Start of a pass for recognizing memset and memcpy idioms.
No functionality yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122562 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/Scalar.cpp b/lib/Transforms/Scalar/Scalar.cpp
index c015093..0eaf289 100644
--- a/lib/Transforms/Scalar/Scalar.cpp
+++ b/lib/Transforms/Scalar/Scalar.cpp
@@ -44,6 +44,7 @@
   initializeLoopStrengthReducePass(Registry);
   initializeLoopUnrollPass(Registry);
   initializeLoopUnswitchPass(Registry);
+  initializeLoopIdiomRecognizePass(Registry);
   initializeLowerAtomicPass(Registry);
   initializeMemCpyOptPass(Registry);
   initializeReassociatePass(Registry);