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Pass manager may require certain analysis. In such cases, initially

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pass manager is last user.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33273 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-01-16 22:38:10 +00:00
parent 4b8c4b35e3
commit 8df87095fc
1 changed files with 2 additions and 3 deletions
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5
lib/VMCore/PassManager.cpp
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@ -600,10 +600,9 @@ void PMDataManager::add(Pass *P,
// Set P as P's last user until someone starts using P.
// However, if P is a Pass Manager then it does not need
// to record its last user.
if (!dynamic_cast<PMDataManager *>(P)) {
if (!dynamic_cast<PMDataManager *>(P))
LastUses.push_back(P);
TPM->setLastUser(LastUses, P);
}
TPM->setLastUser(LastUses, P);
// Take a note of analysis required and made available by this pass.
// Remove the analysis not preserved by this pass