add createRegToMem functions to shared headers

Author: Keenuts

llvm/include/llvm/InitializePasses.h

@@ -256,6 +256,7 @@ void initializeRegAllocFastPass(PassRegistry &);
 void initializeRegAllocPriorityAdvisorAnalysisPass(PassRegistry &);
 void initializeRegAllocScoringPass(PassRegistry &);
 void initializeRegBankSelectPass(PassRegistry &);
+void initializeRegToMemWrapperPassPass(PassRegistry &);
 void initializeRegUsageInfoCollectorPass(PassRegistry &);
 void initializeRegUsageInfoPropagationPass(PassRegistry &);
 void initializeRegionInfoPassPass(PassRegistry &);

llvm/include/llvm/LinkAllPasses.h

@@ -98,6 +98,7 @@ struct ForcePassLinking {
     (void)llvm::createNaryReassociatePass();
     (void)llvm::createObjCARCContractPass();
     (void)llvm::createPromoteMemoryToRegisterPass();
+    (void)llvm::createRegToMemWrapperPass();
     (void)llvm::createPostDomOnlyPrinterWrapperPassPass();
     (void)llvm::createPostDomPrinterWrapperPassPass();
     (void)llvm::createPostDomOnlyViewerWrapperPassPass();

llvm/include/llvm/Transforms/Utils.h

@@ -81,6 +81,14 @@ extern char &LCSSAID;
 //
 FunctionPass *createPromoteMemoryToRegisterPass();
 
+//===----------------------------------------------------------------------===//
+//
+// RegToMemWrapperPass - This pass is used to demote registers to memory
+// references. In basically undoes the PromoteMemoryToRegister pass to make cfg
+// hacking easier.
+//
+FunctionPass *createRegToMemWrapperPass();
+
 //===----------------------------------------------------------------------===//
 //
 // LoopSimplify - Insert Pre-header blocks into the CFG for every function in

llvm/lib/Transforms/Scalar/Reg2Mem.cpp

@@ -136,9 +136,6 @@ class RegToMemWrapperPass : public FunctionPass {
     return N != 0 || Changed;
   }
 };
-
-FunctionPass *createRegToMemWrapperPass();
-
 } // namespace llvm
 
 INITIALIZE_PASS_BEGIN(RegToMemWrapperPass, "reg2mem", "", true, true)