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-rw-r--r--lib/VMCore/PassManager.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 8b525f6..b44e10d 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -930,7 +930,11 @@ void PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) {
// When Pass manager is not able to order required analysis info, Pass manager
// checks whether any lower level manager will be able to provide this
// analysis info on demand or not.
- assert (0 && "Unable to handle Pass that requires lower level Analysis pass");
+#ifndef NDEBUG
+ cerr << "Unable to schedule " << RequiredPass->getPassName();
+ cerr << " required by " << P->getPassName() << "\n";
+#endif
+ assert (0 && "Unable to schedule pass");
}
// Destructor