Simplify some getNode calls.

[oota-llvm.git] / lib / VMCore / PassManager.cpp

diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 8b525f67b576ca69046e47020b0df6ccae42b6a5..e1f8afe3b0ea069f77589a5e26e8ac05ab080731 100644 (file)
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -665,6 +665,12 @@ void PMDataManager::removeDeadPasses(Pass *P, const char *Msg,
 
   TPM->collectLastUses(DeadPasses, P);
 
+  if (PassDebugging >= Details && !DeadPasses.empty()) {
+    cerr << " -*- " <<  P->getPassName();
+    cerr << " is the last user of following pass instances.";
+    cerr << " Free these instances\n";
+  }
+
   for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(),
          E = DeadPasses.end(); I != E; ++I) {
 
@@ -930,7 +936,11 @@ 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