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Fix problem breaking GAP, use hasNoReferrers more

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5530 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-10 18:18:18 +00:00
parent c40c905d63
commit 2609c07df3
1 changed files with 4 additions and 4 deletions
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8
lib/Analysis/DataStructure/DataStructure.cpp
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@ -86,7 +86,7 @@ void DSNode::foldNodeCompletely() {
(*I)->setOffset(0);
// If we have links, merge all of our outgoing links together...
for (unsigned i = 1, e = Links.size(); i < e; ++i)
for (unsigned i = 1; i < Links.size(); ++i)
Links[0].mergeWith(Links[i]);
Links.resize(1);
}
@ -903,8 +903,8 @@ void DSGraph::removeTriviallyDeadNodes() {
}
}
if ((Node->NodeType & ~DSNode::DEAD) == 0 &&
Node->getReferrers().empty()) { // This node is dead!
if ((Node->NodeType & ~DSNode::DEAD) == 0 && Node->hasNoReferrers()) {
// This node is dead!
delete Node; // Free memory...
Nodes.erase(Nodes.begin()+i--); // Remove from node list...
}
@ -1066,7 +1066,7 @@ void DSGraph::removeDeadNodes(unsigned Flags) {
assert(((N->NodeType & DSNode::GlobalNode) == 0 ||
(Flags & DSGraph::RemoveUnreachableGlobals))
&& "Killing a global?");
while (!N->getReferrers().empty()) // Rewrite referrers
while (!N->hasNoReferrers()) // Rewrite referrers
N->getReferrers().back()->setNode(0);
delete N; // Usecount is zero
}