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Rematerialize nodes from the globals graph into the current graph

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after all callees are inlined into the current graph.

NOTE: There's also a major bug fix for the BU pass in DataStructure.cpp,
which ensures that resolvable indirect calls are not moved out to the
globals graph, so that they are eventually inlined (if possible).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7189 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2003-07-16 21:42:03 +00:00
parent 03e19ddaf7
commit 1da1d32fc7
1 changed files with 9 additions and 3 deletions
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12
lib/Analysis/DataStructure/BottomUpClosure.cpp
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@ -283,11 +283,17 @@ void BUDataStructures::calculateGraph(DSGraph &Graph) {
TempFCs.clear();
// Recompute the Incomplete markers. If there are any function calls left
// now that are complete, we must loop!
// Re-materialize nodes from the globals graph.
// Do not ignore globals inlined from callees -- they are not up-to-date!
Graph.getInlinedGlobals().clear();
Graph.updateFromGlobalGraph();
// Recompute the Incomplete markers
Graph.maskIncompleteMarkers();
Graph.markIncompleteNodes(DSGraph::MarkFormalArgs);
// FIXME: materialize nodes from the globals graph as neccesary...
// Delete dead nodes. Treat globals that are unreachable but that can
// reach live nodes as live.
Graph.removeDeadNodes(DSGraph::KeepUnreachableGlobals);
//Graph.writeGraphToFile(std::cerr, "bu_" + F.getName());