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Do not record last users of Pass Manager.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33243 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-01-15 20:31:54 +00:00
parent 1b30754ba9
commit 3f5ecd7eb5
1 changed files with 7 additions and 2 deletions
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9
lib/VMCore/PassManager.cpp
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@ -594,8 +594,13 @@ void PMDataManager::add(Pass *P,
}
}
LastUses.push_back(P);
TPM->setLastUser(LastUses, 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)) {
LastUses.push_back(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