[llvm] r231820 - Enable loop-rotate before loop-vectorize by default

[Michael Zolotukhin]

Author: mzolotukhin
Date: Tue Mar 10 14:07:41 2015
New Revision: 231820

URL: http://llvm.org/viewvc/llvm-project?rev=231820&view=rev
Log:
Enable loop-rotate before loop-vectorize by default

Modified:
    llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp

Modified: llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp?rev=231820&r1=231819&r2=231820&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp Tue Mar 10 14:07:41 2015
@@ -311,8 +311,7 @@ void PassManagerBuilder::populateModuleP
   // Re-rotate loops in all our loop nests. These may have fallout out of
   // rotated form due to GVN or other transformations, and the vectorizer relies
   // on the rotated form.
-  if (ExtraVectorizerPasses)
-    MPM.add(createLoopRotatePass());
+  MPM.add(createLoopRotatePass());
 
   MPM.add(createLoopVectorizePass(DisableUnrollLoops, LoopVectorize));
   // FIXME: Because of #pragma vectorize enable, the passes below are always