[llvm-commits] [llvm] r51891 - /llvm/trunk/lib/VMCore/PassManager.cpp

[Devang Patel]

Author: dpatel
Date: Mon Jun  2 20:02:16 2008
New Revision: 51891

URL: http://llvm.org/viewvc/llvm-project?rev=51891&view=rev
Log:
Add debugging aid.

Modified:
    llvm/trunk/lib/VMCore/PassManager.cpp

Modified: llvm/trunk/lib/VMCore/PassManager.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/PassManager.cpp?rev=51891&r1=51890&r2=51891&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/PassManager.cpp (original)
+++ llvm/trunk/lib/VMCore/PassManager.cpp Mon Jun  2 20:02:16 2008
@@ -621,9 +621,15 @@
     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
       AvailableAnalysis.erase(Info);
+      if (PassDebugging >= Details) {
+        Pass *S = Info->second;
+        cerr << " -- " <<  P->getPassName() << " is not preserving ";
+        cerr << S->getPassName() << "\n";
+      }
+    }
   }
 
   // Check inherited analysis also. If P is not preserving analysis