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Update comments. 

llvm-svn: 31713
This commit is contained in:
Devang Patel 2006-11-14 00:03:04 +00:00
parent dbd3d294e6
commit dafa4ddc46
1 changed files with 8 additions and 5 deletions
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13
llvm/lib/VMCore/PassManager.cpp
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@ -62,10 +62,16 @@ public:
} }
private: private:
// Analysis required by the passes managed by this manager // Analysis required by the passes managed by this manager. This information
// used while selecting pass manager during addPass. If a pass does not
// preserve any analysis required by other passes managed by current
// pass manager then new pass manager is used.
std::vector<AnalysisID> RequiredAnalysis; std::vector<AnalysisID> RequiredAnalysis;
// set of available Analysis // Set of available Analysis. This information is used while scheduling
// pass. If a pass requires an analysis which is not not available then
// equired analysis pass is scheduled to run before the pass itself is
// scheduled to run.
std::set<AnalysisID> AvailableAnalysis; std::set<AnalysisID> AvailableAnalysis;
// Collection of pass that are managed by this manager // Collection of pass that are managed by this manager
@ -510,9 +516,6 @@ void PassManagerImpl_New::schedulePass(Pass *P) {
} }
addPass(P); addPass(P);
// TODO : Walk through all managers and remove not preserved analysis
// TODO : remove dead passes
} }
/// Schedule all passes from the queue by adding them in their /// Schedule all passes from the queue by adding them in their