Make removeTriviallyDeadNodes a private interface of DSGraph
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4659 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 584031b..630ec5f 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -772,8 +772,7 @@
//
bool DSGraph::isNodeDead(DSNode *N) {
// Is it a trivially dead shadow node...
- if (N->getReferrers().empty() &&
- (N->NodeType == 0 || N->NodeType == DSNode::DEAD))
+ if (N->getReferrers().empty() && (N->NodeType & ~DSNode::DEAD) == 0)
return true;
// Is it a function node or some other trivially unused global?