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If pass reserves all analysis info then each info is not separately 

included in PreservedSet. So check getPreservesAll() first.

llvm-svn: 32319
This commit is contained in:
Devang Patel 2006-12-07 20:03:49 +00:00
parent f9d96b934d
commit 2e169c37ea
1 changed files with 6 additions and 3 deletions
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7
llvm/lib/VMCore/PassManager.cpp
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@ -436,8 +436,11 @@ void PMDataManager::recordAvailableAnalysis(Pass *P) {
void PMDataManager::removeNotPreservedAnalysis(Pass *P) {
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet();
if (AnUsage.getPreservesAll())
return;
const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet();
for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(),
E = AvailableAnalysis.end(); I != E; ++I ) {
if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) ==
@ -470,7 +473,7 @@ void PMDataManager::removeDeadPasses(Pass *P) {
/// Add pass P into the PassVector. Update
/// AvailableAnalysis appropriately if ProcessAnalysis is true.
void PMDataManager::addPassToManager (Pass *P,
void PMDataManager::addPassToManager(Pass *P,
bool ProcessAnalysis) {
if (ProcessAnalysis) {