C and Objective Caml bindings for mem2reg and reg2mem.

Patch by Erick Tryzelaar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48602 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/Scalar.cpp b/lib/Transforms/Scalar/Scalar.cpp
index 08b6bb3..838f52b 100644
--- a/lib/Transforms/Scalar/Scalar.cpp
+++ b/lib/Transforms/Scalar/Scalar.cpp
@@ -26,6 +26,14 @@
   unwrap(PM)->add(createInstructionCombiningPass());
 }
 
+void LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createPromoteMemoryToRegisterPass());
+}
+
+void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
+  unwrap(PM)->add(createDemoteRegisterToMemoryPass());
+}
+
 void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createReassociatePass());
 }