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-rw-r--r--lib/VMCore/PassManager.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index ae418a0..c07372c 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -738,9 +738,15 @@ void PMDataManager::removeNotPreservedAnalysis(Pass *P) {
std::map<AnalysisID, Pass *>::iterator Info = I++;
if (!dynamic_cast<ImmutablePass*>(Info->second) &&
std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) ==
- PreservedSet.end())
+ PreservedSet.end()) {
// Remove this analysis
+ if (PassDebugging >= Details) {
+ Pass *S = Info->second;
+ errs() << " -- '" << P->getPassName() << "' is not preserving '";
+ errs() << S->getPassName() << "'\n";
+ }
InheritedAnalysis[Index]->erase(Info);
+ }
}
}
}