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Teach internalize to preserve the callgraph.

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Why?  Because it was there!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56996 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2008-10-03 07:36:09 +00:00
parent dcb31e1790
commit a2582da44d
3 changed files with 26 additions and 2 deletions
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13
lib/Analysis/IPA/CallGraph.cpp
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@ -282,6 +282,19 @@ void CallGraphNode::removeAnyCallEdgeTo(CallGraphNode *Callee) {
}
}
/// 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.