[llvm] r207571 - Add slp vectorization to LTO passes

[Yi Jiang]

Author: yjiang
Date: Tue Apr 29 14:35:39 2014
New Revision: 207571

URL: http://llvm.org/viewvc/llvm-project?rev=207571&view=rev
Log:
Add slp vectorization to LTO passes

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=207571&r1=207570&r2=207571&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp Tue Apr 29 14:35:39 2014
@@ -341,6 +341,9 @@ void PassManagerBuilder::populateLTOPass
   PM.add(createLoopDeletionPass());
   PM.add(createLoopVectorizePass(true, true));
 
+  // More scalar chains could be vectorized due to more alias information
+  PM.add(createSLPVectorizerPass()); // Vectorize parallel scalar chains.
+
   // Cleanup and simplify the code after the scalar optimizations.
   PM.add(createInstructionCombiningPass());