Add an atomic lowering pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110113 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/Scalar.h

@@ -338,6 +338,12 @@ FunctionPass *createABCDPass();
 //
 FunctionPass *createSinkingPass();
 
+//===----------------------------------------------------------------------===//
+//
+// LowerAtomic - Lower atomic intrinsics to non-atomic form
+//
+Pass *createLowerAtomicPass();
+
 } // End llvm namespace
 
 #endif