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Speed Up Pass Manager.
- Check Immutableness before searching PreservedSet. - Avoid unnecessary traversal while setting Last User. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35028 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -353,6 +353,10 @@ void PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses,
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E = AnalysisPasses.end(); I != E; ++I) {
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E = AnalysisPasses.end(); I != E; ++I) {
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Pass *AP = *I;
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Pass *AP = *I;
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LastUser[AP] = P;
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LastUser[AP] = P;
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if (P == AP)
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continue;
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// If AP is the last user of other passes then make P last user of
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// If AP is the last user of other passes then make P last user of
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// such passes.
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// such passes.
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for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(),
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for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(),
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@ -546,12 +550,11 @@ bool PMDataManager::preserveHigherLevelAnalysis(Pass *P) {
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for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(),
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for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(),
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E = HigherLevelAnalysis.end(); I != E; ++I) {
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E = HigherLevelAnalysis.end(); I != E; ++I) {
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Pass *P1 = *I;
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Pass *P1 = *I;
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if (std::find(PreservedSet.begin(), PreservedSet.end(), P1->getPassInfo()) ==
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if (!dynamic_cast<ImmutablePass*>(P1)
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PreservedSet.end()) {
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&& std::find(PreservedSet.begin(), PreservedSet.end(), P1->getPassInfo()) ==
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if (!dynamic_cast<ImmutablePass*>(P1))
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PreservedSet.end())
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return false;
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return false;
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}
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}
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}
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return true;
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return true;
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}
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}
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@ -568,13 +571,12 @@ void PMDataManager::removeNotPreservedAnalysis(Pass *P) {
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for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(),
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for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(),
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E = AvailableAnalysis.end(); I != E; ) {
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E = AvailableAnalysis.end(); I != E; ) {
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std::map<AnalysisID, Pass*>::iterator Info = I++;
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std::map<AnalysisID, Pass*>::iterator Info = I++;
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if (std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
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if (!dynamic_cast<ImmutablePass*>(Info->second)
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PreservedSet.end()) {
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&& std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
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PreservedSet.end())
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// Remove this analysis
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// Remove this analysis
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if (!dynamic_cast<ImmutablePass*>(Info->second))
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AvailableAnalysis.erase(Info);
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AvailableAnalysis.erase(Info);
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}
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}
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}
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// Check inherited analysis also. If P is not preserving analysis
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// Check inherited analysis also. If P is not preserving analysis
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// provided by parent manager then remove it here.
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// provided by parent manager then remove it here.
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@ -587,14 +589,13 @@ void PMDataManager::removeNotPreservedAnalysis(Pass *P) {
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I = InheritedAnalysis[Index]->begin(),
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I = InheritedAnalysis[Index]->begin(),
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E = InheritedAnalysis[Index]->end(); I != E; ) {
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E = InheritedAnalysis[Index]->end(); I != E; ) {
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std::map<AnalysisID, Pass *>::iterator Info = I++;
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std::map<AnalysisID, Pass *>::iterator Info = I++;
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if (std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
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if (!dynamic_cast<ImmutablePass*>(Info->second)
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PreservedSet.end()) {
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&& std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
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PreservedSet.end())
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// Remove this analysis
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// Remove this analysis
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if (!dynamic_cast<ImmutablePass*>(Info->second))
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InheritedAnalysis[Index]->erase(Info);
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InheritedAnalysis[Index]->erase(Info);
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}
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}
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}
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}
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}
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}
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}
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