Some initial version of global merger

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100641 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h
index b08f942..7376fcd 100644
--- a/lib/Target/ARM/ARM.h
+++ b/lib/Target/ARM/ARM.h
@@ -98,6 +98,7 @@
 
 FunctionPass *createARMLoadStoreOptimizationPass(bool PreAlloc = false);
 FunctionPass *createARMExpandPseudoPass();
+FunctionPass *createARMGlobalMergePass(const TargetLowering* tli);
 FunctionPass *createARMConstantIslandPass();
 FunctionPass *createNEONPreAllocPass();
 FunctionPass *createNEONMoveFixPass();