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Remove trivially dead nodes was not removing nodes that were dead due to forwarding!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8634 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1228,6 +1228,20 @@ void DSGraph::removeTriviallyDeadNodes() {
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removeIdenticalCalls(FunctionCalls);
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removeIdenticalCalls(AuxFunctionCalls);
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// Loop over all of the nodes in the graph, calling getNode on each field.
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// This will cause all nodes to update their forwarding edges, causing
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// forwarded nodes to be delete-able.
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for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
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DSNode *N = Nodes[i];
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for (unsigned l = 0, e = N->getNumLinks(); l != e; ++l)
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N->getLink(l*N->getPointerSize()).getNode();
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}
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// Likewise, forward any edges from the scalar nodes...
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for (ScalarMapTy::iterator I = ScalarMap.begin(), E = ScalarMap.end();
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I != E; ++I)
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I->second.getNode();
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bool isGlobalsGraph = !GlobalsGraph;
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for (unsigned i = 0; i != Nodes.size(); ++i) {
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