005-03-22-IncompleteGlobal.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20773 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp
index 0a9994c..47ffc87 100644
--- a/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -82,6 +82,9 @@
GlobalsGraph->removeTriviallyDeadNodes();
GlobalsGraph->maskIncompleteMarkers();
+ // Mark external globals incomplete.
+ GlobalsGraph->markIncompleteNodes(DSGraph::IgnoreGlobals);
+
// Merge the globals variables (not the calls) from the globals graph back
// into the main function's graph so that the main function contains all of
// the information about global pools and GV usage in the program.