Teach internalize to preserve the callgraph.
Why? Because it was there!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56996 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index fba1d00..5aac296 100644
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -282,6 +282,19 @@
}
}
+/// removeOneAbstractEdgeTo - Remove one edge associated with a null callsite
+/// from this node to the specified callee function.
+void CallGraphNode::removeOneAbstractEdgeTo(CallGraphNode *Callee) {
+ for (unsigned i = CalledFunctions.size(); ; --i) {
+ assert(i && "Cannot find callee to remove!");
+ CallRecord &CR = CalledFunctions[i-1];
+ if (CR.second == Callee && !CR.first.getInstruction()) {
+ CalledFunctions.erase(CalledFunctions.begin()+i-1);
+ return;
+ }
+ }
+}
+
/// replaceCallSite - Make the edge in the node for Old CallSite be for
/// New CallSite instead. Note that this method takes linear time, so it
/// should be used sparingly.