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instead of using a local RetValMap, just use the graph we are cloning into

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for the return node map.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-22 00:25:52 +00:00
parent dc0b71b3bb
commit 560af8aa97
1 changed files with 5 additions and 8 deletions
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13
lib/Analysis/DataStructure/Steensgaard.cpp
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@ -119,18 +119,14 @@ bool Steens::runOnModule(Module &M) {
ResultGraph->setGlobalsGraph(GlobalsGraph);
ResultGraph->setPrintAuxCalls();
// RetValMap - Keep track of the return values for all functions that return
// valid pointers.
//
DSGraph::ReturnNodesTy RetValMap;
// Loop over the rest of the module, merging graphs for non-external functions
// into this graph.
//
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
if (!I->isExternal()) {
DSGraph::NodeMapTy NodeMap;
ResultGraph->cloneInto(LDS.getDSGraph(*I), RetValMap, NodeMap, 0);
ResultGraph->cloneInto(LDS.getDSGraph(*I), ResultGraph->getReturnNodes(),
NodeMap, 0);
}
ResultGraph->removeTriviallyDeadNodes();
@ -161,7 +157,7 @@ bool Steens::runOnModule(Module &M) {
// If we can eliminate this function call, do so!
Function *F = CallTargets[c];
if (!F->isExternal()) {
ResolveFunctionCall(F, CurCall, RetValMap[F]);
ResolveFunctionCall(F, CurCall, ResultGraph->getReturnNodes()[F]);
CallTargets[c] = CallTargets.back();
CallTargets.pop_back();
} else
@ -174,7 +170,8 @@ bool Steens::runOnModule(Module &M) {
}
}
RetValMap.clear();
// Remove our knowledge of what the return values of the functions are.
ResultGraph->getReturnNodes().clear();
// Update the "incomplete" markers on the nodes, ignoring unknownness due to
// incoming arguments...