Fix a bug where we would delete neccesary calls in bu pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5465 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 2c9a75c..bf7ec77 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -1058,7 +1058,8 @@
std::vector<bool> AuxFCallsAlive(AuxFunctionCalls.size());
for (unsigned i = 0, e = AuxFunctionCalls.size(); i != e; ++i)
- if (CallSiteUsesAliveArgs(AuxFunctionCalls[i], Alive, Visited)) {
+ if (!(Flags & DSGraph::RemoveUnreachableGlobals) ||
+ CallSiteUsesAliveArgs(AuxFunctionCalls[i], Alive, Visited)) {
AuxFunctionCalls[i].markReachableNodes(Alive);
AuxFCallsAlive[i] = true;
}