[llvm-commits] [llvm] r65318 - /llvm/trunk/lib/Transforms/Scalar/IndVarSimplify.cpp

[Dan Gohman]

Author: djg
Date: Mon Feb 23 10:29:41 2009
New Revision: 65318

URL: http://llvm.org/viewvc/llvm-project?rev=65318&view=rev
Log:
IndVarSimplify preserves ScalarEvolution. In the
-std-compile-opts sequence, this avoids the need for ScalarEvolution to
be rerun before LoopDeletion.

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

Modified: llvm/trunk/lib/Transforms/Scalar/IndVarSimplify.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/IndVarSimplify.cpp?rev=65318&r1=65317&r2=65318&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/IndVarSimplify.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/IndVarSimplify.cpp Mon Feb 23 10:29:41 2009
@@ -81,6 +81,7 @@
      AU.addRequiredID(LCSSAID);
      AU.addRequiredID(LoopSimplifyID);
      AU.addRequired<LoopInfo>();
+     AU.addPreserved<ScalarEvolution>();
      AU.addPreservedID(LoopSimplifyID);
      AU.addPreservedID(LCSSAID);
      AU.setPreservesCFG();