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Fix PR1158

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Do not insert Analysis pass, if it is already available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33915 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-02-05 19:34:17 +00:00
parent c8c6928781
commit 90f1ad7bf4
1 changed files with 5 additions and 0 deletions
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5
lib/VMCore/PassManager.cpp
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@ -377,6 +377,11 @@ void PMTopLevelManager::schedulePass(Pass *P) {
// TODO : Allocate function manager for this pass, other wise required set
// may be inserted into previous function manager
// If this Analysis is already requested by one of the previous pass
// and it is still available then do not insert new pass in the queue again.
if (findAnalysisPass(P->getPassInfo()))
return;
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet();