[llvm] r187722 - Don't leak passes if added outside of the area determined by Started/Stopped flags.

[Benjamin Kramer]

Author: d0k
Date: Mon Aug  5 06:11:11 2013
New Revision: 187722

URL: http://llvm.org/viewvc/llvm-project?rev=187722&view=rev
Log:
Don't leak passes if added outside of the area determined by Started/Stopped flags.

Modified:
    llvm/trunk/include/llvm/CodeGen/Passes.h
    llvm/trunk/lib/CodeGen/Passes.cpp

Modified: llvm/trunk/include/llvm/CodeGen/Passes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/Passes.h?rev=187722&r1=187721&r2=187722&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/Passes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/Passes.h Mon Aug  5 06:11:11 2013
@@ -308,7 +308,8 @@ protected:
   AnalysisID addPass(AnalysisID PassID);
 
   /// Add a pass to the PassManager if that pass is supposed to be run, as
-  /// determined by the StartAfter and StopAfter options.
+  /// determined by the StartAfter and StopAfter options. Takes ownership of the
+  /// pass.
   void addPass(Pass *P);
 
   /// addMachinePasses helper to create the target-selected or overriden

Modified: llvm/trunk/lib/CodeGen/Passes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/Passes.cpp?rev=187722&r1=187721&r2=187722&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/Passes.cpp (original)
+++ llvm/trunk/lib/CodeGen/Passes.cpp Mon Aug  5 06:11:11 2013
@@ -300,6 +300,8 @@ void TargetPassConfig::addPass(Pass *P)
 
   if (Started && !Stopped)
     PM->add(P);
+  else
+    delete P;
   if (StopAfter == PassID)
     Stopped = true;
   if (StartAfter == PassID)