Changes in directory llvm/lib/VMCore:
PassManager.cpp updated: 1.57 -> 1.58
---
Log message:
Reimplement removeDeadPasses().
---
Diffs of the changes: (+15 -1)
PassManager.cpp | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletion(-)
Index: llvm/lib/VMCore/PassManager.cpp
diff -u llvm/lib/VMCore/PassManager.cpp:1.57
llvm/lib/VMCore/PassManager.cpp:1.58
--- llvm/lib/VMCore/PassManager.cpp:1.57 Thu Dec 7 17:55:10 2006
+++ llvm/lib/VMCore/PassManager.cpp Thu Dec 7 18:37:52 2006
@@ -522,7 +522,21 @@
/// Remove analysis passes that are not used any longer
void PMDataManager::removeDeadPasses(Pass *P) {
- // TODO : reimplement
+
+ std::vector<Pass *> DeadPasses;
+ TPM->collectLastUses(DeadPasses, P);
+
+ for (std::vector<Pass *>::iterator I = DeadPasses.begin(),
+ E = DeadPasses.end(); I != E; ++I) {
+ (*I)->releaseMemory();
+
+ std::map<AnalysisID, Pass*>::iterator Pos =
+ AvailableAnalysis.find((*I)->getPassInfo());
+
+ // It is possible that deadPass is already removed from the
AvailableAnalysis
+ if (Pos != AvailableAnalysis.end())
+ AvailableAnalysis.erase(Pos);
+ }
}
/// Add pass P into the PassVector. Update
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