Prune function nodes that are no longer referenced due to inlining
llvm-svn: 4036
diff --git a/llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp b/llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp
index 11ee606..475f687 100644
--- a/llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/llvm/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -253,6 +253,7 @@
Graph->maskIncompleteMarkers();
Graph->markIncompleteNodes();
+ Graph->removeTriviallyDeadNodes(false);
Graph->removeDeadNodes(/*KeepAllGlobals*/ true, /*KeepCalls*/ true);
DEBUG(std::cerr << " [BU] Done inlining: " << F.getName() << " ["