[llvm-commits] [llvm] r40603 - /llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp

[Devang Patel]

Author: dpatel
Date: Mon Jul 30 15:22:53 2007
New Revision: 40603

URL: http://llvm.org/viewvc/llvm-project?rev=40603&view=rev
Log:
Loop Rotation pass preserves dominator tree and frontier.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp?rev=40603&r1=40602&r2=40603&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp Mon Jul 30 15:22:53 2007
@@ -62,6 +62,8 @@
       AU.addPreserved<LoopInfo>();
       AU.addRequiredID(LoopSimplifyID);
       AU.addPreservedID(LoopSimplifyID);
+      AU.addPreserved<DominatorTree>();
+      AU.addPreserved<DominanceFrontier>();
     }
 
     // Helper functions