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Prune function nodes that are no longer referenced due to inlining
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4036 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -253,6 +253,7 @@ DSGraph &BUDataStructures::calculateGraph(Function &F) {
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Graph->maskIncompleteMarkers();
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Graph->markIncompleteNodes();
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Graph->removeTriviallyDeadNodes(false);
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Graph->removeDeadNodes(/*KeepAllGlobals*/ true, /*KeepCalls*/ true);
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DEBUG(std::cerr << " [BU] Done inlining: " << F.getName() << " ["
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@ -578,7 +578,7 @@ bool DSGraph::isNodeDead(DSNode *N) {
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N->getSize() == 0 &&
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N->getReferrers().size() == N->getGlobals().size()) {
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// Remove the globals from the valuemap, so that the referrer count will go
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// Remove the globals from the ValueMap, so that the referrer count will go
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// down to zero.
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removeRefsToGlobal(N, ValueMap);
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assert(N->getReferrers().empty() && "Referrers should all be gone now!");
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@ -608,7 +608,7 @@ static void removeIdenticalCalls(vector<vector<DSNodeHandle> > &Calls,
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//
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void DSGraph::removeTriviallyDeadNodes(bool KeepAllGlobals) {
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for (unsigned i = 0; i != Nodes.size(); ++i)
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if (! KeepAllGlobals || ! (Nodes[i]->NodeType & DSNode::GlobalNode))
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if (!KeepAllGlobals || !(Nodes[i]->NodeType & DSNode::GlobalNode))
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if (isNodeDead(Nodes[i])) { // This node is dead!
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delete Nodes[i]; // Free memory...
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Nodes.erase(Nodes.begin()+i--); // Remove from node list...
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