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Fix problem breaking GAP, use hasNoReferrers more
llvm-svn: 5530
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4528fd1e2a
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@ -86,7 +86,7 @@ void DSNode::foldNodeCompletely() {
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(*I)->setOffset(0);
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// If we have links, merge all of our outgoing links together...
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for (unsigned i = 1, e = Links.size(); i < e; ++i)
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for (unsigned i = 1; i < Links.size(); ++i)
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Links[0].mergeWith(Links[i]);
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Links.resize(1);
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}
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@ -903,8 +903,8 @@ void DSGraph::removeTriviallyDeadNodes() {
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}
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}
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if ((Node->NodeType & ~DSNode::DEAD) == 0 &&
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Node->getReferrers().empty()) { // This node is dead!
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if ((Node->NodeType & ~DSNode::DEAD) == 0 && Node->hasNoReferrers()) {
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// This node is dead!
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delete Node; // Free memory...
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Nodes.erase(Nodes.begin()+i--); // Remove from node list...
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}
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@ -1066,7 +1066,7 @@ void DSGraph::removeDeadNodes(unsigned Flags) {
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assert(((N->NodeType & DSNode::GlobalNode) == 0 ||
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(Flags & DSGraph::RemoveUnreachableGlobals))
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&& "Killing a global?");
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while (!N->getReferrers().empty()) // Rewrite referrers
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while (!N->hasNoReferrers()) // Rewrite referrers
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N->getReferrers().back()->setNode(0);
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delete N; // Usecount is zero
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}
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