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Prune function nodes that are no longer referenced due to inlining

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llvm-svn: 4036
This commit is contained in:
Chris Lattner 2002-10-03 21:55:28 +00:00
parent 8f603615d8
commit eeecc3e1b3
2 changed files with 3 additions and 2 deletions
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1
lib/Analysis/DataStructure/BottomUpClosure.cpp
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@ -253,6 +253,7 @@ DSGraph &BUDataStructures::calculateGraph(Function &F) {
Graph->maskIncompleteMarkers(); Graph->maskIncompleteMarkers();
Graph->markIncompleteNodes(); Graph->markIncompleteNodes();
Graph->removeTriviallyDeadNodes(false);
Graph->removeDeadNodes(/*KeepAllGlobals*/ true, /*KeepCalls*/ true); Graph->removeDeadNodes(/*KeepAllGlobals*/ true, /*KeepCalls*/ true);
DEBUG(std::cerr << " [BU] Done inlining: " << F.getName() << " [" DEBUG(std::cerr << " [BU] Done inlining: " << F.getName() << " ["

4
lib/Analysis/DataStructure/DataStructure.cpp
View File

@ -578,7 +578,7 @@ bool DSGraph::isNodeDead(DSNode *N) {
N->getSize() == 0 && N->getSize() == 0 &&
N->getReferrers().size() == N->getGlobals().size()) { N->getReferrers().size() == N->getGlobals().size()) {
// Remove the globals from the valuemap, so that the referrer count will go // Remove the globals from the ValueMap, so that the referrer count will go
// down to zero. // down to zero.
removeRefsToGlobal(N, ValueMap); removeRefsToGlobal(N, ValueMap);
assert(N->getReferrers().empty() && "Referrers should all be gone now!"); assert(N->getReferrers().empty() && "Referrers should all be gone now!");
@ -608,7 +608,7 @@ static void removeIdenticalCalls(vector<vector<DSNodeHandle> > &Calls,
// //
void DSGraph::removeTriviallyDeadNodes(bool KeepAllGlobals) { void DSGraph::removeTriviallyDeadNodes(bool KeepAllGlobals) {
for (unsigned i = 0; i != Nodes.size(); ++i) for (unsigned i = 0; i != Nodes.size(); ++i)
if (! KeepAllGlobals || ! (Nodes[i]->NodeType & DSNode::GlobalNode)) if (!KeepAllGlobals || !(Nodes[i]->NodeType & DSNode::GlobalNode))
if (isNodeDead(Nodes[i])) { // This node is dead! if (isNodeDead(Nodes[i])) { // This node is dead!
delete Nodes[i]; // Free memory... delete Nodes[i]; // Free memory...
Nodes.erase(Nodes.begin()+i--); // Remove from node list... Nodes.erase(Nodes.begin()+i--); // Remove from node list...