recommit 344472 after fixing build failure on ARM and PPC.

llvm-svn: 344475
diff --git a/llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h b/llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h
index f43a8bb..15d38ac 100644
--- a/llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h
+++ b/llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h
@@ -69,7 +69,8 @@
   /// \return value is <true, nullptr>, as it is handled by another recipe.
   /// \p Range.End may be decreased to ensure same decision from \p Range.Start
   /// to \p Range.End.
-  VPInterleaveRecipe *tryToInterleaveMemory(Instruction *I, VFRange &Range);
+  VPInterleaveRecipe *tryToInterleaveMemory(Instruction *I, VFRange &Range,
+                                            VPlanPtr &Plan);
 
   /// Check if \I is a memory instruction to be widened for \p Range.Start and
   /// potentially masked. Such instructions are handled by a recipe that takes