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Do not multiply delete graphs if functions are sharing graphs

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6997 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-06-30 04:53:08 +00:00
parent 8d32767da4
commit 3d162907e3
1 changed files with 6 additions and 4 deletions

10
lib/Analysis/DataStructure/TopDownClosure.cpp

@ -45,10 +45,12 @@ bool TDDataStructures::run(Module &M) {
// has no way to extend the lifetime of the pass, which screws up ds-aa. // has no way to extend the lifetime of the pass, which screws up ds-aa.
// //
void TDDataStructures::releaseMyMemory() { void TDDataStructures::releaseMyMemory() {
return; for (hash_map<Function*, DSGraph*>::iterator I = DSInfo.begin(),
for (hash_map<const Function*, DSGraph*>::iterator I = DSInfo.begin(), E = DSInfo.end(); I != E; ++I) {
E = DSInfo.end(); I != E; ++I) I->second->getReturnNodes().erase(I->first);
delete I->second; if (I->second->getReturnNodes().empty())
delete I->second;
}
// Empty map so next time memory is released, data structures are not // Empty map so next time memory is released, data structures are not
// re-deleted. // re-deleted.